diff options
545 files changed, 6353 insertions, 3262 deletions
diff --git a/Documentation/arm64/memory.txt b/Documentation/arm64/memory.txt index dbbdcbba75a..4110cca96bd 100644 --- a/Documentation/arm64/memory.txt +++ b/Documentation/arm64/memory.txt @@ -27,17 +27,17 @@ Start End Size Use ----------------------------------------------------------------------- 0000000000000000 0000007fffffffff 512GB user -ffffff8000000000 ffffffbbfffcffff ~240GB vmalloc +ffffff8000000000 ffffffbbfffeffff ~240GB vmalloc -ffffffbbfffd0000 ffffffbcfffdffff 64KB [guard page] +ffffffbbffff0000 ffffffbbffffffff 64KB [guard page] -ffffffbbfffe0000 ffffffbcfffeffff 64KB PCI I/O space +ffffffbc00000000 ffffffbdffffffff 8GB vmemmap -ffffffbbffff0000 ffffffbcffffffff 64KB [guard page] +ffffffbe00000000 ffffffbffbbfffff ~8GB [guard, future vmmemap] -ffffffbc00000000 ffffffbdffffffff 8GB vmemmap +ffffffbffbe00000 ffffffbffbe0ffff 64KB PCI I/O space -ffffffbe00000000 ffffffbffbffffff ~8GB [guard, future vmmemap] +ffffffbbffff0000 ffffffbcffffffff ~2MB [guard] ffffffbffc000000 ffffffbfffffffff 64MB modules diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index c07f7b4fb88..71c4da41344 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -466,6 +466,10 @@ Note: 5.3 swappiness Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only. +Please note that unlike the global swappiness, memcg knob set to 0 +really prevents from any swapping even if there is a swap storage +available. This might lead to memcg OOM killer if there are no file +pages to reclaim. Following cgroups' swappiness can't be changed. - root cgroup (uses /proc/sys/vm/swappiness). diff --git a/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt new file mode 100644 index 00000000000..df70318a617 --- /dev/null +++ b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt @@ -0,0 +1,19 @@ +* EETI eGalax Multiple Touch Controller + +Required properties: +- compatible: must be "eeti,egalax_ts" +- reg: i2c slave address +- interrupt-parent: the phandle for the interrupt controller +- interrupts: touch controller interrupt +- wakeup-gpios: the gpio pin to be used for waking up the controller + as well as uased as irq pin + +Example: + + egalax_ts@04 { + compatible = "eeti,egalax_ts"; + reg = <0x04>; + interrupt-parent = <&gpio1>; + interrupts = <9 2>; + wakeup-gpios = <&gpio1 9 0>; + }; diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt index a1793d670cd..3844d21d6ca 100644 --- a/Documentation/filesystems/proc.txt +++ b/Documentation/filesystems/proc.txt @@ -33,7 +33,7 @@ Table of Contents 2 Modifying System Parameters 3 Per-Process Parameters - 3.1 /proc/<pid>/oom_score_adj - Adjust the oom-killer + 3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj - Adjust the oom-killer score 3.2 /proc/<pid>/oom_score - Display current oom-killer score 3.3 /proc/<pid>/io - Display the IO accounting fields @@ -1320,10 +1320,10 @@ of the kernel. CHAPTER 3: PER-PROCESS PARAMETERS ------------------------------------------------------------------------------ -3.1 /proc/<pid>/oom_score_adj- Adjust the oom-killer score +3.1 /proc/<pid>/oom_adj & /proc/<pid>/oom_score_adj- Adjust the oom-killer score -------------------------------------------------------------------------------- -This file can be used to adjust the badness heuristic used to select which +These file can be used to adjust the badness heuristic used to select which process gets killed in out of memory conditions. The badness heuristic assigns a value to each candidate task ranging from 0 @@ -1361,6 +1361,12 @@ same system, cpuset, mempolicy, or memory controller resources to use at least equivalent to discounting 50% of the task's allowed memory from being considered as scoring against the task. +For backwards compatibility with previous kernels, /proc/<pid>/oom_adj may also +be used to tune the badness score. Its acceptable values range from -16 +(OOM_ADJUST_MIN) to +15 (OOM_ADJUST_MAX) and a special value of -17 +(OOM_DISABLE) to disable oom killing entirely for that task. Its value is +scaled linearly with /proc/<pid>/oom_score_adj. + The value of /proc/<pid>/oom_score_adj may be reduced no lower than the last value set by a CAP_SYS_RESOURCE process. To reduce the value any lower requires CAP_SYS_RESOURCE. @@ -1375,7 +1381,9 @@ minimal amount of work. ------------------------------------------------------------- This file can be used to check the current score used by the oom-killer is for -any given <pid>. +any given <pid>. Use it together with /proc/<pid>/oom_score_adj to tune which +process should be killed in an out-of-memory situation. + 3.3 /proc/<pid>/io - Display the IO accounting fields ------------------------------------------------------- diff --git a/Documentation/hwmon/fam15h_power b/Documentation/hwmon/fam15h_power index a92918e0bd6..80654813d04 100644 --- a/Documentation/hwmon/fam15h_power +++ b/Documentation/hwmon/fam15h_power @@ -10,7 +10,7 @@ Supported chips: BIOS and Kernel Developer's Guide (BKDG) For AMD Family 15h Processors (not yet published) -Author: Andreas Herrmann <andreas.herrmann3@amd.com> +Author: Andreas Herrmann <herrmann.der.user@googlemail.com> Description ----------- diff --git a/Documentation/networking/netdev-features.txt b/Documentation/networking/netdev-features.txt index 4164f5c02e4..f310edec8a7 100644 --- a/Documentation/networking/netdev-features.txt +++ b/Documentation/networking/netdev-features.txt @@ -164,4 +164,4 @@ read the CRC recorded by the NIC on receipt of the packet. This requests that the NIC receive all possible frames, including errored frames (such as bad FCS, etc). This can be helpful when sniffing a link with bad packets on it. Some NICs may receive more packets if also put into normal -PROMISC mdoe. +PROMISC mode. diff --git a/MAINTAINERS b/MAINTAINERS index 1fa907441f8..bb0b27db673 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -503,7 +503,7 @@ F: include/linux/altera_uart.h F: include/linux/altera_jtaguart.h AMD FAM15H PROCESSOR POWER MONITORING DRIVER -M: Andreas Herrmann <andreas.herrmann3@amd.com> +M: Andreas Herrmann <herrmann.der.user@googlemail.com> L: lm-sensors@lm-sensors.org S: Maintained F: Documentation/hwmon/fam15h_power @@ -2507,6 +2507,7 @@ M: Joonyoung Shim <jy0922.shim@samsung.com> M: Seung-Woo Kim <sw0312.kim@samsung.com> M: Kyungmin Park <kyungmin.park@samsung.com> L: dri-devel@lists.freedesktop.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/daeinki/drm-exynos.git S: Supported F: drivers/gpu/drm/exynos F: include/drm/exynos* @@ -3597,6 +3598,49 @@ F: drivers/hid/hid-hyperv.c F: drivers/net/hyperv/ F: drivers/staging/hv/ +I2C OVER PARALLEL PORT +M: Jean Delvare <khali@linux-fr.org> +L: linux-i2c@vger.kernel.org +S: Maintained +F: Documentation/i2c/busses/i2c-parport +F: Documentation/i2c/busses/i2c-parport-light +F: drivers/i2c/busses/i2c-parport.c +F: drivers/i2c/busses/i2c-parport-light.c + +I2C/SMBUS CONTROLLER DRIVERS FOR PC +M: Jean Delvare <khali@linux-fr.org> +L: linux-i2c@vger.kernel.org +S: Maintained +F: Documentation/i2c/busses/i2c-ali1535 +F: Documentation/i2c/busses/i2c-ali1563 +F: Documentation/i2c/busses/i2c-ali15x3 +F: Documentation/i2c/busses/i2c-amd756 +F: Documentation/i2c/busses/i2c-amd8111 +F: Documentation/i2c/busses/i2c-i801 +F: Documentation/i2c/busses/i2c-nforce2 +F: Documentation/i2c/busses/i2c-piix4 +F: Documentation/i2c/busses/i2c-sis5595 +F: Documentation/i2c/busses/i2c-sis630 +F: Documentation/i2c/busses/i2c-sis96x +F: Documentation/i2c/busses/i2c-via +F: Documentation/i2c/busses/i2c-viapro +F: drivers/i2c/busses/i2c-ali1535.c +F: drivers/i2c/busses/i2c-ali1563.c +F: drivers/i2c/busses/i2c-ali15x3.c +F: drivers/i2c/busses/i2c-amd756.c +F: drivers/i2c/busses/i2c-amd756-s4882.c +F: drivers/i2c/busses/i2c-amd8111.c +F: drivers/i2c/busses/i2c-i801.c +F: drivers/i2c/busses/i2c-isch.c +F: drivers/i2c/busses/i2c-nforce2.c +F: drivers/i2c/busses/i2c-nforce2-s4985.c +F: drivers/i2c/busses/i2c-piix4.c +F: drivers/i2c/busses/i2c-sis5595.c +F: drivers/i2c/busses/i2c-sis630.c +F: drivers/i2c/busses/i2c-sis96x.c +F: drivers/i2c/busses/i2c-via.c +F: drivers/i2c/busses/i2c-viapro.c + I2C/SMBUS STUB DRIVER M: "Mark M. Hoffman" <mhoffman@lightlink.com> L: linux-i2c@vger.kernel.org @@ -3604,9 +3648,8 @@ S: Maintained F: drivers/i2c/busses/i2c-stub.c I2C SUBSYSTEM -M: "Jean Delvare (PC drivers, core)" <khali@linux-fr.org> +M: Wolfram Sang <w.sang@pengutronix.de> M: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org> -M: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de> L: linux-i2c@vger.kernel.org W: http://i2c.wiki.kernel.org/ T: quilt kernel.org/pub/linux/kernel/people/jdelvare/linux-2.6/jdelvare-i2c/ @@ -3617,6 +3660,13 @@ F: drivers/i2c/ F: include/linux/i2c.h F: include/linux/i2c-*.h +I2C-TAOS-EVM DRIVER +M: Jean Delvare <khali@linux-fr.org> +L: linux-i2c@vger.kernel.org +S: Maintained +F: Documentation/i2c/busses/i2c-taos-evm +F: drivers/i2c/busses/i2c-taos-evm.c + I2C-TINY-USB DRIVER M: Till Harbaum <till@harbaum.org> L: linux-i2c@vger.kernel.org @@ -5647,7 +5697,7 @@ S: Maintained F: drivers/pinctrl/spear/ PKTCDVD DRIVER -M: Peter Osterlund <petero2@telia.com> +M: Jiri Kosina <jkosina@suse.cz> S: Maintained F: drivers/block/pktcdvd.c F: include/linux/pktcdvd.h @@ -7209,6 +7259,14 @@ L: linux-xtensa@linux-xtensa.org S: Maintained F: arch/xtensa/ +THERMAL +M: Zhang Rui <rui.zhang@intel.com> +L: linux-pm@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux.git +S: Supported +F: drivers/thermal/ +F: include/linux/thermal.h + THINKPAD ACPI EXTRAS DRIVER M: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> L: ibm-acpi-devel@lists.sourceforge.net @@ -7886,13 +7944,6 @@ M: Roger Luethi <rl@hellgate.ch> S: Maintained F: drivers/net/ethernet/via/via-rhine.c -VIAPRO SMBUS DRIVER -M: Jean Delvare <khali@linux-fr.org> -L: linux-i2c@vger.kernel.org -S: Maintained -F: Documentation/i2c/busses/i2c-viapro -F: drivers/i2c/busses/i2c-viapro.c - VIA SD/MMC CARD CONTROLLER DRIVER M: Bruce Chang <brucechang@via.com.tw> M: Harald Welte <HaraldWelte@viatech.com> @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 7 SUBLEVEL = 0 -EXTRAVERSION = -rc3 +EXTRAVERSION = -rc6 NAME = Terrified Chipmunk # *DOCUMENTATION* diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile index f2aa09eb658..9137df539b6 100644 --- a/arch/arm/boot/Makefile +++ b/arch/arm/boot/Makefile @@ -33,7 +33,7 @@ ifeq ($(CONFIG_XIP_KERNEL),y) $(obj)/xipImage: vmlinux FORCE $(call if_changed,objcopy) - $(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))' + @$(kecho) ' Kernel: $@ is ready (physical address: $(CONFIG_XIP_PHYS_ADDR))' $(obj)/Image $(obj)/zImage: FORCE @echo 'Kernel configured for XIP (CONFIG_XIP_KERNEL=y)' @@ -48,14 +48,14 @@ $(obj)/xipImage: FORCE $(obj)/Image: vmlinux FORCE $(call if_changed,objcopy) - $(kecho) ' Kernel: $@ is ready' + @$(kecho) ' Kernel: $@ is ready' $(obj)/compressed/vmlinux: $(obj)/Image FORCE $(Q)$(MAKE) $(build)=$(obj)/compressed $@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE $(call if_changed,objcopy) - $(kecho) ' Kernel: $@ is ready' + @$(kecho) ' Kernel: $@ is ready' endif @@ -90,7 +90,7 @@ fi $(obj)/uImage: $(obj)/zImage FORCE @$(check_for_multiple_loadaddr) $(call if_changed,uimage) - $(kecho) ' Image $@ is ready' + @$(kecho) ' Image $@ is ready' $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE $(Q)$(MAKE) $(build)=$(obj)/bootp $@ @@ -98,7 +98,7 @@ $(obj)/bootp/bootp: $(obj)/zImage initrd FORCE $(obj)/bootpImage: $(obj)/bootp/bootp FORCE $(call if_changed,objcopy) - $(kecho) ' Kernel: $@ is ready' + @$(kecho) ' Kernel: $@ is ready' PHONY += initrd FORCE initrd: diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi index b1497c7d7d6..df7f2270fc9 100644 --- a/arch/arm/boot/dts/tegra30.dtsi +++ b/arch/arm/boot/dts/tegra30.dtsi @@ -73,8 +73,8 @@ pinmux: pinmux { compatible = "nvidia,tegra30-pinmux"; - reg = <0x70000868 0xd0 /* Pad control registers */ - 0x70003000 0x3e0>; /* Mux registers */ + reg = <0x70000868 0xd4 /* Pad control registers */ + 0x70003000 0x3e4>; /* Mux registers */ }; serial@70006000 { diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h index f52a93d9866..652b56086de 100644 --- a/arch/arm/include/asm/io.h +++ b/arch/arm/include/asm/io.h @@ -64,7 +64,7 @@ extern void __raw_readsl(const void __iomem *addr, void *data, int longlen); static inline void __raw_writew(u16 val, volatile void __iomem *addr) { asm volatile("strh %1, %0" - : "+Qo" (*(volatile u16 __force *)addr) + : "+Q" (*(volatile u16 __force *)addr) : "r" (val)); } @@ -72,7 +72,7 @@ static inline u16 __raw_readw(const volatile void __iomem *addr) { u16 val; asm volatile("ldrh %1, %0" - : "+Qo" (*(volatile u16 __force *)addr), + : "+Q" (*(volatile u16 __force *)addr), "=r" (val)); return val; } diff --git a/arch/arm/include/asm/sched_clock.h b/arch/arm/include/asm/sched_clock.h index 05b8e82ec9f..e3f75726343 100644 --- a/arch/arm/include/asm/sched_clock.h +++ b/arch/arm/include/asm/sched_clock.h @@ -10,7 +10,5 @@ extern void sched_clock_postinit(void); extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate); -extern void setup_sched_clock_needs_suspend(u32 (*read)(void), int bits, - unsigned long rate); #endif diff --git a/arch/arm/include/asm/vfpmacros.h b/arch/arm/include/asm/vfpmacros.h index 6a6f1e485f4..301c1db3e99 100644 --- a/arch/arm/include/asm/vfpmacros.h +++ b/arch/arm/include/asm/vfpmacros.h @@ -27,9 +27,9 @@ #if __LINUX_ARM_ARCH__ <= 6 ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] - tst \tmp, #HWCAP_VFPv3D16 - ldceql p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} - addne \base, \base, #32*4 @ step over unused register space + tst \tmp, #HWCAP_VFPD32 + ldcnel p11, cr0, [\base],#32*4 @ FLDMIAD \base!, {d16-d31} + addeq \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field @@ -51,9 +51,9 @@ #if __LINUX_ARM_ARCH__ <= 6 ldr \tmp, =elf_hwcap @ may not have MVFR regs ldr \tmp, [\tmp, #0] - tst \tmp, #HWCAP_VFPv3D16 - stceql p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} - addne \base, \base, #32*4 @ step over unused register space + tst \tmp, #HWCAP_VFPD32 + stcnel p11, cr0, [\base],#32*4 @ FSTMIAD \base!, {d16-d31} + addeq \base, \base, #32*4 @ step over unused register space #else VFPFMRX \tmp, MVFR0 @ Media and VFP Feature Register 0 and \tmp, \tmp, #MVFR0_A_SIMD_MASK @ A_SIMD field diff --git a/arch/arm/include/uapi/asm/hwcap.h b/arch/arm/include/uapi/asm/hwcap.h index f254f6503cc..3688fd15a32 100644 --- a/arch/arm/include/uapi/asm/hwcap.h +++ b/arch/arm/include/uapi/asm/hwcap.h @@ -18,11 +18,12 @@ #define HWCAP_THUMBEE (1 << 11) #define HWCAP_NEON (1 << 12) #define HWCAP_VFPv3 (1 << 13) -#define HWCAP_VFPv3D16 (1 << 14) +#define HWCAP_VFPv3D16 (1 << 14) /* also set for VFPv4-D16 */ #define HWCAP_TLS (1 << 15) #define HWCAP_VFPv4 (1 << 16) #define HWCAP_IDIVA (1 << 17) #define HWCAP_IDIVT (1 << 18) +#define HWCAP_VFPD32 (1 << 19) /* set if VFP has 32 regs (not 16) */ #define HWCAP_IDIV (HWCAP_IDIVA | HWCAP_IDIVT) diff --git a/arch/arm/kernel/sched_clock.c b/arch/arm/kernel/sched_clock.c index e21bac20d90..fc6692e2b60 100644 --- a/arch/arm/kernel/sched_clock.c +++ b/arch/arm/kernel/sched_clock.c @@ -107,13 +107,6 @@ static void sched_clock_poll(unsigned long wrap_ticks) update_sched_clock(); } -void __init setup_sched_clock_needs_suspend(u32 (*read)(void), int bits, - unsigned long rate) -{ - setup_sched_clock(read, bits, rate); - cd.needs_suspend = true; -} - void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate) { unsigned long r, w; @@ -189,18 +182,15 @@ void __init sched_clock_postinit(void) static int sched_clock_suspend(void) { sched_clock_poll(sched_clock_timer.data); - if (cd.needs_suspend) - cd.suspended = true; + cd.suspended = true; return 0; } static void sched_clock_resume(void) { - if (cd.needs_suspend) { - cd.epoch_cyc = read_sched_clock(); - cd.epoch_cyc_copy = cd.epoch_cyc; - cd.suspended = false; - } + cd.epoch_cyc = read_sched_clock(); + cd.epoch_cyc_copy = cd.epoch_cyc; + cd.suspended = false; } static struct syscore_ops sched_clock_ops = { diff --git a/arch/arm/mach-at91/at91rm9200_devices.c b/arch/arm/mach-at91/at91rm9200_devices.c index 1e122bcd784..3cee0e6ea7c 100644 --- a/arch/arm/mach-at91/at91rm9200_devices.c +++ b/arch/arm/mach-at91/at91rm9200_devices.c @@ -68,7 +68,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } diff --git a/arch/arm/mach-at91/at91sam9260_devices.c b/arch/arm/mach-at91/at91sam9260_devices.c index aa1e5872988..414bd855fb0 100644 --- a/arch/arm/mach-at91/at91sam9260_devices.c +++ b/arch/arm/mach-at91/at91sam9260_devices.c @@ -72,7 +72,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } diff --git a/arch/arm/mach-at91/at91sam9261_devices.c b/arch/arm/mach-at91/at91sam9261_devices.c index b9487696b7b..cd604aad8e9 100644 --- a/arch/arm/mach-at91/at91sam9261_devices.c +++ b/arch/arm/mach-at91/at91sam9261_devices.c @@ -72,7 +72,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } diff --git a/arch/arm/mach-at91/at91sam9263_devices.c b/arch/arm/mach-at91/at91sam9263_devices.c index cb85da2ecce..9c61e59a210 100644 --- a/arch/arm/mach-at91/at91sam9263_devices.c +++ b/arch/arm/mach-at91/at91sam9263_devices.c @@ -78,7 +78,7 @@ void __init at91_add_device_usbh(struct at91_usbh_data *data) /* Enable overcurrent notification */ for (i = 0; i < data->ports; i++) { - if (data->overcurrent_pin[i]) + if (gpio_is_valid(data->overcurrent_pin[i])) at91_set_gpio_input(data->overcurrent_pin[i], 1); } diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index b1596072dcc..fcd233cb33d 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -1841,8 +1841,8 @@ static struct resource sha_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = AT91SAM9G45_ID_AESTDESSHA, - .end = AT91SAM9G45_ID_AESTDESSHA, + .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, + .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, .flags = IORESOURCE_IRQ, }, }; @@ -1874,8 +1874,8 @@ static struct resource tdes_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = AT91SAM9G45_ID_AESTDESSHA, - .end = AT91SAM9G45_ID_AESTDESSHA, + .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, + .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, .flags = IORESOURCE_IRQ, }, }; @@ -1910,8 +1910,8 @@ static struct resource aes_resources[] = { .flags = IORESOURCE_MEM, }, [1] = { - .start = AT91SAM9G45_ID_AESTDESSHA, - .end = AT91SAM9G45_ID_AESTDESSHA, + .start = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, + .end = NR_IRQS_LEGACY + AT91SAM9G45_ID_AESTDESSHA, .flags = IORESOURCE_IRQ, }, }; diff --git a/arch/arm/mach-highbank/system.c b/arch/arm/mach-highbank/system.c index 82c27230d4a..86e37cd9376 100644 --- a/arch/arm/mach-highbank/system.c +++ b/arch/arm/mach-highbank/system.c @@ -28,6 +28,7 @@ void highbank_restart(char mode, const char *cmd) hignbank_set_pwr_soft_reset(); scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); - cpu_do_idle(); + while (1) + cpu_do_idle(); } diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c index 3c1b8ff9a0a..cc49c7ae186 100644 --- a/arch/arm/mach-imx/clk-gate2.c +++ b/arch/arm/mach-imx/clk-gate2.c @@ -112,7 +112,7 @@ struct clk *clk_register_gate2(struct device *dev, const char *name, clk = clk_register(dev, &gate->hw); if (IS_ERR(clk)) - kfree(clk); + kfree(gate); return clk; } diff --git a/arch/arm/mach-imx/ehci-imx25.c b/arch/arm/mach-imx/ehci-imx25.c index 412c583a24b..576af744695 100644 --- a/arch/arm/mach-imx/ehci-imx25.c +++ b/arch/arm/mach-imx/ehci-imx25.c @@ -30,7 +30,7 @@ #define MX25_H1_SIC_SHIFT 21 #define MX25_H1_SIC_MASK (0x3 << MX25_H1_SIC_SHIFT) #define MX25_H1_PP_BIT (1 << 18) -#define MX25_H1_PM_BIT (1 << 8) +#define MX25_H1_PM_BIT (1 << 16) #define MX25_H1_IPPUE_UP_BIT (1 << 7) #define MX25_H1_IPPUE_DOWN_BIT (1 << 6) #define MX25_H1_TLL_BIT (1 << 5) diff --git a/arch/arm/mach-imx/ehci-imx35.c b/arch/arm/mach-imx/ehci-imx35.c index 779e16eb65c..293397852e4 100644 --- a/arch/arm/mach-imx/ehci-imx35.c +++ b/arch/arm/mach-imx/ehci-imx35.c @@ -30,7 +30,7 @@ #define MX35_H1_SIC_SHIFT 21 #define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT) #define MX35_H1_PP_BIT (1 << 18) -#define MX35_H1_PM_BIT (1 << 8) +#define MX35_H1_PM_BIT (1 << 16) #define MX35_H1_IPPUE_UP_BIT (1 << 7) #define MX35_H1_IPPUE_DOWN_BIT (1 << 6) #define MX35_H1_TLL_BIT (1 << 5) diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index b56d06b4878..95192a062d5 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -359,7 +359,7 @@ static struct clockdomain iss_44xx_clkdm = { .clkdm_offs = OMAP4430_CM2_CAM_CAM_CDOFFS, .wkdep_srcs = iss_wkup_sleep_deps, .sleepdep_srcs = iss_wkup_sleep_deps, - .flags = CLKDM_CAN_HWSUP_SWSUP, + .flags = CLKDM_CAN_SWSUP, }; static struct clockdomain l3_dss_44xx_clkdm = { diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index cba60e05e32..c72b5a72772 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -19,6 +19,7 @@ #include <linux/of.h> #include <linux/pinctrl/machine.h> #include <linux/platform_data/omap4-keypad.h> +#include <linux/platform_data/omap_ocp2scp.h> #include <asm/mach-types.h> #include <asm/mach/map.h> @@ -613,6 +614,83 @@ static void omap_init_vout(void) static inline void omap_init_vout(void) {} #endif +#if defined(CONFIG_OMAP_OCP2SCP) || defined(CONFIG_OMAP_OCP2SCP_MODULE) +static int count_ocp2scp_devices(struct omap_ocp2scp_dev *ocp2scp_dev) +{ + int cnt = 0; + + while (ocp2scp_dev->drv_name != NULL) { + cnt++; + ocp2scp_dev++; + } + + return cnt; +} + +static void omap_init_ocp2scp(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + int bus_id = -1, dev_cnt = 0, i; + struct omap_ocp2scp_dev *ocp2scp_dev; + const char *oh_name, *name; + struct omap_ocp2scp_platform_data *pdata; + + if (!cpu_is_omap44xx()) + return; + + oh_name = "ocp2scp_usb_phy"; + name = "omap-ocp2scp"; + + oh = omap_hwmod_lookup(oh_name); + if (!oh) { + pr_err("%s: could not find omap_hwmod for %s\n", __func__, + oh_name); + return; + } + + pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); + if (!pdata) { + pr_err("%s: No memory for ocp2scp pdata\n", __func__); + return; + } + + ocp2scp_dev = oh->dev_attr; + dev_cnt = count_ocp2scp_devices(ocp2scp_dev); + + if (!dev_cnt) { + pr_err("%s: No devices connected to ocp2scp\n", __func__); + kfree(pdata); + return; + } + + pdata->devices = kzalloc(sizeof(struct omap_ocp2scp_dev *) + * dev_cnt, GFP_KERNEL); + if (!pdata->devices) { + pr_err("%s: No memory for ocp2scp pdata devices\n", __func__); + kfree(pdata); + return; + } + + for (i = 0; i < dev_cnt; i++, ocp2scp_dev++) + pdata->devices[i] = ocp2scp_dev; + + pdata->dev_cnt = dev_cnt; + + pdev = omap_device_build(name, bus_id, oh, pdata, sizeof(*pdata), NULL, + 0, false); + if (IS_ERR(pdev)) { + pr_err("Could not build omap_device for %s %s\n", + name, oh_name); + kfree(pdata->devices); + kfree(pdata); + return; + } +} +#else +static inline void omap_init_ocp2scp(void) { } +#endif + /*-------------------------------------------------------------------------*/ static int __init omap2_init_devices(void) @@ -640,6 +718,7 @@ static int __init omap2_init_devices(void) omap_init_sham(); omap_init_aes(); omap_init_vout(); + omap_init_ocp2scp(); return 0; } diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index b969ab1d258..87cc6d058de 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -422,6 +422,38 @@ static int _set_softreset(struct omap_hwmod *oh, u32 *v) } /** + * _wait_softreset_complete - wait for an OCP softreset to complete + * @oh: struct omap_hwmod * to wait on + * + * Wait until the IP block represented by @oh reports that its OCP + * softreset is complete. This can be triggered by software (see + * _ocp_softreset()) or by hardware upon returning from off-mode (one + * example is HSMMC). Waits for up to MAX_MODULE_SOFTRESET_WAIT + * microseconds. Returns the number of microseconds waited. + */ +static int _wait_softreset_complete(struct omap_hwmod *oh) +{ + struct omap_hwmod_class_sysconfig *sysc; + u32 softrst_mask; + int c = 0; + + sysc = oh->class->sysc; + + if (sysc->sysc_flags & SYSS_HAS_RESET_STATUS) + omap_test_timeout((omap_hwmod_read(oh, sysc->syss_offs) + & SYSS_RESETDONE_MASK), + MAX_MODULE_SOFTRESET_WAIT, c); + else if (sysc->sysc_flags & SYSC_HAS_RESET_STATUS) { + softrst_mask = (0x1 << sysc->sysc_fields->srst_shift); + omap_test_timeout(!(omap_hwmod_read(oh, sysc->sysc_offs) + & softrst_mask), + MAX_MODULE_SOFTRESET_WAIT, c); + } + + return c; +} + +/** * _set_dmadisable: set OCP_SYSCONFIG.DMADISABLE bit in @v * @oh: struct omap_hwmod * * @@ -1282,6 +1314,18 @@ static void _enable_sysc(struct omap_hwmod *oh) if (!oh->class->sysc) return; + /* + * Wait until reset has completed, this is needed as the IP + * block is reset automatically by hardware in some cases + * (off-mode for example), and the drivers require the + * IP to be ready when they access it + */ + if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET) + _enable_optional_clocks(oh); + _wait_softreset_complete(oh); + if (oh->flags & HWMOD_CONTROL_OPT_CLKS_IN_RESET) + _disable_optional_clocks(oh); + v = oh->_sysc_cache; sf = oh->class->sysc->sysc_flags; @@ -1804,7 +1848,7 @@ static int _am33xx_disable_module(struct omap_hwmod *oh) */ static int _ocp_softreset(struct omap_hwmod *oh) { - u32 v, softrst_mask; + u32 v; int c = 0; int ret = 0; @@ -1834,19 +1878,7 @@ static int _ocp_softreset(struct omap_hwmod *oh) if (oh->class->sysc->srst_udelay) udelay(oh->class->sysc->srst_udelay); - if (oh->class->sysc->sysc_flags & SYSS_HAS_RESET_STATUS) - omap_test_timeout((omap_hwmod_read(oh, - oh->class->sysc->syss_offs) - & SYSS_RESETDONE_MASK), - MAX_MODULE_SOFTRESET_WAIT, c); - else if (oh->class->sysc->sysc_flags & SYSC_HAS_RESET_STATUS) { - softrst_mask = (0x1 << oh->class->sysc->sysc_fields->srst_shift); - omap_test_timeout(!(omap_hwmod_read(oh, - oh->class->sysc->sysc_offs) - & softrst_mask), - MAX_MODULE_SOFTRESET_WAIT, c); - } - + c = _wait_softreset_complete(oh); if (c == MAX_MODULE_SOFTRESET_WAIT) pr_warning("omap_hwmod: %s: softreset failed (waited %d usec)\n", oh->name, MAX_MODULE_SOFTRESET_WAIT); @@ -2352,6 +2384,9 @@ static int __init _setup_reset(struct omap_hwmod *oh) if (oh->_state != _HWMOD_STATE_INITIALIZED) return -EINVAL; + if (oh->flags & HWMOD_EXT_OPT_MAIN_CLK) + return -EPERM; + if (oh->rst_lines_cnt == 0) { r = _enable(oh); if (r) { diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 652d0285bd6..0b1249e0039 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -21,6 +21,7 @@ #include <linux/io.h> #include <linux/platform_data/gpio-omap.h> #include <linux/power/smartreflex.h> +#include <linux/platform_data/omap_ocp2scp.h> #include <plat/omap_hwmod.h> #include <plat/i2c.h> @@ -2125,6 +2126,14 @@ static struct omap_hwmod omap44xx_mcpdm_hwmod = { .name = "mcpdm", .class = &omap44xx_mcpdm_hwmod_class, .clkdm_name = "abe_clkdm", + /* + * It's suspected that the McPDM requires an off-chip main + * functional clock, controlled via I2C. This IP block is + * currently reset very early during boot, before I2C is + * available, so it doesn't seem that we have any choice in + * the kernel other than to avoid resetting it. + */ + .flags = HWMOD_EXT_OPT_MAIN_CLK, .mpu_irqs = omap44xx_mcpdm_irqs, .sdma_reqs = omap44xx_mcpdm_sdma_reqs, .main_clk = "mcpdm_fck", @@ -2681,6 +2690,32 @@ static struct omap_hwmod_class omap44xx_ocp2scp_hwmod_class = { .sysc = &omap44xx_ocp2scp_sysc, }; +/* ocp2scp dev_attr */ +static struct resource omap44xx_usb_phy_and_pll_addrs[] = { + { + .name = "usb_phy", + .start = 0x4a0ad080, + .end = 0x4a0ae000, + .flags = IORESOURCE_MEM, + }, + { + /* XXX: Remove this once control module driver is in place */ + .name = "ctrl_dev", + .start = 0x4a002300, + .end = 0x4a002303, + .flags = IORESOURCE_MEM, + }, + { } +}; + +static struct omap_ocp2scp_dev ocp2scp_dev_attr[] = { + { + .drv_name = "omap-usb2", + .res = omap44xx_usb_phy_and_pll_addrs, + }, + { } +}; + /* ocp2scp_usb_phy */ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = { .name = "ocp2scp_usb_phy", @@ -2694,6 +2729,7 @@ static struct omap_hwmod omap44xx_ocp2scp_usb_phy_hwmod = { .modulemode = MODULEMODE_HWCTRL, }, }, + .dev_attr = ocp2scp_dev_attr, }; /* diff --git a/arch/arm/mach-omap2/twl-common.c b/arch/arm/mach-omap2/twl-common.c index 635e109f5ad..44c42057b61 100644 --- a/arch/arm/mach-omap2/twl-common.c +++ b/arch/arm/mach-omap2/twl-common.c @@ -366,7 +366,7 @@ static struct regulator_init_data omap4_clk32kg_idata = { }; static struct regulator_consumer_supply omap4_vdd1_supply[] = { - REGULATOR_SUPPLY("vcc", "mpu.0"), + REGULATOR_SUPPLY("vcc", "cpu0"), }; static struct regulator_consumer_supply omap4_vdd2_supply[] = { diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 880249b1701..75878c37959 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -264,7 +264,7 @@ static void __init omap_vc_i2c_init(struct voltagedomain *voltdm) if (initialized) { if (voltdm->pmic->i2c_high_speed != i2c_high_speed) - pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).", + pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).\n", __func__, voltdm->name, i2c_high_speed); return; } diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c index 5ecbd17b564..e2c6391863f 100644 --- a/arch/arm/mach-pxa/hx4700.c +++ b/arch/arm/mach-pxa/hx4700.c @@ -28,6 +28,7 @@ #include <linux/mfd/asic3.h> #include <linux/mtd/physmap.h> #include <linux/pda_power.h> +#include <linux/pwm.h> #include <linux/pwm_backlight.h> #include <linux/regulator/driver.h> #include <linux/regulator/gpio-regulator.h> @@ -556,7 +557,7 @@ static struct platform_device hx4700_lcd = { */ static struct platform_pwm_backlight_data backlight_data = { - .pwm_id = 1, + .pwm_id = -1, /* Superseded by pwm_lookup */ .max_brightness = 200, .dft_brightness = 100, .pwm_period_ns = 30923, @@ -571,6 +572,10 @@ static struct platform_device backlight = { }, }; +static struct pwm_lookup hx4700_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.1", 0, "pwm-backlight", NULL), +}; + /* * USB "Transceiver" */ @@ -872,6 +877,7 @@ static void __init hx4700_init(void) pxa_set_stuart_info(NULL); platform_add_devices(devices, ARRAY_SIZE(devices)); + pwm_add_table(hx4700_pwm_lookup, ARRAY_SIZE(hx4700_pwm_lookup)); pxa_set_ficp_info(&ficp_info); pxa27x_set_i2c_power_info(NULL); diff --git a/arch/arm/mach-pxa/spitz_pm.c b/arch/arm/mach-pxa/spitz_pm.c index 438f02fe122..842596d4d31 100644 --- a/arch/arm/mach-pxa/spitz_pm.c +++ b/arch/arm/mach-pxa/spitz_pm.c @@ -86,10 +86,7 @@ static void spitz_discharge1(int on) gpio_set_value(SPITZ_GPIO_LED_GREEN, on); } -static unsigned long gpio18_config[] = { - GPIO18_RDY, - GPIO18_GPIO, -}; +static unsigned long gpio18_config = GPIO18_GPIO; static void spitz_presuspend(void) { @@ -112,7 +109,7 @@ static void spitz_presuspend(void) PGSR3 &= ~SPITZ_GPIO_G3_STROBE_BIT; PGSR2 |= GPIO_bit(SPITZ_GPIO_KEY_STROBE0); - pxa2xx_mfp_config(&gpio18_config[0], 1); + pxa2xx_mfp_config(&gpio18_config, 1); gpio_request_one(18, GPIOF_OUT_INIT_HIGH, "Unknown"); gpio_free(18); @@ -131,7 +128,6 @@ static void spitz_presuspend(void) static void spitz_postsuspend(void) { - pxa2xx_mfp_config(&gpio18_config[1], 1); } static int spitz_should_wakeup(unsigned int resume_on_alarm) diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c index 023f443784e..b820edaf318 100644 --- a/arch/arm/mm/alignment.c +++ b/arch/arm/mm/alignment.c @@ -745,7 +745,7 @@ do_alignment_t32_to_handler(unsigned long *pinstr, struct pt_regs *regs, static int do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { - union offset_union offset; + union offset_union uninitialized_var(offset); unsigned long instr = 0, instrptr; int (*handler)(unsigned long addr, unsigned long instr, struct pt_regs *regs); unsigned int type; diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h index b3349f7b1a2..1db02943802 100644 --- a/arch/arm/plat-omap/include/plat/omap_hwmod.h +++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h @@ -443,6 +443,11 @@ struct omap_hwmod_omap4_prcm { * in order to complete the reset. Optional clocks will be disabled * again after the reset. * HWMOD_16BIT_REG: Module has 16bit registers + * HWMOD_EXT_OPT_MAIN_CLK: The only main functional clock source for + * this IP block comes from an off-chip source and is not always + * enabled. This prevents the hwmod code from being able to + * enable and reset the IP block early. XXX Eventually it should + * be possible to query the clock framework for this information. */ #define HWMOD_SWSUP_SIDLE (1 << 0) #define HWMOD_SWSUP_MSTANDBY (1 << 1) @@ -453,6 +458,7 @@ struct omap_hwmod_omap4_prcm { #define HWMOD_NO_IDLEST (1 << 6) #define HWMOD_CONTROL_OPT_CLKS_IN_RESET (1 << 7) #define HWMOD_16BIT_REG (1 << 8) +#define HWMOD_EXT_OPT_MAIN_CLK (1 << 9) /* * omap_hwmod._int_flags definitions diff --git a/arch/arm/tools/Makefile b/arch/arm/tools/Makefile index cd60a81163e..32d05c8219d 100644 --- a/arch/arm/tools/Makefile +++ b/arch/arm/tools/Makefile @@ -5,6 +5,6 @@ # include/generated/mach-types.h: $(src)/gen-mach-types $(src)/mach-types - $(kecho) ' Generating $@' + @$(kecho) ' Generating $@' @mkdir -p $(dir $@) $(Q)$(AWK) -f $^ > $@ || { rm -f $@; /bin/false; } diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index c834b32af27..3b44e0dd0a9 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -701,11 +701,14 @@ static int __init vfp_init(void) elf_hwcap |= HWCAP_VFPv3; /* - * Check for VFPv3 D16. CPUs in this configuration - * only have 16 x 64bit registers. + * Check for VFPv3 D16 and VFPv4 D16. CPUs in + * this configuration only have 16 x 64bit + * registers. */ if (((fmrx(MVFR0) & MVFR0_A_SIMD_MASK)) == 1) - elf_hwcap |= HWCAP_VFPv3D16; + elf_hwcap |= HWCAP_VFPv3D16; /* also v4-D16 */ + else + elf_hwcap |= HWCAP_VFPD32; } #endif /* diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 59bcb96ac36..f5760927544 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -166,3 +166,14 @@ void free_xenballooned_pages(int nr_pages, struct page **pages) *pages = NULL; } EXPORT_SYMBOL_GPL(free_xenballooned_pages); + +/* In the hypervisor.S file. */ +EXPORT_SYMBOL_GPL(HYPERVISOR_event_channel_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_grant_table_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_xen_version); +EXPORT_SYMBOL_GPL(HYPERVISOR_console_io); +EXPORT_SYMBOL_GPL(HYPERVISOR_sched_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_hvm_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_memory_op); +EXPORT_SYMBOL_GPL(HYPERVISOR_physdev_op); +EXPORT_SYMBOL_GPL(privcmd_call); diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S index 074f5ed101b..71f723984cb 100644 --- a/arch/arm/xen/hypercall.S +++ b/arch/arm/xen/hypercall.S @@ -48,20 +48,16 @@ #include <linux/linkage.h> #include <asm/assembler.h> +#include <asm/opcodes-virt.h> #include <xen/interface/xen.h> -/* HVC 0xEA1 */ -#ifdef CONFIG_THUMB2_KERNEL -#define xen_hvc .word 0xf7e08ea1 -#else -#define xen_hvc .word 0xe140ea71 -#endif +#define XEN_IMM 0xEA1 #define HYPERCALL_SIMPLE(hypercall) \ ENTRY(HYPERVISOR_##hypercall) \ mov r12, #__HYPERVISOR_##hypercall; \ - xen_hvc; \ + __HVC(XEN_IMM); \ mov pc, lr; \ ENDPROC(HYPERVISOR_##hypercall) @@ -76,7 +72,7 @@ ENTRY(HYPERVISOR_##hypercall) \ stmdb sp!, {r4} \ ldr r4, [sp, #4] \ mov r12, #__HYPERVISOR_##hypercall; \ - xen_hvc \ + __HVC(XEN_IMM); \ ldm sp!, {r4} \ mov pc, lr \ ENDPROC(HYPERVISOR_##hypercall) @@ -100,7 +96,7 @@ ENTRY(privcmd_call) mov r2, r3 ldr r3, [sp, #8] ldr r4, [sp, #4] - xen_hvc + __HVC(XEN_IMM) ldm sp!, {r4} mov pc, lr ENDPROC(privcmd_call); diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ef54a59a9e8..15ac18a56c9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1,6 +1,7 @@ config ARM64 def_bool y select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE + select ARCH_WANT_COMPAT_IPC_PARSE_VERSION select GENERIC_CLOCKEVENTS select GENERIC_HARDIRQS_NO_DEPRECATED select GENERIC_IOMAP diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index cf284649dfc..07fea290d7c 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -25,12 +25,10 @@ #include <asm/user.h> typedef unsigned long elf_greg_t; -typedef unsigned long elf_freg_t[3]; #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t)) typedef elf_greg_t elf_gregset_t[ELF_NGREG]; - -typedef struct user_fp elf_fpregset_t; +typedef struct user_fpsimd_state elf_fpregset_t; #define EM_AARCH64 183 @@ -87,7 +85,6 @@ typedef struct user_fp elf_fpregset_t; #define R_AARCH64_MOVW_PREL_G2_NC 292 #define R_AARCH64_MOVW_PREL_G3 293 - /* * These are used to set parameters in the core dumps. */ diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h index b42fab9f62a..c43b4ac1300 100644 --- a/arch/arm64/include/asm/fpsimd.h +++ b/arch/arm64/include/asm/fpsimd.h @@ -25,9 +25,8 @@ * - FPSR and FPCR * - 32 128-bit data registers * - * Note that user_fp forms a prefix of this structure, which is relied - * upon in the ptrace FP/SIMD accessors. struct user_fpsimd_state must - * form a prefix of struct fpsimd_state. + * Note that user_fpsimd forms a prefix of this structure, which is + * relied upon in the ptrace FP/SIMD accessors. */ struct fpsimd_state { union { diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index 74a2a7d304a..d2f05a60827 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -114,7 +114,7 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) * I/O port access primitives. */ #define IO_SPACE_LIMIT 0xffff -#define PCI_IOBASE ((void __iomem *)0xffffffbbfffe0000UL) +#define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_2M)) static inline u8 inb(unsigned long addr) { @@ -222,12 +222,12 @@ extern void __iomem *__ioremap(phys_addr_t phys_addr, size_t size, pgprot_t prot extern void __iounmap(volatile void __iomem *addr); #define PROT_DEFAULT (PTE_TYPE_PAGE | PTE_AF | PTE_DIRTY) -#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_XN | PTE_ATTRINDX(MT_DEVICE_nGnRE)) +#define PROT_DEVICE_nGnRE (PROT_DEFAULT | PTE_PXN | PTE_UXN | PTE_ATTRINDX(MT_DEVICE_nGnRE)) #define PROT_NORMAL_NC (PROT_DEFAULT | PTE_ATTRINDX(MT_NORMAL_NC)) -#define ioremap(addr, size) __ioremap((addr), (size), PROT_DEVICE_nGnRE) -#define ioremap_nocache(addr, size) __ioremap((addr), (size), PROT_DEVICE_nGnRE) -#define ioremap_wc(addr, size) __ioremap((addr), (size), PROT_NORMAL_NC) +#define ioremap(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE)) +#define ioremap_nocache(addr, size) __ioremap((addr), (size), __pgprot(PROT_DEVICE_nGnRE)) +#define ioremap_wc(addr, size) __ioremap((addr), (size), __pgprot(PROT_NORMAL_NC)) #define iounmap __iounmap #define ARCH_HAS_IOREMAP_WC diff --git a/arch/arm64/include/asm/pgtable-hwdef.h b/arch/arm64/include/asm/pgtable-hwdef.h index 0f3b4581d92..75fd13d289b 100644 --- a/arch/arm64/include/asm/pgtable-hwdef.h +++ b/arch/arm64/include/asm/pgtable-hwdef.h @@ -38,7 +38,8 @@ #define PMD_SECT_S (_AT(pmdval_t, 3) << 8) #define PMD_SECT_AF (_AT(pmdval_t, 1) << 10) #define PMD_SECT_NG (_AT(pmdval_t, 1) << 11) -#define PMD_SECT_XN (_AT(pmdval_t, 1) << 54) +#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 53) +#define PMD_SECT_UXN (_AT(pmdval_t, 1) << 54) /* * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers). @@ -57,7 +58,8 @@ #define PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ #define PTE_AF (_AT(pteval_t, 1) << 10) /* Access Flag */ #define PTE_NG (_AT(pteval_t, 1) << 11) /* nG */ -#define PTE_XN (_AT(pteval_t, 1) << 54) /* XN */ +#define PTE_PXN (_AT(pteval_t, 1) << 53) /* Privileged XN */ +#define PTE_UXN (_AT(pteval_t, 1) << 54) /* User XN */ /* * AttrIndx[2:0] encoding (mapping attributes defined in the MAIR* registers). diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index 8960239be72..14aba2db677 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -62,23 +62,23 @@ extern pgprot_t pgprot_default; #define _MOD_PROT(p, b) __pgprot(pgprot_val(p) | (b)) -#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_XN | PTE_RDONLY) -#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN) -#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG) -#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY) -#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_RDONLY) -#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY) -#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_RDONLY) -#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_XN | PTE_DIRTY) -#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_DIRTY) - -#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_XN | PTE_RDONLY) -#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN) -#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG) -#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY) -#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_RDONLY) -#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_XN | PTE_RDONLY) -#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_RDONLY) +#define PAGE_NONE _MOD_PROT(pgprot_default, PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define PAGE_SHARED _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) +#define PAGE_SHARED_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN) +#define PAGE_COPY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define PAGE_COPY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY) +#define PAGE_READONLY _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define PAGE_READONLY_EXEC _MOD_PROT(pgprot_default, PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY) +#define PAGE_KERNEL _MOD_PROT(pgprot_default, PTE_PXN | PTE_UXN | PTE_DIRTY) +#define PAGE_KERNEL_EXEC _MOD_PROT(pgprot_default, PTE_UXN | PTE_DIRTY) + +#define __PAGE_NONE __pgprot(_PAGE_DEFAULT | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define __PAGE_SHARED __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN) +#define __PAGE_SHARED_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN) +#define __PAGE_COPY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define __PAGE_COPY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY) +#define __PAGE_READONLY __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_UXN | PTE_RDONLY) +#define __PAGE_READONLY_EXEC __pgprot(_PAGE_DEFAULT | PTE_USER | PTE_NG | PTE_PXN | PTE_RDONLY) #endif /* __ASSEMBLY__ */ @@ -130,10 +130,10 @@ extern struct page *empty_zero_page; #define pte_young(pte) (pte_val(pte) & PTE_AF) #define pte_special(pte) (pte_val(pte) & PTE_SPECIAL) #define pte_write(pte) (!(pte_val(pte) & PTE_RDONLY)) -#define pte_exec(pte) (!(pte_val(pte) & PTE_XN)) +#define pte_exec(pte) (!(pte_val(pte) & PTE_UXN)) #define pte_present_exec_user(pte) \ - ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_XN)) == \ + ((pte_val(pte) & (PTE_VALID | PTE_USER | PTE_UXN)) == \ (PTE_VALID | PTE_USER)) #define PTE_BIT_FUNC(fn,op) \ @@ -262,7 +262,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long addr) static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) { - const pteval_t mask = PTE_USER | PTE_XN | PTE_RDONLY; + const pteval_t mask = PTE_USER | PTE_PXN | PTE_UXN | PTE_RDONLY; pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); return pte; } diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index 5d810044fed..77f696c1433 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -43,6 +43,8 @@ #else #define STACK_TOP STACK_TOP_MAX #endif /* CONFIG_COMPAT */ + +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK #endif /* __KERNEL__ */ struct debug_info { diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index 63f853f8b71..68aff2816e8 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -14,7 +14,6 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifdef CONFIG_COMPAT -#define __ARCH_WANT_COMPAT_IPC_PARSE_VERSION #define __ARCH_WANT_COMPAT_STAT64 #define __ARCH_WANT_SYS_GETHOSTNAME #define __ARCH_WANT_SYS_PAUSE diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index ecbf2d81ec5..c76c7241125 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -613,17 +613,11 @@ enum armv8_pmuv3_perf_types { ARMV8_PMUV3_PERFCTR_BUS_ACCESS = 0x19, ARMV8_PMUV3_PERFCTR_MEM_ERROR = 0x1A, ARMV8_PMUV3_PERFCTR_BUS_CYCLES = 0x1D, - - /* - * This isn't an architected event. - * We detect this event number and use the cycle counter instead. - */ - ARMV8_PMUV3_PERFCTR_CPU_CYCLES = 0xFF, }; /* PMUv3 HW events mapping. */ static const unsigned armv8_pmuv3_perf_map[PERF_COUNT_HW_MAX] = { - [PERF_COUNT_HW_CPU_CYCLES] = ARMV8_PMUV3_PERFCTR_CPU_CYCLES, + [PERF_COUNT_HW_CPU_CYCLES] = ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES, [PERF_COUNT_HW_INSTRUCTIONS] = ARMV8_PMUV3_PERFCTR_INSTR_EXECUTED, [PERF_COUNT_HW_CACHE_REFERENCES] = ARMV8_PMUV3_PERFCTR_L1_DCACHE_ACCESS, [PERF_COUNT_HW_CACHE_MISSES] = ARMV8_PMUV3_PERFCTR_L1_DCACHE_REFILL, @@ -1106,7 +1100,7 @@ static int armv8pmu_get_event_idx(struct pmu_hw_events *cpuc, unsigned long evtype = event->config_base & ARMV8_EVTYPE_EVENT; /* Always place a cycle counter into the cycle counter. */ - if (evtype == ARMV8_PMUV3_PERFCTR_CPU_CYCLES) { + if (evtype == ARMV8_PMUV3_PERFCTR_CLOCK_CYCLES) { if (test_and_set_bit(ARMV8_IDX_CYCLE_COUNTER, cpuc->used_mask)) return -EAGAIN; diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c index f22965ea1cf..e04cebdbb47 100644 --- a/arch/arm64/kernel/process.c +++ b/arch/arm64/kernel/process.c @@ -310,24 +310,6 @@ struct task_struct *__switch_to(struct task_struct *prev, } /* - * Fill in the task's elfregs structure for a core dump. - */ -int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs) -{ - elf_core_copy_regs(elfregs, task_pt_regs(t)); - return 1; -} - -/* - * fill in the fpe structure for a core dump... - */ -int dump_fpu (struct pt_regs *regs, struct user_fp *fp) -{ - return 0; -} -EXPORT_SYMBOL(dump_fpu); - -/* * Shuffle the argument into the correct register before calling the * thread function. x1 is the thread argument, x2 is the pointer to * the thread function, and x3 points to the exit function. diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index 226b6bf6e9c..538300f2273 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -211,8 +211,7 @@ asmlinkage void __cpuinit secondary_start_kernel(void) * before we continue. */ set_cpu_online(cpu, true); - while (!cpu_active(cpu)) - cpu_relax(); + complete(&cpu_running); /* * OK, it's off to the idle thread for us diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c index efbf7df05d3..4cd28931dba 100644 --- a/arch/arm64/mm/init.c +++ b/arch/arm64/mm/init.c @@ -80,7 +80,7 @@ static void __init zone_sizes_init(unsigned long min, unsigned long max) #ifdef CONFIG_ZONE_DMA32 /* 4GB maximum for 32-bit only capable devices */ max_dma32 = min(max, MAX_DMA32_PFN); - zone_size[ZONE_DMA32] = max_dma32 - min; + zone_size[ZONE_DMA32] = max(min, max_dma32) - min; #endif zone_size[ZONE_NORMAL] = max - max_dma32; diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index b7412504f08..df2eb4bd9fa 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -13,6 +13,7 @@ config FRV select GENERIC_CPU_DEVICES select ARCH_WANT_IPC_PARSE_VERSION select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE config ZONE_DMA bool diff --git a/arch/frv/boot/Makefile b/arch/frv/boot/Makefile index 6ae3254da01..636d5bbcd53 100644 --- a/arch/frv/boot/Makefile +++ b/arch/frv/boot/Makefile @@ -17,6 +17,8 @@ PARAMS_PHYS = 0x0207c000 INITRD_PHYS = 0x02180000 INITRD_VIRT = 0x02180000 +OBJCOPYFLAGS :=-O binary -R .note -R .note.gnu.build-id -R .comment + # # If you don't define ZRELADDR above, # then it defaults to ZTEXTADDR @@ -32,18 +34,18 @@ Image: $(obj)/Image targets: $(obj)/Image $(obj)/Image: vmlinux FORCE - $(OBJCOPY) -O binary -R .note -R .comment -S vmlinux $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S vmlinux $@ #$(obj)/Image: $(CONFIGURE) $(SYSTEM) -# $(OBJCOPY) -O binary -R .note -R .comment -g -S $(SYSTEM) $@ +# $(OBJCOPY) $(OBJCOPYFLAGS) -g -S $(SYSTEM) $@ bzImage: zImage zImage: $(CONFIGURE) compressed/$(LINUX) - $(OBJCOPY) -O binary -R .note -R .comment -S compressed/$(LINUX) $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S compressed/$(LINUX) $@ bootpImage: bootp/bootp - $(OBJCOPY) -O binary -R .note -R .comment -S bootp/bootp $@ + $(OBJCOPY) $(OBJCOPYFLAGS) -S bootp/bootp $@ compressed/$(LINUX): $(LINUX) dep @$(MAKE) -C compressed $(LINUX) diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h index 266a5b25a0c..2358634cacc 100644 --- a/arch/frv/include/asm/unistd.h +++ b/arch/frv/include/asm/unistd.h @@ -30,7 +30,6 @@ #define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_EXECVE -#define __ARCH_WANT_KERNEL_EXECVE /* * "Conditional" syscalls diff --git a/arch/frv/kernel/entry.S b/arch/frv/kernel/entry.S index ee0beb354e4..dfcd263c051 100644 --- a/arch/frv/kernel/entry.S +++ b/arch/frv/kernel/entry.S @@ -869,11 +869,6 @@ ret_from_kernel_thread: call schedule_tail calll.p @(gr21,gr0) or gr20,gr20,gr8 - bra sys_exit - - .globl ret_from_kernel_execve -ret_from_kernel_execve: - ori gr28,0,sp bra __syscall_exit ################################################################################################### @@ -1080,27 +1075,10 @@ __entry_return_from_kernel_interrupt: subicc gr5,#0,gr0,icc0 beq icc0,#0,__entry_return_direct -__entry_preempt_need_resched: - ldi @(gr15,#TI_FLAGS),gr4 - andicc gr4,#_TIF_NEED_RESCHED,gr0,icc0 - beq icc0,#1,__entry_return_direct - - setlos #PREEMPT_ACTIVE,gr5 - sti gr5,@(gr15,#TI_FLAGS) - - andi gr23,#~PSR_PIL,gr23 - movgs gr23,psr - - call schedule - sti gr0,@(gr15,#TI_PRE_COUNT) - - movsg psr,gr23 - ori gr23,#PSR_PIL_14,gr23 - movgs gr23,psr - bra __entry_preempt_need_resched -#else - bra __entry_return_direct + subcc gr0,gr0,gr0,icc2 /* set Z and clear C */ + call preempt_schedule_irq #endif + bra __entry_return_direct ############################################################################### diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c index e1e3aa196aa..7e33215f1d8 100644 --- a/arch/frv/kernel/process.c +++ b/arch/frv/kernel/process.c @@ -181,6 +181,9 @@ int copy_thread(unsigned long clone_flags, childregs = (struct pt_regs *) (task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE); + /* set up the userspace frame (the only place that the USP is stored) */ + *childregs = *__kernel_frame0_ptr; + p->set_child_tid = p->clear_child_tid = NULL; p->thread.frame = childregs; @@ -191,10 +194,8 @@ int copy_thread(unsigned long clone_flags, p->thread.frame0 = childregs; if (unlikely(!regs)) { - memset(childregs, 0, sizeof(struct pt_regs)); childregs->gr9 = usp; /* function */ childregs->gr8 = arg; - childregs->psr = PSR_S; p->thread.pc = (unsigned long) ret_from_kernel_thread; save_user_regs(p->thread.user); return 0; diff --git a/arch/frv/mb93090-mb00/pci-dma-nommu.c b/arch/frv/mb93090-mb00/pci-dma-nommu.c index e47857f889b..b99c2a7cc7a 100644 --- a/arch/frv/mb93090-mb00/pci-dma-nommu.c +++ b/arch/frv/mb93090-mb00/pci-dma-nommu.c @@ -11,6 +11,7 @@ #include <linux/types.h> #include <linux/slab.h> +#include <linux/export.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/pci.h> diff --git a/arch/h8300/include/asm/cache.h b/arch/h8300/include/asm/cache.h index c6350283649..05887a1d80e 100644 --- a/arch/h8300/include/asm/cache.h +++ b/arch/h8300/include/asm/cache.h @@ -2,7 +2,8 @@ #define __ARCH_H8300_CACHE_H /* bytes per L1 cache line */ -#define L1_CACHE_BYTES 4 +#define L1_CACHE_SHIFT 2 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) /* m68k-elf-gcc 2.95.2 doesn't like these */ diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c index acd5b68e887..082e383c1b6 100644 --- a/arch/ia64/mm/init.c +++ b/arch/ia64/mm/init.c @@ -637,7 +637,6 @@ mem_init (void) high_memory = __va(max_low_pfn * PAGE_SIZE); - reset_zone_present_pages(); for_each_online_pgdat(pgdat) if (pgdat->bdata->node_bootmem_map) totalram_pages += free_all_bootmem_node(pgdat); diff --git a/arch/mips/cavium-octeon/executive/cvmx-l2c.c b/arch/mips/cavium-octeon/executive/cvmx-l2c.c index d38246e33dd..9f883bf7695 100644 --- a/arch/mips/cavium-octeon/executive/cvmx-l2c.c +++ b/arch/mips/cavium-octeon/executive/cvmx-l2c.c @@ -30,6 +30,7 @@ * measurement, and debugging facilities. */ +#include <linux/irqflags.h> #include <asm/octeon/cvmx.h> #include <asm/octeon/cvmx-l2c.h> #include <asm/octeon/cvmx-spinlock.h> diff --git a/arch/mips/fw/arc/misc.c b/arch/mips/fw/arc/misc.c index 7cf80ca2c1d..f9f5307434c 100644 --- a/arch/mips/fw/arc/misc.c +++ b/arch/mips/fw/arc/misc.c @@ -11,6 +11,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> +#include <linux/irqflags.h> #include <asm/bcache.h> diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h index 82ad35ce2b4..46ac73abd5e 100644 --- a/arch/mips/include/asm/bitops.h +++ b/arch/mips/include/asm/bitops.h @@ -14,7 +14,6 @@ #endif #include <linux/compiler.h> -#include <linux/irqflags.h> #include <linux/types.h> #include <asm/barrier.h> #include <asm/byteorder.h> /* sigh ... */ @@ -44,6 +43,24 @@ #define smp_mb__before_clear_bit() smp_mb__before_llsc() #define smp_mb__after_clear_bit() smp_llsc_mb() + +/* + * These are the "slower" versions of the functions and are in bitops.c. + * These functions call raw_local_irq_{save,restore}(). + */ +void __mips_set_bit(unsigned long nr, volatile unsigned long *addr); +void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr); +void __mips_change_bit(unsigned long nr, volatile unsigned long *addr); +int __mips_test_and_set_bit(unsigned long nr, + volatile unsigned long *addr); +int __mips_test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *addr); +int __mips_test_and_clear_bit(unsigned long nr, + volatile unsigned long *addr); +int __mips_test_and_change_bit(unsigned long nr, + volatile unsigned long *addr); + + /* * set_bit - Atomically set a bit in memory * @nr: the bit to set @@ -57,7 +74,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long temp; if (kernel_uses_llsc && R10000_LLSC_WAR) { @@ -92,17 +109,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) : "=&r" (temp), "+m" (*m) : "ir" (1UL << bit)); } while (unlikely(!temp)); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - *a |= mask; - raw_local_irq_restore(flags); - } + } else + __mips_set_bit(nr, addr); } /* @@ -118,7 +126,7 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr) static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long temp; if (kernel_uses_llsc && R10000_LLSC_WAR) { @@ -153,17 +161,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) : "=&r" (temp), "+m" (*m) : "ir" (~(1UL << bit))); } while (unlikely(!temp)); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - *a &= ~mask; - raw_local_irq_restore(flags); - } + } else + __mips_clear_bit(nr, addr); } /* @@ -191,7 +190,7 @@ static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *ad */ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) { - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; if (kernel_uses_llsc && R10000_LLSC_WAR) { unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG); @@ -220,17 +219,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) : "=&r" (temp), "+m" (*m) : "ir" (1UL << bit)); } while (unlikely(!temp)); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - *a ^= mask; - raw_local_irq_restore(flags); - } + } else + __mips_change_bit(nr, addr); } /* @@ -244,7 +234,7 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr) static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) { - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long res; smp_mb__before_llsc(); @@ -281,18 +271,8 @@ static inline int test_and_set_bit(unsigned long nr, } while (unlikely(!res)); res = temp & (1UL << bit); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - res = (mask & *a); - *a |= mask; - raw_local_irq_restore(flags); - } + } else + res = __mips_test_and_set_bit(nr, addr); smp_llsc_mb(); @@ -310,7 +290,7 @@ static inline int test_and_set_bit(unsigned long nr, static inline int test_and_set_bit_lock(unsigned long nr, volatile unsigned long *addr) { - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long res; if (kernel_uses_llsc && R10000_LLSC_WAR) { @@ -345,18 +325,8 @@ static inline int test_and_set_bit_lock(unsigned long nr, } while (unlikely(!res)); res = temp & (1UL << bit); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - res = (mask & *a); - *a |= mask; - raw_local_irq_restore(flags); - } + } else + res = __mips_test_and_set_bit_lock(nr, addr); smp_llsc_mb(); @@ -373,7 +343,7 @@ static inline int test_and_set_bit_lock(unsigned long nr, static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) { - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long res; smp_mb__before_llsc(); @@ -428,18 +398,8 @@ static inline int test_and_clear_bit(unsigned long nr, } while (unlikely(!res)); res = temp & (1UL << bit); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - res = (mask & *a); - *a &= ~mask; - raw_local_irq_restore(flags); - } + } else + res = __mips_test_and_clear_bit(nr, addr); smp_llsc_mb(); @@ -457,7 +417,7 @@ static inline int test_and_clear_bit(unsigned long nr, static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) { - unsigned short bit = nr & SZLONG_MASK; + int bit = nr & SZLONG_MASK; unsigned long res; smp_mb__before_llsc(); @@ -494,18 +454,8 @@ static inline int test_and_change_bit(unsigned long nr, } while (unlikely(!res)); res = temp & (1UL << bit); - } else { - volatile unsigned long *a = addr; - unsigned long mask; - unsigned long flags; - - a += nr >> SZLONG_LOG; - mask = 1UL << bit; - raw_local_irq_save(flags); - res = (mask & *a); - *a ^= mask; - raw_local_irq_restore(flags); - } + } else + res = __mips_test_and_change_bit(nr, addr); smp_llsc_mb(); diff --git a/arch/mips/include/asm/compat.h b/arch/mips/include/asm/compat.h index 58277e0e9cd..3c5d1464b7b 100644 --- a/arch/mips/include/asm/compat.h +++ b/arch/mips/include/asm/compat.h @@ -290,7 +290,7 @@ struct compat_shmid64_ds { static inline int is_compat_task(void) { - return test_thread_flag(TIF_32BIT); + return test_thread_flag(TIF_32BIT_ADDR); } #endif /* _ASM_COMPAT_H */ diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h index 29d9c23c20c..ff2e0345e01 100644 --- a/arch/mips/include/asm/io.h +++ b/arch/mips/include/asm/io.h @@ -15,6 +15,7 @@ #include <linux/compiler.h> #include <linux/kernel.h> #include <linux/types.h> +#include <linux/irqflags.h> #include <asm/addrspace.h> #include <asm/bug.h> diff --git a/arch/mips/include/asm/irqflags.h b/arch/mips/include/asm/irqflags.h index 309cbcd6909..9f3384c789d 100644 --- a/arch/mips/include/asm/irqflags.h +++ b/arch/mips/include/asm/irqflags.h @@ -16,83 +16,13 @@ #include <linux/compiler.h> #include <asm/hazards.h> -__asm__( - " .macro arch_local_irq_enable \n" - " .set push \n" - " .set reorder \n" - " .set noat \n" -#ifdef CONFIG_MIPS_MT_SMTC - " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n" - " ori $1, 0x400 \n" - " xori $1, 0x400 \n" - " mtc0 $1, $2, 1 \n" -#elif defined(CONFIG_CPU_MIPSR2) - " ei \n" -#else - " mfc0 $1,$12 \n" - " ori $1,0x1f \n" - " xori $1,0x1e \n" - " mtc0 $1,$12 \n" -#endif - " irq_enable_hazard \n" - " .set pop \n" - " .endm"); +#if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC) -extern void smtc_ipi_replay(void); - -static inline void arch_local_irq_enable(void) -{ -#ifdef CONFIG_MIPS_MT_SMTC - /* - * SMTC kernel needs to do a software replay of queued - * IPIs, at the cost of call overhead on each local_irq_enable() - */ - smtc_ipi_replay(); -#endif - __asm__ __volatile__( - "arch_local_irq_enable" - : /* no outputs */ - : /* no inputs */ - : "memory"); -} - - -/* - * For cli() we have to insert nops to make sure that the new value - * has actually arrived in the status register before the end of this - * macro. - * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs - * no nops at all. - */ -/* - * For TX49, operating only IE bit is not enough. - * - * If mfc0 $12 follows store and the mfc0 is last instruction of a - * page and fetching the next instruction causes TLB miss, the result - * of the mfc0 might wrongly contain EXL bit. - * - * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008 - * - * Workaround: mask EXL bit of the result or place a nop before mfc0. - */ __asm__( " .macro arch_local_irq_disable\n" " .set push \n" " .set noat \n" -#ifdef CONFIG_MIPS_MT_SMTC - " mfc0 $1, $2, 1 \n" - " ori $1, 0x400 \n" - " .set noreorder \n" - " mtc0 $1, $2, 1 \n" -#elif defined(CONFIG_CPU_MIPSR2) " di \n" -#else - " mfc0 $1,$12 \n" - " ori $1,0x1f \n" - " xori $1,0x1f \n" - " .set noreorder \n" - " mtc0 $1,$12 \n" -#endif " irq_disable_hazard \n" " .set pop \n" " .endm \n"); @@ -106,46 +36,14 @@ static inline void arch_local_irq_disable(void) : "memory"); } -__asm__( - " .macro arch_local_save_flags flags \n" - " .set push \n" - " .set reorder \n" -#ifdef CONFIG_MIPS_MT_SMTC - " mfc0 \\flags, $2, 1 \n" -#else - " mfc0 \\flags, $12 \n" -#endif - " .set pop \n" - " .endm \n"); - -static inline unsigned long arch_local_save_flags(void) -{ - unsigned long flags; - asm volatile("arch_local_save_flags %0" : "=r" (flags)); - return flags; -} __asm__( " .macro arch_local_irq_save result \n" " .set push \n" " .set reorder \n" " .set noat \n" -#ifdef CONFIG_MIPS_MT_SMTC - " mfc0 \\result, $2, 1 \n" - " ori $1, \\result, 0x400 \n" - " .set noreorder \n" - " mtc0 $1, $2, 1 \n" - " andi \\result, \\result, 0x400 \n" -#elif defined(CONFIG_CPU_MIPSR2) " di \\result \n" " andi \\result, 1 \n" -#else - " mfc0 \\result, $12 \n" - " ori $1, \\result, 0x1f \n" - " xori $1, 0x1f \n" - " .set noreorder \n" - " mtc0 $1, $12 \n" -#endif " irq_disable_hazard \n" " .set pop \n" " .endm \n"); @@ -160,61 +58,37 @@ static inline unsigned long arch_local_irq_save(void) return flags; } + __asm__( " .macro arch_local_irq_restore flags \n" " .set push \n" " .set noreorder \n" " .set noat \n" -#ifdef CONFIG_MIPS_MT_SMTC - "mfc0 $1, $2, 1 \n" - "andi \\flags, 0x400 \n" - "ori $1, 0x400 \n" - "xori $1, 0x400 \n" - "or \\flags, $1 \n" - "mtc0 \\flags, $2, 1 \n" -#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU) +#if defined(CONFIG_IRQ_CPU) /* * Slow, but doesn't suffer from a relatively unlikely race * condition we're having since days 1. */ " beqz \\flags, 1f \n" - " di \n" + " di \n" " ei \n" "1: \n" -#elif defined(CONFIG_CPU_MIPSR2) +#else /* * Fast, dangerous. Life is fun, life is good. */ " mfc0 $1, $12 \n" " ins $1, \\flags, 0, 1 \n" " mtc0 $1, $12 \n" -#else - " mfc0 $1, $12 \n" - " andi \\flags, 1 \n" - " ori $1, 0x1f \n" - " xori $1, 0x1f \n" - " or \\flags, $1 \n" - " mtc0 \\flags, $12 \n" #endif " irq_disable_hazard \n" " .set pop \n" " .endm \n"); - static inline void arch_local_irq_restore(unsigned long flags) { unsigned long __tmp1; -#ifdef CONFIG_MIPS_MT_SMTC - /* - * SMTC kernel needs to do a software replay of queued - * IPIs, at the cost of branch and call overhead on each - * local_irq_restore() - */ - if (unlikely(!(flags & 0x0400))) - smtc_ipi_replay(); -#endif - __asm__ __volatile__( "arch_local_irq_restore\t%0" : "=r" (__tmp1) @@ -232,6 +106,75 @@ static inline void __arch_local_irq_restore(unsigned long flags) : "0" (flags) : "memory"); } +#else +/* Functions that require preempt_{dis,en}able() are in mips-atomic.c */ +void arch_local_irq_disable(void); +unsigned long arch_local_irq_save(void); +void arch_local_irq_restore(unsigned long flags); +void __arch_local_irq_restore(unsigned long flags); +#endif /* if defined(CONFIG_CPU_MIPSR2) && !defined(CONFIG_MIPS_MT_SMTC) */ + + +__asm__( + " .macro arch_local_irq_enable \n" + " .set push \n" + " .set reorder \n" + " .set noat \n" +#ifdef CONFIG_MIPS_MT_SMTC + " mfc0 $1, $2, 1 # SMTC - clear TCStatus.IXMT \n" + " ori $1, 0x400 \n" + " xori $1, 0x400 \n" + " mtc0 $1, $2, 1 \n" +#elif defined(CONFIG_CPU_MIPSR2) + " ei \n" +#else + " mfc0 $1,$12 \n" + " ori $1,0x1f \n" + " xori $1,0x1e \n" + " mtc0 $1,$12 \n" +#endif + " irq_enable_hazard \n" + " .set pop \n" + " .endm"); + +extern void smtc_ipi_replay(void); + +static inline void arch_local_irq_enable(void) +{ +#ifdef CONFIG_MIPS_MT_SMTC + /* + * SMTC kernel needs to do a software replay of queued + * IPIs, at the cost of call overhead on each local_irq_enable() + */ + smtc_ipi_replay(); +#endif + __asm__ __volatile__( + "arch_local_irq_enable" + : /* no outputs */ + : /* no inputs */ + : "memory"); +} + + +__asm__( + " .macro arch_local_save_flags flags \n" + " .set push \n" + " .set reorder \n" +#ifdef CONFIG_MIPS_MT_SMTC + " mfc0 \\flags, $2, 1 \n" +#else + " mfc0 \\flags, $12 \n" +#endif + " .set pop \n" + " .endm \n"); + +static inline unsigned long arch_local_save_flags(void) +{ + unsigned long flags; + asm volatile("arch_local_save_flags %0" : "=r" (flags)); + return flags; +} + static inline int arch_irqs_disabled_flags(unsigned long flags) { @@ -245,7 +188,7 @@ static inline int arch_irqs_disabled_flags(unsigned long flags) #endif } -#endif +#endif /* #ifndef __ASSEMBLY__ */ /* * Do the CPU's IRQ-state tracing from assembly code. diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h index 8debe9e9175..18806a52061 100644 --- a/arch/mips/include/asm/thread_info.h +++ b/arch/mips/include/asm/thread_info.h @@ -112,12 +112,6 @@ register struct thread_info *__current_thread_info __asm__("$28"); #define TIF_LOAD_WATCH 25 /* If set, load watch registers */ #define TIF_SYSCALL_TRACE 31 /* syscall trace active */ -#ifdef CONFIG_MIPS32_O32 -#define TIF_32BIT TIF_32BIT_REGS -#elif defined(CONFIG_MIPS32_N32) -#define TIF_32BIT _TIF_32BIT_ADDR -#endif /* CONFIG_MIPS32_O32 */ - #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1<<TIF_SIGPENDING) #define _TIF_NEED_RESCHED (1<<TIF_NEED_RESCHED) diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile index c4a82e841c7..eeddc58802e 100644 --- a/arch/mips/lib/Makefile +++ b/arch/mips/lib/Makefile @@ -2,8 +2,9 @@ # Makefile for MIPS-specific library files.. # -lib-y += csum_partial.o delay.o memcpy.o memset.o \ - strlen_user.o strncpy_user.o strnlen_user.o uncached.o +lib-y += bitops.o csum_partial.o delay.o memcpy.o memset.o \ + mips-atomic.o strlen_user.o strncpy_user.o \ + strnlen_user.o uncached.o obj-y += iomap.o obj-$(CONFIG_PCI) += iomap-pci.o diff --git a/arch/mips/lib/bitops.c b/arch/mips/lib/bitops.c new file mode 100644 index 00000000000..239a9c957b0 --- /dev/null +++ b/arch/mips/lib/bitops.c @@ -0,0 +1,179 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (c) 1994-1997, 99, 2000, 06, 07 Ralf Baechle (ralf@linux-mips.org) + * Copyright (c) 1999, 2000 Silicon Graphics, Inc. + */ +#include <linux/bitops.h> +#include <linux/irqflags.h> +#include <linux/export.h> + + +/** + * __mips_set_bit - Atomically set a bit in memory. This is called by + * set_bit() if it cannot find a faster solution. + * @nr: the bit to set + * @addr: the address to start counting from + */ +void __mips_set_bit(unsigned long nr, volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + *a |= mask; + raw_local_irq_restore(flags); +} +EXPORT_SYMBOL(__mips_set_bit); + + +/** + * __mips_clear_bit - Clears a bit in memory. This is called by clear_bit() if + * it cannot find a faster solution. + * @nr: Bit to clear + * @addr: Address to start counting from + */ +void __mips_clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + *a &= ~mask; + raw_local_irq_restore(flags); +} +EXPORT_SYMBOL(__mips_clear_bit); + + +/** + * __mips_change_bit - Toggle a bit in memory. This is called by change_bit() + * if it cannot find a faster solution. + * @nr: Bit to change + * @addr: Address to start counting from + */ +void __mips_change_bit(unsigned long nr, volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + *a ^= mask; + raw_local_irq_restore(flags); +} +EXPORT_SYMBOL(__mips_change_bit); + + +/** + * __mips_test_and_set_bit - Set a bit and return its old value. This is + * called by test_and_set_bit() if it cannot find a faster solution. + * @nr: Bit to set + * @addr: Address to count from + */ +int __mips_test_and_set_bit(unsigned long nr, + volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + unsigned long res; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + res = (mask & *a); + *a |= mask; + raw_local_irq_restore(flags); + return res; +} +EXPORT_SYMBOL(__mips_test_and_set_bit); + + +/** + * __mips_test_and_set_bit_lock - Set a bit and return its old value. This is + * called by test_and_set_bit_lock() if it cannot find a faster solution. + * @nr: Bit to set + * @addr: Address to count from + */ +int __mips_test_and_set_bit_lock(unsigned long nr, + volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + unsigned long res; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + res = (mask & *a); + *a |= mask; + raw_local_irq_restore(flags); + return res; +} +EXPORT_SYMBOL(__mips_test_and_set_bit_lock); + + +/** + * __mips_test_and_clear_bit - Clear a bit and return its old value. This is + * called by test_and_clear_bit() if it cannot find a faster solution. + * @nr: Bit to clear + * @addr: Address to count from + */ +int __mips_test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + unsigned long res; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + res = (mask & *a); + *a &= ~mask; + raw_local_irq_restore(flags); + return res; +} +EXPORT_SYMBOL(__mips_test_and_clear_bit); + + +/** + * __mips_test_and_change_bit - Change a bit and return its old value. This is + * called by test_and_change_bit() if it cannot find a faster solution. + * @nr: Bit to change + * @addr: Address to count from + */ +int __mips_test_and_change_bit(unsigned long nr, volatile unsigned long *addr) +{ + volatile unsigned long *a = addr; + unsigned bit = nr & SZLONG_MASK; + unsigned long mask; + unsigned long flags; + unsigned long res; + + a += nr >> SZLONG_LOG; + mask = 1UL << bit; + raw_local_irq_save(flags); + res = (mask & *a); + *a ^= mask; + raw_local_irq_restore(flags); + return res; +} +EXPORT_SYMBOL(__mips_test_and_change_bit); diff --git a/arch/mips/lib/mips-atomic.c b/arch/mips/lib/mips-atomic.c new file mode 100644 index 00000000000..e091430dbeb --- /dev/null +++ b/arch/mips/lib/mips-atomic.c @@ -0,0 +1,176 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1994, 95, 96, 97, 98, 99, 2003 by Ralf Baechle + * Copyright (C) 1996 by Paul M. Antoine + * Copyright (C) 1999 Silicon Graphics + * Copyright (C) 2000 MIPS Technologies, Inc. + */ +#include <asm/irqflags.h> +#include <asm/hazards.h> +#include <linux/compiler.h> +#include <linux/preempt.h> +#include <linux/export.h> + +#if !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC) + +/* + * For cli() we have to insert nops to make sure that the new value + * has actually arrived in the status register before the end of this + * macro. + * R4000/R4400 need three nops, the R4600 two nops and the R10000 needs + * no nops at all. + */ +/* + * For TX49, operating only IE bit is not enough. + * + * If mfc0 $12 follows store and the mfc0 is last instruction of a + * page and fetching the next instruction causes TLB miss, the result + * of the mfc0 might wrongly contain EXL bit. + * + * ERT-TX49H2-027, ERT-TX49H3-012, ERT-TX49HL3-006, ERT-TX49H4-008 + * + * Workaround: mask EXL bit of the result or place a nop before mfc0. + */ +__asm__( + " .macro arch_local_irq_disable\n" + " .set push \n" + " .set noat \n" +#ifdef CONFIG_MIPS_MT_SMTC + " mfc0 $1, $2, 1 \n" + " ori $1, 0x400 \n" + " .set noreorder \n" + " mtc0 $1, $2, 1 \n" +#elif defined(CONFIG_CPU_MIPSR2) + /* see irqflags.h for inline function */ +#else + " mfc0 $1,$12 \n" + " ori $1,0x1f \n" + " xori $1,0x1f \n" + " .set noreorder \n" + " mtc0 $1,$12 \n" +#endif + " irq_disable_hazard \n" + " .set pop \n" + " .endm \n"); + +void arch_local_irq_disable(void) +{ + preempt_disable(); + __asm__ __volatile__( + "arch_local_irq_disable" + : /* no outputs */ + : /* no inputs */ + : "memory"); + preempt_enable(); +} +EXPORT_SYMBOL(arch_local_irq_disable); + + +__asm__( + " .macro arch_local_irq_save result \n" + " .set push \n" + " .set reorder \n" + " .set noat \n" +#ifdef CONFIG_MIPS_MT_SMTC + " mfc0 \\result, $2, 1 \n" + " ori $1, \\result, 0x400 \n" + " .set noreorder \n" + " mtc0 $1, $2, 1 \n" + " andi \\result, \\result, 0x400 \n" +#elif defined(CONFIG_CPU_MIPSR2) + /* see irqflags.h for inline function */ +#else + " mfc0 \\result, $12 \n" + " ori $1, \\result, 0x1f \n" + " xori $1, 0x1f \n" + " .set noreorder \n" + " mtc0 $1, $12 \n" +#endif + " irq_disable_hazard \n" + " .set pop \n" + " .endm \n"); + +unsigned long arch_local_irq_save(void) +{ + unsigned long flags; + preempt_disable(); + asm volatile("arch_local_irq_save\t%0" + : "=r" (flags) + : /* no inputs */ + : "memory"); + preempt_enable(); + return flags; +} +EXPORT_SYMBOL(arch_local_irq_save); + + +__asm__( + " .macro arch_local_irq_restore flags \n" + " .set push \n" + " .set noreorder \n" + " .set noat \n" +#ifdef CONFIG_MIPS_MT_SMTC + "mfc0 $1, $2, 1 \n" + "andi \\flags, 0x400 \n" + "ori $1, 0x400 \n" + "xori $1, 0x400 \n" + "or \\flags, $1 \n" + "mtc0 \\flags, $2, 1 \n" +#elif defined(CONFIG_CPU_MIPSR2) && defined(CONFIG_IRQ_CPU) + /* see irqflags.h for inline function */ +#elif defined(CONFIG_CPU_MIPSR2) + /* see irqflags.h for inline function */ +#else + " mfc0 $1, $12 \n" + " andi \\flags, 1 \n" + " ori $1, 0x1f \n" + " xori $1, 0x1f \n" + " or \\flags, $1 \n" + " mtc0 \\flags, $12 \n" +#endif + " irq_disable_hazard \n" + " .set pop \n" + " .endm \n"); + +void arch_local_irq_restore(unsigned long flags) +{ + unsigned long __tmp1; + +#ifdef CONFIG_MIPS_MT_SMTC + /* + * SMTC kernel needs to do a software replay of queued + * IPIs, at the cost of branch and call overhead on each + * local_irq_restore() + */ + if (unlikely(!(flags & 0x0400))) + smtc_ipi_replay(); +#endif + preempt_disable(); + __asm__ __volatile__( + "arch_local_irq_restore\t%0" + : "=r" (__tmp1) + : "0" (flags) + : "memory"); + preempt_enable(); +} +EXPORT_SYMBOL(arch_local_irq_restore); + + +void __arch_local_irq_restore(unsigned long flags) +{ + unsigned long __tmp1; + + preempt_disable(); + __asm__ __volatile__( + "arch_local_irq_restore\t%0" + : "=r" (__tmp1) + : "0" (flags) + : "memory"); + preempt_enable(); +} +EXPORT_SYMBOL(__arch_local_irq_restore); + +#endif /* !defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_MIPS_MT_SMTC) */ diff --git a/arch/mips/mti-malta/malta-platform.c b/arch/mips/mti-malta/malta-platform.c index 80562b81f0f..74732177851 100644 --- a/arch/mips/mti-malta/malta-platform.c +++ b/arch/mips/mti-malta/malta-platform.c @@ -29,6 +29,7 @@ #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> #include <linux/platform_device.h> +#include <asm/mips-boards/maltaint.h> #include <mtd/mtd-abi.h> #define SMC_PORT(base, int) \ @@ -48,7 +49,7 @@ static struct plat_serial8250_port uart8250_data[] = { SMC_PORT(0x2F8, 3), { .mapbase = 0x1f000900, /* The CBUS UART */ - .irq = MIPS_CPU_IRQ_BASE + 2, + .irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB2, .uartclk = 3686400, /* Twice the usual clk! */ .iotype = UPIO_MEM32, .flags = CBUS_UART_FLAGS, diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index 5dba755a43e..d385f396dfe 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -96,6 +96,7 @@ config S390 select HAVE_MEMBLOCK_NODE_MAP select HAVE_CMPXCHG_LOCAL select HAVE_CMPXCHG_DOUBLE + select HAVE_ALIGNED_STRUCT_PAGE if SLUB select HAVE_VIRT_CPU_ACCOUNTING select VIRT_CPU_ACCOUNTING select ARCH_DISCARD_MEMBLOCK diff --git a/arch/s390/include/asm/cio.h b/arch/s390/include/asm/cio.h index 55bde603521..ad2b924167d 100644 --- a/arch/s390/include/asm/cio.h +++ b/arch/s390/include/asm/cio.h @@ -9,6 +9,8 @@ #define LPM_ANYPATH 0xff #define __MAX_CSSID 0 +#define __MAX_SUBCHANNEL 65535 +#define __MAX_SSID 3 #include <asm/scsw.h> diff --git a/arch/s390/include/asm/compat.h b/arch/s390/include/asm/compat.h index a34a9d612fc..18cd6b59265 100644 --- a/arch/s390/include/asm/compat.h +++ b/arch/s390/include/asm/compat.h @@ -20,7 +20,7 @@ #define PSW32_MASK_CC 0x00003000UL #define PSW32_MASK_PM 0x00000f00UL -#define PSW32_MASK_USER 0x00003F00UL +#define PSW32_MASK_USER 0x0000FF00UL #define PSW32_ADDR_AMODE 0x80000000UL #define PSW32_ADDR_INSN 0x7FFFFFFFUL diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index dd647c919a6..2d3b7cb2600 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -506,12 +506,15 @@ static inline int pud_bad(pud_t pud) static inline int pmd_present(pmd_t pmd) { - return (pmd_val(pmd) & _SEGMENT_ENTRY_ORIGIN) != 0UL; + unsigned long mask = _SEGMENT_ENTRY_INV | _SEGMENT_ENTRY_RO; + return (pmd_val(pmd) & mask) == _HPAGE_TYPE_NONE || + !(pmd_val(pmd) & _SEGMENT_ENTRY_INV); } static inline int pmd_none(pmd_t pmd) { - return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) != 0UL; + return (pmd_val(pmd) & _SEGMENT_ENTRY_INV) && + !(pmd_val(pmd) & _SEGMENT_ENTRY_RO); } static inline int pmd_large(pmd_t pmd) @@ -1223,6 +1226,11 @@ static inline void __pmd_idte(unsigned long address, pmd_t *pmdp) } #ifdef CONFIG_TRANSPARENT_HUGEPAGE + +#define SEGMENT_NONE __pgprot(_HPAGE_TYPE_NONE) +#define SEGMENT_RO __pgprot(_HPAGE_TYPE_RO) +#define SEGMENT_RW __pgprot(_HPAGE_TYPE_RW) + #define __HAVE_ARCH_PGTABLE_DEPOSIT extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pgtable_t pgtable); @@ -1242,16 +1250,15 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr, static inline unsigned long massage_pgprot_pmd(pgprot_t pgprot) { - unsigned long pgprot_pmd = 0; - - if (pgprot_val(pgprot) & _PAGE_INVALID) { - if (pgprot_val(pgprot) & _PAGE_SWT) - pgprot_pmd |= _HPAGE_TYPE_NONE; - pgprot_pmd |= _SEGMENT_ENTRY_INV; - } - if (pgprot_val(pgprot) & _PAGE_RO) - pgprot_pmd |= _SEGMENT_ENTRY_RO; - return pgprot_pmd; + /* + * pgprot is PAGE_NONE, PAGE_RO, or PAGE_RW (see __Pxxx / __Sxxx) + * Convert to segment table entry format. + */ + if (pgprot_val(pgprot) == pgprot_val(PAGE_NONE)) + return pgprot_val(SEGMENT_NONE); + if (pgprot_val(pgprot) == pgprot_val(PAGE_RO)) + return pgprot_val(SEGMENT_RO); + return pgprot_val(SEGMENT_RW); } static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot) @@ -1269,7 +1276,9 @@ static inline pmd_t pmd_mkhuge(pmd_t pmd) static inline pmd_t pmd_mkwrite(pmd_t pmd) { - pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO; + /* Do not clobber _HPAGE_TYPE_NONE pages! */ + if (!(pmd_val(pmd) & _SEGMENT_ENTRY_INV)) + pmd_val(pmd) &= ~_SEGMENT_ENTRY_RO; return pmd; } diff --git a/arch/s390/include/asm/topology.h b/arch/s390/include/asm/topology.h index 9ca30538376..9935cbd6a46 100644 --- a/arch/s390/include/asm/topology.h +++ b/arch/s390/include/asm/topology.h @@ -8,6 +8,9 @@ struct cpu; #ifdef CONFIG_SCHED_BOOK +extern unsigned char cpu_socket_id[NR_CPUS]; +#define topology_physical_package_id(cpu) (cpu_socket_id[cpu]) + extern unsigned char cpu_core_id[NR_CPUS]; extern cpumask_t cpu_core_map[NR_CPUS]; diff --git a/arch/s390/include/uapi/asm/ptrace.h b/arch/s390/include/uapi/asm/ptrace.h index 705588a16d7..a5ca214b34f 100644 --- a/arch/s390/include/uapi/asm/ptrace.h +++ b/arch/s390/include/uapi/asm/ptrace.h @@ -239,7 +239,7 @@ typedef struct #define PSW_MASK_EA 0x00000000UL #define PSW_MASK_BA 0x00000000UL -#define PSW_MASK_USER 0x00003F00UL +#define PSW_MASK_USER 0x0000FF00UL #define PSW_ADDR_AMODE 0x80000000UL #define PSW_ADDR_INSN 0x7FFFFFFFUL @@ -269,7 +269,7 @@ typedef struct #define PSW_MASK_EA 0x0000000100000000UL #define PSW_MASK_BA 0x0000000080000000UL -#define PSW_MASK_USER 0x00003F8180000000UL +#define PSW_MASK_USER 0x0000FF8180000000UL #define PSW_ADDR_AMODE 0x0000000000000000UL #define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index a1e8a8694bb..593fcc9253f 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -309,6 +309,10 @@ static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs) regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) | (__u64)(regs32.psw.mask & PSW32_MASK_USER) << 32 | (__u64)(regs32.psw.addr & PSW32_ADDR_AMODE); + /* Check for invalid user address space control. */ + if ((regs->psw.mask & PSW_MASK_ASC) >= (psw_kernel_bits & PSW_MASK_ASC)) + regs->psw.mask = (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); regs->psw.addr = (__u64)(regs32.psw.addr & PSW32_ADDR_INSN); for (i = 0; i < NUM_GPRS; i++) regs->gprs[i] = (__u64) regs32.gprs[i]; @@ -481,7 +485,10 @@ static int setup_frame32(int sig, struct k_sigaction *ka, /* Set up registers for signal handler */ regs->gprs[15] = (__force __u64) frame; - regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */ + /* Force 31 bit amode and default user address space control. */ + regs->psw.mask = PSW_MASK_BA | + (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); regs->psw.addr = (__force __u64) ka->sa.sa_handler; regs->gprs[2] = map_signal(sig); @@ -549,7 +556,10 @@ static int setup_rt_frame32(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up registers for signal handler */ regs->gprs[15] = (__force __u64) frame; - regs->psw.mask |= PSW_MASK_BA; /* force amode 31 */ + /* Force 31 bit amode and default user address space control. */ + regs->psw.mask = PSW_MASK_BA | + (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); regs->psw.addr = (__u64) ka->sa.sa_handler; regs->gprs[2] = map_signal(sig); diff --git a/arch/s390/kernel/sclp.S b/arch/s390/kernel/sclp.S index bf053898630..b6506ee32a3 100644 --- a/arch/s390/kernel/sclp.S +++ b/arch/s390/kernel/sclp.S @@ -44,6 +44,12 @@ _sclp_wait_int: #endif mvc .LoldpswS1-.LbaseS1(16,%r13),0(%r8) mvc 0(16,%r8),0(%r9) +#ifdef CONFIG_64BIT + epsw %r6,%r7 # set current addressing mode + nill %r6,0x1 # in new psw (31 or 64 bit mode) + nilh %r7,0x8000 + stm %r6,%r7,0(%r8) +#endif lhi %r6,0x0200 # cr mask for ext int (cr0.54) ltr %r2,%r2 jz .LsetctS1 @@ -87,7 +93,7 @@ _sclp_wait_int: .long 0x00080000, 0x80000000+.LwaitS1 # PSW to handle ext int #ifdef CONFIG_64BIT .LextpswS1_64: - .quad 0x0000000180000000, .LwaitS1 # PSW to handle ext int, 64 bit + .quad 0, .LwaitS1 # PSW to handle ext int, 64 bit #endif .LwaitpswS1: .long 0x010a0000, 0x00000000+.LloopS1 # PSW to wait for ext int diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index c13a2a37ef0..d1259d87507 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -136,6 +136,10 @@ static int restore_sigregs(struct pt_regs *regs, _sigregs __user *sregs) /* Use regs->psw.mask instead of psw_user_bits to preserve PER bit. */ regs->psw.mask = (regs->psw.mask & ~PSW_MASK_USER) | (user_sregs.regs.psw.mask & PSW_MASK_USER); + /* Check for invalid user address space control. */ + if ((regs->psw.mask & PSW_MASK_ASC) >= (psw_kernel_bits & PSW_MASK_ASC)) + regs->psw.mask = (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); /* Check for invalid amode */ if (regs->psw.mask & PSW_MASK_EA) regs->psw.mask |= PSW_MASK_BA; @@ -273,7 +277,10 @@ static int setup_frame(int sig, struct k_sigaction *ka, /* Set up registers for signal handler */ regs->gprs[15] = (unsigned long) frame; - regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */ + /* Force default amode and default user address space control. */ + regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA | + (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE; regs->gprs[2] = map_signal(sig); @@ -346,7 +353,10 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info, /* Set up registers for signal handler */ regs->gprs[15] = (unsigned long) frame; - regs->psw.mask |= PSW_MASK_EA | PSW_MASK_BA; /* 64 bit amode */ + /* Force default amode and default user address space control. */ + regs->psw.mask = PSW_MASK_EA | PSW_MASK_BA | + (psw_user_bits & PSW_MASK_ASC) | + (regs->psw.mask & ~PSW_MASK_ASC); regs->psw.addr = (unsigned long) ka->sa.sa_handler | PSW_ADDR_AMODE; regs->gprs[2] = map_signal(sig); diff --git a/arch/s390/kernel/topology.c b/arch/s390/kernel/topology.c index 54d93f4b681..dd55f7c2010 100644 --- a/arch/s390/kernel/topology.c +++ b/arch/s390/kernel/topology.c @@ -40,6 +40,7 @@ static DEFINE_SPINLOCK(topology_lock); static struct mask_info core_info; cpumask_t cpu_core_map[NR_CPUS]; unsigned char cpu_core_id[NR_CPUS]; +unsigned char cpu_socket_id[NR_CPUS]; static struct mask_info book_info; cpumask_t cpu_book_map[NR_CPUS]; @@ -83,11 +84,12 @@ static struct mask_info *add_cpus_to_mask(struct topology_cpu *tl_cpu, cpumask_set_cpu(lcpu, &book->mask); cpu_book_id[lcpu] = book->id; cpumask_set_cpu(lcpu, &core->mask); + cpu_core_id[lcpu] = rcpu; if (one_core_per_cpu) { - cpu_core_id[lcpu] = rcpu; + cpu_socket_id[lcpu] = rcpu; core = core->next; } else { - cpu_core_id[lcpu] = core->id; + cpu_socket_id[lcpu] = core->id; } smp_cpu_set_polarization(lcpu, tl_cpu->pp); } diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 2d37bb861fa..9017a63dda3 100644 --- a/arch/s390/lib/uaccess_pt.c +++ b/arch/s390/lib/uaccess_pt.c @@ -39,7 +39,7 @@ static __always_inline unsigned long follow_table(struct mm_struct *mm, pmd = pmd_offset(pud, addr); if (pmd_none(*pmd)) return -0x10UL; - if (pmd_huge(*pmd)) { + if (pmd_large(*pmd)) { if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO)) return -0x04UL; return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK); diff --git a/arch/s390/mm/gup.c b/arch/s390/mm/gup.c index 60acb93a468..1f5315d1215 100644 --- a/arch/s390/mm/gup.c +++ b/arch/s390/mm/gup.c @@ -126,7 +126,7 @@ static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr, */ if (pmd_none(pmd) || pmd_trans_splitting(pmd)) return 0; - if (unlikely(pmd_huge(pmd))) { + if (unlikely(pmd_large(pmd))) { if (!gup_huge_pmd(pmdp, pmd, addr, next, write, pages, nr)) return 0; @@ -180,8 +180,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, addr = start; len = (unsigned long) nr_pages << PAGE_SHIFT; end = start + len; - if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) + if ((end < start) || (end > TASK_SIZE)) return 0; local_irq_save(flags); @@ -229,7 +228,7 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, addr = start; len = (unsigned long) nr_pages << PAGE_SHIFT; end = start + len; - if (end < start) + if ((end < start) || (end > TASK_SIZE)) goto slow_irqon; /* diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index b6b442b0d79..9f2edb5c555 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -20,6 +20,7 @@ config SPARC select HAVE_ARCH_TRACEHOOK select SYSCTL_EXCEPTION_TRACE select ARCH_WANT_OPTIONAL_GPIOLIB + select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE select RTC_CLASS select RTC_DRV_M48T59 select HAVE_IRQ_WORK diff --git a/arch/sparc/crypto/Makefile b/arch/sparc/crypto/Makefile index 6ae1ad5e502..5d469d81761 100644 --- a/arch/sparc/crypto/Makefile +++ b/arch/sparc/crypto/Makefile @@ -13,13 +13,13 @@ obj-$(CONFIG_CRYPTO_DES_SPARC64) += camellia-sparc64.o obj-$(CONFIG_CRYPTO_CRC32C_SPARC64) += crc32c-sparc64.o -sha1-sparc64-y := sha1_asm.o sha1_glue.o crop_devid.o -sha256-sparc64-y := sha256_asm.o sha256_glue.o crop_devid.o -sha512-sparc64-y := sha512_asm.o sha512_glue.o crop_devid.o -md5-sparc64-y := md5_asm.o md5_glue.o crop_devid.o +sha1-sparc64-y := sha1_asm.o sha1_glue.o +sha256-sparc64-y := sha256_asm.o sha256_glue.o +sha512-sparc64-y := sha512_asm.o sha512_glue.o +md5-sparc64-y := md5_asm.o md5_glue.o -aes-sparc64-y := aes_asm.o aes_glue.o crop_devid.o -des-sparc64-y := des_asm.o des_glue.o crop_devid.o -camellia-sparc64-y := camellia_asm.o camellia_glue.o crop_devid.o +aes-sparc64-y := aes_asm.o aes_glue.o +des-sparc64-y := des_asm.o des_glue.o +camellia-sparc64-y := camellia_asm.o camellia_glue.o -crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o crop_devid.o +crc32c-sparc64-y := crc32c_asm.o crc32c_glue.o diff --git a/arch/sparc/crypto/aes_glue.c b/arch/sparc/crypto/aes_glue.c index 8f1c9980f63..3965d1d36df 100644 --- a/arch/sparc/crypto/aes_glue.c +++ b/arch/sparc/crypto/aes_glue.c @@ -475,3 +475,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("AES Secure Hash Algorithm, sparc64 aes opcode accelerated"); MODULE_ALIAS("aes"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/camellia_glue.c b/arch/sparc/crypto/camellia_glue.c index 42905c08429..62c89af3fd3 100644 --- a/arch/sparc/crypto/camellia_glue.c +++ b/arch/sparc/crypto/camellia_glue.c @@ -320,3 +320,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("Camellia Cipher Algorithm, sparc64 camellia opcode accelerated"); MODULE_ALIAS("aes"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/crc32c_glue.c b/arch/sparc/crypto/crc32c_glue.c index 0bd89cea8d8..5162fad912c 100644 --- a/arch/sparc/crypto/crc32c_glue.c +++ b/arch/sparc/crypto/crc32c_glue.c @@ -177,3 +177,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("CRC32c (Castagnoli), sparc64 crc32c opcode accelerated"); MODULE_ALIAS("crc32c"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/des_glue.c b/arch/sparc/crypto/des_glue.c index c4940c2d307..41524cebcc4 100644 --- a/arch/sparc/crypto/des_glue.c +++ b/arch/sparc/crypto/des_glue.c @@ -527,3 +527,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("DES & Triple DES EDE Cipher Algorithms, sparc64 des opcode accelerated"); MODULE_ALIAS("des"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/md5_glue.c b/arch/sparc/crypto/md5_glue.c index 603d723038c..09a9ea1dfb6 100644 --- a/arch/sparc/crypto/md5_glue.c +++ b/arch/sparc/crypto/md5_glue.c @@ -186,3 +186,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("MD5 Secure Hash Algorithm, sparc64 md5 opcode accelerated"); MODULE_ALIAS("md5"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/sha1_glue.c b/arch/sparc/crypto/sha1_glue.c index 2bbb20bee9f..6cd5f29e1e0 100644 --- a/arch/sparc/crypto/sha1_glue.c +++ b/arch/sparc/crypto/sha1_glue.c @@ -181,3 +181,5 @@ MODULE_LICENSE("GPL"); MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, sparc64 sha1 opcode accelerated"); MODULE_ALIAS("sha1"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/sha256_glue.c b/arch/sparc/crypto/sha256_glue.c index 591e656bd89..04f555ab268 100644 --- a/arch/sparc/crypto/sha256_glue.c +++ b/arch/sparc/crypto/sha256_glue.c @@ -239,3 +239,5 @@ MODULE_DESCRIPTION("SHA-224 and SHA-256 Secure Hash Algorithm, sparc64 sha256 op MODULE_ALIAS("sha224"); MODULE_ALIAS("sha256"); + +#include "crop_devid.c" diff --git a/arch/sparc/crypto/sha512_glue.c b/arch/sparc/crypto/sha512_glue.c index 486f0a2b700..f04d1994d19 100644 --- a/arch/sparc/crypto/sha512_glue.c +++ b/arch/sparc/crypto/sha512_glue.c @@ -224,3 +224,5 @@ MODULE_DESCRIPTION("SHA-384 and SHA-512 Secure Hash Algorithm, sparc64 sha512 op MODULE_ALIAS("sha384"); MODULE_ALIAS("sha512"); + +#include "crop_devid.c" diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index ce35a1cf1a2..be56a244c9c 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -1,7 +1,7 @@ /* atomic.h: Thankfully the V9 is at least reasonable for this * stuff. * - * Copyright (C) 1996, 1997, 2000 David S. Miller (davem@redhat.com) + * Copyright (C) 1996, 1997, 2000, 2012 David S. Miller (davem@redhat.com) */ #ifndef __ARCH_SPARC64_ATOMIC__ @@ -106,6 +106,8 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u) #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) +extern long atomic64_dec_if_positive(atomic64_t *v); + /* Atomic operations are already serializing */ #define smp_mb__before_atomic_dec() barrier() #define smp_mb__after_atomic_dec() barrier() diff --git a/arch/sparc/include/asm/backoff.h b/arch/sparc/include/asm/backoff.h index db3af0d30fb..4e02086b839 100644 --- a/arch/sparc/include/asm/backoff.h +++ b/arch/sparc/include/asm/backoff.h @@ -1,6 +1,46 @@ #ifndef _SPARC64_BACKOFF_H #define _SPARC64_BACKOFF_H +/* The macros in this file implement an exponential backoff facility + * for atomic operations. + * + * When multiple threads compete on an atomic operation, it is + * possible for one thread to be continually denied a successful + * completion of the compare-and-swap instruction. Heavily + * threaded cpu implementations like Niagara can compound this + * problem even further. + * + * When an atomic operation fails and needs to be retried, we spin a + * certain number of times. At each subsequent failure of the same + * operation we double the spin count, realizing an exponential + * backoff. + * + * When we spin, we try to use an operation that will cause the + * current cpu strand to block, and therefore make the core fully + * available to any other other runnable strands. There are two + * options, based upon cpu capabilities. + * + * On all cpus prior to SPARC-T4 we do three dummy reads of the + * condition code register. Each read blocks the strand for something + * between 40 and 50 cpu cycles. + * + * For SPARC-T4 and later we have a special "pause" instruction + * available. This is implemented using writes to register %asr27. + * The cpu will block the number of cycles written into the register, + * unless a disrupting trap happens first. SPARC-T4 specifically + * implements pause with a granularity of 8 cycles. Each strand has + * an internal pause counter which decrements every 8 cycles. So the + * chip shifts the %asr27 value down by 3 bits, and writes the result + * into the pause counter. If a value smaller than 8 is written, the + * chip blocks for 1 cycle. + * + * To achieve the same amount of backoff as the three %ccr reads give + * on earlier chips, we shift the backoff value up by 7 bits. (Three + * %ccr reads block for about 128 cycles, 1 << 7 == 128) We write the + * whole amount we want to block into the pause register, rather than + * loop writing 128 each time. + */ + #define BACKOFF_LIMIT (4 * 1024) #ifdef CONFIG_SMP @@ -11,16 +51,25 @@ #define BACKOFF_LABEL(spin_label, continue_label) \ spin_label -#define BACKOFF_SPIN(reg, tmp, label) \ - mov reg, tmp; \ -88: brnz,pt tmp, 88b; \ - sub tmp, 1, tmp; \ - set BACKOFF_LIMIT, tmp; \ - cmp reg, tmp; \ - bg,pn %xcc, label; \ - nop; \ - ba,pt %xcc, label; \ - sllx reg, 1, reg; +#define BACKOFF_SPIN(reg, tmp, label) \ + mov reg, tmp; \ +88: rd %ccr, %g0; \ + rd %ccr, %g0; \ + rd %ccr, %g0; \ + .section .pause_3insn_patch,"ax";\ + .word 88b; \ + sllx tmp, 7, tmp; \ + wr tmp, 0, %asr27; \ + clr tmp; \ + .previous; \ + brnz,pt tmp, 88b; \ + sub tmp, 1, tmp; \ + set BACKOFF_LIMIT, tmp; \ + cmp reg, tmp; \ + bg,pn %xcc, label; \ + nop; \ + ba,pt %xcc, label; \ + sllx reg, 1, reg; #else diff --git a/arch/sparc/include/asm/compat.h b/arch/sparc/include/asm/compat.h index cef99fbc0a2..830502fe62b 100644 --- a/arch/sparc/include/asm/compat.h +++ b/arch/sparc/include/asm/compat.h @@ -232,9 +232,10 @@ static inline void __user *arch_compat_alloc_user_space(long len) struct pt_regs *regs = current_thread_info()->kregs; unsigned long usp = regs->u_regs[UREG_I6]; - if (!(test_thread_flag(TIF_32BIT))) + if (test_thread_64bit_stack(usp)) usp += STACK_BIAS; - else + + if (test_thread_flag(TIF_32BIT)) usp &= 0xffffffffUL; usp -= len; diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 4e5a483122a..721e25f0e2e 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -196,7 +196,22 @@ extern unsigned long get_wchan(struct task_struct *task); #define KSTK_EIP(tsk) (task_pt_regs(tsk)->tpc) #define KSTK_ESP(tsk) (task_pt_regs(tsk)->u_regs[UREG_FP]) -#define cpu_relax() barrier() +/* Please see the commentary in asm/backoff.h for a description of + * what these instructions are doing and how they have been choosen. + * To make a long story short, we are trying to yield the current cpu + * strand during busy loops. + */ +#define cpu_relax() asm volatile("\n99:\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + "rd %%ccr, %%g0\n\t" \ + ".section .pause_3insn_patch,\"ax\"\n\t"\ + ".word 99b\n\t" \ + "wr %%g0, 128, %%asr27\n\t" \ + "nop\n\t" \ + "nop\n\t" \ + ".previous" \ + ::: "memory") /* Prefetch support. This is tuned for UltraSPARC-III and later. * UltraSPARC-I will treat these as nops, and UltraSPARC-II has diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index c2876511070..f93003123bc 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -63,5 +63,10 @@ extern char *of_console_options; extern void irq_trans_init(struct device_node *dp); extern char *build_path_component(struct device_node *dp); +/* SPARC has a local implementation */ +extern int of_address_to_resource(struct device_node *dev, int index, + struct resource *r); +#define of_address_to_resource of_address_to_resource + #endif /* __KERNEL__ */ #endif /* _SPARC_PROM_H */ diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h index 4e227663108..a3fe4dcc0aa 100644 --- a/arch/sparc/include/asm/thread_info_64.h +++ b/arch/sparc/include/asm/thread_info_64.h @@ -259,6 +259,11 @@ static inline bool test_and_clear_restore_sigmask(void) #define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) +#define thread32_stack_is_64bit(__SP) (((__SP) & 0x1) != 0) +#define test_thread_64bit_stack(__SP) \ + ((test_thread_flag(TIF_32BIT) && !thread32_stack_is_64bit(__SP)) ? \ + false : true) + #endif /* !__ASSEMBLY__ */ #endif /* __KERNEL__ */ diff --git a/arch/sparc/include/asm/ttable.h b/arch/sparc/include/asm/ttable.h index 48f2807d326..71b5a67522a 100644 --- a/arch/sparc/include/asm/ttable.h +++ b/arch/sparc/include/asm/ttable.h @@ -372,7 +372,9 @@ etrap_spill_fixup_64bit: \ /* Normal 32bit spill */ #define SPILL_2_GENERIC(ASI) \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, (. - (128 + 4)); \ + srl %sp, 0, %sp; \ stwa %l0, [%sp + %g0] ASI; \ mov 0x04, %g3; \ stwa %l1, [%sp + %g3] ASI; \ @@ -398,14 +400,16 @@ etrap_spill_fixup_64bit: \ stwa %i6, [%g1 + %g0] ASI; \ stwa %i7, [%g1 + %g3] ASI; \ saved; \ - retry; nop; nop; \ + retry; \ b,a,pt %xcc, spill_fixup_dax; \ b,a,pt %xcc, spill_fixup_mna; \ b,a,pt %xcc, spill_fixup; #define SPILL_2_GENERIC_ETRAP \ etrap_user_spill_32bit: \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, etrap_user_spill_64bit; \ + srl %sp, 0, %sp; \ stwa %l0, [%sp + 0x00] %asi; \ stwa %l1, [%sp + 0x04] %asi; \ stwa %l2, [%sp + 0x08] %asi; \ @@ -427,7 +431,7 @@ etrap_user_spill_32bit: \ ba,pt %xcc, etrap_save; \ wrpr %g1, %cwp; \ nop; nop; nop; nop; \ - nop; nop; nop; nop; \ + nop; nop; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; \ ba,a,pt %xcc, etrap_spill_fixup_32bit; @@ -592,7 +596,9 @@ user_rtt_fill_64bit: \ /* Normal 32bit fill */ #define FILL_2_GENERIC(ASI) \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, (. - (128 + 4)); \ + srl %sp, 0, %sp; \ lduwa [%sp + %g0] ASI, %l0; \ mov 0x04, %g2; \ mov 0x08, %g3; \ @@ -616,14 +622,16 @@ user_rtt_fill_64bit: \ lduwa [%g1 + %g3] ASI, %i6; \ lduwa [%g1 + %g5] ASI, %i7; \ restored; \ - retry; nop; nop; nop; nop; \ + retry; nop; nop; \ b,a,pt %xcc, fill_fixup_dax; \ b,a,pt %xcc, fill_fixup_mna; \ b,a,pt %xcc, fill_fixup; #define FILL_2_GENERIC_RTRAP \ user_rtt_fill_32bit: \ - srl %sp, 0, %sp; \ + and %sp, 1, %g3; \ + brnz,pn %g3, user_rtt_fill_64bit; \ + srl %sp, 0, %sp; \ lduwa [%sp + 0x00] %asi, %l0; \ lduwa [%sp + 0x04] %asi, %l1; \ lduwa [%sp + 0x08] %asi, %l2; \ @@ -643,7 +651,7 @@ user_rtt_fill_32bit: \ ba,pt %xcc, user_rtt_pre_restore; \ restored; \ nop; nop; nop; nop; nop; \ - nop; nop; nop; nop; nop; \ + nop; nop; nop; \ ba,a,pt %xcc, user_rtt_fill_fixup; \ ba,a,pt %xcc, user_rtt_fill_fixup; \ ba,a,pt %xcc, user_rtt_fill_fixup; diff --git a/arch/sparc/include/uapi/asm/unistd.h b/arch/sparc/include/uapi/asm/unistd.h index 8974ef7ae92..cac719d1bc5 100644 --- a/arch/sparc/include/uapi/asm/unistd.h +++ b/arch/sparc/include/uapi/asm/unistd.h @@ -405,8 +405,13 @@ #define __NR_setns 337 #define __NR_process_vm_readv 338 #define __NR_process_vm_writev 339 +#define __NR_kern_features 340 +#define __NR_kcmp 341 -#define NR_syscalls 340 +#define NR_syscalls 342 + +/* Bitmask values returned from kern_features system call. */ +#define KERN_FEATURE_MIXED_MODE_STACK 0x00000001 #ifdef __32bit_syscall_numbers__ /* Sparc 32-bit only has the "setresuid32", "getresuid32" variants, diff --git a/arch/sparc/kernel/entry.h b/arch/sparc/kernel/entry.h index 0c218e4c088..cc3c5cb47cd 100644 --- a/arch/sparc/kernel/entry.h +++ b/arch/sparc/kernel/entry.h @@ -59,6 +59,13 @@ struct popc_6insn_patch_entry { extern struct popc_6insn_patch_entry __popc_6insn_patch, __popc_6insn_patch_end; +struct pause_patch_entry { + unsigned int addr; + unsigned int insns[3]; +}; +extern struct pause_patch_entry __pause_3insn_patch, + __pause_3insn_patch_end; + extern void __init per_cpu_patch(void); extern void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *, struct sun4v_1insn_patch_entry *); diff --git a/arch/sparc/kernel/leon_kernel.c b/arch/sparc/kernel/leon_kernel.c index f8b6eee40bd..87f60ee6543 100644 --- a/arch/sparc/kernel/leon_kernel.c +++ b/arch/sparc/kernel/leon_kernel.c @@ -56,11 +56,13 @@ static inline unsigned int leon_eirq_get(int cpu) static void leon_handle_ext_irq(unsigned int irq, struct irq_desc *desc) { unsigned int eirq; + struct irq_bucket *p; int cpu = sparc_leon3_cpuid(); eirq = leon_eirq_get(cpu); - if ((eirq & 0x10) && irq_map[eirq]->irq) /* bit4 tells if IRQ happened */ - generic_handle_irq(irq_map[eirq]->irq); + p = irq_map[eirq]; + if ((eirq & 0x10) && p && p->irq) /* bit4 tells if IRQ happened */ + generic_handle_irq(p->irq); } /* The extended IRQ controller has been found, this function registers it */ diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c index 885a8af7406..b5c38faa4ea 100644 --- a/arch/sparc/kernel/perf_event.c +++ b/arch/sparc/kernel/perf_event.c @@ -1762,15 +1762,25 @@ static void perf_callchain_user_32(struct perf_callchain_entry *entry, ufp = regs->u_regs[UREG_I6] & 0xffffffffUL; do { - struct sparc_stackf32 *usf, sf; unsigned long pc; - usf = (struct sparc_stackf32 *) ufp; - if (__copy_from_user_inatomic(&sf, usf, sizeof(sf))) - break; + if (thread32_stack_is_64bit(ufp)) { + struct sparc_stackf *usf, sf; - pc = sf.callers_pc; - ufp = (unsigned long)sf.fp; + ufp += STACK_BIAS; + usf = (struct sparc_stackf *) ufp; + if (__copy_from_user_inatomic(&sf, usf, sizeof(sf))) + break; + pc = sf.callers_pc & 0xffffffff; + ufp = ((unsigned long) sf.fp) & 0xffffffff; + } else { + struct sparc_stackf32 *usf, sf; + usf = (struct sparc_stackf32 *) ufp; + if (__copy_from_user_inatomic(&sf, usf, sizeof(sf))) + break; + pc = sf.callers_pc; + ufp = (unsigned long)sf.fp; + } perf_callchain_store(entry, pc); } while (entry->nr < PERF_MAX_STACK_DEPTH); } diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c index d778248ef3f..c6e0c291004 100644 --- a/arch/sparc/kernel/process_64.c +++ b/arch/sparc/kernel/process_64.c @@ -452,13 +452,16 @@ void flush_thread(void) /* It's a bit more tricky when 64-bit tasks are involved... */ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp) { + bool stack_64bit = test_thread_64bit_stack(psp); unsigned long fp, distance, rval; - if (!(test_thread_flag(TIF_32BIT))) { + if (stack_64bit) { csp += STACK_BIAS; psp += STACK_BIAS; __get_user(fp, &(((struct reg_window __user *)psp)->ins[6])); fp += STACK_BIAS; + if (test_thread_flag(TIF_32BIT)) + fp &= 0xffffffff; } else __get_user(fp, &(((struct reg_window32 __user *)psp)->ins[6])); @@ -472,7 +475,7 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp) rval = (csp - distance); if (copy_in_user((void __user *) rval, (void __user *) psp, distance)) rval = 0; - else if (test_thread_flag(TIF_32BIT)) { + else if (!stack_64bit) { if (put_user(((u32)csp), &(((struct reg_window32 __user *)rval)->ins[6]))) rval = 0; @@ -507,18 +510,18 @@ void synchronize_user_stack(void) flush_user_windows(); if ((window = get_thread_wsaved()) != 0) { - int winsize = sizeof(struct reg_window); - int bias = 0; - - if (test_thread_flag(TIF_32BIT)) - winsize = sizeof(struct reg_window32); - else - bias = STACK_BIAS; - window -= 1; do { - unsigned long sp = (t->rwbuf_stkptrs[window] + bias); struct reg_window *rwin = &t->reg_window[window]; + int winsize = sizeof(struct reg_window); + unsigned long sp; + + sp = t->rwbuf_stkptrs[window]; + + if (test_thread_64bit_stack(sp)) + sp += STACK_BIAS; + else + winsize = sizeof(struct reg_window32); if (!copy_to_user((char __user *)sp, rwin, winsize)) { shift_window_buffer(window, get_thread_wsaved() - 1, t); @@ -544,13 +547,6 @@ void fault_in_user_windows(void) { struct thread_info *t = current_thread_info(); unsigned long window; - int winsize = sizeof(struct reg_window); - int bias = 0; - - if (test_thread_flag(TIF_32BIT)) - winsize = sizeof(struct reg_window32); - else - bias = STACK_BIAS; flush_user_windows(); window = get_thread_wsaved(); @@ -558,8 +554,16 @@ void fault_in_user_windows(void) if (likely(window != 0)) { window -= 1; do { - unsigned long sp = (t->rwbuf_stkptrs[window] + bias); struct reg_window *rwin = &t->reg_window[window]; + int winsize = sizeof(struct reg_window); + unsigned long sp; + + sp = t->rwbuf_stkptrs[window]; + + if (test_thread_64bit_stack(sp)) + sp += STACK_BIAS; + else + winsize = sizeof(struct reg_window32); if (unlikely(sp & 0x7UL)) stack_unaligned(sp); diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index 484dabac704..7ff45e4ba68 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -151,7 +151,7 @@ static int regwindow64_get(struct task_struct *target, { unsigned long rw_addr = regs->u_regs[UREG_I6]; - if (test_tsk_thread_flag(current, TIF_32BIT)) { + if (!test_thread_64bit_stack(rw_addr)) { struct reg_window32 win32; int i; @@ -176,7 +176,7 @@ static int regwindow64_set(struct task_struct *target, { unsigned long rw_addr = regs->u_regs[UREG_I6]; - if (test_tsk_thread_flag(current, TIF_32BIT)) { + if (!test_thread_64bit_stack(rw_addr)) { struct reg_window32 win32; int i; diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c index 0800e71d8a8..0eaf0059aae 100644 --- a/arch/sparc/kernel/setup_64.c +++ b/arch/sparc/kernel/setup_64.c @@ -316,6 +316,25 @@ static void __init popc_patch(void) } } +static void __init pause_patch(void) +{ + struct pause_patch_entry *p; + + p = &__pause_3insn_patch; + while (p < &__pause_3insn_patch_end) { + unsigned long i, addr = p->addr; + + for (i = 0; i < 3; i++) { + *(unsigned int *) (addr + (i * 4)) = p->insns[i]; + wmb(); + __asm__ __volatile__("flush %0" + : : "r" (addr + (i * 4))); + } + + p++; + } +} + #ifdef CONFIG_SMP void __init boot_cpu_id_too_large(int cpu) { @@ -528,6 +547,8 @@ static void __init init_sparc64_elf_hwcap(void) if (sparc64_elf_hwcap & AV_SPARC_POPC) popc_patch(); + if (sparc64_elf_hwcap & AV_SPARC_PAUSE) + pause_patch(); } void __init setup_arch(char **cmdline_p) diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c index 11c6c9603e7..878ef3d5fec 100644 --- a/arch/sparc/kernel/sys_sparc_64.c +++ b/arch/sparc/kernel/sys_sparc_64.c @@ -751,3 +751,8 @@ int kernel_execve(const char *filename, : "cc"); return __res; } + +asmlinkage long sys_kern_features(void) +{ + return KERN_FEATURE_MIXED_MODE_STACK; +} diff --git a/arch/sparc/kernel/systbls_32.S b/arch/sparc/kernel/systbls_32.S index 63402f9e9f5..5147f574f12 100644 --- a/arch/sparc/kernel/systbls_32.S +++ b/arch/sparc/kernel/systbls_32.S @@ -85,3 +85,4 @@ sys_call_table: /*325*/ .long sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .long sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime /*335*/ .long sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev +/*340*/ .long sys_ni_syscall, sys_kcmp diff --git a/arch/sparc/kernel/systbls_64.S b/arch/sparc/kernel/systbls_64.S index 3a58e0d66f5..1c9af9fa38e 100644 --- a/arch/sparc/kernel/systbls_64.S +++ b/arch/sparc/kernel/systbls_64.S @@ -86,6 +86,7 @@ sys_call_table32: .word compat_sys_pwritev, compat_sys_rt_tgsigqueueinfo, sys_perf_event_open, compat_sys_recvmmsg, sys_fanotify_init /*330*/ .word sys32_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, compat_sys_open_by_handle_at, compat_sys_clock_adjtime .word sys_syncfs, compat_sys_sendmmsg, sys_setns, compat_sys_process_vm_readv, compat_sys_process_vm_writev +/*340*/ .word sys_kern_features, sys_kcmp #endif /* CONFIG_COMPAT */ @@ -163,3 +164,4 @@ sys_call_table: .word sys_pwritev, sys_rt_tgsigqueueinfo, sys_perf_event_open, sys_recvmmsg, sys_fanotify_init /*330*/ .word sys_fanotify_mark, sys_prlimit64, sys_name_to_handle_at, sys_open_by_handle_at, sys_clock_adjtime .word sys_syncfs, sys_sendmmsg, sys_setns, sys_process_vm_readv, sys_process_vm_writev +/*340*/ .word sys_kern_features, sys_kcmp diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c index f81d038f734..8201c25e766 100644 --- a/arch/sparc/kernel/unaligned_64.c +++ b/arch/sparc/kernel/unaligned_64.c @@ -113,21 +113,24 @@ static inline long sign_extend_imm13(long imm) static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) { - unsigned long value; + unsigned long value, fp; if (reg < 16) return (!reg ? 0 : regs->u_regs[reg]); + + fp = regs->u_regs[UREG_FP]; + if (regs->tstate & TSTATE_PRIV) { struct reg_window *win; - win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window *)(fp + STACK_BIAS); value = win->locals[reg - 16]; - } else if (test_thread_flag(TIF_32BIT)) { + } else if (!test_thread_64bit_stack(fp)) { struct reg_window32 __user *win32; - win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP])); + win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp)); get_user(value, &win32->locals[reg - 16]); } else { struct reg_window __user *win; - win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window __user *)(fp + STACK_BIAS); get_user(value, &win->locals[reg - 16]); } return value; @@ -135,19 +138,24 @@ static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) static unsigned long *fetch_reg_addr(unsigned int reg, struct pt_regs *regs) { + unsigned long fp; + if (reg < 16) return ®s->u_regs[reg]; + + fp = regs->u_regs[UREG_FP]; + if (regs->tstate & TSTATE_PRIV) { struct reg_window *win; - win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window *)(fp + STACK_BIAS); return &win->locals[reg - 16]; - } else if (test_thread_flag(TIF_32BIT)) { + } else if (!test_thread_64bit_stack(fp)) { struct reg_window32 *win32; - win32 = (struct reg_window32 *)((unsigned long)((u32)regs->u_regs[UREG_FP])); + win32 = (struct reg_window32 *)((unsigned long)((u32)fp)); return (unsigned long *)&win32->locals[reg - 16]; } else { struct reg_window *win; - win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window *)(fp + STACK_BIAS); return &win->locals[reg - 16]; } } @@ -392,13 +400,15 @@ int handle_popc(u32 insn, struct pt_regs *regs) if (rd) regs->u_regs[rd] = ret; } else { - if (test_thread_flag(TIF_32BIT)) { + unsigned long fp = regs->u_regs[UREG_FP]; + + if (!test_thread_64bit_stack(fp)) { struct reg_window32 __user *win32; - win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP])); + win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp)); put_user(ret, &win32->locals[rd - 16]); } else { struct reg_window __user *win; - win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window __user *)(fp + STACK_BIAS); put_user(ret, &win->locals[rd - 16]); } } @@ -554,7 +564,7 @@ void handle_ld_nf(u32 insn, struct pt_regs *regs) reg[0] = 0; if ((insn & 0x780000) == 0x180000) reg[1] = 0; - } else if (test_thread_flag(TIF_32BIT)) { + } else if (!test_thread_64bit_stack(regs->u_regs[UREG_FP])) { put_user(0, (int __user *) reg); if ((insn & 0x780000) == 0x180000) put_user(0, ((int __user *) reg) + 1); diff --git a/arch/sparc/kernel/visemul.c b/arch/sparc/kernel/visemul.c index 08e074b7eb6..c096c624ac4 100644 --- a/arch/sparc/kernel/visemul.c +++ b/arch/sparc/kernel/visemul.c @@ -149,21 +149,24 @@ static inline void maybe_flush_windows(unsigned int rs1, unsigned int rs2, static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) { - unsigned long value; + unsigned long value, fp; if (reg < 16) return (!reg ? 0 : regs->u_regs[reg]); + + fp = regs->u_regs[UREG_FP]; + if (regs->tstate & TSTATE_PRIV) { struct reg_window *win; - win = (struct reg_window *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window *)(fp + STACK_BIAS); value = win->locals[reg - 16]; - } else if (test_thread_flag(TIF_32BIT)) { + } else if (!test_thread_64bit_stack(fp)) { struct reg_window32 __user *win32; - win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP])); + win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp)); get_user(value, &win32->locals[reg - 16]); } else { struct reg_window __user *win; - win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window __user *)(fp + STACK_BIAS); get_user(value, &win->locals[reg - 16]); } return value; @@ -172,16 +175,18 @@ static unsigned long fetch_reg(unsigned int reg, struct pt_regs *regs) static inline unsigned long __user *__fetch_reg_addr_user(unsigned int reg, struct pt_regs *regs) { + unsigned long fp = regs->u_regs[UREG_FP]; + BUG_ON(reg < 16); BUG_ON(regs->tstate & TSTATE_PRIV); - if (test_thread_flag(TIF_32BIT)) { + if (!test_thread_64bit_stack(fp)) { struct reg_window32 __user *win32; - win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP])); + win32 = (struct reg_window32 __user *)((unsigned long)((u32)fp)); return (unsigned long __user *)&win32->locals[reg - 16]; } else { struct reg_window __user *win; - win = (struct reg_window __user *)(regs->u_regs[UREG_FP] + STACK_BIAS); + win = (struct reg_window __user *)(fp + STACK_BIAS); return &win->locals[reg - 16]; } } @@ -204,7 +209,7 @@ static void store_reg(struct pt_regs *regs, unsigned long val, unsigned long rd) } else { unsigned long __user *rd_user = __fetch_reg_addr_user(rd, regs); - if (test_thread_flag(TIF_32BIT)) + if (!test_thread_64bit_stack(regs->u_regs[UREG_FP])) __put_user((u32)val, (u32 __user *)rd_user); else __put_user(val, rd_user); diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S index 89c2c29f154..0bacceb1915 100644 --- a/arch/sparc/kernel/vmlinux.lds.S +++ b/arch/sparc/kernel/vmlinux.lds.S @@ -132,6 +132,11 @@ SECTIONS *(.popc_6insn_patch) __popc_6insn_patch_end = .; } + .pause_3insn_patch : { + __pause_3insn_patch = .; + *(.pause_3insn_patch) + __pause_3insn_patch_end = .; + } PERCPU_SECTION(SMP_CACHE_BYTES) . = ALIGN(PAGE_SIZE); diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index a6b0863c27d..1e67ce95836 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -43,6 +43,8 @@ spill_fixup_mna: spill_fixup_dax: TRAP_LOAD_THREAD_REG(%g6, %g1) ldx [%g6 + TI_FLAGS], %g1 + andcc %sp, 0x1, %g0 + movne %icc, 0, %g1 andcc %g1, _TIF_32BIT, %g0 ldub [%g6 + TI_WSAVED], %g1 sll %g1, 3, %g3 diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S index 4d502da3de7..85c233d0a34 100644 --- a/arch/sparc/lib/atomic_64.S +++ b/arch/sparc/lib/atomic_64.S @@ -1,6 +1,6 @@ /* atomic.S: These things are too big to do inline. * - * Copyright (C) 1999, 2007 David S. Miller (davem@davemloft.net) + * Copyright (C) 1999, 2007 2012 David S. Miller (davem@davemloft.net) */ #include <linux/linkage.h> @@ -117,3 +117,17 @@ ENTRY(atomic64_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */ sub %g1, %o0, %o0 2: BACKOFF_SPIN(%o2, %o3, 1b) ENDPROC(atomic64_sub_ret) + +ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */ + BACKOFF_SETUP(%o2) +1: ldx [%o0], %g1 + brlez,pn %g1, 3f + sub %g1, 1, %g7 + casx [%o0], %g1, %g7 + cmp %g1, %g7 + bne,pn %xcc, BACKOFF_LABEL(2f, 1b) + nop +3: retl + sub %g1, 1, %o0 +2: BACKOFF_SPIN(%o2, %o3, 1b) +ENDPROC(atomic64_dec_if_positive) diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c index ee31b884c61..0c4e35e522f 100644 --- a/arch/sparc/lib/ksyms.c +++ b/arch/sparc/lib/ksyms.c @@ -116,6 +116,7 @@ EXPORT_SYMBOL(atomic64_add); EXPORT_SYMBOL(atomic64_add_ret); EXPORT_SYMBOL(atomic64_sub); EXPORT_SYMBOL(atomic64_sub_ret); +EXPORT_SYMBOL(atomic64_dec_if_positive); /* Atomic bit operations. */ EXPORT_SYMBOL(test_and_set_bit); diff --git a/arch/sparc/math-emu/math_64.c b/arch/sparc/math-emu/math_64.c index 1704068da92..034aadbff03 100644 --- a/arch/sparc/math-emu/math_64.c +++ b/arch/sparc/math-emu/math_64.c @@ -320,7 +320,7 @@ int do_mathemu(struct pt_regs *regs, struct fpustate *f, bool illegal_insn_trap) XR = 0; else if (freg < 16) XR = regs->u_regs[freg]; - else if (test_thread_flag(TIF_32BIT)) { + else if (!test_thread_64bit_stack(regs->u_regs[UREG_FP])) { struct reg_window32 __user *win32; flushw_user (); win32 = (struct reg_window32 __user *)((unsigned long)((u32)regs->u_regs[UREG_FP])); diff --git a/arch/unicore32/Kconfig b/arch/unicore32/Kconfig index e5c5473e69c..c4fbb21e802 100644 --- a/arch/unicore32/Kconfig +++ b/arch/unicore32/Kconfig @@ -16,6 +16,8 @@ config UNICORE32 select ARCH_WANT_FRAME_POINTERS select GENERIC_IOMAP select MODULES_USE_ELF_REL + select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE help UniCore-32 is 32-bit Instruction Set Architecture, including a series of low-power-consumption RISC chip @@ -64,6 +66,9 @@ config GENERIC_CALIBRATE_DELAY config ARCH_MAY_HAVE_PC_FDC bool +config ZONE_DMA + def_bool y + config NEED_DMA_MAP_STATE def_bool y @@ -216,7 +221,7 @@ config PUV3_GPIO bool depends on !ARCH_FPGA select GENERIC_GPIO - select GPIO_SYSFS if EXPERIMENTAL + select GPIO_SYSFS default y if PUV3_NB0916 diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild index c910c9857e1..601e92f18af 100644 --- a/arch/unicore32/include/asm/Kbuild +++ b/arch/unicore32/include/asm/Kbuild @@ -1,4 +1,3 @@ -include include/asm-generic/Kbuild.asm generic-y += atomic.h generic-y += auxvec.h diff --git a/arch/unicore32/include/asm/bug.h b/arch/unicore32/include/asm/bug.h index b1ff8cadb08..93a56f3e234 100644 --- a/arch/unicore32/include/asm/bug.h +++ b/arch/unicore32/include/asm/bug.h @@ -19,9 +19,4 @@ extern void die(const char *msg, struct pt_regs *regs, int err); extern void uc32_notify_die(const char *str, struct pt_regs *regs, struct siginfo *info, unsigned long err, unsigned long trap); -extern asmlinkage void __backtrace(void); -extern asmlinkage void c_backtrace(unsigned long fp, int pmode); - -extern void __show_regs(struct pt_regs *); - #endif /* __UNICORE_BUG_H__ */ diff --git a/arch/unicore32/include/asm/cmpxchg.h b/arch/unicore32/include/asm/cmpxchg.h index df4d5acfd19..8e797ad4fa2 100644 --- a/arch/unicore32/include/asm/cmpxchg.h +++ b/arch/unicore32/include/asm/cmpxchg.h @@ -35,7 +35,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, : "memory", "cc"); break; default: - ret = __xchg_bad_pointer(); + __xchg_bad_pointer(); } return ret; diff --git a/arch/unicore32/include/asm/kvm_para.h b/arch/unicore32/include/asm/kvm_para.h deleted file mode 100644 index 14fab8f0b95..00000000000 --- a/arch/unicore32/include/asm/kvm_para.h +++ /dev/null @@ -1 +0,0 @@ -#include <asm-generic/kvm_para.h> diff --git a/arch/unicore32/include/asm/processor.h b/arch/unicore32/include/asm/processor.h index 14382cb0965..4eaa4216766 100644 --- a/arch/unicore32/include/asm/processor.h +++ b/arch/unicore32/include/asm/processor.h @@ -72,11 +72,6 @@ unsigned long get_wchan(struct task_struct *p); #define cpu_relax() barrier() -/* - * Create a new kernel thread - */ -extern int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags); - #define task_pt_regs(p) \ ((struct pt_regs *)(THREAD_START_SP + task_stack_page(p)) - 1) diff --git a/arch/unicore32/include/asm/ptrace.h b/arch/unicore32/include/asm/ptrace.h index b9caf9b0997..726749dab52 100644 --- a/arch/unicore32/include/asm/ptrace.h +++ b/arch/unicore32/include/asm/ptrace.h @@ -12,80 +12,10 @@ #ifndef __UNICORE_PTRACE_H__ #define __UNICORE_PTRACE_H__ -#define PTRACE_GET_THREAD_AREA 22 - -/* - * PSR bits - */ -#define USER_MODE 0x00000010 -#define REAL_MODE 0x00000011 -#define INTR_MODE 0x00000012 -#define PRIV_MODE 0x00000013 -#define ABRT_MODE 0x00000017 -#define EXTN_MODE 0x0000001b -#define SUSR_MODE 0x0000001f -#define MODE_MASK 0x0000001f -#define PSR_R_BIT 0x00000040 -#define PSR_I_BIT 0x00000080 -#define PSR_V_BIT 0x10000000 -#define PSR_C_BIT 0x20000000 -#define PSR_Z_BIT 0x40000000 -#define PSR_S_BIT 0x80000000 - -/* - * Groups of PSR bits - */ -#define PSR_f 0xff000000 /* Flags */ -#define PSR_c 0x000000ff /* Control */ +#include <uapi/asm/ptrace.h> #ifndef __ASSEMBLY__ -/* - * This struct defines the way the registers are stored on the - * stack during a system call. Note that sizeof(struct pt_regs) - * has to be a multiple of 8. - */ -struct pt_regs { - unsigned long uregs[34]; -}; - -#define UCreg_asr uregs[32] -#define UCreg_pc uregs[31] -#define UCreg_lr uregs[30] -#define UCreg_sp uregs[29] -#define UCreg_ip uregs[28] -#define UCreg_fp uregs[27] -#define UCreg_26 uregs[26] -#define UCreg_25 uregs[25] -#define UCreg_24 uregs[24] -#define UCreg_23 uregs[23] -#define UCreg_22 uregs[22] -#define UCreg_21 uregs[21] -#define UCreg_20 uregs[20] -#define UCreg_19 uregs[19] -#define UCreg_18 uregs[18] -#define UCreg_17 uregs[17] -#define UCreg_16 uregs[16] -#define UCreg_15 uregs[15] -#define UCreg_14 uregs[14] -#define UCreg_13 uregs[13] -#define UCreg_12 uregs[12] -#define UCreg_11 uregs[11] -#define UCreg_10 uregs[10] -#define UCreg_09 uregs[9] -#define UCreg_08 uregs[8] -#define UCreg_07 uregs[7] -#define UCreg_06 uregs[6] -#define UCreg_05 uregs[5] -#define UCreg_04 uregs[4] -#define UCreg_03 uregs[3] -#define UCreg_02 uregs[2] -#define UCreg_01 uregs[1] -#define UCreg_00 uregs[0] -#define UCreg_ORIG_00 uregs[33] - -#ifdef __KERNEL__ - #define user_mode(regs) \ (processor_mode(regs) == USER_MODE) @@ -125,9 +55,5 @@ static inline int valid_user_regs(struct pt_regs *regs) #define instruction_pointer(regs) ((regs)->UCreg_pc) -#endif /* __KERNEL__ */ - #endif /* __ASSEMBLY__ */ - #endif - diff --git a/arch/unicore32/include/uapi/asm/Kbuild b/arch/unicore32/include/uapi/asm/Kbuild index baebb3da1d4..0514d7ad685 100644 --- a/arch/unicore32/include/uapi/asm/Kbuild +++ b/arch/unicore32/include/uapi/asm/Kbuild @@ -1,3 +1,10 @@ # UAPI Header export list include include/uapi/asm-generic/Kbuild.asm +header-y += byteorder.h +header-y += kvm_para.h +header-y += ptrace.h +header-y += sigcontext.h +header-y += unistd.h + +generic-y += kvm_para.h diff --git a/arch/unicore32/include/asm/byteorder.h b/arch/unicore32/include/uapi/asm/byteorder.h index ebe1b3fef3e..ebe1b3fef3e 100644 --- a/arch/unicore32/include/asm/byteorder.h +++ b/arch/unicore32/include/uapi/asm/byteorder.h diff --git a/arch/unicore32/include/uapi/asm/ptrace.h b/arch/unicore32/include/uapi/asm/ptrace.h new file mode 100644 index 00000000000..187aa2e98a5 --- /dev/null +++ b/arch/unicore32/include/uapi/asm/ptrace.h @@ -0,0 +1,90 @@ +/* + * linux/arch/unicore32/include/asm/ptrace.h + * + * Code specific to PKUnity SoC and UniCore ISA + * + * Copyright (C) 2001-2010 GUAN Xue-tao + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef _UAPI__UNICORE_PTRACE_H__ +#define _UAPI__UNICORE_PTRACE_H__ + +#define PTRACE_GET_THREAD_AREA 22 + +/* + * PSR bits + */ +#define USER_MODE 0x00000010 +#define REAL_MODE 0x00000011 +#define INTR_MODE 0x00000012 +#define PRIV_MODE 0x00000013 +#define ABRT_MODE 0x00000017 +#define EXTN_MODE 0x0000001b +#define SUSR_MODE 0x0000001f +#define MODE_MASK 0x0000001f +#define PSR_R_BIT 0x00000040 +#define PSR_I_BIT 0x00000080 +#define PSR_V_BIT 0x10000000 +#define PSR_C_BIT 0x20000000 +#define PSR_Z_BIT 0x40000000 +#define PSR_S_BIT 0x80000000 + +/* + * Groups of PSR bits + */ +#define PSR_f 0xff000000 /* Flags */ +#define PSR_c 0x000000ff /* Control */ + +#ifndef __ASSEMBLY__ + +/* + * This struct defines the way the registers are stored on the + * stack during a system call. Note that sizeof(struct pt_regs) + * has to be a multiple of 8. + */ +struct pt_regs { + unsigned long uregs[34]; +}; + +#define UCreg_asr uregs[32] +#define UCreg_pc uregs[31] +#define UCreg_lr uregs[30] +#define UCreg_sp uregs[29] +#define UCreg_ip uregs[28] +#define UCreg_fp uregs[27] +#define UCreg_26 uregs[26] +#define UCreg_25 uregs[25] +#define UCreg_24 uregs[24] +#define UCreg_23 uregs[23] +#define UCreg_22 uregs[22] +#define UCreg_21 uregs[21] +#define UCreg_20 uregs[20] +#define UCreg_19 uregs[19] +#define UCreg_18 uregs[18] +#define UCreg_17 uregs[17] +#define UCreg_16 uregs[16] +#define UCreg_15 uregs[15] +#define UCreg_14 uregs[14] +#define UCreg_13 uregs[13] +#define UCreg_12 uregs[12] +#define UCreg_11 uregs[11] +#define UCreg_10 uregs[10] +#define UCreg_09 uregs[9] +#define UCreg_08 uregs[8] +#define UCreg_07 uregs[7] +#define UCreg_06 uregs[6] +#define UCreg_05 uregs[5] +#define UCreg_04 uregs[4] +#define UCreg_03 uregs[3] +#define UCreg_02 uregs[2] +#define UCreg_01 uregs[1] +#define UCreg_00 uregs[0] +#define UCreg_ORIG_00 uregs[33] + + +#endif /* __ASSEMBLY__ */ + +#endif /* _UAPI__UNICORE_PTRACE_H__ */ diff --git a/arch/unicore32/include/asm/sigcontext.h b/arch/unicore32/include/uapi/asm/sigcontext.h index 6a2d7671c05..6a2d7671c05 100644 --- a/arch/unicore32/include/asm/sigcontext.h +++ b/arch/unicore32/include/uapi/asm/sigcontext.h diff --git a/arch/unicore32/include/asm/unistd.h b/arch/unicore32/include/uapi/asm/unistd.h index 2abcf61c615..d18a3be89b3 100644 --- a/arch/unicore32/include/asm/unistd.h +++ b/arch/unicore32/include/uapi/asm/unistd.h @@ -12,3 +12,4 @@ /* Use the standard ABI for syscalls. */ #include <asm-generic/unistd.h> +#define __ARCH_WANT_SYS_EXECVE diff --git a/arch/unicore32/kernel/entry.S b/arch/unicore32/kernel/entry.S index dcb87ab19dd..7049350c790 100644 --- a/arch/unicore32/kernel/entry.S +++ b/arch/unicore32/kernel/entry.S @@ -573,17 +573,16 @@ ENDPROC(ret_to_user) */ ENTRY(ret_from_fork) b.l schedule_tail - get_thread_info tsk - ldw r1, [tsk+], #TI_FLAGS @ check for syscall tracing - mov why, #1 - cand.a r1, #_TIF_SYSCALL_TRACE @ are we tracing syscalls? - beq ret_slow_syscall - mov r1, sp - mov r0, #1 @ trace exit [IP = 1] - b.l syscall_trace b ret_slow_syscall ENDPROC(ret_from_fork) +ENTRY(ret_from_kernel_thread) + b.l schedule_tail + mov r0, r5 + adr lr, ret_slow_syscall + mov pc, r4 +ENDPROC(ret_from_kernel_thread) + /*============================================================================= * SWI handler *----------------------------------------------------------------------------- @@ -669,11 +668,6 @@ __cr_alignment: #endif .ltorg -ENTRY(sys_execve) - add r3, sp, #S_OFF - b __sys_execve -ENDPROC(sys_execve) - ENTRY(sys_clone) add ip, sp, #S_OFF stw ip, [sp+], #4 diff --git a/arch/unicore32/kernel/process.c b/arch/unicore32/kernel/process.c index b008586dad7..a8fe265ce2c 100644 --- a/arch/unicore32/kernel/process.c +++ b/arch/unicore32/kernel/process.c @@ -258,6 +258,7 @@ void release_thread(struct task_struct *dead_task) } asmlinkage void ret_from_fork(void) __asm__("ret_from_fork"); +asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread"); int copy_thread(unsigned long clone_flags, unsigned long stack_start, @@ -266,17 +267,22 @@ copy_thread(unsigned long clone_flags, unsigned long stack_start, struct thread_info *thread = task_thread_info(p); struct pt_regs *childregs = task_pt_regs(p); - *childregs = *regs; - childregs->UCreg_00 = 0; - childregs->UCreg_sp = stack_start; - memset(&thread->cpu_context, 0, sizeof(struct cpu_context_save)); thread->cpu_context.sp = (unsigned long)childregs; - thread->cpu_context.pc = (unsigned long)ret_from_fork; - - if (clone_flags & CLONE_SETTLS) - childregs->UCreg_16 = regs->UCreg_03; + if (unlikely(!regs)) { + thread->cpu_context.pc = (unsigned long)ret_from_kernel_thread; + thread->cpu_context.r4 = stack_start; + thread->cpu_context.r5 = stk_sz; + memset(childregs, 0, sizeof(struct pt_regs)); + } else { + thread->cpu_context.pc = (unsigned long)ret_from_fork; + *childregs = *regs; + childregs->UCreg_00 = 0; + childregs->UCreg_sp = stack_start; + if (clone_flags & CLONE_SETTLS) + childregs->UCreg_16 = regs->UCreg_03; + } return 0; } @@ -305,42 +311,6 @@ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fp) } EXPORT_SYMBOL(dump_fpu); -/* - * Shuffle the argument into the correct register before calling the - * thread function. r1 is the thread argument, r2 is the pointer to - * the thread function, and r3 points to the exit function. - */ -asm(".pushsection .text\n" -" .align\n" -" .type kernel_thread_helper, #function\n" -"kernel_thread_helper:\n" -" mov.a asr, r7\n" -" mov r0, r4\n" -" mov lr, r6\n" -" mov pc, r5\n" -" .size kernel_thread_helper, . - kernel_thread_helper\n" -" .popsection"); - -/* - * Create a kernel thread. - */ -pid_t kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) -{ - struct pt_regs regs; - - memset(®s, 0, sizeof(regs)); - - regs.UCreg_04 = (unsigned long)arg; - regs.UCreg_05 = (unsigned long)fn; - regs.UCreg_06 = (unsigned long)do_exit; - regs.UCreg_07 = PRIV_MODE; - regs.UCreg_pc = (unsigned long)kernel_thread_helper; - regs.UCreg_asr = regs.UCreg_07 | PSR_I_BIT; - - return do_fork(flags|CLONE_VM|CLONE_UNTRACED, 0, ®s, 0, NULL, NULL); -} -EXPORT_SYMBOL(kernel_thread); - unsigned long get_wchan(struct task_struct *p) { struct stackframe frame; diff --git a/arch/unicore32/kernel/setup.h b/arch/unicore32/kernel/setup.h index f23955028a1..30f749da8f7 100644 --- a/arch/unicore32/kernel/setup.h +++ b/arch/unicore32/kernel/setup.h @@ -30,4 +30,10 @@ extern char __vectors_start[], __vectors_end[]; extern void kernel_thread_helper(void); extern void __init early_signal_init(void); + +extern asmlinkage void __backtrace(void); +extern asmlinkage void c_backtrace(unsigned long fp, int pmode); + +extern void __show_regs(struct pt_regs *); + #endif diff --git a/arch/unicore32/kernel/sys.c b/arch/unicore32/kernel/sys.c index fabdee96110..9680134b31f 100644 --- a/arch/unicore32/kernel/sys.c +++ b/arch/unicore32/kernel/sys.c @@ -42,69 +42,6 @@ asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp, parent_tid, child_tid); } -/* sys_execve() executes a new program. - * This is called indirectly via a small wrapper - */ -asmlinkage long __sys_execve(const char __user *filename, - const char __user *const __user *argv, - const char __user *const __user *envp, - struct pt_regs *regs) -{ - int error; - struct filename *fn; - - fn = getname(filename); - error = PTR_ERR(fn); - if (IS_ERR(fn)) - goto out; - error = do_execve(fn->name, argv, envp, regs); - putname(fn); -out: - return error; -} - -int kernel_execve(const char *filename, - const char *const argv[], - const char *const envp[]) -{ - struct pt_regs regs; - int ret; - - memset(®s, 0, sizeof(struct pt_regs)); - ret = do_execve(filename, - (const char __user *const __user *)argv, - (const char __user *const __user *)envp, ®s); - if (ret < 0) - goto out; - - /* - * Save argc to the register structure for userspace. - */ - regs.UCreg_00 = ret; - - /* - * We were successful. We won't be returning to our caller, but - * instead to user space by manipulating the kernel stack. - */ - asm("add r0, %0, %1\n\t" - "mov r1, %2\n\t" - "mov r2, %3\n\t" - "mov r22, #0\n\t" /* not a syscall */ - "mov r23, %0\n\t" /* thread structure */ - "b.l memmove\n\t" /* copy regs to top of stack */ - "mov sp, r0\n\t" /* reposition stack pointer */ - "b ret_to_user" - : - : "r" (current_thread_info()), - "Ir" (THREAD_START_SP - sizeof(regs)), - "r" (®s), - "Ir" (sizeof(regs)) - : "r0", "r1", "r2", "r3", "ip", "lr", "memory"); - - out: - return ret; -} - /* Note: used by the compat code even in 64-bit Linux. */ SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len, unsigned long, prot, unsigned long, flags, diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c index 2eeb9c04cab..f9b5c10bcce 100644 --- a/arch/unicore32/mm/fault.c +++ b/arch/unicore32/mm/fault.c @@ -168,7 +168,7 @@ static inline bool access_error(unsigned int fsr, struct vm_area_struct *vma) } static int __do_pf(struct mm_struct *mm, unsigned long addr, unsigned int fsr, - struct task_struct *tsk) + unsigned int flags, struct task_struct *tsk) { struct vm_area_struct *vma; int fault; @@ -194,14 +194,7 @@ good_area: * If for any reason at all we couldn't handle the fault, make * sure we exit gracefully rather than endlessly redo the fault. */ - fault = handle_mm_fault(mm, vma, addr & PAGE_MASK, - (!(fsr ^ 0x12)) ? FAULT_FLAG_WRITE : 0); - if (unlikely(fault & VM_FAULT_ERROR)) - return fault; - if (fault & VM_FAULT_MAJOR) - tsk->maj_flt++; - else - tsk->min_flt++; + fault = handle_mm_fault(mm, vma, addr & PAGE_MASK, flags); return fault; check_stack: @@ -216,6 +209,8 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) struct task_struct *tsk; struct mm_struct *mm; int fault, sig, code; + unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | + ((!(fsr ^ 0x12)) ? FAULT_FLAG_WRITE : 0); tsk = current; mm = tsk->mm; @@ -236,6 +231,7 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) if (!user_mode(regs) && !search_exception_tables(regs->UCreg_pc)) goto no_context; +retry: down_read(&mm->mmap_sem); } else { /* @@ -251,7 +247,28 @@ static int do_pf(unsigned long addr, unsigned int fsr, struct pt_regs *regs) #endif } - fault = __do_pf(mm, addr, fsr, tsk); + fault = __do_pf(mm, addr, fsr, flags, tsk); + + /* If we need to retry but a fatal signal is pending, handle the + * signal first. We do not need to release the mmap_sem because + * it would already be released in __lock_page_or_retry in + * mm/filemap.c. */ + if ((fault & VM_FAULT_RETRY) && fatal_signal_pending(current)) + return 0; + + if (!(fault & VM_FAULT_ERROR) && (flags & FAULT_FLAG_ALLOW_RETRY)) { + if (fault & VM_FAULT_MAJOR) + tsk->maj_flt++; + else + tsk->min_flt++; + if (fault & VM_FAULT_RETRY) { + /* Clear FAULT_FLAG_ALLOW_RETRY to avoid any risk + * of starvation. */ + flags &= ~FAULT_FLAG_ALLOW_RETRY; + goto retry; + } + } + up_read(&mm->mmap_sem); /* diff --git a/arch/x86/include/asm/xen/hypercall.h b/arch/x86/include/asm/xen/hypercall.h index 59c226d120c..c20d1ce62dc 100644 --- a/arch/x86/include/asm/xen/hypercall.h +++ b/arch/x86/include/asm/xen/hypercall.h @@ -359,18 +359,14 @@ HYPERVISOR_update_va_mapping(unsigned long va, pte_t new_val, return _hypercall4(int, update_va_mapping, va, new_val.pte, new_val.pte >> 32, flags); } +extern int __must_check xen_event_channel_op_compat(int, void *); static inline int HYPERVISOR_event_channel_op(int cmd, void *arg) { int rc = _hypercall2(int, event_channel_op, cmd, arg); - if (unlikely(rc == -ENOSYS)) { - struct evtchn_op op; - op.cmd = cmd; - memcpy(&op.u, arg, sizeof(op.u)); - rc = _hypercall1(int, event_channel_op_compat, &op); - memcpy(arg, &op.u, sizeof(op.u)); - } + if (unlikely(rc == -ENOSYS)) + rc = xen_event_channel_op_compat(cmd, arg); return rc; } @@ -386,17 +382,14 @@ HYPERVISOR_console_io(int cmd, int count, char *str) return _hypercall3(int, console_io, cmd, count, str); } +extern int __must_check HYPERVISOR_physdev_op_compat(int, void *); + static inline int HYPERVISOR_physdev_op(int cmd, void *arg) { int rc = _hypercall2(int, physdev_op, cmd, arg); - if (unlikely(rc == -ENOSYS)) { - struct physdev_op op; - op.cmd = cmd; - memcpy(&op.u, arg, sizeof(op.u)); - rc = _hypercall1(int, physdev_op_compat, &op); - memcpy(arg, &op.u, sizeof(op.u)); - } + if (unlikely(rc == -ENOSYS)) + rc = HYPERVISOR_physdev_op_compat(cmd, arg); return rc; } diff --git a/arch/x86/include/asm/xen/hypervisor.h b/arch/x86/include/asm/xen/hypervisor.h index 66d0fff1ee8..125f344f06a 100644 --- a/arch/x86/include/asm/xen/hypervisor.h +++ b/arch/x86/include/asm/xen/hypervisor.h @@ -33,7 +33,6 @@ #ifndef _ASM_X86_XEN_HYPERVISOR_H #define _ASM_X86_XEN_HYPERVISOR_H -/* arch/i386/kernel/setup.c */ extern struct shared_info *HYPERVISOR_shared_info; extern struct start_info *xen_start_info; diff --git a/arch/x86/kvm/cpuid.h b/arch/x86/kvm/cpuid.h index a10e4601685..58fc5148882 100644 --- a/arch/x86/kvm/cpuid.h +++ b/arch/x86/kvm/cpuid.h @@ -24,6 +24,9 @@ static inline bool guest_cpuid_has_xsave(struct kvm_vcpu *vcpu) { struct kvm_cpuid_entry2 *best; + if (!static_cpu_has(X86_FEATURE_XSAVE)) + return 0; + best = kvm_find_cpuid_entry(vcpu, 1, 0); return best && (best->ecx & bit(X86_FEATURE_XSAVE)); } diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index ad6b1dd06f8..f85815945fc 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -6549,19 +6549,22 @@ static void vmx_cpuid_update(struct kvm_vcpu *vcpu) } } - exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); /* Exposing INVPCID only when PCID is exposed */ best = kvm_find_cpuid_entry(vcpu, 0x7, 0); if (vmx_invpcid_supported() && best && (best->ebx & bit(X86_FEATURE_INVPCID)) && guest_cpuid_has_pcid(vcpu)) { + exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); exec_control |= SECONDARY_EXEC_ENABLE_INVPCID; vmcs_write32(SECONDARY_VM_EXEC_CONTROL, exec_control); } else { - exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID; - vmcs_write32(SECONDARY_VM_EXEC_CONTROL, - exec_control); + if (cpu_has_secondary_exec_ctrls()) { + exec_control = vmcs_read32(SECONDARY_VM_EXEC_CONTROL); + exec_control &= ~SECONDARY_EXEC_ENABLE_INVPCID; + vmcs_write32(SECONDARY_VM_EXEC_CONTROL, + exec_control); + } if (best) best->ebx &= ~bit(X86_FEATURE_INVPCID); } diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1eefebe5d72..4f7641756be 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -3779,7 +3779,7 @@ static int write_exit_mmio(struct kvm_vcpu *vcpu, gpa_t gpa, { struct kvm_mmio_fragment *frag = &vcpu->mmio_fragments[0]; - memcpy(vcpu->run->mmio.data, frag->data, frag->len); + memcpy(vcpu->run->mmio.data, frag->data, min(8u, frag->len)); return X86EMUL_CONTINUE; } @@ -3832,18 +3832,11 @@ mmio: bytes -= handled; val += handled; - while (bytes) { - unsigned now = min(bytes, 8U); - - frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; - frag->gpa = gpa; - frag->data = val; - frag->len = now; - - gpa += now; - val += now; - bytes -= now; - } + WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS); + frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++]; + frag->gpa = gpa; + frag->data = val; + frag->len = bytes; return X86EMUL_CONTINUE; } @@ -3890,7 +3883,7 @@ int emulator_read_write(struct x86_emulate_ctxt *ctxt, unsigned long addr, vcpu->mmio_needed = 1; vcpu->mmio_cur_fragment = 0; - vcpu->run->mmio.len = vcpu->mmio_fragments[0].len; + vcpu->run->mmio.len = min(8u, vcpu->mmio_fragments[0].len); vcpu->run->mmio.is_write = vcpu->mmio_is_write = ops->write; vcpu->run->exit_reason = KVM_EXIT_MMIO; vcpu->run->mmio.phys_addr = gpa; @@ -5522,28 +5515,44 @@ static int complete_emulated_pio(struct kvm_vcpu *vcpu) * * read: * for each fragment - * write gpa, len - * exit - * copy data + * for each mmio piece in the fragment + * write gpa, len + * exit + * copy data * execute insn * * write: * for each fragment - * write gpa, len - * copy data - * exit + * for each mmio piece in the fragment + * write gpa, len + * copy data + * exit */ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) { struct kvm_run *run = vcpu->run; struct kvm_mmio_fragment *frag; + unsigned len; BUG_ON(!vcpu->mmio_needed); /* Complete previous fragment */ - frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment++]; + frag = &vcpu->mmio_fragments[vcpu->mmio_cur_fragment]; + len = min(8u, frag->len); if (!vcpu->mmio_is_write) - memcpy(frag->data, run->mmio.data, frag->len); + memcpy(frag->data, run->mmio.data, len); + + if (frag->len <= 8) { + /* Switch to the next fragment. */ + frag++; + vcpu->mmio_cur_fragment++; + } else { + /* Go forward to the next mmio piece. */ + frag->data += len; + frag->gpa += len; + frag->len -= len; + } + if (vcpu->mmio_cur_fragment == vcpu->mmio_nr_fragments) { vcpu->mmio_needed = 0; if (vcpu->mmio_is_write) @@ -5551,13 +5560,12 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu) vcpu->mmio_read_completed = 1; return complete_emulated_io(vcpu); } - /* Initiate next fragment */ - ++frag; + run->exit_reason = KVM_EXIT_MMIO; run->mmio.phys_addr = frag->gpa; if (vcpu->mmio_is_write) - memcpy(run->mmio.data, frag->data, frag->len); - run->mmio.len = frag->len; + memcpy(run->mmio.data, frag->data, min(8u, frag->len)); + run->mmio.len = min(8u, frag->len); run->mmio.is_write = vcpu->mmio_is_write; vcpu->arch.complete_userspace_io = complete_emulated_mmio; return 0; @@ -5773,6 +5781,9 @@ int kvm_arch_vcpu_ioctl_set_sregs(struct kvm_vcpu *vcpu, int pending_vec, max_bits, idx; struct desc_ptr dt; + if (!guest_cpuid_has_xsave(vcpu) && (sregs->cr4 & X86_CR4_OSXSAVE)) + return -EINVAL; + dt.size = sregs->idt.limit; dt.address = sregs->idt.base; kvm_x86_ops->set_idt(vcpu, &dt); diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 6226c99729b..dcf5f2dd91e 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1288,6 +1288,25 @@ unsigned long xen_read_cr2_direct(void) return this_cpu_read(xen_vcpu_info.arch.cr2); } +void xen_flush_tlb_all(void) +{ + struct mmuext_op *op; + struct multicall_space mcs; + + trace_xen_mmu_flush_tlb_all(0); + + preempt_disable(); + + mcs = xen_mc_entry(sizeof(*op)); + + op = mcs.args; + op->cmd = MMUEXT_TLB_FLUSH_ALL; + MULTI_mmuext_op(mcs.mc, op, 1, NULL, DOMID_SELF); + + xen_mc_issue(PARAVIRT_LAZY_MMU); + + preempt_enable(); +} static void xen_flush_tlb(void) { struct mmuext_op *op; @@ -2518,7 +2537,7 @@ int xen_remap_domain_mfn_range(struct vm_area_struct *vma, err = 0; out: - flush_tlb_all(); + xen_flush_tlb_all(); return err; } diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index cdcb48adee4..0d1f36a22c9 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -13,6 +13,8 @@ config XTENSA select GENERIC_CPU_DEVICES select MODULES_USE_ELF_RELA select GENERIC_PCI_IOMAP + select GENERIC_KERNEL_THREAD + select GENERIC_KERNEL_EXECVE select ARCH_WANT_OPTIONAL_GPIOLIB help Xtensa processors are 32-bit RISC machines designed by Tensilica diff --git a/arch/xtensa/include/asm/io.h b/arch/xtensa/include/asm/io.h index e6be5b9091c..700c2e6f2d2 100644 --- a/arch/xtensa/include/asm/io.h +++ b/arch/xtensa/include/asm/io.h @@ -62,6 +62,10 @@ static inline void __iomem *ioremap(unsigned long offset, unsigned long size) static inline void iounmap(volatile void __iomem *addr) { } + +#define virt_to_bus virt_to_phys +#define bus_to_virt phys_to_virt + #endif /* CONFIG_MMU */ /* diff --git a/arch/xtensa/include/asm/processor.h b/arch/xtensa/include/asm/processor.h index 5c371d8d452..2d630e7399c 100644 --- a/arch/xtensa/include/asm/processor.h +++ b/arch/xtensa/include/asm/processor.h @@ -152,6 +152,7 @@ struct thread_struct { /* Clearing a0 terminates the backtrace. */ #define start_thread(regs, new_pc, new_sp) \ + memset(regs, 0, sizeof(*regs)); \ regs->pc = new_pc; \ regs->ps = USER_PS_VALUE; \ regs->areg[1] = new_sp; \ @@ -168,9 +169,6 @@ struct mm_struct; /* Free all resources held by a thread. */ #define release_thread(thread) do { } while(0) -/* Create a kernel thread without removing it from tasklists */ -extern int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags); - /* Copy and release all segment info associated with a VM */ #define copy_segments(p, mm) do { } while(0) #define release_segments(mm) do { } while(0) diff --git a/arch/xtensa/include/asm/syscall.h b/arch/xtensa/include/asm/syscall.h index c1dacca312f..124aeee0d38 100644 --- a/arch/xtensa/include/asm/syscall.h +++ b/arch/xtensa/include/asm/syscall.h @@ -10,7 +10,7 @@ struct pt_regs; struct sigaction; -asmlinkage long xtensa_execve(char*, char**, char**, struct pt_regs*); +asmlinkage long sys_execve(char*, char**, char**, struct pt_regs*); asmlinkage long xtensa_clone(unsigned long, unsigned long, struct pt_regs*); asmlinkage long xtensa_ptrace(long, long, long, long); asmlinkage long xtensa_sigreturn(struct pt_regs*); diff --git a/arch/xtensa/include/asm/unistd.h b/arch/xtensa/include/asm/unistd.h index 9ef1c31d2c8..f4e6eaa40d1 100644 --- a/arch/xtensa/include/asm/unistd.h +++ b/arch/xtensa/include/asm/unistd.h @@ -1,16 +1,9 @@ -/* - * include/asm-xtensa/unistd.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2005 Tensilica Inc. - */ +#ifndef _XTENSA_UNISTD_H +#define _XTENSA_UNISTD_H +#define __ARCH_WANT_SYS_EXECVE #include <uapi/asm/unistd.h> - /* * "Conditional" syscalls * @@ -37,3 +30,5 @@ #define __IGNORE_mmap /* use mmap2 */ #define __IGNORE_vfork /* use clone */ #define __IGNORE_fadvise64 /* use fadvise64_64 */ + +#endif /* _XTENSA_UNISTD_H */ diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index 479abaea5aa..9f36d0e3e0a 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -1,14 +1,4 @@ -/* - * include/asm-xtensa/unistd.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2001 - 2012 Tensilica Inc. - */ - -#ifndef _UAPI_XTENSA_UNISTD_H +#if !defined(_UAPI_XTENSA_UNISTD_H) || defined(__SYSCALL) #define _UAPI_XTENSA_UNISTD_H #ifndef __SYSCALL @@ -272,7 +262,7 @@ __SYSCALL(115, sys_sendmmsg, 4) #define __NR_clone 116 __SYSCALL(116, xtensa_clone, 5) #define __NR_execve 117 -__SYSCALL(117, xtensa_execve, 3) +__SYSCALL(117, sys_execve, 3) #define __NR_exit 118 __SYSCALL(118, sys_exit, 1) #define __NR_exit_group 119 @@ -759,4 +749,6 @@ __SYSCALL(331, sys_kcmp, 5) #define SYS_XTENSA_COUNT 5 /* count */ +#undef __SYSCALL + #endif /* _UAPI_XTENSA_UNISTD_H */ diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index 18453067c25..90bfc1dbc13 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -1833,50 +1833,6 @@ ENTRY(system_call) /* - * Create a kernel thread - * - * int kernel_thread(int (*fn)(void *), void *arg, unsigned long flags) - * a2 a2 a3 a4 - */ - -ENTRY(kernel_thread) - entry a1, 16 - - mov a5, a2 # preserve fn over syscall - mov a7, a3 # preserve args over syscall - - movi a3, _CLONE_VM | _CLONE_UNTRACED - movi a2, __NR_clone - or a6, a4, a3 # arg0: flags - mov a3, a1 # arg1: sp - syscall - - beq a3, a1, 1f # branch if parent - mov a6, a7 # args - callx4 a5 # fn(args) - - movi a2, __NR_exit - syscall # return value of fn(args) still in a6 - -1: retw - -/* - * Do a system call from kernel instead of calling sys_execve, so we end up - * with proper pt_regs. - * - * int kernel_execve(const char *fname, char *const argv[], charg *const envp[]) - * a2 a2 a3 a4 - */ - -ENTRY(kernel_execve) - entry a1, 16 - mov a6, a2 # arg0 is in a6 - movi a2, __NR_execve - syscall - - retw - -/* * Task switch. * * struct task* _switch_to (struct task* prev, struct task* next) @@ -1958,3 +1914,16 @@ ENTRY(ret_from_fork) j common_exception_return +/* + * Kernel thread creation helper + * On entry, set up by copy_thread: a2 = thread_fn, a3 = thread_fn arg + * left from _switch_to: a6 = prev + */ +ENTRY(ret_from_kernel_thread) + + call4 schedule_tail + mov a6, a3 + callx4 a2 + j common_exception_return + +ENDPROC(ret_from_kernel_thread) diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c index 1908f6642d3..09ae7bfab9a 100644 --- a/arch/xtensa/kernel/process.c +++ b/arch/xtensa/kernel/process.c @@ -45,6 +45,7 @@ #include <asm/regs.h> extern void ret_from_fork(void); +extern void ret_from_kernel_thread(void); struct task_struct *current_set[NR_CPUS] = {&init_task, }; @@ -158,18 +159,30 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) /* * Copy thread. * + * There are two modes in which this function is called: + * 1) Userspace thread creation, + * regs != NULL, usp_thread_fn is userspace stack pointer. + * It is expected to copy parent regs (in case CLONE_VM is not set + * in the clone_flags) and set up passed usp in the childregs. + * 2) Kernel thread creation, + * regs == NULL, usp_thread_fn is the function to run in the new thread + * and thread_fn_arg is its parameter. + * childregs are not used for the kernel threads. + * * The stack layout for the new thread looks like this: * - * +------------------------+ <- sp in childregs (= tos) + * +------------------------+ * | childregs | * +------------------------+ <- thread.sp = sp in dummy-frame * | dummy-frame | (saved in dummy-frame spill-area) * +------------------------+ * - * We create a dummy frame to return to ret_from_fork: - * a0 points to ret_from_fork (simulating a call4) + * We create a dummy frame to return to either ret_from_fork or + * ret_from_kernel_thread: + * a0 points to ret_from_fork/ret_from_kernel_thread (simulating a call4) * sp points to itself (thread.sp) - * a2, a3 are unused. + * a2, a3 are unused for userspace threads, + * a2 points to thread_fn, a3 holds thread_fn arg for kernel threads. * * Note: This is a pristine frame, so we don't need any spill region on top of * childregs. @@ -185,43 +198,63 @@ int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) * involved. Much simpler to just not copy those live frames across. */ -int copy_thread(unsigned long clone_flags, unsigned long usp, - unsigned long unused, - struct task_struct * p, struct pt_regs * regs) +int copy_thread(unsigned long clone_flags, unsigned long usp_thread_fn, + unsigned long thread_fn_arg, + struct task_struct *p, struct pt_regs *unused) { - struct pt_regs *childregs; - unsigned long tos; - int user_mode = user_mode(regs); + struct pt_regs *childregs = task_pt_regs(p); #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS) struct thread_info *ti; #endif - /* Set up new TSS. */ - tos = (unsigned long)task_stack_page(p) + THREAD_SIZE; - if (user_mode) - childregs = (struct pt_regs*)(tos - PT_USER_SIZE); - else - childregs = (struct pt_regs*)tos - 1; - - /* This does not copy all the regs. In a bout of brilliance or madness, - ARs beyond a0-a15 exist past the end of the struct. */ - *childregs = *regs; - /* Create a call4 dummy-frame: a0 = 0, a1 = childregs. */ *((int*)childregs - 3) = (unsigned long)childregs; *((int*)childregs - 4) = 0; - childregs->areg[2] = 0; - p->set_child_tid = p->clear_child_tid = NULL; - p->thread.ra = MAKE_RA_FOR_CALL((unsigned long)ret_from_fork, 0x1); p->thread.sp = (unsigned long)childregs; - if (user_mode(regs)) { + if (!(p->flags & PF_KTHREAD)) { + struct pt_regs *regs = current_pt_regs(); + unsigned long usp = usp_thread_fn ? + usp_thread_fn : regs->areg[1]; + p->thread.ra = MAKE_RA_FOR_CALL( + (unsigned long)ret_from_fork, 0x1); + + /* This does not copy all the regs. + * In a bout of brilliance or madness, + * ARs beyond a0-a15 exist past the end of the struct. + */ + *childregs = *regs; childregs->areg[1] = usp; + childregs->areg[2] = 0; + + /* When sharing memory with the parent thread, the child + usually starts on a pristine stack, so we have to reset + windowbase, windowstart and wmask. + (Note that such a new thread is required to always create + an initial call4 frame) + The exception is vfork, where the new thread continues to + run on the parent's stack until it calls execve. This could + be a call8 or call12, which requires a legal stack frame + of the previous caller for the overflow handlers to work. + (Note that it's always legal to overflow live registers). + In this case, ensure to spill at least the stack pointer + of that frame. */ + if (clone_flags & CLONE_VM) { - childregs->wmask = 1; /* can't share live windows */ + /* check that caller window is live and same stack */ + int len = childregs->wmask & ~0xf; + if (regs->areg[1] == usp && len != 0) { + int callinc = (regs->areg[0] >> 30) & 3; + int caller_ars = XCHAL_NUM_AREGS - callinc * 4; + put_user(regs->areg[caller_ars+1], + (unsigned __user*)(usp - 12)); + } + childregs->wmask = 1; + childregs->windowstart = 1; + childregs->windowbase = 0; } else { int len = childregs->wmask & ~0xf; memcpy(&childregs->areg[XCHAL_NUM_AREGS - len/4], @@ -230,11 +263,19 @@ int copy_thread(unsigned long clone_flags, unsigned long usp, // FIXME: we need to set THREADPTR in thread_info... if (clone_flags & CLONE_SETTLS) childregs->areg[2] = childregs->areg[6]; - } else { - /* In kernel space, we start a new thread with a new stack. */ - childregs->wmask = 1; - childregs->areg[1] = tos; + p->thread.ra = MAKE_RA_FOR_CALL( + (unsigned long)ret_from_kernel_thread, 1); + + /* pass parameters to ret_from_kernel_thread: + * a2 = thread_fn, a3 = thread_fn arg + */ + *((int *)childregs - 1) = thread_fn_arg; + *((int *)childregs - 2) = usp_thread_fn; + + /* Childregs are only used when we're going to userspace + * in which case start_thread will set them up. + */ } #if (XTENSA_HAVE_COPROCESSORS || XTENSA_HAVE_IO_PORTS) @@ -330,32 +371,5 @@ long xtensa_clone(unsigned long clone_flags, unsigned long newsp, void __user *child_tid, long a5, struct pt_regs *regs) { - if (!newsp) - newsp = regs->areg[1]; return do_fork(clone_flags, newsp, regs, 0, parent_tid, child_tid); } - -/* - * xtensa_execve() executes a new program. - */ - -asmlinkage -long xtensa_execve(const char __user *name, - const char __user *const __user *argv, - const char __user *const __user *envp, - long a3, long a4, long a5, - struct pt_regs *regs) -{ - long error; - struct filename *filename; - - filename = getname(name); - error = PTR_ERR(filename); - if (IS_ERR(filename)) - goto out; - error = do_execve(filename->name, argv, envp, regs); - putname(filename); -out: - return error; -} - diff --git a/arch/xtensa/kernel/syscall.c b/arch/xtensa/kernel/syscall.c index a5c01e74d5d..5702065f472 100644 --- a/arch/xtensa/kernel/syscall.c +++ b/arch/xtensa/kernel/syscall.c @@ -32,10 +32,8 @@ typedef void (*syscall_t)(void); syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= { [0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall, -#undef __SYSCALL #define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol, -#undef __KERNEL_SYSCALLS__ -#include <asm/unistd.h> +#include <uapi/asm/unistd.h> }; asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) @@ -49,7 +47,8 @@ asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) return (long)ret; } -asmlinkage long xtensa_fadvise64_64(int fd, int advice, unsigned long long offset, unsigned long long len) +asmlinkage long xtensa_fadvise64_64(int fd, int advice, + unsigned long long offset, unsigned long long len) { return sys_fadvise64_64(fd, offset, len, advice); } diff --git a/arch/xtensa/kernel/xtensa_ksyms.c b/arch/xtensa/kernel/xtensa_ksyms.c index a8b9f1fd1e1..afe058b24e6 100644 --- a/arch/xtensa/kernel/xtensa_ksyms.c +++ b/arch/xtensa/kernel/xtensa_ksyms.c @@ -43,7 +43,6 @@ EXPORT_SYMBOL(__strncpy_user); EXPORT_SYMBOL(clear_page); EXPORT_SYMBOL(copy_page); -EXPORT_SYMBOL(kernel_thread); EXPORT_SYMBOL(empty_zero_page); /* diff --git a/block/Kconfig b/block/Kconfig index 09acf1b3990..a7e40a7c821 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -89,7 +89,7 @@ config BLK_DEV_INTEGRITY config BLK_DEV_THROTTLING bool "Block layer bio throttling support" - depends on BLK_CGROUP=y && EXPERIMENTAL + depends on BLK_CGROUP=y default n ---help--- Block layer bio throttling support. It can be used to limit diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index cafcd743118..d0b770391ad 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -285,6 +285,13 @@ static void blkg_destroy_all(struct request_queue *q) blkg_destroy(blkg); spin_unlock(&blkcg->lock); } + + /* + * root blkg is destroyed. Just clear the pointer since + * root_rl does not take reference on root blkg. + */ + q->root_blkg = NULL; + q->root_rl.blkg = NULL; } static void blkg_rcu_free(struct rcu_head *rcu_head) @@ -326,6 +333,9 @@ struct request_list *__blk_queue_next_rl(struct request_list *rl, */ if (rl == &q->root_rl) { ent = &q->blkg_list; + /* There are no more block groups, hence no request lists */ + if (list_empty(ent)) + return NULL; } else { blkg = container_of(rl, struct blkcg_gq, rl); ent = &blkg->q_node; diff --git a/block/blk-core.c b/block/blk-core.c index a33870b1847..3c95c4d6e31 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -2868,7 +2868,8 @@ static int plug_rq_cmp(void *priv, struct list_head *a, struct list_head *b) struct request *rqa = container_of(a, struct request, queuelist); struct request *rqb = container_of(b, struct request, queuelist); - return !(rqa->q <= rqb->q); + return !(rqa->q < rqb->q || + (rqa->q == rqb->q && blk_rq_pos(rqa) < blk_rq_pos(rqb))); } /* diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 671d4d6d14d..7bdd61b867c 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -137,13 +137,18 @@ static void cryptd_queue_worker(struct work_struct *work) struct crypto_async_request *req, *backlog; cpu_queue = container_of(work, struct cryptd_cpu_queue, work); - /* Only handle one request at a time to avoid hogging crypto - * workqueue. preempt_disable/enable is used to prevent - * being preempted by cryptd_enqueue_request() */ + /* + * Only handle one request at a time to avoid hogging crypto workqueue. + * preempt_disable/enable is used to prevent being preempted by + * cryptd_enqueue_request(). local_bh_disable/enable is used to prevent + * cryptd_enqueue_request() being accessed from software interrupts. + */ + local_bh_disable(); preempt_disable(); backlog = crypto_get_backlog(&cpu_queue->queue); req = crypto_dequeue_request(&cpu_queue->queue); preempt_enable(); + local_bh_enable(); if (!req) return; diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f94d4c818fc..0230cb6cbb3 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1345,12 +1345,15 @@ static int acpi_video_bus_get_devices(struct acpi_video_bus *video, struct acpi_device *device) { - int status; + int status = 0; struct acpi_device *dev; - status = acpi_video_device_enumerate(video); - if (status) - return status; + /* + * There are systems where video module known to work fine regardless + * of broken _DOD and ignoring returned value here doesn't cause + * any issues later. + */ + acpi_video_device_enumerate(video); list_for_each_entry(dev, &device->children, node) { diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 8727e9c5eea..72c776f2a1f 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -83,9 +83,16 @@ EXPORT_SYMBOL_GPL(platform_get_resource); */ int platform_get_irq(struct platform_device *dev, unsigned int num) { +#ifdef CONFIG_SPARC + /* sparc does not have irqs represented as IORESOURCE_IRQ resources */ + if (!dev || num >= dev->archdata.num_irqs) + return -ENXIO; + return dev->archdata.irqs[num]; +#else struct resource *r = platform_get_resource(dev, IORESOURCE_IRQ, num); return r ? r->start : -ENXIO; +#endif } EXPORT_SYMBOL_GPL(platform_get_irq); diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig index f529407db93..824e09c4d0d 100644 --- a/drivers/block/Kconfig +++ b/drivers/block/Kconfig @@ -131,6 +131,7 @@ config BLK_CPQ_DA config BLK_CPQ_CISS_DA tristate "Compaq Smart Array 5xxx support" depends on PCI + select CHECK_SIGNATURE help This is the driver for Compaq Smart Array 5xxx controllers. Everyone using these boards should say Y here. @@ -166,8 +167,8 @@ config BLK_DEV_DAC960 module will be called DAC960. config BLK_DEV_UMEM - tristate "Micro Memory MM5415 Battery Backed RAM support (EXPERIMENTAL)" - depends on PCI && EXPERIMENTAL + tristate "Micro Memory MM5415 Battery Backed RAM support" + depends on PCI ---help--- Saying Y here will include support for the MM5415 family of battery backed (Non-volatile) RAM cards. @@ -430,8 +431,8 @@ config CDROM_PKTCDVD_BUFFERS a disc is opened for writing. config CDROM_PKTCDVD_WCACHE - bool "Enable write caching (EXPERIMENTAL)" - depends on CDROM_PKTCDVD && EXPERIMENTAL + bool "Enable write caching" + depends on CDROM_PKTCDVD help If enabled, write caching will be set for the CD-R/W device. For now this option is dangerous unless the CD-RW media is known good, as we @@ -508,8 +509,8 @@ config XEN_BLKDEV_BACKEND config VIRTIO_BLK - tristate "Virtio block driver (EXPERIMENTAL)" - depends on EXPERIMENTAL && VIRTIO + tristate "Virtio block driver" + depends on VIRTIO ---help--- This is the virtual block driver for virtio. It can be used with lguest or QEMU based VMMs (like KVM or Xen). Say Y or M. @@ -528,7 +529,7 @@ config BLK_DEV_HD config BLK_DEV_RBD tristate "Rados block device (RBD)" - depends on INET && EXPERIMENTAL && BLOCK + depends on INET && BLOCK select CEPH_LIB select LIBCRC32C select CRYPTO_AES diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index b0f553b26d0..ca83f96756a 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -5205,7 +5205,6 @@ static void cciss_shutdown(struct pci_dev *pdev) return; } /* write all data in the battery backed cache to disk */ - memset(flush_buf, 0, 4); return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, 4, 0, CTLR_LUNID, TYPE_CMD); kfree(flush_buf); diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 17c675c5229..1c49d717396 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4109,12 +4109,19 @@ static struct platform_driver floppy_driver = { static struct platform_device floppy_device[N_DRIVE]; +static bool floppy_available(int drive) +{ + if (!(allowed_drive_mask & (1 << drive))) + return false; + if (fdc_state[FDC(drive)].version == FDC_NONE) + return false; + return true; +} + static struct kobject *floppy_find(dev_t dev, int *part, void *data) { int drive = (*part & 3) | ((*part & 0x80) >> 5); - if (drive >= N_DRIVE || - !(allowed_drive_mask & (1 << drive)) || - fdc_state[FDC(drive)].version == FDC_NONE) + if (drive >= N_DRIVE || !floppy_available(drive)) return NULL; if (((*part >> 2) & 0x1f) >= ARRAY_SIZE(floppy_type)) return NULL; @@ -4124,8 +4131,7 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data) static int __init do_floppy_init(void) { - int i, unit, drive; - int err, dr; + int i, unit, drive, err; set_debugt(); interruptjiffies = resultjiffies = jiffies; @@ -4137,34 +4143,32 @@ static int __init do_floppy_init(void) raw_cmd = NULL; - for (dr = 0; dr < N_DRIVE; dr++) { - disks[dr] = alloc_disk(1); - if (!disks[dr]) { - err = -ENOMEM; - goto out_put_disk; - } + floppy_wq = alloc_ordered_workqueue("floppy", 0); + if (!floppy_wq) + return -ENOMEM; - floppy_wq = alloc_ordered_workqueue("floppy", 0); - if (!floppy_wq) { + for (drive = 0; drive < N_DRIVE; drive++) { + disks[drive] = alloc_disk(1); + if (!disks[drive]) { err = -ENOMEM; goto out_put_disk; } - disks[dr]->queue = blk_init_queue(do_fd_request, &floppy_lock); - if (!disks[dr]->queue) { + disks[drive]->queue = blk_init_queue(do_fd_request, &floppy_lock); + if (!disks[drive]->queue) { err = -ENOMEM; - goto out_destroy_workq; + goto out_put_disk; } - blk_queue_max_hw_sectors(disks[dr]->queue, 64); - disks[dr]->major = FLOPPY_MAJOR; - disks[dr]->first_minor = TOMINOR(dr); - disks[dr]->fops = &floppy_fops; - sprintf(disks[dr]->disk_name, "fd%d", dr); + blk_queue_max_hw_sectors(disks[drive]->queue, 64); + disks[drive]->major = FLOPPY_MAJOR; + disks[drive]->first_minor = TOMINOR(drive); + disks[drive]->fops = &floppy_fops; + sprintf(disks[drive]->disk_name, "fd%d", drive); - init_timer(&motor_off_timer[dr]); - motor_off_timer[dr].data = dr; - motor_off_timer[dr].function = motor_off_callback; + init_timer(&motor_off_timer[drive]); + motor_off_timer[drive].data = drive; + motor_off_timer[drive].function = motor_off_callback; } err = register_blkdev(FLOPPY_MAJOR, "fd"); @@ -4282,9 +4286,7 @@ static int __init do_floppy_init(void) } for (drive = 0; drive < N_DRIVE; drive++) { - if (!(allowed_drive_mask & (1 << drive))) - continue; - if (fdc_state[FDC(drive)].version == FDC_NONE) + if (!floppy_available(drive)) continue; floppy_device[drive].name = floppy_device_name; @@ -4293,7 +4295,7 @@ static int __init do_floppy_init(void) err = platform_device_register(&floppy_device[drive]); if (err) - goto out_release_dma; + goto out_remove_drives; err = device_create_file(&floppy_device[drive].dev, &dev_attr_cmos); @@ -4311,29 +4313,34 @@ static int __init do_floppy_init(void) out_unreg_platform_dev: platform_device_unregister(&floppy_device[drive]); +out_remove_drives: + while (drive--) { + if (floppy_available(drive)) { + del_gendisk(disks[drive]); + device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); + platform_device_unregister(&floppy_device[drive]); + } + } out_release_dma: if (atomic_read(&usage_count)) floppy_release_irq_and_dma(); out_unreg_region: blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); platform_driver_unregister(&floppy_driver); -out_destroy_workq: - destroy_workqueue(floppy_wq); out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: - while (dr--) { - del_timer_sync(&motor_off_timer[dr]); - if (disks[dr]->queue) { - blk_cleanup_queue(disks[dr]->queue); - /* - * put_disk() is not paired with add_disk() and - * will put queue reference one extra time. fix it. - */ - disks[dr]->queue = NULL; + for (drive = 0; drive < N_DRIVE; drive++) { + if (!disks[drive]) + break; + if (disks[drive]->queue) { + del_timer_sync(&motor_off_timer[drive]); + blk_cleanup_queue(disks[drive]->queue); + disks[drive]->queue = NULL; } - put_disk(disks[dr]); + put_disk(disks[drive]); } + destroy_workqueue(floppy_wq); return err; } @@ -4551,8 +4558,7 @@ static void __exit floppy_module_exit(void) for (drive = 0; drive < N_DRIVE; drive++) { del_timer_sync(&motor_off_timer[drive]); - if ((allowed_drive_mask & (1 << drive)) && - fdc_state[FDC(drive)].version != FDC_NONE) { + if (floppy_available(drive)) { del_gendisk(disks[drive]); device_remove_file(&floppy_device[drive].dev, &dev_attr_cmos); platform_device_unregister(&floppy_device[drive]); diff --git a/drivers/block/loop.c b/drivers/block/loop.c index e9d594fd12c..54046e51160 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -976,8 +976,21 @@ static int loop_clr_fd(struct loop_device *lo) if (lo->lo_state != Lo_bound) return -ENXIO; - if (lo->lo_refcnt > 1) /* we needed one fd for the ioctl */ - return -EBUSY; + /* + * If we've explicitly asked to tear down the loop device, + * and it has an elevated reference count, set it for auto-teardown when + * the last reference goes away. This stops $!~#$@ udev from + * preventing teardown because it decided that it needs to run blkid on + * the loopback device whenever they appear. xfstests is notorious for + * failing tests because blkid via udev races with a losetup + * <dev>/do something like mkfs/losetup -d <dev> causing the losetup -d + * command to fail with EBUSY. + */ + if (lo->lo_refcnt > 1) { + lo->lo_flags |= LO_FLAGS_AUTOCLEAR; + mutex_unlock(&lo->lo_ctl_mutex); + return 0; + } if (filp == NULL) return -EINVAL; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index f946d31d691..adc6f36564c 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -2035,8 +2035,9 @@ static unsigned int implicit_sector(unsigned char command, } return rv; } - -static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) +static void mtip_set_timeout(struct driver_data *dd, + struct host_to_dev_fis *fis, + unsigned int *timeout, u8 erasemode) { switch (fis->command) { case ATA_CMD_DOWNLOAD_MICRO: @@ -2044,7 +2045,10 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) break; case ATA_CMD_SEC_ERASE_UNIT: case 0xFC: - *timeout = 240000; /* 4 minutes */ + if (erasemode) + *timeout = ((*(dd->port->identify + 90) * 2) * 60000); + else + *timeout = ((*(dd->port->identify + 89) * 2) * 60000); break; case ATA_CMD_STANDBYNOW1: *timeout = 120000; /* 2 minutes */ @@ -2087,6 +2091,7 @@ static int exec_drive_taskfile(struct driver_data *dd, unsigned int transfer_size; unsigned long task_file_data; int intotal = outtotal + req_task->out_size; + int erasemode = 0; taskout = req_task->out_size; taskin = req_task->in_size; @@ -2212,7 +2217,13 @@ static int exec_drive_taskfile(struct driver_data *dd, fis.lba_hi, fis.device); - mtip_set_timeout(&fis, &timeout); + /* check for erase mode support during secure erase.*/ + if ((fis.command == ATA_CMD_SEC_ERASE_UNIT) + && (outbuf[0] & MTIP_SEC_ERASE_MODE)) { + erasemode = 1; + } + + mtip_set_timeout(dd, &fis, &timeout, erasemode); /* Determine the correct transfer size.*/ if (force_single_sector) diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index 18627a1d04c..5f4a917bd8b 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -33,6 +33,9 @@ /* offset of Device Control register in PCIe extended capabilites space */ #define PCIE_CONFIG_EXT_DEVICE_CONTROL_OFFSET 0x48 +/* check for erase mode support during secure erase */ +#define MTIP_SEC_ERASE_MODE 0x3 + /* # of times to retry timed out/failed IOs */ #define MTIP_MAX_RETRIES 2 diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 9ad3b5ec1dc..9a54623e52d 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -158,8 +158,8 @@ struct xen_vbd { struct block_device *bdev; /* Cached size parameter. */ sector_t size; - bool flush_support; - bool discard_secure; + unsigned int flush_support:1; + unsigned int discard_secure:1; }; struct backend_info; diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 4f66171c668..f58434c2617 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -105,11 +105,10 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) { struct xen_blkif *blkif; - blkif = kmem_cache_alloc(xen_blkif_cachep, GFP_KERNEL); + blkif = kmem_cache_zalloc(xen_blkif_cachep, GFP_KERNEL); if (!blkif) return ERR_PTR(-ENOMEM); - memset(blkif, 0, sizeof(*blkif)); blkif->domid = domid; spin_lock_init(&blkif->blk_ring_lock); atomic_set(&blkif->refcnt, 1); @@ -196,7 +195,7 @@ static void xen_blkif_disconnect(struct xen_blkif *blkif) } } -void xen_blkif_free(struct xen_blkif *blkif) +static void xen_blkif_free(struct xen_blkif *blkif) { if (!atomic_dec_and_test(&blkif->refcnt)) BUG(); @@ -257,7 +256,7 @@ static struct attribute_group xen_vbdstat_group = { VBD_SHOW(physical_device, "%x:%x\n", be->major, be->minor); VBD_SHOW(mode, "%s\n", be->mode); -int xenvbd_sysfs_addif(struct xenbus_device *dev) +static int xenvbd_sysfs_addif(struct xenbus_device *dev) { int error; @@ -281,7 +280,7 @@ fail1: device_remove_file(&dev->dev, &dev_attr_physical_device); return error; } -void xenvbd_sysfs_delif(struct xenbus_device *dev) +static void xenvbd_sysfs_delif(struct xenbus_device *dev) { sysfs_remove_group(&dev->dev.kobj, &xen_vbdstat_group); device_remove_file(&dev->dev, &dev_attr_mode); diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index fc2de5528dc..b00000e8aef 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -67,6 +67,7 @@ static struct usb_device_id ath3k_table[] = { { USB_DEVICE(0x13d3, 0x3304) }, { USB_DEVICE(0x0930, 0x0215) }, { USB_DEVICE(0x0489, 0xE03D) }, + { USB_DEVICE(0x0489, 0xE027) }, /* Atheros AR9285 Malbec with sflash firmware */ { USB_DEVICE(0x03F0, 0x311D) }, diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index debda27df9b..ee82f2fb65f 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -124,6 +124,7 @@ static struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, + { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, /* Atheros AR9285 Malbec with sflash firmware */ { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, diff --git a/drivers/bus/omap-ocp2scp.c b/drivers/bus/omap-ocp2scp.c index ff63560b846..0c48b0e05ed 100644 --- a/drivers/bus/omap-ocp2scp.c +++ b/drivers/bus/omap-ocp2scp.c @@ -22,6 +22,26 @@ #include <linux/pm_runtime.h> #include <linux/of.h> #include <linux/of_platform.h> +#include <linux/platform_data/omap_ocp2scp.h> + +/** + * _count_resources - count for the number of resources + * @res: struct resource * + * + * Count and return the number of resources populated for the device that is + * connected to ocp2scp. + */ +static unsigned _count_resources(struct resource *res) +{ + int cnt = 0; + + while (res->start != res->end) { + cnt++; + res++; + } + + return cnt; +} static int ocp2scp_remove_devices(struct device *dev, void *c) { @@ -34,20 +54,62 @@ static int ocp2scp_remove_devices(struct device *dev, void *c) static int __devinit omap_ocp2scp_probe(struct platform_device *pdev) { - int ret; - struct device_node *np = pdev->dev.of_node; + int ret; + unsigned res_cnt, i; + struct device_node *np = pdev->dev.of_node; + struct platform_device *pdev_child; + struct omap_ocp2scp_platform_data *pdata = pdev->dev.platform_data; + struct omap_ocp2scp_dev *dev; if (np) { ret = of_platform_populate(np, NULL, NULL, &pdev->dev); if (ret) { - dev_err(&pdev->dev, "failed to add resources for ocp2scp child\n"); + dev_err(&pdev->dev, + "failed to add resources for ocp2scp child\n"); goto err0; } + } else if (pdata) { + for (i = 0, dev = *pdata->devices; i < pdata->dev_cnt; i++, + dev++) { + res_cnt = _count_resources(dev->res); + + pdev_child = platform_device_alloc(dev->drv_name, + PLATFORM_DEVID_AUTO); + if (!pdev_child) { + dev_err(&pdev->dev, + "failed to allocate mem for ocp2scp child\n"); + goto err0; + } + + ret = platform_device_add_resources(pdev_child, + dev->res, res_cnt); + if (ret) { + dev_err(&pdev->dev, + "failed to add resources for ocp2scp child\n"); + goto err1; + } + + pdev_child->dev.parent = &pdev->dev; + + ret = platform_device_add(pdev_child); + if (ret) { + dev_err(&pdev->dev, + "failed to register ocp2scp child device\n"); + goto err1; + } + } + } else { + dev_err(&pdev->dev, "OCP2SCP initialized without plat data\n"); + return -EINVAL; } + pm_runtime_enable(&pdev->dev); return 0; +err1: + platform_device_put(pdev_child); + err0: device_for_each_child(&pdev->dev, NULL, ocp2scp_remove_devices); diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c index ca4a25ed844..e2c17d187d9 100644 --- a/drivers/clk/ux500/u8500_clk.c +++ b/drivers/clk/ux500/u8500_clk.c @@ -40,7 +40,7 @@ void u8500_clk_init(void) CLK_IS_ROOT|CLK_IGNORE_UNUSED, 32768); clk_register_clkdev(clk, "clk32k", NULL); - clk_register_clkdev(clk, NULL, "rtc-pl031"); + clk_register_clkdev(clk, "apb_pclk", "rtc-pl031"); /* PRCMU clocks */ fw_version = prcmu_get_fw_version(); @@ -228,10 +228,17 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", U8500_CLKRST1_BASE, BIT(2), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.1"); + clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", U8500_CLKRST1_BASE, BIT(3), 0); + clk_register_clkdev(clk, "apb_pclk", "msp0"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.0"); + clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", U8500_CLKRST1_BASE, BIT(4), 0); + clk_register_clkdev(clk, "apb_pclk", "msp1"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.1"); clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", U8500_CLKRST1_BASE, BIT(5), 0); @@ -239,6 +246,7 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", U8500_CLKRST1_BASE, BIT(6), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.2"); clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", U8500_CLKRST1_BASE, BIT(7), 0); @@ -246,6 +254,7 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", U8500_CLKRST1_BASE, BIT(8), 0); + clk_register_clkdev(clk, "apb_pclk", "slimbus0"); clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", U8500_CLKRST1_BASE, BIT(9), 0); @@ -255,11 +264,16 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", U8500_CLKRST1_BASE, BIT(10), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.4"); + clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", U8500_CLKRST1_BASE, BIT(11), 0); + clk_register_clkdev(clk, "apb_pclk", "msp3"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.3"); clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", U8500_CLKRST2_BASE, BIT(0), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.3"); clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", U8500_CLKRST2_BASE, BIT(1), 0); @@ -279,12 +293,13 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", U8500_CLKRST2_BASE, BIT(5), 0); + clk_register_clkdev(clk, "apb_pclk", "msp2"); + clk_register_clkdev(clk, "apb_pclk", "ux500-msp-i2s.2"); clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", U8500_CLKRST2_BASE, BIT(6), 0); clk_register_clkdev(clk, "apb_pclk", "sdi1"); - clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", U8500_CLKRST2_BASE, BIT(7), 0); clk_register_clkdev(clk, "apb_pclk", "sdi3"); @@ -316,10 +331,15 @@ void u8500_clk_init(void) clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", U8500_CLKRST3_BASE, BIT(1), 0); + clk_register_clkdev(clk, "apb_pclk", "ssp0"); + clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", U8500_CLKRST3_BASE, BIT(2), 0); + clk_register_clkdev(clk, "apb_pclk", "ssp1"); + clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", U8500_CLKRST3_BASE, BIT(3), 0); + clk_register_clkdev(clk, "apb_pclk", "nmk-i2c.0"); clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", U8500_CLKRST3_BASE, BIT(4), 0); @@ -401,10 +421,17 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(2), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.1"); + clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk", U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp0"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.0"); + clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk", U8500_CLKRST1_BASE, BIT(4), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp1"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.1"); clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk", U8500_CLKRST1_BASE, BIT(5), CLK_SET_RATE_GATE); @@ -412,17 +439,25 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(6), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.2"); + clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk", - U8500_CLKRST1_BASE, BIT(3), CLK_SET_RATE_GATE); - /* FIXME: Redefinition of BIT(3). */ + U8500_CLKRST1_BASE, BIT(8), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "slimbus0"); + clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk", U8500_CLKRST1_BASE, BIT(9), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.4"); + clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk", U8500_CLKRST1_BASE, BIT(10), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp3"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.3"); /* Periph2 */ clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk", U8500_CLKRST2_BASE, BIT(0), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.3"); clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk", U8500_CLKRST2_BASE, BIT(2), CLK_SET_RATE_GATE); @@ -430,6 +465,8 @@ void u8500_clk_init(void) clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk", U8500_CLKRST2_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "msp2"); + clk_register_clkdev(clk, NULL, "ux500-msp-i2s.2"); clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk", U8500_CLKRST2_BASE, BIT(4), CLK_SET_RATE_GATE); @@ -450,10 +487,15 @@ void u8500_clk_init(void) /* Periph3 */ clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk", U8500_CLKRST3_BASE, BIT(1), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "ssp0"); + clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk", U8500_CLKRST3_BASE, BIT(2), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "ssp1"); + clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk", U8500_CLKRST3_BASE, BIT(3), CLK_SET_RATE_GATE); + clk_register_clkdev(clk, NULL, "nmk-i2c.0"); clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk", U8500_CLKRST3_BASE, BIT(4), CLK_SET_RATE_GATE); diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index c16a3a593ba..e3ebb4fa2c3 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -5,7 +5,7 @@ * http://www.gnu.org/licenses/gpl.html * * Maintainer: - * Andreas Herrmann <andreas.herrmann3@amd.com> + * Andreas Herrmann <herrmann.der.user@googlemail.com> * * Based on the powernow-k7.c module written by Dave Jones. * (C) 2003 Dave Jones on behalf of SuSE Labs diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d055cee3694..f11d8e3b404 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -47,7 +47,7 @@ if GPIOLIB config OF_GPIO def_bool y - depends on OF && !SPARC + depends on OF config DEBUG_GPIO bool "Debug GPIO calls" diff --git a/drivers/gpio/gpio-74x164.c b/drivers/gpio/gpio-74x164.c index ed3e55161bd..f05e54258ff 100644 --- a/drivers/gpio/gpio-74x164.c +++ b/drivers/gpio/gpio-74x164.c @@ -153,7 +153,7 @@ static int __devinit gen_74x164_probe(struct spi_device *spi) } chip->gpio_chip.ngpio = GEN_74X164_NUMBER_GPIOS * chip->registers; - chip->buffer = devm_kzalloc(&spi->dev, chip->gpio_chip.ngpio, GFP_KERNEL); + chip->buffer = devm_kzalloc(&spi->dev, chip->registers, GFP_KERNEL); if (!chip->buffer) { ret = -ENOMEM; goto exit_destroy; diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 7a874129e5d..cf7afb9eb61 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -244,6 +244,8 @@ static int mvebu_gpio_direction_output(struct gpio_chip *chip, unsigned pin, if (ret) return ret; + mvebu_gpio_set(chip, pin, value); + spin_lock_irqsave(&mvchip->lock, flags); u = readl_relaxed(mvebu_gpioreg_io_conf(mvchip)); u &= ~(1 << pin); @@ -644,7 +646,7 @@ static int __devinit mvebu_gpio_probe(struct platform_device *pdev) ct->handler = handle_edge_irq; ct->chip.name = mvchip->chip.label; - irq_setup_generic_chip(gc, IRQ_MSK(ngpios), IRQ_GC_INIT_MASK_CACHE, + irq_setup_generic_chip(gc, IRQ_MSK(ngpios), 0, IRQ_NOREQUEST, IRQ_LEVEL | IRQ_NOPROBE); /* Setup irq domain on top of the generic chip. */ diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 94cbc842fbc..d335af1d4d8 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -251,6 +251,40 @@ static void _set_gpio_debounce(struct gpio_bank *bank, unsigned gpio, } } +/** + * _clear_gpio_debounce - clear debounce settings for a gpio + * @bank: the gpio bank we're acting upon + * @gpio: the gpio number on this @gpio + * + * If a gpio is using debounce, then clear the debounce enable bit and if + * this is the only gpio in this bank using debounce, then clear the debounce + * time too. The debounce clock will also be disabled when calling this function + * if this is the only gpio in the bank using debounce. + */ +static void _clear_gpio_debounce(struct gpio_bank *bank, unsigned gpio) +{ + u32 gpio_bit = GPIO_BIT(bank, gpio); + + if (!bank->dbck_flag) + return; + + if (!(bank->dbck_enable_mask & gpio_bit)) + return; + + bank->dbck_enable_mask &= ~gpio_bit; + bank->context.debounce_en &= ~gpio_bit; + __raw_writel(bank->context.debounce_en, + bank->base + bank->regs->debounce_en); + + if (!bank->dbck_enable_mask) { + bank->context.debounce = 0; + __raw_writel(bank->context.debounce, bank->base + + bank->regs->debounce); + clk_disable(bank->dbck); + bank->dbck_enabled = false; + } +} + static inline void set_gpio_trigger(struct gpio_bank *bank, int gpio, unsigned trigger) { @@ -539,6 +573,7 @@ static void _reset_gpio(struct gpio_bank *bank, int gpio) _set_gpio_irqenable(bank, gpio, 0); _clear_gpio_irqstatus(bank, gpio); _set_gpio_triggering(bank, GPIO_INDEX(bank, gpio), IRQ_TYPE_NONE); + _clear_gpio_debounce(bank, gpio); } /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ diff --git a/drivers/gpio/gpio-timberdale.c b/drivers/gpio/gpio-timberdale.c index 031c6adf5b6..1a3e2b9b477 100644 --- a/drivers/gpio/gpio-timberdale.c +++ b/drivers/gpio/gpio-timberdale.c @@ -116,7 +116,7 @@ static void timbgpio_irq_disable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier &= ~(1 << offset); + tgpio->last_ier &= ~(1UL << offset); iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } @@ -128,7 +128,7 @@ static void timbgpio_irq_enable(struct irq_data *d) unsigned long flags; spin_lock_irqsave(&tgpio->lock, flags); - tgpio->last_ier |= 1 << offset; + tgpio->last_ier |= 1UL << offset; iowrite32(tgpio->last_ier, tgpio->membase + TGPIO_IER); spin_unlock_irqrestore(&tgpio->lock, flags); } diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 5d6c71edc73..1c8d9e3380e 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -623,9 +623,11 @@ static ssize_t export_store(struct class *class, */ status = gpio_request(gpio, "sysfs"); - if (status < 0) + if (status < 0) { + if (status == -EPROBE_DEFER) + status = -ENODEV; goto done; - + } status = gpio_export(gpio, true); if (status < 0) gpio_free(gpio); @@ -1191,8 +1193,10 @@ int gpio_request(unsigned gpio, const char *label) spin_lock_irqsave(&gpio_lock, flags); - if (!gpio_is_valid(gpio)) + if (!gpio_is_valid(gpio)) { + status = -EINVAL; goto done; + } desc = &gpio_desc[gpio]; chip = desc->chip; if (chip == NULL) diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 7ef1b673e1b..133b4132983 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -121,6 +121,8 @@ int drm_open(struct inode *inode, struct file *filp) int minor_id = iminor(inode); struct drm_minor *minor; int retcode = 0; + int need_setup = 0; + struct address_space *old_mapping; minor = idr_find(&drm_minors_idr, minor_id); if (!minor) @@ -132,23 +134,37 @@ int drm_open(struct inode *inode, struct file *filp) if (drm_device_is_unplugged(dev)) return -ENODEV; + if (!dev->open_count++) + need_setup = 1; + mutex_lock(&dev->struct_mutex); + old_mapping = dev->dev_mapping; + if (old_mapping == NULL) + dev->dev_mapping = &inode->i_data; + /* ihold ensures nobody can remove inode with our i_data */ + ihold(container_of(dev->dev_mapping, struct inode, i_data)); + inode->i_mapping = dev->dev_mapping; + filp->f_mapping = dev->dev_mapping; + mutex_unlock(&dev->struct_mutex); + retcode = drm_open_helper(inode, filp, dev); - if (!retcode) { - atomic_inc(&dev->counts[_DRM_STAT_OPENS]); - if (!dev->open_count++) - retcode = drm_setup(dev); - } - if (!retcode) { - mutex_lock(&dev->struct_mutex); - if (dev->dev_mapping == NULL) - dev->dev_mapping = &inode->i_data; - /* ihold ensures nobody can remove inode with our i_data */ - ihold(container_of(dev->dev_mapping, struct inode, i_data)); - inode->i_mapping = dev->dev_mapping; - filp->f_mapping = dev->dev_mapping; - mutex_unlock(&dev->struct_mutex); + if (retcode) + goto err_undo; + atomic_inc(&dev->counts[_DRM_STAT_OPENS]); + if (need_setup) { + retcode = drm_setup(dev); + if (retcode) + goto err_undo; } + return 0; +err_undo: + mutex_lock(&dev->struct_mutex); + filp->f_mapping = old_mapping; + inode->i_mapping = old_mapping; + iput(container_of(dev->dev_mapping, struct inode, i_data)); + dev->dev_mapping = old_mapping; + mutex_unlock(&dev->struct_mutex); + dev->open_count--; return retcode; } EXPORT_SYMBOL(drm_open); diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 59a26e577b5..fc345d4ebb0 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -1,6 +1,6 @@ config DRM_EXYNOS tristate "DRM Support for Samsung SoC EXYNOS Series" - depends on DRM && PLAT_SAMSUNG + depends on DRM && (PLAT_SAMSUNG || ARCH_MULTIPLATFORM) select DRM_KMS_HELPER select FB_CFB_FILLRECT select FB_CFB_COPYAREA diff --git a/drivers/gpu/drm/exynos/exynos_drm_connector.c b/drivers/gpu/drm/exynos/exynos_drm_connector.c index 18c271862ca..0f68a287267 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_connector.c +++ b/drivers/gpu/drm/exynos/exynos_drm_connector.c @@ -374,6 +374,7 @@ struct drm_connector *exynos_drm_connector_create(struct drm_device *dev, exynos_connector->encoder_id = encoder->base.id; exynos_connector->manager = manager; exynos_connector->dpms = DRM_MODE_DPMS_OFF; + connector->dpms = DRM_MODE_DPMS_OFF; connector->encoder = encoder; err = drm_mode_connector_attach_encoder(connector, encoder); diff --git a/drivers/gpu/drm/exynos/exynos_drm_encoder.c b/drivers/gpu/drm/exynos/exynos_drm_encoder.c index e51503fbaf2..241ad1eeec6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_encoder.c +++ b/drivers/gpu/drm/exynos/exynos_drm_encoder.c @@ -43,12 +43,14 @@ * @manager: specific encoder has its own manager to control a hardware * appropriately and we can access a hardware drawing on this manager. * @dpms: store the encoder dpms value. + * @updated: indicate whether overlay data updating is needed or not. */ struct exynos_drm_encoder { struct drm_crtc *old_crtc; struct drm_encoder drm_encoder; struct exynos_drm_manager *manager; - int dpms; + int dpms; + bool updated; }; static void exynos_drm_connector_power(struct drm_encoder *encoder, int mode) @@ -85,7 +87,9 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: if (manager_ops && manager_ops->apply) - manager_ops->apply(manager->dev); + if (!exynos_encoder->updated) + manager_ops->apply(manager->dev); + exynos_drm_connector_power(encoder, mode); exynos_encoder->dpms = mode; break; @@ -94,6 +98,7 @@ static void exynos_drm_encoder_dpms(struct drm_encoder *encoder, int mode) case DRM_MODE_DPMS_OFF: exynos_drm_connector_power(encoder, mode); exynos_encoder->dpms = mode; + exynos_encoder->updated = false; break; default: DRM_ERROR("unspecified mode %d\n", mode); @@ -205,13 +210,22 @@ static void exynos_drm_encoder_prepare(struct drm_encoder *encoder) static void exynos_drm_encoder_commit(struct drm_encoder *encoder) { - struct exynos_drm_manager *manager = exynos_drm_get_manager(encoder); + struct exynos_drm_encoder *exynos_encoder = to_exynos_encoder(encoder); + struct exynos_drm_manager *manager = exynos_encoder->manager; struct exynos_drm_manager_ops *manager_ops = manager->ops; DRM_DEBUG_KMS("%s\n", __FILE__); if (manager_ops && manager_ops->commit) manager_ops->commit(manager->dev); + + /* + * this will avoid one issue that overlay data is updated to + * real hardware two times. + * And this variable will be used to check if the data was + * already updated or not by exynos_drm_encoder_dpms function. + */ + exynos_encoder->updated = true; } static void exynos_drm_encoder_disable(struct drm_encoder *encoder) @@ -401,19 +415,6 @@ void exynos_drm_encoder_crtc_dpms(struct drm_encoder *encoder, void *data) manager_ops->dpms(manager->dev, mode); /* - * set current mode to new one so that data aren't updated into - * registers by drm_helper_connector_dpms two times. - * - * in case that drm_crtc_helper_set_mode() is called, - * overlay_ops->commit() and manager_ops->commit() callbacks - * can be called two times, first at drm_crtc_helper_set_mode() - * and second at drm_helper_connector_dpms(). - * so with this setting, when drm_helper_connector_dpms() is called - * encoder->funcs->dpms() will be ignored. - */ - exynos_encoder->dpms = mode; - - /* * if this condition is ok then it means that the crtc is already * detached from encoder and last function for detaching is properly * done, so clear pipe from manager to prevent repeated call. diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 614b2e9ac46..e7fbb823fd8 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1142,7 +1142,7 @@ static int __devinit mixer_probe(struct platform_device *pdev) const struct of_device_id *match; match = of_match_node(of_match_ptr(mixer_match_types), pdev->dev.of_node); - drv = match->data; + drv = (struct mixer_drv_data *)match->data; } else { drv = (struct mixer_drv_data *) platform_get_device_id(pdev)->driver_data; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index c9bfd83dde6..61ae104dca8 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1505,7 +1505,8 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) goto put_gmch; } - i915_kick_out_firmware_fb(dev_priv); + if (drm_core_check_feature(dev, DRIVER_MODESET)) + i915_kick_out_firmware_fb(dev_priv); pci_set_master(dev->pdev); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index f78061af704..6345878ae1e 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -143,7 +143,7 @@ static void intel_crt_dpms(struct drm_connector *connector, int mode) int old_dpms; /* PCH platforms and VLV only support on/off. */ - if (INTEL_INFO(dev)->gen < 5 && mode != DRM_MODE_DPMS_ON) + if (INTEL_INFO(dev)->gen >= 5 && mode != DRM_MODE_DPMS_ON) mode = DRM_MODE_DPMS_OFF; if (mode == connector->dpms) @@ -729,7 +729,7 @@ void intel_crt_init(struct drm_device *dev) crt->base.type = INTEL_OUTPUT_ANALOG; crt->base.cloneable = true; - if (IS_HASWELL(dev)) + if (IS_HASWELL(dev) || IS_I830(dev)) crt->base.crtc_mask = (1 << 0); else crt->base.crtc_mask = (1 << 0) | (1 << 1) | (1 << 2); diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 461a637f1ef..4154bcd7a07 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3841,6 +3841,17 @@ static bool intel_choose_pipe_bpp_dither(struct drm_crtc *crtc, } } + if (intel_encoder->type == INTEL_OUTPUT_EDP) { + /* Use VBT settings if we have an eDP panel */ + unsigned int edp_bpc = dev_priv->edp.bpp / 3; + + if (edp_bpc < display_bpc) { + DRM_DEBUG_KMS("clamping display bpc (was %d) to eDP (%d)\n", display_bpc, edp_bpc); + display_bpc = edp_bpc; + } + continue; + } + /* * HDMI is either 12 or 8, so if the display lets 10bpc sneak * through, clamp it down. (Note: >12bpc will be caught below.) diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c index 495625914e4..d7bc817f51a 100644 --- a/drivers/gpu/drm/i915/intel_overlay.c +++ b/drivers/gpu/drm/i915/intel_overlay.c @@ -341,9 +341,17 @@ static int intel_overlay_off(struct intel_overlay *overlay) intel_ring_emit(ring, flip_addr); intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); /* turn overlay off */ - intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); - intel_ring_emit(ring, flip_addr); - intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + if (IS_I830(dev)) { + /* Workaround: Don't disable the overlay fully, since otherwise + * it dies on the next OVERLAY_ON cmd. */ + intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, MI_NOOP); + intel_ring_emit(ring, MI_NOOP); + } else { + intel_ring_emit(ring, MI_OVERLAY_FLIP | MI_OVERLAY_OFF); + intel_ring_emit(ring, flip_addr); + intel_ring_emit(ring, MI_WAIT_FOR_EVENT | MI_WAIT_FOR_OVERLAY_FLIP); + } intel_ring_advance(ring); return intel_overlay_do_wait_request(overlay, intel_overlay_off_tail); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index e019b236986..e2aacd32954 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -435,7 +435,7 @@ int intel_panel_setup_backlight(struct drm_device *dev) props.type = BACKLIGHT_RAW; props.max_brightness = _intel_panel_get_max_backlight(dev); if (props.max_brightness == 0) { - DRM_ERROR("Failed to get maximum backlight value\n"); + DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n"); return -ENODEV; } dev_priv->backlight = diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index c01d97db006..c600fb06e25 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -894,6 +894,45 @@ static void intel_sdvo_dump_hdmi_buf(struct intel_sdvo *intel_sdvo) } #endif +static bool intel_sdvo_write_infoframe(struct intel_sdvo *intel_sdvo, + unsigned if_index, uint8_t tx_rate, + uint8_t *data, unsigned length) +{ + uint8_t set_buf_index[2] = { if_index, 0 }; + uint8_t hbuf_size, tmp[8]; + int i; + + if (!intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_INDEX, + set_buf_index, 2)) + return false; + + if (!intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_HBUF_INFO, + &hbuf_size, 1)) + return false; + + /* Buffer size is 0 based, hooray! */ + hbuf_size++; + + DRM_DEBUG_KMS("writing sdvo hbuf: %i, hbuf_size %i, hbuf_size: %i\n", + if_index, length, hbuf_size); + + for (i = 0; i < hbuf_size; i += 8) { + memset(tmp, 0, 8); + if (i < length) + memcpy(tmp, data + i, min_t(unsigned, 8, length - i)); + + if (!intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_DATA, + tmp, 8)) + return false; + } + + return intel_sdvo_set_value(intel_sdvo, + SDVO_CMD_SET_HBUF_TXRATE, + &tx_rate, 1); +} + static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) { struct dip_infoframe avi_if = { @@ -901,11 +940,7 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) .ver = DIP_VERSION_AVI, .len = DIP_LEN_AVI, }; - uint8_t tx_rate = SDVO_HBUF_TX_VSYNC; - uint8_t set_buf_index[2] = { 1, 0 }; uint8_t sdvo_data[4 + sizeof(avi_if.body.avi)]; - uint64_t *data = (uint64_t *)sdvo_data; - unsigned i; intel_dip_infoframe_csum(&avi_if); @@ -915,22 +950,9 @@ static bool intel_sdvo_set_avi_infoframe(struct intel_sdvo *intel_sdvo) sdvo_data[3] = avi_if.checksum; memcpy(&sdvo_data[4], &avi_if.body, sizeof(avi_if.body.avi)); - if (!intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_INDEX, - set_buf_index, 2)) - return false; - - for (i = 0; i < sizeof(sdvo_data); i += 8) { - if (!intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_DATA, - data, 8)) - return false; - data++; - } - - return intel_sdvo_set_value(intel_sdvo, - SDVO_CMD_SET_HBUF_TXRATE, - &tx_rate, 1); + return intel_sdvo_write_infoframe(intel_sdvo, SDVO_HBUF_INDEX_AVI_IF, + SDVO_HBUF_TX_VSYNC, + sdvo_data, sizeof(sdvo_data)); } static bool intel_sdvo_set_tv_format(struct intel_sdvo *intel_sdvo) @@ -2360,6 +2382,18 @@ intel_sdvo_output_setup(struct intel_sdvo *intel_sdvo, uint16_t flags) return true; } +static void intel_sdvo_output_cleanup(struct intel_sdvo *intel_sdvo) +{ + struct drm_device *dev = intel_sdvo->base.base.dev; + struct drm_connector *connector, *tmp; + + list_for_each_entry_safe(connector, tmp, + &dev->mode_config.connector_list, head) { + if (intel_attached_encoder(connector) == &intel_sdvo->base) + intel_sdvo_destroy(connector); + } +} + static bool intel_sdvo_tv_create_property(struct intel_sdvo *intel_sdvo, struct intel_sdvo_connector *intel_sdvo_connector, int type) @@ -2683,7 +2717,8 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on %s\n", SDVO_NAME(intel_sdvo)); - goto err; + /* Output_setup can leave behind connectors! */ + goto err_output; } /* Only enable the hotplug irq if we need it, to work around noisy @@ -2696,12 +2731,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) /* Set the input timing to the screen. Assume always input 0. */ if (!intel_sdvo_set_target_input(intel_sdvo)) - goto err; + goto err_output; if (!intel_sdvo_get_input_pixel_clock_range(intel_sdvo, &intel_sdvo->pixel_clock_min, &intel_sdvo->pixel_clock_max)) - goto err; + goto err_output; DRM_DEBUG_KMS("%s device VID/DID: %02X:%02X.%02X, " "clock range %dMHz - %dMHz, " @@ -2721,6 +2756,9 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N'); return true; +err_output: + intel_sdvo_output_cleanup(intel_sdvo); + err: drm_encoder_cleanup(&intel_encoder->base); i2c_del_adapter(&intel_sdvo->ddc); diff --git a/drivers/gpu/drm/i915/intel_sdvo_regs.h b/drivers/gpu/drm/i915/intel_sdvo_regs.h index 9d030142ee4..770bdd6ecd9 100644 --- a/drivers/gpu/drm/i915/intel_sdvo_regs.h +++ b/drivers/gpu/drm/i915/intel_sdvo_regs.h @@ -708,6 +708,8 @@ struct intel_sdvo_enhancements_arg { #define SDVO_CMD_SET_AUDIO_STAT 0x91 #define SDVO_CMD_GET_AUDIO_STAT 0x92 #define SDVO_CMD_SET_HBUF_INDEX 0x93 + #define SDVO_HBUF_INDEX_ELD 0 + #define SDVO_HBUF_INDEX_AVI_IF 1 #define SDVO_CMD_GET_HBUF_INDEX 0x94 #define SDVO_CMD_GET_HBUF_INFO 0x95 #define SDVO_CMD_SET_HBUF_AV_SPLIT 0x96 diff --git a/drivers/gpu/drm/nouveau/core/core/mm.c b/drivers/gpu/drm/nouveau/core/core/mm.c index 4d620644867..a6d3cd6490f 100644 --- a/drivers/gpu/drm/nouveau/core/core/mm.c +++ b/drivers/gpu/drm/nouveau/core/core/mm.c @@ -218,13 +218,16 @@ nouveau_mm_init(struct nouveau_mm *mm, u32 offset, u32 length, u32 block) node = kzalloc(sizeof(*node), GFP_KERNEL); if (!node) return -ENOMEM; - node->offset = roundup(offset, mm->block_size); - node->length = rounddown(offset + length, mm->block_size) - node->offset; + + if (length) { + node->offset = roundup(offset, mm->block_size); + node->length = rounddown(offset + length, mm->block_size); + node->length -= node->offset; + } list_add_tail(&node->nl_entry, &mm->nodes); list_add_tail(&node->fl_entry, &mm->free); mm->heap_nodes++; - mm->heap_size += length; return 0; } diff --git a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c index 16a9afb1060..05a909a17ce 100644 --- a/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/disp/nv50.c @@ -22,6 +22,8 @@ * Authors: Ben Skeggs */ +#include <subdev/bar.h> + #include <engine/software.h> #include <engine/disp.h> @@ -37,6 +39,7 @@ nv50_disp_sclass[] = { static void nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) { + struct nouveau_bar *bar = nouveau_bar(priv); struct nouveau_disp *disp = &priv->base; struct nouveau_software_chan *chan, *temp; unsigned long flags; @@ -46,18 +49,19 @@ nv50_disp_intr_vblank(struct nv50_disp_priv *priv, int crtc) if (chan->vblank.crtc != crtc) continue; - nv_wr32(priv, 0x001704, chan->vblank.channel); - nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); - if (nv_device(priv)->chipset == 0x50) { + nv_wr32(priv, 0x001704, chan->vblank.channel); + nv_wr32(priv, 0x001710, 0x80000000 | chan->vblank.ctxdma); + bar->flush(bar); nv_wr32(priv, 0x001570, chan->vblank.offset); nv_wr32(priv, 0x001574, chan->vblank.value); } else { - if (nv_device(priv)->chipset >= 0xc0) { - nv_wr32(priv, 0x06000c, - upper_32_bits(chan->vblank.offset)); - } - nv_wr32(priv, 0x060010, chan->vblank.offset); + nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); + bar->flush(bar); + nv_wr32(priv, 0x06000c, + upper_32_bits(chan->vblank.offset)); + nv_wr32(priv, 0x060010, + lower_32_bits(chan->vblank.offset)); nv_wr32(priv, 0x060014, chan->vblank.value); } diff --git a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c index 8d0021049ec..425001204a8 100644 --- a/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/graph/nv40.c @@ -156,8 +156,8 @@ nv40_graph_context_ctor(struct nouveau_object *parent, static int nv40_graph_context_fini(struct nouveau_object *object, bool suspend) { - struct nv04_graph_priv *priv = (void *)object->engine; - struct nv04_graph_chan *chan = (void *)object; + struct nv40_graph_priv *priv = (void *)object->engine; + struct nv40_graph_chan *chan = (void *)object; u32 inst = 0x01000000 | nv_gpuobj(chan)->addr >> 4; int ret = 0; diff --git a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c index 12418574efe..f7c581ad199 100644 --- a/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c +++ b/drivers/gpu/drm/nouveau/core/engine/mpeg/nv40.c @@ -38,7 +38,7 @@ struct nv40_mpeg_priv { }; struct nv40_mpeg_chan { - struct nouveau_mpeg base; + struct nouveau_mpeg_chan base; }; /******************************************************************************* diff --git a/drivers/gpu/drm/nouveau/core/include/core/mm.h b/drivers/gpu/drm/nouveau/core/include/core/mm.h index 9ee9bf4028c..975137ba34a 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/mm.h +++ b/drivers/gpu/drm/nouveau/core/include/core/mm.h @@ -19,7 +19,6 @@ struct nouveau_mm { u32 block_size; int heap_nodes; - u32 heap_size; }; int nouveau_mm_init(struct nouveau_mm *, u32 offset, u32 length, u32 block); diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c index 27fb1af7a77..5f570806143 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c +++ b/drivers/gpu/drm/nouveau/core/subdev/fb/nv50.c @@ -219,13 +219,11 @@ nv50_fb_ctor(struct nouveau_object *parent, struct nouveau_object *engine, ((priv->base.ram.size & 0x000000ff) << 32); tags = nv_rd32(priv, 0x100320); - if (tags) { - ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1); - if (ret) - return ret; + ret = nouveau_mm_init(&priv->base.tags, 0, tags, 1); + if (ret) + return ret; - nv_debug(priv, "%d compression tags\n", tags); - } + nv_debug(priv, "%d compression tags\n", tags); size = (priv->base.ram.size >> 12) - rsvd_head - rsvd_tail; switch (device->chipset) { diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index 3d2c88310f9..dbfc2abf0cf 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -292,7 +292,7 @@ nouveau_i2c_ctor(struct nouveau_object *parent, struct nouveau_object *engine, case DCB_I2C_NVIO_BIT: port->drive = info.drive & 0x0f; if (device->card_type < NV_D0) { - if (info.drive >= ARRAY_SIZE(nv50_i2c_port)) + if (port->drive >= ARRAY_SIZE(nv50_i2c_port)) break; port->drive = nv50_i2c_port[port->drive]; port->sense = port->drive; diff --git a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c index 49050d991e7..9474cfca6e4 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c +++ b/drivers/gpu/drm/nouveau/core/subdev/vm/nv41.c @@ -67,7 +67,7 @@ nv41_vm_unmap(struct nouveau_gpuobj *pgt, u32 pte, u32 cnt) static void nv41_vm_flush(struct nouveau_vm *vm) { - struct nv04_vm_priv *priv = (void *)vm->vmm; + struct nv04_vmmgr_priv *priv = (void *)vm->vmm; mutex_lock(&nv_subdev(priv)->mutex); nv_wr32(priv, 0x100810, 0x00000022); diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index 9a6e2cb282d..d3595b23434 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -355,7 +355,7 @@ nouveau_connector_detect_lvds(struct drm_connector *connector, bool force) * valid - it's not (rh#613284) */ if (nv_encoder->dcb->lvdsconf.use_acpi_for_edid) { - if (!(nv_connector->edid = nouveau_acpi_edid(dev, connector))) { + if ((nv_connector->edid = nouveau_acpi_edid(dev, connector))) { status = connector_status_connected; goto out; } diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index d2f8ffeed74..86124b131f4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -290,6 +290,7 @@ nouveau_display_create(struct drm_device *dev) struct nouveau_drm *drm = nouveau_drm(dev); struct nouveau_disp *pdisp = nouveau_disp(drm->device); struct nouveau_display *disp; + u32 pclass = dev->pdev->class >> 8; int ret, gen; disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL); @@ -360,23 +361,27 @@ nouveau_display_create(struct drm_device *dev) drm_kms_helper_poll_init(dev); drm_kms_helper_poll_disable(dev); - if (nv_device(drm->device)->card_type < NV_50) - ret = nv04_display_create(dev); - else - if (nv_device(drm->device)->card_type < NV_D0) - ret = nv50_display_create(dev); - else - ret = nvd0_display_create(dev); - if (ret) - goto disp_create_err; - - if (dev->mode_config.num_crtc) { - ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (nouveau_modeset == 1 || + (nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) { + if (nv_device(drm->device)->card_type < NV_50) + ret = nv04_display_create(dev); + else + if (nv_device(drm->device)->card_type < NV_D0) + ret = nv50_display_create(dev); + else + ret = nvd0_display_create(dev); if (ret) - goto vblank_err; + goto disp_create_err; + + if (dev->mode_config.num_crtc) { + ret = drm_vblank_init(dev, dev->mode_config.num_crtc); + if (ret) + goto vblank_err; + } + + nouveau_backlight_init(dev); } - nouveau_backlight_init(dev); return 0; vblank_err: @@ -395,7 +400,8 @@ nouveau_display_destroy(struct drm_device *dev) nouveau_backlight_exit(dev); drm_vblank_cleanup(dev); - disp->dtor(dev); + if (disp->dtor) + disp->dtor(dev); drm_kms_helper_poll_fini(dev); drm_mode_config_cleanup(dev); diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c index ccae8c26ae2..0910125cbbc 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -63,8 +63,9 @@ MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); static int nouveau_noaccel = 0; module_param_named(noaccel, nouveau_noaccel, int, 0400); -MODULE_PARM_DESC(modeset, "enable driver"); -static int nouveau_modeset = -1; +MODULE_PARM_DESC(modeset, "enable driver (default: auto, " + "0 = disabled, 1 = enabled, 2 = headless)"); +int nouveau_modeset = -1; module_param_named(modeset, nouveau_modeset, int, 0400); static struct drm_driver driver; @@ -363,7 +364,8 @@ nouveau_drm_unload(struct drm_device *dev) nouveau_pm_fini(dev); - nouveau_display_fini(dev); + if (dev->mode_config.num_crtc) + nouveau_display_fini(dev); nouveau_display_destroy(dev); nouveau_irq_fini(dev); @@ -403,13 +405,15 @@ nouveau_drm_suspend(struct pci_dev *pdev, pm_message_t pm_state) pm_state.event == PM_EVENT_PRETHAW) return 0; - NV_INFO(drm, "suspending fbcon...\n"); - nouveau_fbcon_set_suspend(dev, 1); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "suspending fbcon...\n"); + nouveau_fbcon_set_suspend(dev, 1); - NV_INFO(drm, "suspending display...\n"); - ret = nouveau_display_suspend(dev); - if (ret) - return ret; + NV_INFO(drm, "suspending display...\n"); + ret = nouveau_display_suspend(dev); + if (ret) + return ret; + } NV_INFO(drm, "evicting buffers...\n"); ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); @@ -445,8 +449,10 @@ fail_client: nouveau_client_init(&cli->base); } - NV_INFO(drm, "resuming display...\n"); - nouveau_display_resume(dev); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "resuming display...\n"); + nouveau_display_resume(dev); + } return ret; } @@ -486,8 +492,10 @@ nouveau_drm_resume(struct pci_dev *pdev) nouveau_irq_postinstall(dev); nouveau_pm_resume(dev); - NV_INFO(drm, "resuming display...\n"); - nouveau_display_resume(dev); + if (dev->mode_config.num_crtc) { + NV_INFO(drm, "resuming display...\n"); + nouveau_display_resume(dev); + } return 0; } @@ -662,9 +670,7 @@ nouveau_drm_init(void) #ifdef CONFIG_VGA_CONSOLE if (vgacon_text_force()) nouveau_modeset = 0; - else #endif - nouveau_modeset = 1; } if (!nouveau_modeset) diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h index 81947121754..a1016992708 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drm.h +++ b/drivers/gpu/drm/nouveau/nouveau_drm.h @@ -141,4 +141,6 @@ int nouveau_drm_resume(struct pci_dev *); nv_info((cli), fmt, ##args); \ } while (0) +extern int nouveau_modeset; + #endif diff --git a/drivers/gpu/drm/nouveau/nouveau_irq.c b/drivers/gpu/drm/nouveau/nouveau_irq.c index 9ca8afdb554..1d8cb506a28 100644 --- a/drivers/gpu/drm/nouveau/nouveau_irq.c +++ b/drivers/gpu/drm/nouveau/nouveau_irq.c @@ -61,13 +61,15 @@ nouveau_irq_handler(DRM_IRQ_ARGS) nv_subdev(pmc)->intr(nv_subdev(pmc)); - if (device->card_type >= NV_D0) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nvd0_display_intr(dev); - } else - if (device->card_type >= NV_50) { - if (nv_rd32(device, 0x000100) & 0x04000000) - nv50_display_intr(dev); + if (dev->mode_config.num_crtc) { + if (device->card_type >= NV_D0) { + if (nv_rd32(device, 0x000100) & 0x04000000) + nvd0_display_intr(dev); + } else + if (device->card_type >= NV_50) { + if (nv_rd32(device, 0x000100) & 0x04000000) + nv50_display_intr(dev); + } } return IRQ_HANDLED; diff --git a/drivers/gpu/drm/nouveau/nv04_dac.c b/drivers/gpu/drm/nouveau/nv04_dac.c index 347a3bd78d0..64f7020fb60 100644 --- a/drivers/gpu/drm/nouveau/nv04_dac.c +++ b/drivers/gpu/drm/nouveau/nv04_dac.c @@ -220,7 +220,7 @@ out: NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode); if (blue == 0x18) { - NV_INFO(drm, "Load detected on head A\n"); + NV_DEBUG(drm, "Load detected on head A\n"); return connector_status_connected; } @@ -338,8 +338,8 @@ nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) if (nv17_dac_sample_load(encoder) & NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) { - NV_INFO(drm, "Load detected on output %c\n", - '@' + ffs(dcb->or)); + NV_DEBUG(drm, "Load detected on output %c\n", + '@' + ffs(dcb->or)); return connector_status_connected; } else { return connector_status_disconnected; @@ -413,9 +413,9 @@ static void nv04_dac_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), - nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable) @@ -461,8 +461,8 @@ static void nv04_dac_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on vga encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on vga encoder (output %d)\n", + mode, nv_encoder->dcb->index); nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON); } diff --git a/drivers/gpu/drm/nouveau/nv04_dfp.c b/drivers/gpu/drm/nouveau/nv04_dfp.c index da55d7642c8..184cdf80676 100644 --- a/drivers/gpu/drm/nouveau/nv04_dfp.c +++ b/drivers/gpu/drm/nouveau/nv04_dfp.c @@ -476,9 +476,9 @@ static void nv04_dfp_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), - nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), + nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode) @@ -520,8 +520,8 @@ static void nv04_lvds_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on lvds encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on lvds encoder (output %d)\n", + mode, nv_encoder->dcb->index); if (was_powersaving && is_powersaving_dpms(mode)) return; @@ -565,8 +565,8 @@ static void nv04_tmds_dpms(struct drm_encoder *encoder, int mode) return; nv_encoder->last_dpms = mode; - NV_INFO(drm, "Setting dpms mode %d on tmds encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on tmds encoder (output %d)\n", + mode, nv_encoder->dcb->index); nv04_dfp_update_backlight(encoder, mode); nv04_dfp_update_fp_control(encoder, mode); diff --git a/drivers/gpu/drm/nouveau/nv04_tv.c b/drivers/gpu/drm/nouveau/nv04_tv.c index 099fbeda6e2..62e826a139b 100644 --- a/drivers/gpu/drm/nouveau/nv04_tv.c +++ b/drivers/gpu/drm/nouveau/nv04_tv.c @@ -75,8 +75,8 @@ static void nv04_tv_dpms(struct drm_encoder *encoder, int mode) struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; uint8_t crtc1A; - NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n", - mode, nv_encoder->dcb->index); + NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n", + mode, nv_encoder->dcb->index); state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK); @@ -167,9 +167,8 @@ static void nv04_tv_commit(struct drm_encoder *encoder) helper->dpms(encoder, DRM_MODE_DPMS_ON); - NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", - drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, - '@' + ffs(nv_encoder->dcb->or)); + NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", + drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); } static void nv04_tv_destroy(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 2e566e123e9..3bce0299f64 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -1696,35 +1696,43 @@ static int radeon_atom_pick_pll(struct drm_crtc *crtc) return ATOM_PPLL2; DRM_ERROR("unable to allocate a PPLL\n"); return ATOM_PPLL_INVALID; - } else { - if (ASIC_IS_AVIVO(rdev)) { - /* in DP mode, the DP ref clock can come from either PPLL - * depending on the asic: - * DCE3: PPLL1 or PPLL2 - */ - if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { - /* use the same PPLL for all DP monitors */ - pll = radeon_get_shared_dp_ppll(crtc); - if (pll != ATOM_PPLL_INVALID) - return pll; - } else { - /* use the same PPLL for all monitors with the same clock */ - pll = radeon_get_shared_nondp_ppll(crtc); - if (pll != ATOM_PPLL_INVALID) - return pll; - } - /* all other cases */ - pll_in_use = radeon_get_pll_use_mask(crtc); + } else if (ASIC_IS_AVIVO(rdev)) { + /* in DP mode, the DP ref clock can come from either PPLL + * depending on the asic: + * DCE3: PPLL1 or PPLL2 + */ + if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { + /* use the same PPLL for all DP monitors */ + pll = radeon_get_shared_dp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } else { + /* use the same PPLL for all monitors with the same clock */ + pll = radeon_get_shared_nondp_ppll(crtc); + if (pll != ATOM_PPLL_INVALID) + return pll; + } + /* all other cases */ + pll_in_use = radeon_get_pll_use_mask(crtc); + /* the order shouldn't matter here, but we probably + * need this until we have atomic modeset + */ + if (rdev->flags & RADEON_IS_IGP) { if (!(pll_in_use & (1 << ATOM_PPLL1))) return ATOM_PPLL1; if (!(pll_in_use & (1 << ATOM_PPLL2))) return ATOM_PPLL2; - DRM_ERROR("unable to allocate a PPLL\n"); - return ATOM_PPLL_INVALID; } else { - /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ - return radeon_crtc->crtc_id; + if (!(pll_in_use & (1 << ATOM_PPLL2))) + return ATOM_PPLL2; + if (!(pll_in_use & (1 << ATOM_PPLL1))) + return ATOM_PPLL1; } + DRM_ERROR("unable to allocate a PPLL\n"); + return ATOM_PPLL_INVALID; + } else { + /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ + return radeon_crtc->crtc_id; } } diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c index ba498f8e47a..010bae19554 100644 --- a/drivers/gpu/drm/radeon/atombios_encoders.c +++ b/drivers/gpu/drm/radeon/atombios_encoders.c @@ -1625,7 +1625,7 @@ radeon_atom_encoder_dpms_dig(struct drm_encoder *encoder, int mode) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_SETUP, 0, 0); atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE, 0, 0); /* some early dce3.2 boards have a bug in their transmitter control table */ - if ((rdev->family != CHIP_RV710) || (rdev->family != CHIP_RV730)) + if ((rdev->family != CHIP_RV710) && (rdev->family != CHIP_RV730)) atombios_dig_transmitter_setup(encoder, ATOM_TRANSMITTER_ACTION_ENABLE_OUTPUT, 0, 0); } if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(encoder)) && connector) { diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 14313ad43b7..af31f829f4a 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1372,7 +1372,7 @@ void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *s WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN); for (i = 0; i < rdev->num_crtc; i++) { - if (save->crtc_enabled) { + if (save->crtc_enabled[i]) { if (ASIC_IS_DCE6(rdev)) { tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]); tmp |= EVERGREEN_CRTC_BLANK_DATA_EN; diff --git a/drivers/gpu/drm/radeon/evergreen_cs.c b/drivers/gpu/drm/radeon/evergreen_cs.c index 30271b64191..c042e497e45 100644 --- a/drivers/gpu/drm/radeon/evergreen_cs.c +++ b/drivers/gpu/drm/radeon/evergreen_cs.c @@ -264,7 +264,7 @@ static int evergreen_surface_check_2d(struct radeon_cs_parser *p, /* macro tile width & height */ palign = (8 * surf->bankw * track->npipes) * surf->mtilea; halign = (8 * surf->bankh * surf->nbanks) / surf->mtilea; - mtileb = (palign / 8) * (halign / 8) * tileb;; + mtileb = (palign / 8) * (halign / 8) * tileb; mtile_pr = surf->nbx / palign; mtile_ps = (mtile_pr * surf->nby) / halign; surf->layer_size = mtile_ps * mtileb * slice_pt; @@ -2725,6 +2725,9 @@ static bool evergreen_vm_reg_valid(u32 reg) /* check config regs */ switch (reg) { case GRBM_GFX_INDEX: + case CP_STRMOUT_CNTL: + case CP_COHER_CNTL: + case CP_COHER_SIZE: case VGT_VTX_VECT_EJECT_REG: case VGT_CACHE_INVALIDATION: case VGT_GS_VERTEX_REUSE: diff --git a/drivers/gpu/drm/radeon/evergreend.h b/drivers/gpu/drm/radeon/evergreend.h index df542f1a5df..2bc0f6a1b42 100644 --- a/drivers/gpu/drm/radeon/evergreend.h +++ b/drivers/gpu/drm/radeon/evergreend.h @@ -91,6 +91,10 @@ #define FB_READ_EN (1 << 0) #define FB_WRITE_EN (1 << 1) +#define CP_STRMOUT_CNTL 0x84FC + +#define CP_COHER_CNTL 0x85F0 +#define CP_COHER_SIZE 0x85F4 #define CP_COHER_BASE 0x85F8 #define CP_STALLED_STAT1 0x8674 #define CP_STALLED_STAT2 0x8678 diff --git a/drivers/gpu/drm/radeon/radeon_atpx_handler.c b/drivers/gpu/drm/radeon/radeon_atpx_handler.c index 37f6a907aea..15f5ded65e0 100644 --- a/drivers/gpu/drm/radeon/radeon_atpx_handler.c +++ b/drivers/gpu/drm/radeon/radeon_atpx_handler.c @@ -352,9 +352,9 @@ static int radeon_atpx_switchto(enum vga_switcheroo_client_id id) } /** - * radeon_atpx_switchto - switch to the requested GPU + * radeon_atpx_power_state - power down/up the requested GPU * - * @id: GPU to switch to + * @id: GPU to power down/up * @state: requested power state (0 = off, 1 = on) * * Execute the necessary ATPX function to power down/up the discrete GPU diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index 67cfc1795ec..b884c362a8c 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -941,7 +941,7 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) struct drm_mode_object *obj; int i; enum drm_connector_status ret = connector_status_disconnected; - bool dret = false; + bool dret = false, broken_edid = false; if (!force && radeon_check_hpd_status_unchanged(connector)) return connector->status; @@ -965,6 +965,9 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) ret = connector_status_disconnected; DRM_ERROR("%s: detected RS690 floating bus bug, stopping ddc detect\n", drm_get_connector_name(connector)); radeon_connector->ddc_bus = NULL; + } else { + ret = connector_status_connected; + broken_edid = true; /* defer use_digital to later */ } } else { radeon_connector->use_digital = !!(radeon_connector->edid->input & DRM_EDID_INPUT_DIGITAL); @@ -1047,13 +1050,24 @@ radeon_dvi_detect(struct drm_connector *connector, bool force) encoder_funcs = encoder->helper_private; if (encoder_funcs->detect) { - if (ret != connector_status_connected) { - ret = encoder_funcs->detect(encoder, connector); - if (ret == connector_status_connected) { - radeon_connector->use_digital = false; + if (!broken_edid) { + if (ret != connector_status_connected) { + /* deal with analog monitors without DDC */ + ret = encoder_funcs->detect(encoder, connector); + if (ret == connector_status_connected) { + radeon_connector->use_digital = false; + } + if (ret != connector_status_disconnected) + radeon_connector->detected_by_load = true; } - if (ret != connector_status_disconnected) - radeon_connector->detected_by_load = true; + } else { + enum drm_connector_status lret; + /* assume digital unless load detected otherwise */ + radeon_connector->use_digital = true; + lret = encoder_funcs->detect(encoder, connector); + DRM_DEBUG_KMS("load_detect %x returned: %x\n",encoder->encoder_type,lret); + if (lret == connector_status_connected) + radeon_connector->use_digital = false; } break; } diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 5677a424b58..6857cb4efb7 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -295,6 +295,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); struct drm_device *dev = crtc->dev; struct radeon_device *rdev = dev->dev_private; + uint32_t crtc_ext_cntl = 0; uint32_t mask; if (radeon_crtc->crtc_id) @@ -307,6 +308,16 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS); + /* + * On all dual CRTC GPUs this bit controls the CRTC of the primary DAC. + * Therefore it is set in the DAC DMPS function. + * This is different for GPU's with a single CRTC but a primary and a + * TV DAC: here it controls the single CRTC no matter where it is + * routed. Therefore we set it here. + */ + if (rdev->flags & RADEON_SINGLE_CRTC) + crtc_ext_cntl = RADEON_CRTC_CRT_ON; + switch (mode) { case DRM_MODE_DPMS_ON: radeon_crtc->enabled = true; @@ -317,7 +328,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, 0, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); radeon_crtc_load_lut(crtc); @@ -331,7 +342,7 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) else { WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN | RADEON_CRTC_DISP_REQ_EN_B)); - WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~mask); + WREG32_P(RADEON_CRTC_EXT_CNTL, mask, ~(mask | crtc_ext_cntl)); } radeon_crtc->enabled = false; /* adjust pm to dpms changes AFTER disabling crtcs */ diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c index 0063df9d166..f5ba2241dac 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c @@ -537,7 +537,9 @@ static void radeon_legacy_primary_dac_dpms(struct drm_encoder *encoder, int mode break; } - WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); + /* handled in radeon_crtc_dpms() */ + if (!(rdev->flags & RADEON_SINGLE_CRTC)) + WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); WREG32(RADEON_DAC_CNTL, dac_cntl); WREG32(RADEON_DAC_MACRO_CNTL, dac_macro_cntl); @@ -662,6 +664,8 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc if (ASIC_IS_R300(rdev)) tmp |= (0x1b6 << RADEON_DAC_FORCE_DATA_SHIFT); + else if (ASIC_IS_RV100(rdev)) + tmp |= (0x1ac << RADEON_DAC_FORCE_DATA_SHIFT); else tmp |= (0x180 << RADEON_DAC_FORCE_DATA_SHIFT); @@ -671,6 +675,7 @@ static enum drm_connector_status radeon_legacy_primary_dac_detect(struct drm_enc tmp |= RADEON_DAC_RANGE_CNTL_PS2 | RADEON_DAC_CMP_EN; WREG32(RADEON_DAC_CNTL, tmp); + tmp = dac_macro_cntl; tmp &= ~(RADEON_DAC_PDWN_R | RADEON_DAC_PDWN_G | RADEON_DAC_PDWN_B); @@ -1092,7 +1097,8 @@ static void radeon_legacy_tv_dac_dpms(struct drm_encoder *encoder, int mode) } else { if (is_tv) WREG32(RADEON_TV_MASTER_CNTL, tv_master_cntl); - else + /* handled in radeon_crtc_dpms() */ + else if (!(rdev->flags & RADEON_SINGLE_CRTC)) WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); } @@ -1416,13 +1422,104 @@ static bool radeon_legacy_tv_detect(struct drm_encoder *encoder, return found; } +static bool radeon_legacy_ext_dac_detect(struct drm_encoder *encoder, + struct drm_connector *connector) +{ + struct drm_device *dev = encoder->dev; + struct radeon_device *rdev = dev->dev_private; + uint32_t gpio_monid, fp2_gen_cntl, disp_output_cntl, crtc2_gen_cntl; + uint32_t disp_lin_trans_grph_a, disp_lin_trans_grph_b, disp_lin_trans_grph_c; + uint32_t disp_lin_trans_grph_d, disp_lin_trans_grph_e, disp_lin_trans_grph_f; + uint32_t tmp, crtc2_h_total_disp, crtc2_v_total_disp; + uint32_t crtc2_h_sync_strt_wid, crtc2_v_sync_strt_wid; + bool found = false; + int i; + + /* save the regs we need */ + gpio_monid = RREG32(RADEON_GPIO_MONID); + fp2_gen_cntl = RREG32(RADEON_FP2_GEN_CNTL); + disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); + crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + disp_lin_trans_grph_a = RREG32(RADEON_DISP_LIN_TRANS_GRPH_A); + disp_lin_trans_grph_b = RREG32(RADEON_DISP_LIN_TRANS_GRPH_B); + disp_lin_trans_grph_c = RREG32(RADEON_DISP_LIN_TRANS_GRPH_C); + disp_lin_trans_grph_d = RREG32(RADEON_DISP_LIN_TRANS_GRPH_D); + disp_lin_trans_grph_e = RREG32(RADEON_DISP_LIN_TRANS_GRPH_E); + disp_lin_trans_grph_f = RREG32(RADEON_DISP_LIN_TRANS_GRPH_F); + crtc2_h_total_disp = RREG32(RADEON_CRTC2_H_TOTAL_DISP); + crtc2_v_total_disp = RREG32(RADEON_CRTC2_V_TOTAL_DISP); + crtc2_h_sync_strt_wid = RREG32(RADEON_CRTC2_H_SYNC_STRT_WID); + crtc2_v_sync_strt_wid = RREG32(RADEON_CRTC2_V_SYNC_STRT_WID); + + tmp = RREG32(RADEON_GPIO_MONID); + tmp &= ~RADEON_GPIO_A_0; + WREG32(RADEON_GPIO_MONID, tmp); + + WREG32(RADEON_FP2_GEN_CNTL, (RADEON_FP2_ON | + RADEON_FP2_PANEL_FORMAT | + R200_FP2_SOURCE_SEL_TRANS_UNIT | + RADEON_FP2_DVO_EN | + R200_FP2_DVO_RATE_SEL_SDR)); + + WREG32(RADEON_DISP_OUTPUT_CNTL, (RADEON_DISP_DAC_SOURCE_RMX | + RADEON_DISP_TRANS_MATRIX_GRAPHICS)); + + WREG32(RADEON_CRTC2_GEN_CNTL, (RADEON_CRTC2_EN | + RADEON_CRTC2_DISP_REQ_EN_B)); + + WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, 0x000003f0); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, 0x000003f0); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, 0x00000000); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, 0x000003f0); + + WREG32(RADEON_CRTC2_H_TOTAL_DISP, 0x01000008); + WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, 0x00000800); + WREG32(RADEON_CRTC2_V_TOTAL_DISP, 0x00080001); + WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, 0x00000080); + + for (i = 0; i < 200; i++) { + tmp = RREG32(RADEON_GPIO_MONID); + if (tmp & RADEON_GPIO_Y_0) + found = true; + + if (found) + break; + + if (!drm_can_sleep()) + mdelay(1); + else + msleep(1); + } + + /* restore the regs we used */ + WREG32(RADEON_DISP_LIN_TRANS_GRPH_A, disp_lin_trans_grph_a); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_B, disp_lin_trans_grph_b); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_C, disp_lin_trans_grph_c); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_D, disp_lin_trans_grph_d); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_E, disp_lin_trans_grph_e); + WREG32(RADEON_DISP_LIN_TRANS_GRPH_F, disp_lin_trans_grph_f); + WREG32(RADEON_CRTC2_H_TOTAL_DISP, crtc2_h_total_disp); + WREG32(RADEON_CRTC2_V_TOTAL_DISP, crtc2_v_total_disp); + WREG32(RADEON_CRTC2_H_SYNC_STRT_WID, crtc2_h_sync_strt_wid); + WREG32(RADEON_CRTC2_V_SYNC_STRT_WID, crtc2_v_sync_strt_wid); + WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); + WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); + WREG32(RADEON_FP2_GEN_CNTL, fp2_gen_cntl); + WREG32(RADEON_GPIO_MONID, gpio_monid); + + return found; +} + static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) { struct drm_device *dev = encoder->dev; struct radeon_device *rdev = dev->dev_private; - uint32_t crtc2_gen_cntl, tv_dac_cntl, dac_cntl2, dac_ext_cntl; - uint32_t disp_hw_debug, disp_output_cntl, gpiopad_a, pixclks_cntl, tmp; + uint32_t crtc2_gen_cntl = 0, tv_dac_cntl, dac_cntl2, dac_ext_cntl; + uint32_t gpiopad_a = 0, pixclks_cntl, tmp; + uint32_t disp_output_cntl = 0, disp_hw_debug = 0, crtc_ext_cntl = 0; enum drm_connector_status found = connector_status_disconnected; struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); struct radeon_encoder_tv_dac *tv_dac = radeon_encoder->enc_priv; @@ -1459,12 +1556,27 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder return connector_status_disconnected; } + /* R200 uses an external DAC for secondary DAC */ + if (rdev->family == CHIP_R200) { + if (radeon_legacy_ext_dac_detect(encoder, connector)) + found = connector_status_connected; + return found; + } + /* save the regs we need */ pixclks_cntl = RREG32_PLL(RADEON_PIXCLKS_CNTL); - gpiopad_a = ASIC_IS_R300(rdev) ? RREG32(RADEON_GPIOPAD_A) : 0; - disp_output_cntl = ASIC_IS_R300(rdev) ? RREG32(RADEON_DISP_OUTPUT_CNTL) : 0; - disp_hw_debug = ASIC_IS_R300(rdev) ? 0 : RREG32(RADEON_DISP_HW_DEBUG); - crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + + if (rdev->flags & RADEON_SINGLE_CRTC) { + crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); + } else { + if (ASIC_IS_R300(rdev)) { + gpiopad_a = RREG32(RADEON_GPIOPAD_A); + disp_output_cntl = RREG32(RADEON_DISP_OUTPUT_CNTL); + } else { + disp_hw_debug = RREG32(RADEON_DISP_HW_DEBUG); + } + crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); + } tv_dac_cntl = RREG32(RADEON_TV_DAC_CNTL); dac_ext_cntl = RREG32(RADEON_DAC_EXT_CNTL); dac_cntl2 = RREG32(RADEON_DAC_CNTL2); @@ -1473,22 +1585,24 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder | RADEON_PIX2CLK_DAC_ALWAYS_ONb); WREG32_PLL(RADEON_PIXCLKS_CNTL, tmp); - if (ASIC_IS_R300(rdev)) - WREG32_P(RADEON_GPIOPAD_A, 1, ~1); - - tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; - tmp |= RADEON_CRTC2_CRT2_ON | - (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); - - WREG32(RADEON_CRTC2_GEN_CNTL, tmp); - - if (ASIC_IS_R300(rdev)) { - tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; - tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; - WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); + if (rdev->flags & RADEON_SINGLE_CRTC) { + tmp = crtc_ext_cntl | RADEON_CRTC_CRT_ON; + WREG32(RADEON_CRTC_EXT_CNTL, tmp); } else { - tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; - WREG32(RADEON_DISP_HW_DEBUG, tmp); + tmp = crtc2_gen_cntl & ~RADEON_CRTC2_PIX_WIDTH_MASK; + tmp |= RADEON_CRTC2_CRT2_ON | + (2 << RADEON_CRTC2_PIX_WIDTH_SHIFT); + WREG32(RADEON_CRTC2_GEN_CNTL, tmp); + + if (ASIC_IS_R300(rdev)) { + WREG32_P(RADEON_GPIOPAD_A, 1, ~1); + tmp = disp_output_cntl & ~RADEON_DISP_TVDAC_SOURCE_MASK; + tmp |= RADEON_DISP_TVDAC_SOURCE_CRTC2; + WREG32(RADEON_DISP_OUTPUT_CNTL, tmp); + } else { + tmp = disp_hw_debug & ~RADEON_CRT2_DISP1_SEL; + WREG32(RADEON_DISP_HW_DEBUG, tmp); + } } tmp = RADEON_TV_DAC_NBLANK | @@ -1530,14 +1644,19 @@ static enum drm_connector_status radeon_legacy_tv_dac_detect(struct drm_encoder WREG32(RADEON_DAC_CNTL2, dac_cntl2); WREG32(RADEON_DAC_EXT_CNTL, dac_ext_cntl); WREG32(RADEON_TV_DAC_CNTL, tv_dac_cntl); - WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); - if (ASIC_IS_R300(rdev)) { - WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); - WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); + if (rdev->flags & RADEON_SINGLE_CRTC) { + WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl); } else { - WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); + WREG32(RADEON_CRTC2_GEN_CNTL, crtc2_gen_cntl); + if (ASIC_IS_R300(rdev)) { + WREG32(RADEON_DISP_OUTPUT_CNTL, disp_output_cntl); + WREG32_P(RADEON_GPIOPAD_A, gpiopad_a, ~1); + } else { + WREG32(RADEON_DISP_HW_DEBUG, disp_hw_debug); + } } + WREG32_PLL(RADEON_PIXCLKS_CNTL, pixclks_cntl); return found; diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index b0db712060f..4422d630b33 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -2474,6 +2474,7 @@ static bool si_vm_reg_valid(u32 reg) /* check config regs */ switch (reg) { case GRBM_GFX_INDEX: + case CP_STRMOUT_CNTL: case VGT_VTX_VECT_EJECT_REG: case VGT_CACHE_INVALIDATION: case VGT_ESGS_RING_SIZE: diff --git a/drivers/gpu/drm/radeon/sid.h b/drivers/gpu/drm/radeon/sid.h index 7d2a20e5657..a8871afc5b4 100644 --- a/drivers/gpu/drm/radeon/sid.h +++ b/drivers/gpu/drm/radeon/sid.h @@ -424,6 +424,7 @@ # define RDERR_INT_ENABLE (1 << 0) # define GUI_IDLE_INT_ENABLE (1 << 19) +#define CP_STRMOUT_CNTL 0x84FC #define SCRATCH_REG0 0x8500 #define SCRATCH_REG1 0x8504 #define SCRATCH_REG2 0x8508 diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index 860dc4813e9..bd2a3b40cd1 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -749,7 +749,10 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, /* clear the pages coming from the pool if requested */ if (flags & TTM_PAGE_FLAG_ZERO_ALLOC) { list_for_each_entry(p, &plist, lru) { - clear_page(page_address(p)); + if (PageHighMem(p)) + clear_highpage(p); + else + clear_page(page_address(p)); } } diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c index bf8260133ea..7d759a43029 100644 --- a/drivers/gpu/drm/ttm/ttm_tt.c +++ b/drivers/gpu/drm/ttm/ttm_tt.c @@ -308,9 +308,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm) if (unlikely(to_page == NULL)) goto out_err; - preempt_disable(); copy_highpage(to_page, from_page); - preempt_enable(); page_cache_release(from_page); } @@ -358,9 +356,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage) ret = PTR_ERR(to_page); goto out_err; } - preempt_disable(); copy_highpage(to_page, from_page); - preempt_enable(); set_page_dirty(to_page); mark_page_accessed(to_page); page_cache_release(to_page); diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index fccd361f7b5..87aa5f5d3c8 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -104,7 +104,7 @@ udl_fb_user_fb_create(struct drm_device *dev, int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, - u32 byte_offset, u32 byte_width, + u32 byte_offset, u32 device_byte_offset, u32 byte_width, int *ident_ptr, int *sent_ptr); int udl_dumb_create(struct drm_file *file_priv, diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c index 69a2b16f42a..d4ab3beaada 100644 --- a/drivers/gpu/drm/udl/udl_fb.c +++ b/drivers/gpu/drm/udl/udl_fb.c @@ -114,9 +114,10 @@ static void udlfb_dpy_deferred_io(struct fb_info *info, list_for_each_entry(cur, &fbdefio->pagelist, lru) { if (udl_render_hline(dev, (ufbdev->ufb.base.bits_per_pixel / 8), - &urb, (char *) info->fix.smem_start, - &cmd, cur->index << PAGE_SHIFT, - PAGE_SIZE, &bytes_identical, &bytes_sent)) + &urb, (char *) info->fix.smem_start, + &cmd, cur->index << PAGE_SHIFT, + cur->index << PAGE_SHIFT, + PAGE_SIZE, &bytes_identical, &bytes_sent)) goto error; bytes_rendered += PAGE_SIZE; } @@ -187,10 +188,11 @@ int udl_handle_damage(struct udl_framebuffer *fb, int x, int y, for (i = y; i < y + height ; i++) { const int line_offset = fb->base.pitches[0] * i; const int byte_offset = line_offset + (x * bpp); - + const int dev_byte_offset = (fb->base.width * bpp * i) + (x * bpp); if (udl_render_hline(dev, bpp, &urb, (char *) fb->obj->vmapping, - &cmd, byte_offset, width * bpp, + &cmd, byte_offset, dev_byte_offset, + width * bpp, &bytes_identical, &bytes_sent)) goto error; } diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c index dc095526ffb..142fee5f983 100644 --- a/drivers/gpu/drm/udl/udl_transfer.c +++ b/drivers/gpu/drm/udl/udl_transfer.c @@ -213,11 +213,12 @@ static void udl_compress_hline16( */ int udl_render_hline(struct drm_device *dev, int bpp, struct urb **urb_ptr, const char *front, char **urb_buf_ptr, - u32 byte_offset, u32 byte_width, + u32 byte_offset, u32 device_byte_offset, + u32 byte_width, int *ident_ptr, int *sent_ptr) { const u8 *line_start, *line_end, *next_pixel; - u32 base16 = 0 + (byte_offset / bpp) * 2; + u32 base16 = 0 + (device_byte_offset / bpp) * 2; struct urb *urb = *urb_ptr; u8 *cmd = *urb_buf_ptr; u8 *cmd_end = (u8 *) urb->transfer_buffer + urb->transfer_buffer_length; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c index 3ce68a2e312..d1498bfd787 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_dmabuf.c @@ -306,7 +306,7 @@ void vmw_bo_pin(struct ttm_buffer_object *bo, bool pin) BUG_ON(!atomic_read(&bo->reserved)); BUG_ON(old_mem_type != TTM_PL_VRAM && - old_mem_type != VMW_PL_FLAG_GMR); + old_mem_type != VMW_PL_GMR); pl_flags = TTM_PL_FLAG_VRAM | VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED; if (pin) diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index ed3c1e7ddde..2dd185e42f2 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -1098,6 +1098,11 @@ static void vmw_pm_complete(struct device *kdev) struct drm_device *dev = pci_get_drvdata(pdev); struct vmw_private *dev_priv = vmw_priv(dev); + mutex_lock(&dev_priv->hw_mutex); + vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2); + (void) vmw_read(dev_priv, SVGA_REG_ID); + mutex_unlock(&dev_priv->hw_mutex); + /** * Reclaim 3d reference held by fbdev and potentially * start fifo. diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index b07ca2e4d04..7290811f89b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -110,6 +110,8 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, memcpy_fromio(bounce, &fifo_mem[SVGA_FIFO_3D_CAPS], size); ret = copy_to_user(buffer, bounce, size); + if (ret) + ret = -EFAULT; vfree(bounce); if (unlikely(ret != 0)) diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 06ebdbb6ea0..fd7722aecf7 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -522,6 +522,12 @@ static const struct hid_device_id apple_devices[] = { .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + .driver_data = APPLE_HAS_FN }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), + .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI), .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO), diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index bd3971bf31b..f4109fd657f 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1532,6 +1532,9 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) }, @@ -2139,6 +2142,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) }, + { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) }, { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) }, { } diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 269b50912a4..9d7a42857ea 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -118,6 +118,9 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253 #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 #define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a #define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index 3acdcfcc17d..6fcd466d082 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -28,22 +28,30 @@ #define MS_RDESC 0x08 #define MS_NOGET 0x10 #define MS_DUPLICATE_USAGES 0x20 +#define MS_RDESC_3K 0x40 -/* - * Microsoft Wireless Desktop Receiver (Model 1028) has - * 'Usage Min/Max' where it ought to have 'Physical Min/Max' - */ static __u8 *ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); + /* + * Microsoft Wireless Desktop Receiver (Model 1028) has + * 'Usage Min/Max' where it ought to have 'Physical Min/Max' + */ if ((quirks & MS_RDESC) && *rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { hid_info(hdev, "fixing up Microsoft Wireless Receiver Model 1028 report descriptor\n"); rdesc[557] = 0x35; rdesc[559] = 0x45; } + /* the same as above (s/usage/physical/) */ + if ((quirks & MS_RDESC_3K) && *rsize == 106 && rdesc[94] == 0x19 && + rdesc[95] == 0x00 && rdesc[96] == 0x29 && + rdesc[97] == 0xff) { + rdesc[94] = 0x35; + rdesc[96] = 0x45; + } return rdesc; } @@ -192,7 +200,7 @@ static const struct hid_device_id ms_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB), .driver_data = MS_PRESENTER }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K), - .driver_data = MS_ERGONOMY }, + .driver_data = MS_ERGONOMY | MS_RDESC_3K }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0), .driver_data = MS_NOGET }, { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500), diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 3eb02b94fc8..7867d69f0ef 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -210,8 +210,7 @@ static struct mt_class mt_classes[] = { }, { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | - MT_QUIRK_SLOT_IS_CONTACTNUMBER, - .maxcontacts = 10 + MT_QUIRK_SLOT_IS_CONTACTNUMBER }, { .name = MT_CLS_FLATFROG, @@ -421,11 +420,11 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, * contact max are global to the report */ td->last_field_index = field->index; return -1; - } case HID_DG_TOUCH: /* Legacy devices use TIPSWITCH and not TOUCH. * Let's just ignore this field. */ return -1; + } /* let hid-input decide for the others */ return 0; diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 17d15bb610d..7c47fc3f7b2 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -42,7 +42,6 @@ static struct cdev hidraw_cdev; static struct class *hidraw_class; static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES]; static DEFINE_MUTEX(minors_lock); -static void drop_ref(struct hidraw *hid, int exists_bit); static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { @@ -114,7 +113,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, __u8 *buf; int ret = 0; - if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + if (!hidraw_table[minor]) { ret = -ENODEV; goto out; } @@ -262,7 +261,7 @@ static int hidraw_open(struct inode *inode, struct file *file) } mutex_lock(&minors_lock); - if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { + if (!hidraw_table[minor]) { err = -ENODEV; goto out_unlock; } @@ -299,12 +298,36 @@ out: static int hidraw_release(struct inode * inode, struct file * file) { unsigned int minor = iminor(inode); + struct hidraw *dev; struct hidraw_list *list = file->private_data; + int ret; + int i; + + mutex_lock(&minors_lock); + if (!hidraw_table[minor]) { + ret = -ENODEV; + goto unlock; + } - drop_ref(hidraw_table[minor], 0); list_del(&list->node); + dev = hidraw_table[minor]; + if (!--dev->open) { + if (list->hidraw->exist) { + hid_hw_power(dev->hid, PM_HINT_NORMAL); + hid_hw_close(dev->hid); + } else { + kfree(list->hidraw); + } + } + + for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i) + kfree(list->buffer[i].value); kfree(list); - return 0; + ret = 0; +unlock: + mutex_unlock(&minors_lock); + + return ret; } static long hidraw_ioctl(struct file *file, unsigned int cmd, @@ -506,7 +529,21 @@ EXPORT_SYMBOL_GPL(hidraw_connect); void hidraw_disconnect(struct hid_device *hid) { struct hidraw *hidraw = hid->hidraw; - drop_ref(hidraw, 1); + + mutex_lock(&minors_lock); + hidraw->exist = 0; + + device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); + + hidraw_table[hidraw->minor] = NULL; + + if (hidraw->open) { + hid_hw_close(hid); + wake_up_interruptible(&hidraw->wait); + } else { + kfree(hidraw); + } + mutex_unlock(&minors_lock); } EXPORT_SYMBOL_GPL(hidraw_disconnect); @@ -555,23 +592,3 @@ void hidraw_exit(void) unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); } - -static void drop_ref(struct hidraw *hidraw, int exists_bit) -{ - mutex_lock(&minors_lock); - if (exists_bit) { - hid_hw_close(hidraw->hid); - hidraw->exist = 0; - if (hidraw->open) - wake_up_interruptible(&hidraw->wait); - } else { - --hidraw->open; - } - - if (!hidraw->open && !hidraw->exist) { - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - hidraw_table[hidraw->minor] = NULL; - kfree(hidraw); - } - mutex_unlock(&minors_lock); -} diff --git a/drivers/hwmon/asb100.c b/drivers/hwmon/asb100.c index a227be47149..520e5bf4f76 100644 --- a/drivers/hwmon/asb100.c +++ b/drivers/hwmon/asb100.c @@ -32,7 +32,7 @@ * ASB100-A supports pwm1, while plain ASB100 does not. There is no known * way for the driver to tell which one is there. * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * asb100 7 3 1 4 0x31 0x0694 yes no */ diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c index 68ad7d25551..4f411040738 100644 --- a/drivers/hwmon/fam15h_power.c +++ b/drivers/hwmon/fam15h_power.c @@ -2,7 +2,7 @@ * fam15h_power.c - AMD Family 15h processor power monitoring * * Copyright (c) 2011 Advanced Micro Devices, Inc. - * Author: Andreas Herrmann <andreas.herrmann3@amd.com> + * Author: Andreas Herrmann <herrmann.der.user@googlemail.com> * * * This driver is free software; you can redistribute it and/or @@ -28,7 +28,7 @@ #include <asm/processor.h> MODULE_DESCRIPTION("AMD Family 15h CPU processor power monitor"); -MODULE_AUTHOR("Andreas Herrmann <andreas.herrmann3@amd.com>"); +MODULE_AUTHOR("Andreas Herrmann <herrmann.der.user@googlemail.com>"); MODULE_LICENSE("GPL"); /* D18F3 */ diff --git a/drivers/hwmon/gpio-fan.c b/drivers/hwmon/gpio-fan.c index 36509ae3208..1381a2e3bbd 100644 --- a/drivers/hwmon/gpio-fan.c +++ b/drivers/hwmon/gpio-fan.c @@ -630,7 +630,9 @@ static struct platform_driver gpio_fan_driver = { .driver = { .name = "gpio-fan", .pm = GPIO_FAN_PM, +#ifdef CONFIG_OF_GPIO .of_match_table = of_match_ptr(of_gpio_fan_match), +#endif }, }; diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c index 1821b7423d5..de3c7e04c3b 100644 --- a/drivers/hwmon/w83627ehf.c +++ b/drivers/hwmon/w83627ehf.c @@ -2083,6 +2083,7 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev) mutex_init(&data->lock); mutex_init(&data->update_lock); data->name = w83627ehf_device_names[sio_data->kind]; + data->bank = 0xff; /* Force initial bank selection */ platform_set_drvdata(pdev, data); /* 627EHG and 627EHF have 10 voltage inputs; 627DHG and 667HG have 9 */ diff --git a/drivers/hwmon/w83627hf.c b/drivers/hwmon/w83627hf.c index 5b1a6a66644..af158990870 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -25,7 +25,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83627hf 9 3 2 3 0x20 0x5ca3 no yes(LPC) * w83627thf 7 3 3 3 0x90 0x5ca3 no yes(LPC) * w83637hf 7 3 3 3 0x80 0x5ca3 no yes(LPC) diff --git a/drivers/hwmon/w83781d.c b/drivers/hwmon/w83781d.c index 5a5046d94c3..20f11d31da4 100644 --- a/drivers/hwmon/w83781d.c +++ b/drivers/hwmon/w83781d.c @@ -24,7 +24,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * as99127f 7 3 0 3 0x31 0x12c3 yes no * as99127f rev.2 (type_name = as99127f) 0x31 0x5ca3 yes no * w83781d 7 3 0 3 0x10-1 0x5ca3 yes yes diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 39ab7bcc616..ed397c64519 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -22,7 +22,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83791d 10 5 5 3 0x71 0x5ca3 yes no * * The w83791d chip appears to be part way between the 83781d and the diff --git a/drivers/hwmon/w83792d.c b/drivers/hwmon/w83792d.c index 053645279f3..301942d0845 100644 --- a/drivers/hwmon/w83792d.c +++ b/drivers/hwmon/w83792d.c @@ -31,7 +31,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83792d 9 7 7 3 0x7a 0x5ca3 yes no */ diff --git a/drivers/hwmon/w83l786ng.c b/drivers/hwmon/w83l786ng.c index f0e8286c3c7..79710bcac2f 100644 --- a/drivers/hwmon/w83l786ng.c +++ b/drivers/hwmon/w83l786ng.c @@ -20,7 +20,7 @@ /* * Supports following chips: * - * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA + * Chip #vin #fanin #pwm #temp wchipid vendid i2c ISA * w83l786ng 3 2 2 2 0x7b 0x5ca3 yes no */ diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index beee6b2d361..1722f50f247 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -8,6 +8,7 @@ obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o obj-$(CONFIG_I2C_MUX) += i2c-mux.o obj-y += algos/ busses/ muxes/ +obj-$(CONFIG_I2C_STUB) += i2c-stub.o ccflags-$(CONFIG_I2C_DEBUG_CORE) := -DDEBUG CFLAGS_i2c-core.o := -Wno-deprecated-declarations diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index 65dd599a026..e9df4612b7e 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -81,7 +81,6 @@ config I2C_I801 tristate "Intel 82801 (ICH/PCH)" depends on PCI select CHECK_SIGNATURE if X86 && DMI - select GPIOLIB if I2C_MUX help If you say yes to this option, support will be included for the Intel 801 family of mainboard I2C interfaces. Specifically, the following diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index 2d33d62952c..395b516ffa0 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -85,7 +85,6 @@ obj-$(CONFIG_I2C_ACORN) += i2c-acorn.o obj-$(CONFIG_I2C_ELEKTOR) += i2c-elektor.o obj-$(CONFIG_I2C_PCA_ISA) += i2c-pca-isa.o obj-$(CONFIG_I2C_SIBYTE) += i2c-sibyte.o -obj-$(CONFIG_I2C_STUB) += i2c-stub.o obj-$(CONFIG_SCx200_ACB) += scx200_acb.o obj-$(CONFIG_SCx200_I2C) += scx200_i2c.o diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 37793156bd9..6abc00d5988 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -82,7 +82,8 @@ #include <linux/wait.h> #include <linux/err.h> -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI #include <linux/gpio.h> #include <linux/i2c-mux-gpio.h> #include <linux/platform_device.h> @@ -192,7 +193,8 @@ struct i801_priv { int len; u8 *data; -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI const struct i801_mux_config *mux_drvdata; struct platform_device *mux_pdev; #endif @@ -921,7 +923,8 @@ static void __init input_apanel_init(void) {} static void __devinit i801_probe_optional_slaves(struct i801_priv *priv) {} #endif /* CONFIG_X86 && CONFIG_DMI */ -#if defined CONFIG_I2C_MUX || defined CONFIG_I2C_MUX_MODULE +#if (defined CONFIG_I2C_MUX_GPIO || defined CONFIG_I2C_MUX_GPIO_MODULE) && \ + defined CONFIG_DMI static struct i801_mux_config i801_mux_config_asus_z8_d12 = { .gpio_chip = "gpio_ich", .values = { 0x02, 0x03 }, @@ -1059,7 +1062,7 @@ static unsigned int __devinit i801_get_adapter_class(struct i801_priv *priv) id = dmi_first_match(mux_dmi_table); if (id) { - /* Remove from branch classes from trunk */ + /* Remove branch classes from trunk */ mux_config = id->driver_data; for (i = 0; i < mux_config->n_values; i++) class &= ~mux_config->classes[i]; diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 1f58197062c..286ca191782 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -1,7 +1,7 @@ /* * Freescale MXS I2C bus driver * - * Copyright (C) 2011 Wolfram Sang, Pengutronix e.K. + * Copyright (C) 2011-2012 Wolfram Sang, Pengutronix e.K. * * based on a (non-working) driver which was: * @@ -35,10 +35,6 @@ #define DRIVER_NAME "mxs-i2c" -static bool use_pioqueue; -module_param(use_pioqueue, bool, 0); -MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA"); - #define MXS_I2C_CTRL0 (0x00) #define MXS_I2C_CTRL0_SET (0x04) @@ -75,23 +71,6 @@ MODULE_PARM_DESC(use_pioqueue, "Use PIOQUEUE mode for transfer instead of DMA"); MXS_I2C_CTRL1_SLAVE_STOP_IRQ | \ MXS_I2C_CTRL1_SLAVE_IRQ) -#define MXS_I2C_QUEUECTRL (0x60) -#define MXS_I2C_QUEUECTRL_SET (0x64) -#define MXS_I2C_QUEUECTRL_CLR (0x68) - -#define MXS_I2C_QUEUECTRL_QUEUE_RUN 0x20 -#define MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE 0x04 - -#define MXS_I2C_QUEUESTAT (0x70) -#define MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY 0x00002000 -#define MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK 0x0000001F - -#define MXS_I2C_QUEUECMD (0x80) - -#define MXS_I2C_QUEUEDATA (0x90) - -#define MXS_I2C_DATA (0xa0) - #define MXS_CMD_I2C_SELECT (MXS_I2C_CTRL0_RETAIN_CLOCK | \ MXS_I2C_CTRL0_PRE_SEND_START | \ @@ -153,7 +132,6 @@ struct mxs_i2c_dev { const struct mxs_i2c_speed_config *speed; /* DMA support components */ - bool dma_mode; int dma_channel; struct dma_chan *dmach; struct mxs_dma_data dma_data; @@ -172,99 +150,6 @@ static void mxs_i2c_reset(struct mxs_i2c_dev *i2c) writel(i2c->speed->timing2, i2c->regs + MXS_I2C_TIMING2); writel(MXS_I2C_IRQ_MASK << 8, i2c->regs + MXS_I2C_CTRL1_SET); - if (i2c->dma_mode) - writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE, - i2c->regs + MXS_I2C_QUEUECTRL_CLR); - else - writel(MXS_I2C_QUEUECTRL_PIO_QUEUE_MODE, - i2c->regs + MXS_I2C_QUEUECTRL_SET); -} - -static void mxs_i2c_pioq_setup_read(struct mxs_i2c_dev *i2c, u8 addr, int len, - int flags) -{ - u32 data; - - writel(MXS_CMD_I2C_SELECT, i2c->regs + MXS_I2C_QUEUECMD); - - data = (addr << 1) | I2C_SMBUS_READ; - writel(data, i2c->regs + MXS_I2C_DATA); - - data = MXS_CMD_I2C_READ | MXS_I2C_CTRL0_XFER_COUNT(len) | flags; - writel(data, i2c->regs + MXS_I2C_QUEUECMD); -} - -static void mxs_i2c_pioq_setup_write(struct mxs_i2c_dev *i2c, - u8 addr, u8 *buf, int len, int flags) -{ - u32 data; - int i, shifts_left; - - data = MXS_CMD_I2C_WRITE | MXS_I2C_CTRL0_XFER_COUNT(len + 1) | flags; - writel(data, i2c->regs + MXS_I2C_QUEUECMD); - - /* - * We have to copy the slave address (u8) and buffer (arbitrary number - * of u8) into the data register (u32). To achieve that, the u8 are put - * into the MSBs of 'data' which is then shifted for the next u8. When - * appropriate, 'data' is written to MXS_I2C_DATA. So, the first u32 - * looks like this: - * - * 3 2 1 0 - * 10987654|32109876|54321098|76543210 - * --------+--------+--------+-------- - * buffer+2|buffer+1|buffer+0|slave_addr - */ - - data = ((addr << 1) | I2C_SMBUS_WRITE) << 24; - - for (i = 0; i < len; i++) { - data >>= 8; - data |= buf[i] << 24; - if ((i & 3) == 2) - writel(data, i2c->regs + MXS_I2C_DATA); - } - - /* Write out the remaining bytes if any */ - shifts_left = 24 - (i & 3) * 8; - if (shifts_left) - writel(data >> shifts_left, i2c->regs + MXS_I2C_DATA); -} - -/* - * TODO: should be replaceable with a waitqueue and RD_QUEUE_IRQ (setting the - * rd_threshold to 1). Couldn't get this to work, though. - */ -static int mxs_i2c_wait_for_data(struct mxs_i2c_dev *i2c) -{ - unsigned long timeout = jiffies + msecs_to_jiffies(1000); - - while (readl(i2c->regs + MXS_I2C_QUEUESTAT) - & MXS_I2C_QUEUESTAT_RD_QUEUE_EMPTY) { - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - cond_resched(); - } - - return 0; -} - -static int mxs_i2c_finish_read(struct mxs_i2c_dev *i2c, u8 *buf, int len) -{ - u32 uninitialized_var(data); - int i; - - for (i = 0; i < len; i++) { - if ((i & 3) == 0) { - if (mxs_i2c_wait_for_data(i2c)) - return -ETIMEDOUT; - data = readl(i2c->regs + MXS_I2C_QUEUEDATA); - } - buf[i] = data & 0xff; - data >>= 8; - } - - return 0; } static void mxs_i2c_dma_finish(struct mxs_i2c_dev *i2c) @@ -432,39 +317,17 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, init_completion(&i2c->cmd_complete); i2c->cmd_err = 0; - if (i2c->dma_mode) { - ret = mxs_i2c_dma_setup_xfer(adap, msg, flags); - if (ret) - return ret; - } else { - if (msg->flags & I2C_M_RD) { - mxs_i2c_pioq_setup_read(i2c, msg->addr, - msg->len, flags); - } else { - mxs_i2c_pioq_setup_write(i2c, msg->addr, msg->buf, - msg->len, flags); - } - - writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, - i2c->regs + MXS_I2C_QUEUECTRL_SET); - } + ret = mxs_i2c_dma_setup_xfer(adap, msg, flags); + if (ret) + return ret; ret = wait_for_completion_timeout(&i2c->cmd_complete, msecs_to_jiffies(1000)); if (ret == 0) goto timeout; - if (!i2c->dma_mode && !i2c->cmd_err && (msg->flags & I2C_M_RD)) { - ret = mxs_i2c_finish_read(i2c, msg->buf, msg->len); - if (ret) - goto timeout; - } - if (i2c->cmd_err == -ENXIO) mxs_i2c_reset(i2c); - else - writel(MXS_I2C_QUEUECTRL_QUEUE_RUN, - i2c->regs + MXS_I2C_QUEUECTRL_CLR); dev_dbg(i2c->dev, "Done with err=%d\n", i2c->cmd_err); @@ -472,8 +335,7 @@ static int mxs_i2c_xfer_msg(struct i2c_adapter *adap, struct i2c_msg *msg, timeout: dev_dbg(i2c->dev, "Timeout!\n"); - if (i2c->dma_mode) - mxs_i2c_dma_finish(i2c); + mxs_i2c_dma_finish(i2c); mxs_i2c_reset(i2c); return -ETIMEDOUT; } @@ -502,7 +364,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) { struct mxs_i2c_dev *i2c = dev_id; u32 stat = readl(i2c->regs + MXS_I2C_CTRL1) & MXS_I2C_IRQ_MASK; - bool is_last_cmd; if (!stat) return IRQ_NONE; @@ -515,14 +376,6 @@ static irqreturn_t mxs_i2c_isr(int this_irq, void *dev_id) /* MXS_I2C_CTRL1_OVERSIZE_XFER_TERM_IRQ is only for slaves */ i2c->cmd_err = -EIO; - if (!i2c->dma_mode) { - is_last_cmd = (readl(i2c->regs + MXS_I2C_QUEUESTAT) & - MXS_I2C_QUEUESTAT_WRITE_QUEUE_CNT_MASK) == 0; - - if (is_last_cmd || i2c->cmd_err) - complete(&i2c->cmd_complete); - } - writel(stat, i2c->regs + MXS_I2C_CTRL1_CLR); return IRQ_HANDLED; @@ -556,23 +409,14 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c) int ret; /* - * The MXS I2C DMA mode is prefered and enabled by default. - * The PIO mode is still supported, but should be used only - * for debuging purposes etc. - */ - i2c->dma_mode = !use_pioqueue; - if (!i2c->dma_mode) - dev_info(dev, "Using PIOQUEUE mode for I2C transfers!\n"); - - /* * TODO: This is a temporary solution and should be changed * to use generic DMA binding later when the helpers get in. */ ret = of_property_read_u32(node, "fsl,i2c-dma-channel", &i2c->dma_channel); if (ret) { - dev_warn(dev, "Failed to get DMA channel, using PIOQUEUE!\n"); - i2c->dma_mode = 0; + dev_err(dev, "Failed to get DMA channel!\n"); + return -ENODEV; } ret = of_property_read_u32(node, "clock-frequency", &speed); @@ -634,15 +478,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev) } /* Setup the DMA */ - if (i2c->dma_mode) { - dma_cap_zero(mask); - dma_cap_set(DMA_SLAVE, mask); - i2c->dma_data.chan_irq = dmairq; - i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c); - if (!i2c->dmach) { - dev_err(dev, "Failed to request dma\n"); - return -ENODEV; - } + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + i2c->dma_data.chan_irq = dmairq; + i2c->dmach = dma_request_channel(mask, mxs_i2c_dma_filter, i2c); + if (!i2c->dmach) { + dev_err(dev, "Failed to request dma\n"); + return -ENODEV; } platform_set_drvdata(pdev, i2c); diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 698d7acb0f0..02c3115a2df 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -644,7 +644,11 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, pm_runtime_get_sync(&dev->adev->dev); - clk_enable(dev->clk); + status = clk_prepare_enable(dev->clk); + if (status) { + dev_err(&dev->adev->dev, "can't prepare_enable clock\n"); + goto out_clk; + } status = init_hw(dev); if (status) @@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap, } out: - clk_disable(dev->clk); + clk_disable_unprepare(dev->clk); +out_clk: pm_runtime_put_sync(&dev->adev->dev); dev->busy = false; diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index f981ac4e678..dcea77bf6f5 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -742,7 +742,7 @@ static int __devinit tegra_i2c_probe(struct platform_device *pdev) } ret = devm_request_irq(&pdev->dev, i2c_dev->irq, - tegra_i2c_isr, 0, pdev->name, i2c_dev); + tegra_i2c_isr, 0, dev_name(&pdev->dev), i2c_dev); if (ret) { dev_err(&pdev->dev, "Failed to request irq %i\n", i2c_dev->irq); return ret; diff --git a/drivers/i2c/busses/i2c-stub.c b/drivers/i2c/i2c-stub.c index b1b3447942c..d0a9c590c3c 100644 --- a/drivers/i2c/busses/i2c-stub.c +++ b/drivers/i2c/i2c-stub.c @@ -2,7 +2,7 @@ i2c-stub.c - I2C/SMBus chip emulator Copyright (c) 2004 Mark M. Hoffman <mhoffman@lightlink.com> - Copyright (C) 2007 Jean Delvare <khali@linux-fr.org> + Copyright (C) 2007, 2012 Jean Delvare <khali@linux-fr.org> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -51,8 +51,8 @@ struct stub_chip { static struct stub_chip *stub_chips; /* Return negative errno on error. */ -static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, - char read_write, u8 command, int size, union i2c_smbus_data * data) +static s32 stub_xfer(struct i2c_adapter *adap, u16 addr, unsigned short flags, + char read_write, u8 command, int size, union i2c_smbus_data *data) { s32 ret; int i, len; @@ -78,14 +78,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_BYTE: if (read_write == I2C_SMBUS_WRITE) { chip->pointer = command; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "wrote 0x%02x.\n", - addr, command); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, wrote 0x%02x.\n", + addr, command); } else { data->byte = chip->words[chip->pointer++] & 0xff; - dev_dbg(&adap->dev, "smbus byte - addr 0x%02x, " - "read 0x%02x.\n", - addr, data->byte); + dev_dbg(&adap->dev, + "smbus byte - addr 0x%02x, read 0x%02x.\n", + addr, data->byte); } ret = 0; @@ -95,14 +95,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, if (read_write == I2C_SMBUS_WRITE) { chip->words[command] &= 0xff00; chip->words[command] |= data->byte; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "wrote 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, wrote 0x%02x at 0x%02x.\n", + addr, data->byte, command); } else { data->byte = chip->words[command] & 0xff; - dev_dbg(&adap->dev, "smbus byte data - addr 0x%02x, " - "read 0x%02x at 0x%02x.\n", - addr, data->byte, command); + dev_dbg(&adap->dev, + "smbus byte data - addr 0x%02x, read 0x%02x at 0x%02x.\n", + addr, data->byte, command); } chip->pointer = command + 1; @@ -112,14 +112,14 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, case I2C_SMBUS_WORD_DATA: if (read_write == I2C_SMBUS_WRITE) { chip->words[command] = data->word; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "wrote 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, wrote 0x%04x at 0x%02x.\n", + addr, data->word, command); } else { data->word = chip->words[command]; - dev_dbg(&adap->dev, "smbus word data - addr 0x%02x, " - "read 0x%04x at 0x%02x.\n", - addr, data->word, command); + dev_dbg(&adap->dev, + "smbus word data - addr 0x%02x, read 0x%04x at 0x%02x.\n", + addr, data->word, command); } ret = 0; @@ -132,17 +132,17 @@ static s32 stub_xfer(struct i2c_adapter * adap, u16 addr, unsigned short flags, chip->words[command + i] &= 0xff00; chip->words[command + i] |= data->block[1 + i]; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "wrote %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, wrote %d bytes at 0x%02x.\n", + addr, len, command); } else { for (i = 0; i < len; i++) { data->block[1 + i] = chip->words[command + i] & 0xff; } - dev_dbg(&adap->dev, "i2c block data - addr 0x%02x, " - "read %d bytes at 0x%02x.\n", - addr, len, command); + dev_dbg(&adap->dev, + "i2c block data - addr 0x%02x, read %d bytes at 0x%02x.\n", + addr, len, command); } ret = 0; @@ -179,25 +179,24 @@ static int __init i2c_stub_init(void) int i, ret; if (!chip_addr[0]) { - printk(KERN_ERR "i2c-stub: Please specify a chip address\n"); + pr_err("i2c-stub: Please specify a chip address\n"); return -ENODEV; } for (i = 0; i < MAX_CHIPS && chip_addr[i]; i++) { if (chip_addr[i] < 0x03 || chip_addr[i] > 0x77) { - printk(KERN_ERR "i2c-stub: Invalid chip address " - "0x%02x\n", chip_addr[i]); + pr_err("i2c-stub: Invalid chip address 0x%02x\n", + chip_addr[i]); return -EINVAL; } - printk(KERN_INFO "i2c-stub: Virtual chip at 0x%02x\n", - chip_addr[i]); + pr_info("i2c-stub: Virtual chip at 0x%02x\n", chip_addr[i]); } /* Allocate memory for all chips at once */ stub_chips = kzalloc(i * sizeof(struct stub_chip), GFP_KERNEL); if (!stub_chips) { - printk(KERN_ERR "i2c-stub: Out of memory\n"); + pr_err("i2c-stub: Out of memory\n"); return -ENOMEM; } @@ -219,4 +218,3 @@ MODULE_LICENSE("GPL"); module_init(i2c_stub_init); module_exit(i2c_stub_exit); - diff --git a/drivers/i2c/muxes/i2c-mux-pinctrl.c b/drivers/i2c/muxes/i2c-mux-pinctrl.c index 5f097f309b9..7fa5b24b16d 100644 --- a/drivers/i2c/muxes/i2c-mux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-mux-pinctrl.c @@ -169,7 +169,7 @@ static int __devinit i2c_mux_pinctrl_probe(struct platform_device *pdev) mux->busses = devm_kzalloc(&pdev->dev, sizeof(mux->busses) * mux->pdata->bus_count, GFP_KERNEL); - if (!mux->states) { + if (!mux->busses) { dev_err(&pdev->dev, "Cannot allocate busses\n"); ret = -ENOMEM; goto err; diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index b4b65af8612..de0874054e9 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -335,6 +335,7 @@ config KEYBOARD_LOCOMO config KEYBOARD_LPC32XX tristate "LPC32XX matrix key scanner support" depends on ARCH_LPC32XX && OF + select INPUT_MATRIXKMAP help Say Y here if you want to use NXP LPC32XX SoC key scanner interface, connected to a key matrix. diff --git a/drivers/input/keyboard/pxa27x_keypad.c b/drivers/input/keyboard/pxa27x_keypad.c index 803ff6fe021..cad9d5dd597 100644 --- a/drivers/input/keyboard/pxa27x_keypad.c +++ b/drivers/input/keyboard/pxa27x_keypad.c @@ -368,6 +368,9 @@ static void pxa27x_keypad_config(struct pxa27x_keypad *keypad) unsigned int mask = 0, direct_key_num = 0; unsigned long kpc = 0; + /* clear pending interrupt bit */ + keypad_readl(KPC); + /* enable matrix keys with automatic scan */ if (pdata->matrix_key_rows && pdata->matrix_key_cols) { kpc |= KPC_ASACT | KPC_MIE | KPC_ME | KPC_MS_ALL; diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c index 02ca8680ea5..6f7d9901303 100644 --- a/drivers/input/misc/xen-kbdfront.c +++ b/drivers/input/misc/xen-kbdfront.c @@ -311,7 +311,6 @@ static void xenkbd_backend_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -350,6 +349,10 @@ InitWait: break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index 3a78f235fa3..2baff1b79a5 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -84,6 +84,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262 #define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263 #define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264 +/* MacbookPro10,2 (unibody, October 2012) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI 0x0259 +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO 0x025a +#define USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS 0x025b #define BCM5974_DEVICE(prod) { \ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \ @@ -137,6 +141,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS), + /* MacbookPro10,2 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS), /* Terminating entry */ {} }; @@ -379,6 +387,19 @@ static const struct bcm5974_config bcm5974_config_table[] = { { SN_COORD, -150, 6730 }, { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } + }, {} }; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index 2c1e12bf2ab..858ad446de9 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -391,7 +391,7 @@ static int wacom_parse_hid(struct usb_interface *intf, features->pktlen = WACOM_PKGLEN_TPC2FG; } - if (features->type == MTSCREEN || WACOM_24HDT) + if (features->type == MTSCREEN || features->type == WACOM_24HDT) features->pktlen = WACOM_PKGLEN_MTOUCH; if (features->type == BAMBOO_PT) { diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index aa601013117..0a67031ffc1 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1518,6 +1518,9 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); input_set_abs_params(input_dev, ABS_THROTTLE, 0, 71, 0, 0); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + wacom_setup_cintiq(wacom_wac); break; diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig index 1ba232cbc09..f7668b24c37 100644 --- a/drivers/input/touchscreen/Kconfig +++ b/drivers/input/touchscreen/Kconfig @@ -239,7 +239,7 @@ config TOUCHSCREEN_EETI config TOUCHSCREEN_EGALAX tristate "EETI eGalax multi-touch panel support" - depends on I2C + depends on I2C && OF help Say Y here to enable support for I2C connected EETI eGalax multi-touch panels. diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index c1e3460f119..13fa62fdfb0 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/bitops.h> #include <linux/input/mt.h> +#include <linux/of_gpio.h> /* * Mouse Mode: some panel may configure the controller to mouse mode, @@ -122,9 +123,17 @@ static irqreturn_t egalax_ts_interrupt(int irq, void *dev_id) /* wake up controller by an falling edge of interrupt gpio. */ static int egalax_wake_up_device(struct i2c_client *client) { - int gpio = irq_to_gpio(client->irq); + struct device_node *np = client->dev.of_node; + int gpio; int ret; + if (!np) + return -ENODEV; + + gpio = of_get_named_gpio(np, "wakeup-gpios", 0); + if (!gpio_is_valid(gpio)) + return -ENODEV; + ret = gpio_request(gpio, "egalax_irq"); if (ret < 0) { dev_err(&client->dev, @@ -181,7 +190,11 @@ static int __devinit egalax_ts_probe(struct i2c_client *client, ts->input_dev = input_dev; /* controller may be in sleep, wake it up. */ - egalax_wake_up_device(client); + error = egalax_wake_up_device(client); + if (error) { + dev_err(&client->dev, "Failed to wake up the controller\n"); + goto err_free_dev; + } ret = egalax_firmware_version(client); if (ret < 0) { @@ -274,11 +287,17 @@ static int egalax_ts_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(egalax_ts_pm_ops, egalax_ts_suspend, egalax_ts_resume); +static struct of_device_id egalax_ts_dt_ids[] = { + { .compatible = "eeti,egalax_ts" }, + { /* sentinel */ } +}; + static struct i2c_driver egalax_ts_driver = { .driver = { .name = "egalax_ts", .owner = THIS_MODULE, .pm = &egalax_ts_pm_ops, + .of_match_table = of_match_ptr(egalax_ts_dt_ids), }, .id_table = egalax_ts_id, .probe = egalax_ts_probe, diff --git a/drivers/input/touchscreen/tsc40.c b/drivers/input/touchscreen/tsc40.c index 63209aaa55f..eb96f168fb9 100644 --- a/drivers/input/touchscreen/tsc40.c +++ b/drivers/input/touchscreen/tsc40.c @@ -107,7 +107,6 @@ static int tsc_connect(struct serio *serio, struct serio_driver *drv) __set_bit(BTN_TOUCH, input_dev->keybit); input_set_abs_params(ptsc->dev, ABS_X, 0, 0x3ff, 0, 0); input_set_abs_params(ptsc->dev, ABS_Y, 0, 0x3ff, 0, 0); - input_set_abs_params(ptsc->dev, ABS_PRESSURE, 0, 0, 0, 0); serio_set_drvdata(serio, ptsc); diff --git a/drivers/irqchip/irq-bcm2835.c b/drivers/irqchip/irq-bcm2835.c index dc670ccc697..16c78f1c5ef 100644 --- a/drivers/irqchip/irq-bcm2835.c +++ b/drivers/irqchip/irq-bcm2835.c @@ -168,7 +168,8 @@ static int __init armctrl_of_init(struct device_node *node, } static struct of_device_id irq_of_match[] __initconst = { - { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init } + { .compatible = "brcm,bcm2835-armctrl-ic", .data = armctrl_of_init }, + { } }; void __init bcm2835_init_irq(void) diff --git a/drivers/isdn/Kconfig b/drivers/isdn/Kconfig index a233ed53913..86cd75a0e84 100644 --- a/drivers/isdn/Kconfig +++ b/drivers/isdn/Kconfig @@ -4,7 +4,7 @@ menuconfig ISDN bool "ISDN support" - depends on NET + depends on NET && NETDEVICES depends on !S390 && !UML ---help--- ISDN ("Integrated Services Digital Network", called RNIS in France) diff --git a/drivers/isdn/i4l/Kconfig b/drivers/isdn/i4l/Kconfig index 2302fbe70ac..9c6650ea848 100644 --- a/drivers/isdn/i4l/Kconfig +++ b/drivers/isdn/i4l/Kconfig @@ -6,7 +6,7 @@ if ISDN_I4L config ISDN_PPP bool "Support synchronous PPP" - depends on INET && NETDEVICES + depends on INET select SLHC help Over digital connections such as ISDN, there is no need to diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c index 8c610fa6782..e2a945ee9f0 100644 --- a/drivers/isdn/i4l/isdn_common.c +++ b/drivers/isdn/i4l/isdn_common.c @@ -1312,7 +1312,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) } else return -EINVAL; break; -#ifdef CONFIG_NETDEVICES case IIOCNETGPN: /* Get peer phone number of a connected * isdn network interface */ @@ -1322,7 +1321,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) return isdn_net_getpeer(&phone, argp); } else return -EINVAL; -#endif default: return -EINVAL; } @@ -1352,7 +1350,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) case IIOCNETLCR: printk(KERN_INFO "INFO: ISDN_ABC_LCR_SUPPORT not enabled\n"); return -ENODEV; -#ifdef CONFIG_NETDEVICES case IIOCNETAIF: /* Add a network-interface */ if (arg) { @@ -1491,7 +1488,6 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) return -EFAULT; return isdn_net_force_hangup(name); break; -#endif /* CONFIG_NETDEVICES */ case IIOCSETVER: dev->net_verbose = arg; printk(KERN_INFO "isdn: Verbose-Level is %d\n", dev->net_verbose); diff --git a/drivers/leds/ledtrig-cpu.c b/drivers/leds/ledtrig-cpu.c index b312056da14..4239b3955ff 100644 --- a/drivers/leds/ledtrig-cpu.c +++ b/drivers/leds/ledtrig-cpu.c @@ -33,8 +33,6 @@ struct led_trigger_cpu { char name[MAX_NAME_LEN]; struct led_trigger *_trig; - struct mutex lock; - int lock_is_inited; }; static DEFINE_PER_CPU(struct led_trigger_cpu, cpu_trig); @@ -50,12 +48,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt) { struct led_trigger_cpu *trig = &__get_cpu_var(cpu_trig); - /* mutex lock should be initialized before calling mutex_call() */ - if (!trig->lock_is_inited) - return; - - mutex_lock(&trig->lock); - /* Locate the correct CPU LED */ switch (ledevt) { case CPU_LED_IDLE_END: @@ -75,8 +67,6 @@ void ledtrig_cpu(enum cpu_led_event ledevt) /* Will leave the LED as it is */ break; } - - mutex_unlock(&trig->lock); } EXPORT_SYMBOL(ledtrig_cpu); @@ -117,14 +107,9 @@ static int __init ledtrig_cpu_init(void) for_each_possible_cpu(cpu) { struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu); - mutex_init(&trig->lock); - snprintf(trig->name, MAX_NAME_LEN, "cpu%d", cpu); - mutex_lock(&trig->lock); led_trigger_register_simple(trig->name, &trig->_trig); - trig->lock_is_inited = 1; - mutex_unlock(&trig->lock); } register_syscore_ops(&ledtrig_cpu_syscore_ops); @@ -142,15 +127,9 @@ static void __exit ledtrig_cpu_exit(void) for_each_possible_cpu(cpu) { struct led_trigger_cpu *trig = &per_cpu(cpu_trig, cpu); - mutex_lock(&trig->lock); - led_trigger_unregister_simple(trig->_trig); trig->_trig = NULL; memset(trig->name, 0, MAX_NAME_LEN); - trig->lock_is_inited = 0; - - mutex_unlock(&trig->lock); - mutex_destroy(&trig->lock); } unregister_syscore_ops(&ledtrig_cpu_syscore_ops); diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c index 45135f69509..5e7dc772f5d 100644 --- a/drivers/md/faulty.c +++ b/drivers/md/faulty.c @@ -315,8 +315,11 @@ static int run(struct mddev *mddev) } conf->nfaults = 0; - rdev_for_each(rdev, mddev) + rdev_for_each(rdev, mddev) { conf->rdev = rdev; + disk_stack_limits(mddev->gendisk, rdev->bdev, + rdev->data_offset << 9); + } md_set_array_sectors(mddev, faulty_size(mddev, 0, 0)); mddev->private = conf; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 8034fbd6190..636bae0405e 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -2710,7 +2710,7 @@ static struct r1conf *setup_conf(struct mddev *mddev) || disk_idx < 0) continue; if (test_bit(Replacement, &rdev->flags)) - disk = conf->mirrors + conf->raid_disks + disk_idx; + disk = conf->mirrors + mddev->raid_disks + disk_idx; else disk = conf->mirrors + disk_idx; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 906ccbd0f7d..d1295aff417 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -1783,7 +1783,7 @@ static int raid10_add_disk(struct mddev *mddev, struct md_rdev *rdev) clear_bit(Unmerged, &rdev->flags); } md_integrity_add_rdev(rdev, mddev); - if (blk_queue_discard(bdev_get_queue(rdev->bdev))) + if (mddev->queue && blk_queue_discard(bdev_get_queue(rdev->bdev))) queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); print_conf(conf); @@ -3613,11 +3613,14 @@ static int run(struct mddev *mddev) discard_supported = true; } - if (discard_supported) - queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - else - queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, mddev->queue); - + if (mddev->queue) { + if (discard_supported) + queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + else + queue_flag_clear_unlocked(QUEUE_FLAG_DISCARD, + mddev->queue); + } /* need to check that every block has at least one working mirror */ if (!enough(conf, -1)) { printk(KERN_ERR "md/raid10:%s: not enough operational mirrors.\n", diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index 660bbc52886..4d50da61816 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -208,7 +208,7 @@ static unsigned long exynos5250_dwmmc_caps[4] = { MMC_CAP_CMD23, }; -static struct dw_mci_drv_data exynos5250_drv_data = { +static const struct dw_mci_drv_data exynos5250_drv_data = { .caps = exynos5250_dwmmc_caps, .init = dw_mci_exynos_priv_init, .setup_clock = dw_mci_exynos_setup_clock, @@ -220,14 +220,14 @@ static struct dw_mci_drv_data exynos5250_drv_data = { static const struct of_device_id dw_mci_exynos_match[] = { { .compatible = "samsung,exynos5250-dw-mshc", - .data = (void *)&exynos5250_drv_data, }, + .data = &exynos5250_drv_data, }, {}, }; -MODULE_DEVICE_TABLE(of, dw_mci_pltfm_match); +MODULE_DEVICE_TABLE(of, dw_mci_exynos_match); int dw_mci_exynos_probe(struct platform_device *pdev) { - struct dw_mci_drv_data *drv_data; + const struct dw_mci_drv_data *drv_data; const struct of_device_id *match; match = of_match_node(dw_mci_exynos_match, pdev->dev.of_node); diff --git a/drivers/mmc/host/dw_mmc-pltfm.c b/drivers/mmc/host/dw_mmc-pltfm.c index c960ca7ffbe..917936bee5d 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.c +++ b/drivers/mmc/host/dw_mmc-pltfm.c @@ -24,7 +24,7 @@ #include "dw_mmc.h" int dw_mci_pltfm_register(struct platform_device *pdev, - struct dw_mci_drv_data *drv_data) + const struct dw_mci_drv_data *drv_data) { struct dw_mci *host; struct resource *regs; @@ -50,8 +50,8 @@ int dw_mci_pltfm_register(struct platform_device *pdev, if (!host->regs) return -ENOMEM; - if (host->drv_data->init) { - ret = host->drv_data->init(host); + if (drv_data && drv_data->init) { + ret = drv_data->init(host); if (ret) return ret; } diff --git a/drivers/mmc/host/dw_mmc-pltfm.h b/drivers/mmc/host/dw_mmc-pltfm.h index 301f24541fc..2ac37b81de4 100644 --- a/drivers/mmc/host/dw_mmc-pltfm.h +++ b/drivers/mmc/host/dw_mmc-pltfm.h @@ -13,7 +13,7 @@ #define _DW_MMC_PLTFM_H_ extern int dw_mci_pltfm_register(struct platform_device *pdev, - struct dw_mci_drv_data *drv_data); + const struct dw_mci_drv_data *drv_data); extern int __devexit dw_mci_pltfm_remove(struct platform_device *pdev); extern const struct dev_pm_ops dw_mci_pltfm_pmops; diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index c2828f35c3b..c0667c8af2b 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -232,6 +232,7 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd) { struct mmc_data *data; struct dw_mci_slot *slot = mmc_priv(mmc); + struct dw_mci_drv_data *drv_data = slot->host->drv_data; u32 cmdr; cmd->error = -EINPROGRESS; @@ -261,8 +262,8 @@ static u32 dw_mci_prepare_command(struct mmc_host *mmc, struct mmc_command *cmd) cmdr |= SDMMC_CMD_DAT_WR; } - if (slot->host->drv_data->prepare_command) - slot->host->drv_data->prepare_command(slot->host, &cmdr); + if (drv_data && drv_data->prepare_command) + drv_data->prepare_command(slot->host, &cmdr); return cmdr; } @@ -434,7 +435,7 @@ static int dw_mci_idmac_init(struct dw_mci *host) return 0; } -static struct dw_mci_dma_ops dw_mci_idmac_ops = { +static const struct dw_mci_dma_ops dw_mci_idmac_ops = { .init = dw_mci_idmac_init, .start = dw_mci_idmac_start_dma, .stop = dw_mci_idmac_stop_dma, @@ -772,6 +773,7 @@ static void dw_mci_request(struct mmc_host *mmc, struct mmc_request *mrq) static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) { struct dw_mci_slot *slot = mmc_priv(mmc); + struct dw_mci_drv_data *drv_data = slot->host->drv_data; u32 regs; /* set default 1 bit mode */ @@ -807,8 +809,8 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) slot->clock = ios->clock; } - if (slot->host->drv_data->set_ios) - slot->host->drv_data->set_ios(slot->host, ios); + if (drv_data && drv_data->set_ios) + drv_data->set_ios(slot->host, ios); switch (ios->power_mode) { case MMC_POWER_UP: @@ -1815,6 +1817,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) { struct mmc_host *mmc; struct dw_mci_slot *slot; + struct dw_mci_drv_data *drv_data = host->drv_data; int ctrl_id, ret; u8 bus_width; @@ -1854,8 +1857,8 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) } else { ctrl_id = to_platform_device(host->dev)->id; } - if (host->drv_data && host->drv_data->caps) - mmc->caps |= host->drv_data->caps[ctrl_id]; + if (drv_data && drv_data->caps) + mmc->caps |= drv_data->caps[ctrl_id]; if (host->pdata->caps2) mmc->caps2 = host->pdata->caps2; @@ -1867,10 +1870,10 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id) else bus_width = 1; - if (host->drv_data->setup_bus) { + if (drv_data && drv_data->setup_bus) { struct device_node *slot_np; slot_np = dw_mci_of_find_slot_node(host->dev, slot->id); - ret = host->drv_data->setup_bus(host, slot_np, bus_width); + ret = drv_data->setup_bus(host, slot_np, bus_width); if (ret) goto err_setup_bus; } @@ -1968,7 +1971,7 @@ static void dw_mci_init_dma(struct dw_mci *host) /* Determine which DMA interface to use */ #ifdef CONFIG_MMC_DW_IDMAC host->dma_ops = &dw_mci_idmac_ops; - dev_info(&host->dev, "Using internal DMA controller.\n"); + dev_info(host->dev, "Using internal DMA controller.\n"); #endif if (!host->dma_ops) @@ -2035,6 +2038,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) struct dw_mci_board *pdata; struct device *dev = host->dev; struct device_node *np = dev->of_node; + struct dw_mci_drv_data *drv_data = host->drv_data; int idx, ret; pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); @@ -2062,8 +2066,8 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) of_property_read_u32(np, "card-detect-delay", &pdata->detect_delay_ms); - if (host->drv_data->parse_dt) { - ret = host->drv_data->parse_dt(host); + if (drv_data && drv_data->parse_dt) { + ret = drv_data->parse_dt(host); if (ret) return ERR_PTR(ret); } @@ -2080,6 +2084,7 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host) int dw_mci_probe(struct dw_mci *host) { + struct dw_mci_drv_data *drv_data = host->drv_data; int width, i, ret = 0; u32 fifo_size; int init_slots = 0; @@ -2127,8 +2132,8 @@ int dw_mci_probe(struct dw_mci *host) else host->bus_hz = clk_get_rate(host->ciu_clk); - if (host->drv_data->setup_clock) { - ret = host->drv_data->setup_clock(host); + if (drv_data && drv_data->setup_clock) { + ret = drv_data->setup_clock(host); if (ret) { dev_err(host->dev, "implementation specific clock setup failed\n"); @@ -2228,6 +2233,21 @@ int dw_mci_probe(struct dw_mci *host) else host->num_slots = ((mci_readl(host, HCON) >> 1) & 0x1F) + 1; + /* + * Enable interrupts for command done, data over, data empty, card det, + * receive ready and error such as transmit, receive timeout, crc error + */ + mci_writel(host, RINTSTS, 0xFFFFFFFF); + mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER | + SDMMC_INT_TXDR | SDMMC_INT_RXDR | + DW_MCI_ERROR_FLAGS | SDMMC_INT_CD); + mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */ + + dev_info(host->dev, "DW MMC controller at irq %d, " + "%d bit host data width, " + "%u deep fifo\n", + host->irq, width, fifo_size); + /* We need at least one slot to succeed */ for (i = 0; i < host->num_slots; i++) { ret = dw_mci_init_slot(host, i); @@ -2257,20 +2277,6 @@ int dw_mci_probe(struct dw_mci *host) else host->data_offset = DATA_240A_OFFSET; - /* - * Enable interrupts for command done, data over, data empty, card det, - * receive ready and error such as transmit, receive timeout, crc error - */ - mci_writel(host, RINTSTS, 0xFFFFFFFF); - mci_writel(host, INTMASK, SDMMC_INT_CMD_DONE | SDMMC_INT_DATA_OVER | - SDMMC_INT_TXDR | SDMMC_INT_RXDR | - DW_MCI_ERROR_FLAGS | SDMMC_INT_CD); - mci_writel(host, CTRL, SDMMC_CTRL_INT_ENABLE); /* Enable mci interrupt */ - - dev_info(host->dev, "DW MMC controller at irq %d, " - "%d bit host data width, " - "%u deep fifo\n", - host->irq, width, fifo_size); if (host->quirks & DW_MCI_QUIRK_IDMAC_DTO) dev_info(host->dev, "Internal DMAC interrupt fix enabled.\n"); diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c index 565c2e4fac7..6290b7f1ccf 100644 --- a/drivers/mmc/host/mxcmmc.c +++ b/drivers/mmc/host/mxcmmc.c @@ -1134,4 +1134,4 @@ module_platform_driver(mxcmci_driver); MODULE_DESCRIPTION("i.MX Multimedia Card Interface Driver"); MODULE_AUTHOR("Sascha Hauer, Pengutronix"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:imx-mmc"); +MODULE_ALIAS("platform:mxc-mmc"); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c index 54bfd0cc106..fedd258cc4e 100644 --- a/drivers/mmc/host/omap_hsmmc.c +++ b/drivers/mmc/host/omap_hsmmc.c @@ -178,7 +178,8 @@ struct omap_hsmmc_host { static int omap_hsmmc_card_detect(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes card detect signal is active-low */ return !gpio_get_value_cansleep(mmc->slots[0].switch_pin); @@ -186,7 +187,8 @@ static int omap_hsmmc_card_detect(struct device *dev, int slot) static int omap_hsmmc_get_wp(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes write protect signal is active-high */ return gpio_get_value_cansleep(mmc->slots[0].gpio_wp); @@ -194,7 +196,8 @@ static int omap_hsmmc_get_wp(struct device *dev, int slot) static int omap_hsmmc_get_cover_state(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; /* NOTE: assumes card detect signal is active-low */ return !gpio_get_value_cansleep(mmc->slots[0].switch_pin); @@ -204,7 +207,8 @@ static int omap_hsmmc_get_cover_state(struct device *dev, int slot) static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; disable_irq(mmc->slots[0].card_detect_irq); return 0; @@ -212,7 +216,8 @@ static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot) static int omap_hsmmc_resume_cdirq(struct device *dev, int slot) { - struct omap_mmc_platform_data *mmc = dev->platform_data; + struct omap_hsmmc_host *host = dev_get_drvdata(dev); + struct omap_mmc_platform_data *mmc = host->pdata; enable_irq(mmc->slots[0].card_detect_irq); return 0; @@ -2009,9 +2014,9 @@ static int __devexit omap_hsmmc_remove(struct platform_device *pdev) clk_put(host->dbclk); } - mmc_free_host(host->mmc); + omap_hsmmc_gpio_free(host->pdata); iounmap(host->base); - omap_hsmmc_gpio_free(pdev->dev.platform_data); + mmc_free_host(host->mmc); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) diff --git a/drivers/mmc/host/sdhci-dove.c b/drivers/mmc/host/sdhci-dove.c index 90140eb03e3..8fd50a21103 100644 --- a/drivers/mmc/host/sdhci-dove.c +++ b/drivers/mmc/host/sdhci-dove.c @@ -19,6 +19,7 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ +#include <linux/err.h> #include <linux/io.h> #include <linux/clk.h> #include <linux/err.h> @@ -84,30 +85,32 @@ static int __devinit sdhci_dove_probe(struct platform_device *pdev) struct sdhci_dove_priv *priv; int ret; - ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata); - if (ret) - goto sdhci_dove_register_fail; - priv = devm_kzalloc(&pdev->dev, sizeof(struct sdhci_dove_priv), GFP_KERNEL); if (!priv) { dev_err(&pdev->dev, "unable to allocate private data"); - ret = -ENOMEM; - goto sdhci_dove_allocate_fail; + return -ENOMEM; } + priv->clk = clk_get(&pdev->dev, NULL); + if (!IS_ERR(priv->clk)) + clk_prepare_enable(priv->clk); + + ret = sdhci_pltfm_register(pdev, &sdhci_dove_pdata); + if (ret) + goto sdhci_dove_register_fail; + host = platform_get_drvdata(pdev); pltfm_host = sdhci_priv(host); pltfm_host->priv = priv; - priv->clk = clk_get(&pdev->dev, NULL); - if (!IS_ERR(priv->clk)) - clk_prepare_enable(priv->clk); return 0; -sdhci_dove_allocate_fail: - sdhci_pltfm_unregister(pdev); sdhci_dove_register_fail: + if (!IS_ERR(priv->clk)) { + clk_disable_unprepare(priv->clk); + clk_put(priv->clk); + } return ret; } @@ -117,14 +120,13 @@ static int __devexit sdhci_dove_remove(struct platform_device *pdev) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct sdhci_dove_priv *priv = pltfm_host->priv; - if (priv->clk) { - if (!IS_ERR(priv->clk)) { - clk_disable_unprepare(priv->clk); - clk_put(priv->clk); - } - devm_kfree(&pdev->dev, priv->clk); + sdhci_pltfm_unregister(pdev); + + if (!IS_ERR(priv->clk)) { + clk_disable_unprepare(priv->clk); + clk_put(priv->clk); } - return sdhci_pltfm_unregister(pdev); + return 0; } static const struct of_device_id sdhci_dove_of_match_table[] __devinitdata = { diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index ae5fcbfa1ee..63d219f57ca 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -169,6 +169,16 @@ static void esdhc_of_resume(struct sdhci_host *host) } #endif +static void esdhc_of_platform_init(struct sdhci_host *host) +{ + u32 vvn; + + vvn = in_be32(host->ioaddr + SDHCI_SLOT_INT_STATUS); + vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT; + if (vvn == VENDOR_V_22) + host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23; +} + static struct sdhci_ops sdhci_esdhc_ops = { .read_l = esdhc_readl, .read_w = esdhc_readw, @@ -180,6 +190,7 @@ static struct sdhci_ops sdhci_esdhc_ops = { .enable_dma = esdhc_of_enable_dma, .get_max_clock = esdhc_of_get_max_clock, .get_min_clock = esdhc_of_get_min_clock, + .platform_init = esdhc_of_platform_init, #ifdef CONFIG_PM .platform_suspend = esdhc_of_suspend, .platform_resume = esdhc_of_resume, diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 4bb74b042a0..04936f353ce 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -1196,7 +1196,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( return ERR_PTR(-ENODEV); } - if (pci_resource_len(pdev, bar) != 0x100) { + if (pci_resource_len(pdev, bar) < 0x100) { dev_err(&pdev->dev, "Invalid iomem size. You may " "experience problems.\n"); } diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 65551a9709c..27164457f86 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -150,6 +150,13 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, goto err_remap; } + /* + * Some platforms need to probe the controller to be able to + * determine which caps should be used. + */ + if (host->ops && host->ops->platform_init) + host->ops->platform_init(host); + platform_set_drvdata(pdev, host); return host; diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 2903949594c..a54dd5d7a5f 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -211,8 +211,8 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock) if (ourhost->cur_clk != best_src) { struct clk *clk = ourhost->clk_bus[best_src]; - clk_enable(clk); - clk_disable(ourhost->clk_bus[ourhost->cur_clk]); + clk_prepare_enable(clk); + clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]); /* turn clock off to card before changing clock source */ writew(0, host->ioaddr + SDHCI_CLOCK_CONTROL); @@ -607,7 +607,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } /* enable the local io clock and keep it running for the moment. */ - clk_enable(sc->clk_io); + clk_prepare_enable(sc->clk_io); for (clks = 0, ptr = 0; ptr < MAX_BUS_CLK; ptr++) { struct clk *clk; @@ -638,7 +638,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } #ifndef CONFIG_PM_RUNTIME - clk_enable(sc->clk_bus[sc->cur_clk]); + clk_prepare_enable(sc->clk_bus[sc->cur_clk]); #endif res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -747,13 +747,14 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) sdhci_s3c_setup_card_detect_gpio(sc); #ifdef CONFIG_PM_RUNTIME - clk_disable(sc->clk_io); + if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL) + clk_disable_unprepare(sc->clk_io); #endif return 0; err_req_regs: #ifndef CONFIG_PM_RUNTIME - clk_disable(sc->clk_bus[sc->cur_clk]); + clk_disable_unprepare(sc->clk_bus[sc->cur_clk]); #endif for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { if (sc->clk_bus[ptr]) { @@ -762,7 +763,7 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev) } err_no_busclks: - clk_disable(sc->clk_io); + clk_disable_unprepare(sc->clk_io); clk_put(sc->clk_io); err_io_clk: @@ -794,7 +795,8 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) gpio_free(sc->ext_cd_gpio); #ifdef CONFIG_PM_RUNTIME - clk_enable(sc->clk_io); + if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL) + clk_prepare_enable(sc->clk_io); #endif sdhci_remove_host(host, 1); @@ -802,14 +804,14 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev) pm_runtime_disable(&pdev->dev); #ifndef CONFIG_PM_RUNTIME - clk_disable(sc->clk_bus[sc->cur_clk]); + clk_disable_unprepare(sc->clk_bus[sc->cur_clk]); #endif for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) { if (sc->clk_bus[ptr]) { clk_put(sc->clk_bus[ptr]); } } - clk_disable(sc->clk_io); + clk_disable_unprepare(sc->clk_io); clk_put(sc->clk_io); if (pdev->dev.of_node) { @@ -849,8 +851,8 @@ static int sdhci_s3c_runtime_suspend(struct device *dev) ret = sdhci_runtime_suspend_host(host); - clk_disable(ourhost->clk_bus[ourhost->cur_clk]); - clk_disable(busclk); + clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]); + clk_disable_unprepare(busclk); return ret; } @@ -861,8 +863,8 @@ static int sdhci_s3c_runtime_resume(struct device *dev) struct clk *busclk = ourhost->clk_io; int ret; - clk_enable(busclk); - clk_enable(ourhost->clk_bus[ourhost->cur_clk]); + clk_prepare_enable(busclk); + clk_prepare_enable(ourhost->clk_bus[ourhost->cur_clk]); ret = sdhci_runtime_resume_host(host); return ret; } diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 7922adb4238..c7851c0aabc 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1315,16 +1315,19 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) */ if ((host->flags & SDHCI_NEEDS_RETUNING) && !(present_state & (SDHCI_DOING_WRITE | SDHCI_DOING_READ))) { - /* eMMC uses cmd21 while sd and sdio use cmd19 */ - tuning_opcode = mmc->card->type == MMC_TYPE_MMC ? - MMC_SEND_TUNING_BLOCK_HS200 : - MMC_SEND_TUNING_BLOCK; - spin_unlock_irqrestore(&host->lock, flags); - sdhci_execute_tuning(mmc, tuning_opcode); - spin_lock_irqsave(&host->lock, flags); - - /* Restore original mmc_request structure */ - host->mrq = mrq; + if (mmc->card) { + /* eMMC uses cmd21 but sd and sdio use cmd19 */ + tuning_opcode = + mmc->card->type == MMC_TYPE_MMC ? + MMC_SEND_TUNING_BLOCK_HS200 : + MMC_SEND_TUNING_BLOCK; + spin_unlock_irqrestore(&host->lock, flags); + sdhci_execute_tuning(mmc, tuning_opcode); + spin_lock_irqsave(&host->lock, flags); + + /* Restore original mmc_request structure */ + host->mrq = mrq; + } } if (mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23)) @@ -2837,6 +2840,9 @@ int sdhci_add_host(struct sdhci_host *host) if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA)) mmc->caps |= MMC_CAP_4_BIT_DATA; + if (host->quirks2 & SDHCI_QUIRK2_HOST_NO_CMD23) + mmc->caps &= ~MMC_CAP_CMD23; + if (caps[0] & SDHCI_CAN_DO_HISPD) mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED; @@ -2846,9 +2852,12 @@ int sdhci_add_host(struct sdhci_host *host) /* If vqmmc regulator and no 1.8V signalling, then there's no UHS */ host->vqmmc = regulator_get(mmc_dev(mmc), "vqmmc"); - if (IS_ERR(host->vqmmc)) { - pr_info("%s: no vqmmc regulator found\n", mmc_hostname(mmc)); - host->vqmmc = NULL; + if (IS_ERR_OR_NULL(host->vqmmc)) { + if (PTR_ERR(host->vqmmc) < 0) { + pr_info("%s: no vqmmc regulator found\n", + mmc_hostname(mmc)); + host->vqmmc = NULL; + } } else if (regulator_is_supported_voltage(host->vqmmc, 1800000, 1800000)) regulator_enable(host->vqmmc); @@ -2904,9 +2913,12 @@ int sdhci_add_host(struct sdhci_host *host) ocr_avail = 0; host->vmmc = regulator_get(mmc_dev(mmc), "vmmc"); - if (IS_ERR(host->vmmc)) { - pr_info("%s: no vmmc regulator found\n", mmc_hostname(mmc)); - host->vmmc = NULL; + if (IS_ERR_OR_NULL(host->vmmc)) { + if (PTR_ERR(host->vmmc) < 0) { + pr_info("%s: no vmmc regulator found\n", + mmc_hostname(mmc)); + host->vmmc = NULL; + } } else regulator_enable(host->vmmc); diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 97653ea8942..71a4a7ed46c 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -278,6 +278,7 @@ struct sdhci_ops { void (*hw_reset)(struct sdhci_host *host); void (*platform_suspend)(struct sdhci_host *host); void (*platform_resume)(struct sdhci_host *host); + void (*platform_init)(struct sdhci_host *host); }; #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index 11d2bc3b51d..d25bc97dc5c 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1466,9 +1466,9 @@ static int __devexit sh_mmcif_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); + clk_disable(host->hclk); mmc_free_host(host->mmc); pm_runtime_put_sync(&pdev->dev); - clk_disable(host->hclk); pm_runtime_disable(&pdev->dev); return 0; diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c index dc15d248443..ef8d2a080d1 100644 --- a/drivers/net/bonding/bond_sysfs.c +++ b/drivers/net/bonding/bond_sysfs.c @@ -1060,7 +1060,7 @@ static ssize_t bonding_store_primary(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing primary */ if (!strlen(ifname) || buf[0] == '\n') { @@ -1237,7 +1237,7 @@ static ssize_t bonding_store_active_slave(struct device *d, goto out; } - sscanf(buf, "%16s", ifname); /* IFNAMSIZ */ + sscanf(buf, "%15s", ifname); /* IFNAMSIZ */ /* check to see if we are clearing active */ if (!strlen(ifname) || buf[0] == '\n') { diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index c65295dded3..6e5bdd1a31d 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -1702,7 +1702,7 @@ static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata) SHMEM_EEE_ADV_STATUS_SHIFT); if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) { DP(BNX2X_MSG_ETHTOOL, - "Direct manipulation of EEE advertisment is not supported\n"); + "Direct manipulation of EEE advertisement is not supported\n"); return -EINVAL; } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index e2e45ee5df3..f6cfdc6cf20 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -137,7 +137,16 @@ #define LINK_20GTFD LINK_STATUS_SPEED_AND_DUPLEX_20GTFD #define LINK_20GXFD LINK_STATUS_SPEED_AND_DUPLEX_20GXFD - +#define LINK_UPDATE_MASK \ + (LINK_STATUS_SPEED_AND_DUPLEX_MASK | \ + LINK_STATUS_LINK_UP | \ + LINK_STATUS_PHYSICAL_LINK_FLAG | \ + LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | \ + LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | \ + LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | \ + LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | \ + LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE) #define SFP_EEPROM_CON_TYPE_ADDR 0x2 #define SFP_EEPROM_CON_TYPE_VAL_LC 0x7 @@ -3295,6 +3304,21 @@ static void bnx2x_serdes_deassert(struct bnx2x *bp, u8 port) DEFAULT_PHY_DEV_ADDR); } +static void bnx2x_xgxs_specific_func(struct bnx2x_phy *phy, + struct link_params *params, + u32 action) +{ + struct bnx2x *bp = params->bp; + switch (action) { + case PHY_INIT: + /* Set correct devad */ + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + params->port*0x18, 0); + REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + params->port*0x18, + phy->def_md_devad); + break; + } +} + static void bnx2x_xgxs_deassert(struct link_params *params) { struct bnx2x *bp = params->bp; @@ -3309,10 +3333,8 @@ static void bnx2x_xgxs_deassert(struct link_params *params) REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_CLEAR, val); udelay(500); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_3_SET, val); - - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_ST + port*0x18, 0); - REG_WR(bp, NIG_REG_XGXS0_CTRL_MD_DEVAD + port*0x18, - params->phy[INT_PHY].def_md_devad); + bnx2x_xgxs_specific_func(¶ms->phy[INT_PHY], params, + PHY_INIT); } static void bnx2x_calc_ieee_aneg_adv(struct bnx2x_phy *phy, @@ -3545,14 +3567,11 @@ static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy, static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, struct link_params *params, struct link_vars *vars) { - u16 val16 = 0, lane, i; + u16 lane, i, cl72_ctrl, an_adv = 0; + u16 ucode_ver; struct bnx2x *bp = params->bp; static struct bnx2x_reg_set reg_set[] = { {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0xff}, - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0x5555}, {MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_AUTONEGNP, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_RX66_CONTROL, 0x7415}, {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_MISC2, 0x6190}, @@ -3565,12 +3584,19 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, &cl72_ctrl); + cl72_ctrl &= 0xf8ff; + cl72_ctrl |= 0x3800; + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, cl72_ctrl); + /* Check adding advertisement for 1G KX */ if (((vars->line_speed == SPEED_AUTO_NEG) && (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) || (vars->line_speed == SPEED_1000)) { u32 addr = MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2; - val16 |= (1<<5); + an_adv |= (1<<5); /* Enable CL37 1G Parallel Detect */ bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, addr, 0x1); @@ -3580,11 +3606,14 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, (phy->speed_cap_mask & PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) || (vars->line_speed == SPEED_10000)) { /* Check adding advertisement for 10G KR */ - val16 |= (1<<7); + an_adv |= (1<<7); /* Enable 10G Parallel Detect */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 1); - + bnx2x_set_aer_mmd(params, phy); DP(NETIF_MSG_LINK, "Advertize 10G\n"); } @@ -3604,7 +3633,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Advertised speeds */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, - MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, an_adv); /* Advertised and set FEC (Forward Error Correction) */ bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, @@ -3628,9 +3657,10 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, /* Set KR Autoneg Work-Around flag for Warpcore version older than D108 */ bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_UC_INFO_B1_VERSION, &val16); - if (val16 < 0xd108) { - DP(NETIF_MSG_LINK, "Enable AN KR work-around\n"); + MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver); + if (ucode_ver < 0xd108) { + DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n", + ucode_ver); vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY; } bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, @@ -3651,21 +3681,16 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, struct link_vars *vars) { struct bnx2x *bp = params->bp; - u16 i; + u16 val16, i, lane; static struct bnx2x_reg_set reg_set[] = { /* Disable Autoneg */ {MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7}, - {MDIO_AN_DEVAD, MDIO_WC_REG_PAR_DET_10G_CTRL, 0}, {MDIO_WC_DEVAD, MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, 0x3f00}, {MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, 0}, {MDIO_AN_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x0}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL3_UP1, 0x1}, {MDIO_WC_DEVAD, MDIO_WC_REG_DIGITAL5_MISC7, 0xa}, - /* Disable CL36 PCS Tx */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL0, 0x0}, - /* Double Wide Single Data Rate @ pll rate */ - {MDIO_WC_DEVAD, MDIO_WC_REG_XGXSBLK1_LANECTRL1, 0xFFFF}, /* Leave cl72 training enable, needed for KR */ {MDIO_PMA_DEVAD, MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150, @@ -3676,11 +3701,24 @@ static void bnx2x_warpcore_set_10G_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg, reg_set[i].val); - /* Leave CL72 enabled */ - bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD, - MDIO_WC_REG_CL72_USERB0_CL72_MISC1_CONTROL, - 0x3800); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Global registers */ + CL22_WR_OVER_CL45(bp, phy, MDIO_REG_BANK_AER_BLOCK, + MDIO_AER_BLOCK_AER_REG, 0); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 &= ~(0x0011 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 |= (0x0303 << (lane << 1)); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); /* Set speed via PMA/PMD register */ bnx2x_cl45_write(bp, phy, MDIO_PMA_DEVAD, MDIO_WC_REG_IEEE0BLK_MIICNTL, 0x2040); @@ -4303,7 +4341,7 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, struct link_params *params) { struct bnx2x *bp = params->bp; - u16 val16; + u16 val16, lane; bnx2x_sfp_e3_set_transmitter(params, phy, 0); bnx2x_set_mdio_clk(bp, params->chip_id, params->port); bnx2x_set_aer_mmd(params, phy); @@ -4340,6 +4378,30 @@ static void bnx2x_warpcore_link_reset(struct bnx2x_phy *phy, MDIO_WC_REG_XGXSBLK1_LANECTRL2, val16 & 0xff00); + lane = bnx2x_get_warpcore_lane(phy, params); + /* Disable CL36 PCS Tx */ + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, &val16); + val16 |= (0x11 << lane); + if (phy->flags & FLAGS_WC_DUAL_MODE) + val16 |= (0x22 << lane); + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL0, val16); + + bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, &val16); + val16 &= ~(0x0303 << (lane << 1)); + val16 |= (0x0101 << (lane << 1)); + if (phy->flags & FLAGS_WC_DUAL_MODE) { + val16 &= ~(0x0c0c << (lane << 1)); + val16 |= (0x0404 << (lane << 1)); + } + + bnx2x_cl45_write(bp, phy, MDIO_WC_DEVAD, + MDIO_WC_REG_XGXSBLK1_LANECTRL1, val16); + /* Restore AER */ + bnx2x_set_aer_mmd(params, phy); + } static void bnx2x_set_warpcore_loopback(struct bnx2x_phy *phy, @@ -6296,15 +6358,7 @@ static int bnx2x_update_link_down(struct link_params *params, vars->mac_type = MAC_TYPE_NONE; /* Update shared memory */ - vars->link_status &= ~(LINK_STATUS_SPEED_AND_DUPLEX_MASK | - LINK_STATUS_LINK_UP | - LINK_STATUS_PHYSICAL_LINK_FLAG | - LINK_STATUS_AUTO_NEGOTIATE_COMPLETE | - LINK_STATUS_RX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_TX_FLOW_CONTROL_FLAG_MASK | - LINK_STATUS_PARALLEL_DETECTION_FLAG_MASK | - LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE | - LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE); + vars->link_status &= ~LINK_UPDATE_MASK; vars->line_speed = 0; bnx2x_update_mng(params, vars->link_status); @@ -6452,6 +6506,7 @@ int bnx2x_link_update(struct link_params *params, struct link_vars *vars) u16 ext_phy_line_speed = 0, prev_line_speed = vars->line_speed; u8 active_external_phy = INT_PHY; vars->phy_flags &= ~PHY_HALF_OPEN_CONN_FLAG; + vars->link_status &= ~LINK_UPDATE_MASK; for (phy_index = INT_PHY; phy_index < params->num_phys; phy_index++) { phy_vars[phy_index].flow_ctrl = 0; @@ -7579,7 +7634,7 @@ static void bnx2x_warpcore_power_module(struct link_params *params, static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, struct link_params *params, u16 addr, u8 byte_cnt, - u8 *o_buf) + u8 *o_buf, u8 is_init) { int rc = 0; u8 i, j = 0, cnt = 0; @@ -7596,10 +7651,10 @@ static int bnx2x_warpcore_read_sfp_module_eeprom(struct bnx2x_phy *phy, /* 4 byte aligned address */ addr32 = addr & (~0x3); do { - if (cnt == I2C_WA_PWR_ITER) { + if ((!is_init) && (cnt == I2C_WA_PWR_ITER)) { bnx2x_warpcore_power_module(params, phy, 0); /* Note that 100us are not enough here */ - usleep_range(1000,1000); + usleep_range(1000, 2000); bnx2x_warpcore_power_module(params, phy, 1); } rc = bnx2x_bsc_read(params, phy, 0xa0, addr32, 0, byte_cnt, @@ -7719,7 +7774,7 @@ int bnx2x_read_sfp_module_eeprom(struct bnx2x_phy *phy, break; case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, params, addr, - byte_cnt, o_buf); + byte_cnt, o_buf, 0); break; } return rc; @@ -7923,6 +7978,7 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, { u8 val; + int rc; struct bnx2x *bp = params->bp; u16 timeout; /* Initialization time after hot-plug may take up to 300ms for @@ -7930,8 +7986,14 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, */ for (timeout = 0; timeout < 60; timeout++) { - if (bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val) - == 0) { + if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT) + rc = bnx2x_warpcore_read_sfp_module_eeprom(phy, + params, 1, + 1, &val, 1); + else + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, + &val); + if (rc == 0) { DP(NETIF_MSG_LINK, "SFP+ module initialization took %d ms\n", timeout * 5); @@ -7939,7 +8001,8 @@ static int bnx2x_wait_for_sfp_module_initialized(struct bnx2x_phy *phy, } usleep_range(5000, 10000); } - return -EINVAL; + rc = bnx2x_read_sfp_module_eeprom(phy, params, 1, 1, &val); + return rc; } static void bnx2x_8727_power_module(struct bnx2x *bp, @@ -9878,7 +9941,7 @@ static int bnx2x_848x3_config_init(struct bnx2x_phy *phy, else rc = bnx2x_8483x_disable_eee(phy, params, vars); if (rc) { - DP(NETIF_MSG_LINK, "Failed to set EEE advertisment\n"); + DP(NETIF_MSG_LINK, "Failed to set EEE advertisement\n"); return rc; } } else { @@ -10993,7 +11056,7 @@ static struct bnx2x_phy phy_xgxs = { .format_fw_ver = (format_fw_ver_t)NULL, .hw_reset = (hw_reset_t)NULL, .set_link_led = (set_link_led_t)NULL, - .phy_specific_func = (phy_specific_func_t)NULL + .phy_specific_func = (phy_specific_func_t)bnx2x_xgxs_specific_func }; static struct bnx2x_phy phy_warpcore = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, @@ -11465,6 +11528,11 @@ static int bnx2x_populate_int_phy(struct bnx2x *bp, u32 shmem_base, u8 port, phy->media_type = ETH_PHY_BASE_T; break; case PORT_HW_CFG_NET_SERDES_IF_XFI: + phy->supported &= (SUPPORTED_1000baseT_Full | + SUPPORTED_10000baseT_Full | + SUPPORTED_FIBRE | + SUPPORTED_Pause | + SUPPORTED_Asym_Pause); phy->media_type = ETH_PHY_XFP_FIBER; break; case PORT_HW_CFG_NET_SERDES_IF_SFI: @@ -12919,7 +12987,7 @@ static u8 bnx2x_analyze_link_error(struct link_params *params, DP(NETIF_MSG_LINK, "Analyze TX Fault\n"); break; default: - DP(NETIF_MSG_LINK, "Analyze UNKOWN\n"); + DP(NETIF_MSG_LINK, "Analyze UNKNOWN\n"); } DP(NETIF_MSG_LINK, "Link changed:[%x %x]->%x\n", vars->link_up, old_status, status); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index d5648fc666b..bd1fd3d87c2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -6794,8 +6794,9 @@ static int bnx2x_init_hw_port(struct bnx2x *bp) bnx2x_init_block(bp, BLOCK_DORQ, init_phase); + bnx2x_init_block(bp, BLOCK_BRB1, init_phase); + if (CHIP_IS_E1(bp) || CHIP_IS_E1H(bp)) { - bnx2x_init_block(bp, BLOCK_BRB1, init_phase); if (IS_MF(bp)) low = ((bp->flags & ONE_PORT_FLAG) ? 160 : 246); @@ -11902,7 +11903,15 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, /* disable FCOE L2 queue for E1x */ if (CHIP_IS_E1x(bp)) bp->flags |= NO_FCOE_FLAG; - + /* disable FCOE for 57840 device, until FW supports it */ + switch (ent->driver_data) { + case BCM57840_O: + case BCM57840_4_10: + case BCM57840_2_20: + case BCM57840_MFO: + case BCM57840_MF: + bp->flags |= NO_FCOE_FLAG; + } #endif diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index c1cde11b0c6..0df1284df49 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -3416,16 +3416,6 @@ static int adap_init0_config(struct adapter *adapter, int reset) finicsum, cfcsum); /* - * If we're a pure NIC driver then disable all offloading facilities. - * This will allow the firmware to optimize aspects of the hardware - * configuration which will result in improved performance. - */ - caps_cmd.ofldcaps = 0; - caps_cmd.iscsicaps = 0; - caps_cmd.rdmacaps = 0; - caps_cmd.fcoecaps = 0; - - /* * And now tell the firmware to use the configuration we just loaded. */ caps_cmd.op_to_write = diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 32eec15fe4c..730ae2cfa49 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -2519,6 +2519,7 @@ int t4_fw_bye(struct adapter *adap, unsigned int mbox) { struct fw_bye_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, BYE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2535,6 +2536,7 @@ int t4_early_init(struct adapter *adap, unsigned int mbox) { struct fw_initialize_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, INITIALIZE, WRITE); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); } @@ -2551,6 +2553,7 @@ int t4_fw_reset(struct adapter *adap, unsigned int mbox, int reset) { struct fw_reset_cmd c; + memset(&c, 0, sizeof(c)); INIT_CMD(c, RESET, WRITE); c.val = htonl(reset); return t4_wr_mbox(adap, mbox, &c, sizeof(c), NULL); @@ -2828,7 +2831,7 @@ int t4_fixup_host_params(struct adapter *adap, unsigned int page_size, HOSTPAGESIZEPF7(sge_hps)); t4_set_reg_field(adap, SGE_CONTROL, - INGPADBOUNDARY(INGPADBOUNDARY_MASK) | + INGPADBOUNDARY_MASK | EGRSTATUSPAGESIZE_MASK, INGPADBOUNDARY(fl_align_log - 5) | EGRSTATUSPAGESIZE(stat_len != 64)); @@ -3278,6 +3281,7 @@ int t4_identify_port(struct adapter *adap, unsigned int mbox, unsigned int viid, { struct fw_vi_enable_cmd c; + memset(&c, 0, sizeof(c)); c.op_to_viid = htonl(FW_CMD_OP(FW_VI_ENABLE_CMD) | FW_CMD_REQUEST | FW_CMD_EXEC | FW_VI_ENABLE_CMD_VIID(viid)); c.ien_to_len16 = htonl(FW_VI_ENABLE_CMD_LED | FW_LEN16(c)); diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c index 1d03dcdd5e5..19ac096cb07 100644 --- a/drivers/net/ethernet/freescale/gianfar.c +++ b/drivers/net/ethernet/freescale/gianfar.c @@ -1353,8 +1353,11 @@ static int gfar_restore(struct device *dev) struct gfar_private *priv = dev_get_drvdata(dev); struct net_device *ndev = priv->ndev; - if (!netif_running(ndev)) + if (!netif_running(ndev)) { + netif_device_attach(ndev); + return 0; + } gfar_init_bds(ndev); init_registers(ndev); diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c index 56b20d17d0e..116f0e901be 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c @@ -2673,6 +2673,9 @@ static int ixgbe_get_ts_info(struct net_device *dev, case ixgbe_mac_X540: case ixgbe_mac_82599EB: info->so_timestamping = + SOF_TIMESTAMPING_TX_SOFTWARE | + SOF_TIMESTAMPING_RX_SOFTWARE | + SOF_TIMESTAMPING_SOFTWARE | SOF_TIMESTAMPING_TX_HARDWARE | SOF_TIMESTAMPING_RX_HARDWARE | SOF_TIMESTAMPING_RAW_HARDWARE; diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c index f8064df10cc..60ac46f4ac0 100644 --- a/drivers/net/ethernet/jme.c +++ b/drivers/net/ethernet/jme.c @@ -1860,10 +1860,14 @@ jme_open(struct net_device *netdev) jme_clear_pm(jme); JME_NAPI_ENABLE(jme); - tasklet_enable(&jme->linkch_task); - tasklet_enable(&jme->txclean_task); - tasklet_hi_enable(&jme->rxclean_task); - tasklet_hi_enable(&jme->rxempty_task); + tasklet_init(&jme->linkch_task, jme_link_change_tasklet, + (unsigned long) jme); + tasklet_init(&jme->txclean_task, jme_tx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxclean_task, jme_rx_clean_tasklet, + (unsigned long) jme); + tasklet_init(&jme->rxempty_task, jme_rx_empty_tasklet, + (unsigned long) jme); rc = jme_request_irq(jme); if (rc) @@ -1948,10 +1952,10 @@ jme_close(struct net_device *netdev) JME_NAPI_DISABLE(jme); - tasklet_disable(&jme->linkch_task); - tasklet_disable(&jme->txclean_task); - tasklet_disable(&jme->rxclean_task); - tasklet_disable(&jme->rxempty_task); + tasklet_kill(&jme->linkch_task); + tasklet_kill(&jme->txclean_task); + tasklet_kill(&jme->rxclean_task); + tasklet_kill(&jme->rxempty_task); jme_disable_rx_engine(jme); jme_disable_tx_engine(jme); @@ -3079,22 +3083,6 @@ jme_init_one(struct pci_dev *pdev, tasklet_init(&jme->pcc_task, jme_pcc_tasklet, (unsigned long) jme); - tasklet_init(&jme->linkch_task, - jme_link_change_tasklet, - (unsigned long) jme); - tasklet_init(&jme->txclean_task, - jme_tx_clean_tasklet, - (unsigned long) jme); - tasklet_init(&jme->rxclean_task, - jme_rx_clean_tasklet, - (unsigned long) jme); - tasklet_init(&jme->rxempty_task, - jme_rx_empty_tasklet, - (unsigned long) jme); - tasklet_disable_nosync(&jme->linkch_task); - tasklet_disable_nosync(&jme->txclean_task); - tasklet_disable_nosync(&jme->rxclean_task); - tasklet_disable_nosync(&jme->rxempty_task); jme->dpi.cur = PCC_P1; jme->reg_ghc = 0; diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c index 9b9c2ac5c4c..d19a143aa5a 100644 --- a/drivers/net/ethernet/marvell/skge.c +++ b/drivers/net/ethernet/marvell/skge.c @@ -4026,7 +4026,7 @@ static void __devexit skge_remove(struct pci_dev *pdev) dev0 = hw->dev[0]; unregister_netdev(dev0); - tasklet_disable(&hw->phy_task); + tasklet_kill(&hw->phy_task); spin_lock_irq(&hw->hw_lock); hw->intr_mask = 0; diff --git a/drivers/net/ethernet/micrel/ksz884x.c b/drivers/net/ethernet/micrel/ksz884x.c index 318fee91c79..69e01977a1d 100644 --- a/drivers/net/ethernet/micrel/ksz884x.c +++ b/drivers/net/ethernet/micrel/ksz884x.c @@ -5407,8 +5407,8 @@ static int netdev_close(struct net_device *dev) /* Delay for receive task to stop scheduling itself. */ msleep(2000 / HZ); - tasklet_disable(&hw_priv->rx_tasklet); - tasklet_disable(&hw_priv->tx_tasklet); + tasklet_kill(&hw_priv->rx_tasklet); + tasklet_kill(&hw_priv->tx_tasklet); free_irq(dev->irq, hw_priv->dev); transmit_cleanup(hw_priv, 0); @@ -5459,8 +5459,10 @@ static int prepare_hardware(struct net_device *dev) rc = request_irq(dev->irq, netdev_intr, IRQF_SHARED, dev->name, dev); if (rc) return rc; - tasklet_enable(&hw_priv->rx_tasklet); - tasklet_enable(&hw_priv->tx_tasklet); + tasklet_init(&hw_priv->rx_tasklet, rx_proc_task, + (unsigned long) hw_priv); + tasklet_init(&hw_priv->tx_tasklet, tx_proc_task, + (unsigned long) hw_priv); hw->promiscuous = 0; hw->all_multi = 0; @@ -7033,16 +7035,6 @@ static int __devinit pcidev_init(struct pci_dev *pdev, spin_lock_init(&hw_priv->hwlock); mutex_init(&hw_priv->lock); - /* tasklet is enabled. */ - tasklet_init(&hw_priv->rx_tasklet, rx_proc_task, - (unsigned long) hw_priv); - tasklet_init(&hw_priv->tx_tasklet, tx_proc_task, - (unsigned long) hw_priv); - - /* tasklet_enable will decrement the atomic counter. */ - tasklet_disable(&hw_priv->rx_tasklet); - tasklet_disable(&hw_priv->tx_tasklet); - for (i = 0; i < TOTAL_PORT_NUM; i++) init_waitqueue_head(&hw_priv->counter[i].counter); diff --git a/drivers/net/ethernet/nxp/lpc_eth.c b/drivers/net/ethernet/nxp/lpc_eth.c index 53743f7a2ca..af8b4142088 100644 --- a/drivers/net/ethernet/nxp/lpc_eth.c +++ b/drivers/net/ethernet/nxp/lpc_eth.c @@ -1524,6 +1524,7 @@ static int lpc_eth_drv_remove(struct platform_device *pdev) pldat->dma_buff_base_p); free_irq(ndev->irq, ndev); iounmap(pldat->net_base); + mdiobus_unregister(pldat->mii_bus); mdiobus_free(pldat->mii_bus); clk_disable(pldat->clk); clk_put(pldat->clk); diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c index e7ff886e804..927aa33d434 100644 --- a/drivers/net/ethernet/realtek/r8169.c +++ b/drivers/net/ethernet/realtek/r8169.c @@ -3827,6 +3827,8 @@ static void rtl_wol_suspend_quirk(struct rtl8169_private *tp) void __iomem *ioaddr = tp->mmio_addr; switch (tp->mac_version) { + case RTL_GIGA_MAC_VER_25: + case RTL_GIGA_MAC_VER_26: case RTL_GIGA_MAC_VER_29: case RTL_GIGA_MAC_VER_30: case RTL_GIGA_MAC_VER_32: @@ -4519,6 +4521,9 @@ static void rtl_set_rx_mode(struct net_device *dev) mc_filter[1] = swab32(data); } + if (tp->mac_version == RTL_GIGA_MAC_VER_35) + mc_filter[1] = mc_filter[0] = 0xffffffff; + RTL_W32(MAR0 + 4, mc_filter[1]); RTL_W32(MAR0 + 0, mc_filter[0]); diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index 62d1baf111e..c53c0f4e2ce 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -2110,7 +2110,7 @@ static void __devinit smsc911x_read_mac_address(struct net_device *dev) static int __devinit smsc911x_init(struct net_device *dev) { struct smsc911x_data *pdata = netdev_priv(dev); - unsigned int byte_test; + unsigned int byte_test, mask; unsigned int to = 100; SMSC_TRACE(pdata, probe, "Driver Parameters:"); @@ -2130,9 +2130,22 @@ static int __devinit smsc911x_init(struct net_device *dev) /* * poll the READY bit in PMT_CTRL. Any other access to the device is * forbidden while this bit isn't set. Try for 100ms + * + * Note that this test is done before the WORD_SWAP register is + * programmed. So in some configurations the READY bit is at 16 before + * WORD_SWAP is written to. This issue is worked around by waiting + * until either bit 0 or bit 16 gets set in PMT_CTRL. + * + * SMSC has confirmed that checking bit 16 (marked as reserved in + * the datasheet) is fine since these bits "will either never be set + * or can only go high after READY does (so also indicate the device + * is ready)". */ - while (!(smsc911x_reg_read(pdata, PMT_CTRL) & PMT_CTRL_READY_) && --to) + + mask = PMT_CTRL_READY_ | swahw32(PMT_CTRL_READY_); + while (!(smsc911x_reg_read(pdata, PMT_CTRL) & mask) && --to) udelay(1000); + if (to == 0) { pr_err("Device not READY in 100ms aborting\n"); return -ENODEV; diff --git a/drivers/net/ethernet/tile/tilegx.c b/drivers/net/ethernet/tile/tilegx.c index 4e981001385..66e025ad5df 100644 --- a/drivers/net/ethernet/tile/tilegx.c +++ b/drivers/net/ethernet/tile/tilegx.c @@ -917,7 +917,7 @@ static int tile_net_setup_interrupts(struct net_device *dev) ingress_irq = rc; tile_irq_activate(ingress_irq, TILE_IRQ_PERCPU); rc = request_irq(ingress_irq, tile_net_handle_ingress_irq, - 0, NULL, NULL); + 0, "tile_net", NULL); if (rc != 0) { netdev_err(dev, "request_irq failed: %d\n", rc); destroy_irq(ingress_irq); diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 0793299bd39..77e6db9dcfe 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -942,6 +942,10 @@ static int axienet_open(struct net_device *ndev) phy_start(lp->phy_dev); } + /* Enable tasklets for Axi DMA error handling */ + tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler, + (unsigned long) lp); + /* Enable interrupts for Axi DMA Tx */ ret = request_irq(lp->tx_irq, axienet_tx_irq, 0, ndev->name, ndev); if (ret) @@ -950,8 +954,7 @@ static int axienet_open(struct net_device *ndev) ret = request_irq(lp->rx_irq, axienet_rx_irq, 0, ndev->name, ndev); if (ret) goto err_rx_irq; - /* Enable tasklets for Axi DMA error handling */ - tasklet_enable(&lp->dma_err_tasklet); + return 0; err_rx_irq: @@ -960,6 +963,7 @@ err_tx_irq: if (lp->phy_dev) phy_disconnect(lp->phy_dev); lp->phy_dev = NULL; + tasklet_kill(&lp->dma_err_tasklet); dev_err(lp->dev, "request_irq() failed\n"); return ret; } @@ -990,7 +994,7 @@ static int axienet_stop(struct net_device *ndev) axienet_setoptions(ndev, lp->options & ~(XAE_OPTION_TXEN | XAE_OPTION_RXEN)); - tasklet_disable(&lp->dma_err_tasklet); + tasklet_kill(&lp->dma_err_tasklet); free_irq(lp->tx_irq, ndev); free_irq(lp->rx_irq, ndev); @@ -1613,10 +1617,6 @@ static int __devinit axienet_of_probe(struct platform_device *op) goto err_iounmap_2; } - tasklet_init(&lp->dma_err_tasklet, axienet_dma_err_handler, - (unsigned long) lp); - tasklet_disable(&lp->dma_err_tasklet); - return 0; err_iounmap_2: diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index c81e278629f..08d55b6bf27 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -31,6 +31,7 @@ #include <linux/usb/cdc.h> #include <linux/usb/usbnet.h> #include <linux/gfp.h> +#include <linux/if_vlan.h> /* @@ -92,7 +93,7 @@ static int eem_bind(struct usbnet *dev, struct usb_interface *intf) /* no jumbogram (16K) support for now */ - dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN; + dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN + VLAN_HLEN; dev->hard_mtu = dev->net->mtu + dev->net->hard_header_len; return 0; diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 4cd582a4f62..74fab1a4015 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -540,10 +540,12 @@ advance: (ctx->ether_desc == NULL) || (ctx->control != intf)) goto error; - /* claim interfaces, if any */ - temp = usb_driver_claim_interface(driver, ctx->data, dev); - if (temp) - goto error; + /* claim data interface, if different from control */ + if (ctx->data != ctx->control) { + temp = usb_driver_claim_interface(driver, ctx->data, dev); + if (temp) + goto error; + } iface_no = ctx->data->cur_altsetting->desc.bInterfaceNumber; @@ -623,6 +625,10 @@ static void cdc_ncm_unbind(struct usbnet *dev, struct usb_interface *intf) tasklet_kill(&ctx->bh); + /* handle devices with combined control and data interface */ + if (ctx->control == ctx->data) + ctx->data = NULL; + /* disconnect master --> disconnect slave */ if (intf == ctx->control && ctx->data) { usb_set_intfdata(ctx->data, NULL); @@ -1245,6 +1251,14 @@ static const struct usb_device_id cdc_devs[] = { .driver_info = (unsigned long) &wwan_info, }, + /* Huawei NCM devices disguised as vendor specific */ + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x16), + .driver_info = (unsigned long)&wwan_info, + }, + { USB_VENDOR_AND_INTERFACE_INFO(0x12d1, 0xff, 0x02, 0x46), + .driver_info = (unsigned long)&wwan_info, + }, + /* Generic CDC-NCM devices */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE), diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 7479a5761d0..362cb8cfeb9 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -184,7 +184,7 @@ static int smsc95xx_mdio_read(struct net_device *netdev, int phy_id, int idx) /* set the address, index & direction (read from PHY) */ phy_id &= dev->mii.phy_id_mask; idx &= dev->mii.reg_num_mask; - addr = (phy_id << 11) | (idx << 6) | MII_READ_; + addr = (phy_id << 11) | (idx << 6) | MII_READ_ | MII_BUSY_; ret = smsc95xx_write_reg(dev, MII_ADDR, addr); check_warn_goto_done(ret, "Error writing MII_ADDR"); @@ -221,7 +221,7 @@ static void smsc95xx_mdio_write(struct net_device *netdev, int phy_id, int idx, /* set the address, index & direction (write to PHY) */ phy_id &= dev->mii.phy_id_mask; idx &= dev->mii.reg_num_mask; - addr = (phy_id << 11) | (idx << 6) | MII_WRITE_; + addr = (phy_id << 11) | (idx << 6) | MII_WRITE_ | MII_BUSY_; ret = smsc95xx_write_reg(dev, MII_ADDR, addr); check_warn_goto_done(ret, "Error writing MII_ADDR"); @@ -1344,6 +1344,7 @@ static struct sk_buff *smsc95xx_tx_fixup(struct usbnet *dev, } else { u32 csum_preamble = smsc95xx_calc_csum_preamble(skb); skb_push(skb, 4); + cpu_to_le32s(&csum_preamble); memcpy(skb->data, &csum_preamble, 4); } } diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index cb04f900cc4..edb81ed0695 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -359,10 +359,12 @@ static enum skb_state defer_bh(struct usbnet *dev, struct sk_buff *skb, void usbnet_defer_kevent (struct usbnet *dev, int work) { set_bit (work, &dev->flags); - if (!schedule_work (&dev->kevent)) - netdev_err(dev->net, "kevent %d may have been dropped\n", work); - else + if (!schedule_work (&dev->kevent)) { + if (net_ratelimit()) + netdev_err(dev->net, "kevent %d may have been dropped\n", work); + } else { netdev_dbg(dev->net, "kevent %d scheduled\n", work); + } } EXPORT_SYMBOL_GPL(usbnet_defer_kevent); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index ce9d4f2c977..0ae1bcc6da7 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -744,28 +744,43 @@ vmxnet3_map_pkt(struct sk_buff *skb, struct vmxnet3_tx_ctx *ctx, for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + u32 buf_size; - tbi = tq->buf_info + tq->tx_ring.next2fill; - tbi->map_type = VMXNET3_MAP_PAGE; - tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, - 0, skb_frag_size(frag), - DMA_TO_DEVICE); + buf_offset = 0; + len = skb_frag_size(frag); + while (len) { + tbi = tq->buf_info + tq->tx_ring.next2fill; + if (len < VMXNET3_MAX_TX_BUF_SIZE) { + buf_size = len; + dw2 |= len; + } else { + buf_size = VMXNET3_MAX_TX_BUF_SIZE; + /* spec says that for TxDesc.len, 0 == 2^14 */ + } + tbi->map_type = VMXNET3_MAP_PAGE; + tbi->dma_addr = skb_frag_dma_map(&adapter->pdev->dev, frag, + buf_offset, buf_size, + DMA_TO_DEVICE); - tbi->len = skb_frag_size(frag); + tbi->len = buf_size; - gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; - BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); + gdesc = tq->tx_ring.base + tq->tx_ring.next2fill; + BUG_ON(gdesc->txd.gen == tq->tx_ring.gen); - gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); - gdesc->dword[2] = cpu_to_le32(dw2 | skb_frag_size(frag)); - gdesc->dword[3] = 0; + gdesc->txd.addr = cpu_to_le64(tbi->dma_addr); + gdesc->dword[2] = cpu_to_le32(dw2); + gdesc->dword[3] = 0; - dev_dbg(&adapter->netdev->dev, - "txd[%u]: 0x%llu %u %u\n", - tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), - le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); - vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); - dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + dev_dbg(&adapter->netdev->dev, + "txd[%u]: 0x%llu %u %u\n", + tq->tx_ring.next2fill, le64_to_cpu(gdesc->txd.addr), + le32_to_cpu(gdesc->dword[2]), gdesc->dword[3]); + vmxnet3_cmd_ring_adv_next2fill(&tq->tx_ring); + dw2 = tq->tx_ring.gen << VMXNET3_TXD_GEN_SHIFT; + + len -= buf_size; + buf_offset += buf_size; + } } ctx->eop_txd = gdesc; @@ -886,6 +901,18 @@ vmxnet3_prepare_tso(struct sk_buff *skb, } } +static int txd_estimate(const struct sk_buff *skb) +{ + int count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + 1; + int i; + + for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { + const struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; + + count += VMXNET3_TXD_NEEDED(skb_frag_size(frag)); + } + return count; +} /* * Transmits a pkt thru a given tq @@ -914,9 +941,7 @@ vmxnet3_tq_xmit(struct sk_buff *skb, struct vmxnet3_tx_queue *tq, union Vmxnet3_GenericDesc tempTxDesc; #endif - /* conservatively estimate # of descriptors to use */ - count = VMXNET3_TXD_NEEDED(skb_headlen(skb)) + - skb_shinfo(skb)->nr_frags + 1; + count = txd_estimate(skb); ctx.ipv4 = (vlan_get_protocol(skb) == cpu_to_be16(ETH_P_IP)); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index 607976c0016..8b5c6191707 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -1,5 +1,5 @@ /* - * VXLAN: Virtual eXtensiable Local Area Network + * VXLAN: Virtual eXtensible Local Area Network * * Copyright (c) 2012 Vyatta Inc. * @@ -50,8 +50,8 @@ #define VXLAN_N_VID (1u << 24) #define VXLAN_VID_MASK (VXLAN_N_VID - 1) -/* VLAN + IP header + UDP + VXLAN */ -#define VXLAN_HEADROOM (4 + 20 + 8 + 8) +/* IP header + UDP + VXLAN + Ethernet header */ +#define VXLAN_HEADROOM (20 + 8 + 8 + 14) #define VXLAN_FLAGS 0x08000000 /* struct vxlanhdr.vx_flags required value. */ @@ -816,7 +816,7 @@ static void vxlan_cleanup(unsigned long arg) = container_of(p, struct vxlan_fdb, hlist); unsigned long timeout; - if (f->state == NUD_PERMANENT) + if (f->state & NUD_PERMANENT) continue; timeout = f->used + vxlan->age_interval * HZ; @@ -1102,6 +1102,10 @@ static int vxlan_newlink(struct net *net, struct net_device *dev, if (!tb[IFLA_MTU]) dev->mtu = lowerdev->mtu - VXLAN_HEADROOM; + + /* update header length based on lower device */ + dev->hard_header_len = lowerdev->hard_header_len + + VXLAN_HEADROOM; } if (data[IFLA_VXLAN_TOS]) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 378bd70256b..741918a2027 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -312,6 +312,7 @@ static struct ath_buf *ath_tx_get_buffer(struct ath_softc *sc) } bf = list_first_entry(&sc->tx.txbuf, struct ath_buf, list); + bf->bf_next = NULL; list_del(&bf->list); spin_unlock_bh(&sc->tx.txbuflock); @@ -393,7 +394,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0, seq_first; u32 ba[WME_BA_BMP_SIZE >> 5]; int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0; - bool rc_update = true; + bool rc_update = true, isba; struct ieee80211_tx_rate rates[4]; struct ath_frame_info *fi; int nframes; @@ -437,13 +438,17 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, tidno = ieee80211_get_qos_ctl(hdr)[0] & IEEE80211_QOS_CTL_TID_MASK; tid = ATH_AN_2_TID(an, tidno); seq_first = tid->seq_start; + isba = ts->ts_flags & ATH9K_TX_BA; /* * The hardware occasionally sends a tx status for the wrong TID. * In this case, the BA status cannot be considered valid and all * subframes need to be retransmitted + * + * Only BlockAcks have a TID and therefore normal Acks cannot be + * checked */ - if (tidno != ts->tid) + if (isba && tidno != ts->tid) txok = false; isaggr = bf_isaggr(bf); @@ -1774,6 +1779,7 @@ static void ath_tx_send_normal(struct ath_softc *sc, struct ath_txq *txq, list_add_tail(&bf->list, &bf_head); bf->bf_state.bf_type = 0; + bf->bf_next = NULL; bf->bf_lastbf = bf; ath_tx_fill_desc(sc, bf, txq, fi->framelen); ath_tx_txqaddbuf(sc, txq, &bf_head, false); diff --git a/drivers/net/wireless/b43legacy/pio.c b/drivers/net/wireless/b43legacy/pio.c index 192251adf98..282eedec675 100644 --- a/drivers/net/wireless/b43legacy/pio.c +++ b/drivers/net/wireless/b43legacy/pio.c @@ -382,7 +382,7 @@ static void cancel_transfers(struct b43legacy_pioqueue *queue) { struct b43legacy_pio_txpacket *packet, *tmp_packet; - tasklet_disable(&queue->txtask); + tasklet_kill(&queue->txtask); list_for_each_entry_safe(packet, tmp_packet, &queue->txrunning, list) free_txpacket(packet, 0); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index a6f1e816600..481345c23de 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -4401,7 +4401,7 @@ static s32 brcmf_mode_to_nl80211_iftype(s32 mode) static void brcmf_wiphy_pno_params(struct wiphy *wiphy) { -#ifndef CONFIG_BRCMFISCAN +#ifndef CONFIG_BRCMISCAN /* scheduled scan settings */ wiphy->max_sched_scan_ssids = BRCMF_PNO_MAX_PFN_COUNT; wiphy->max_match_sets = BRCMF_PNO_MAX_PFN_COUNT; diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c index ff8162d4c45..fa4d1b8cd9f 100644 --- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c @@ -521,7 +521,7 @@ static void iwlagn_mac_tx(struct ieee80211_hw *hw, ieee80211_get_tx_rate(hw, IEEE80211_SKB_CB(skb))->bitrate); if (iwlagn_tx_skb(priv, control->sta, skb)) - dev_kfree_skb_any(skb); + ieee80211_free_txskb(hw, skb); } static void iwlagn_mac_update_tkip_key(struct ieee80211_hw *hw, diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c index 7ff3f143067..408132cf83c 100644 --- a/drivers/net/wireless/iwlwifi/dvm/main.c +++ b/drivers/net/wireless/iwlwifi/dvm/main.c @@ -2114,7 +2114,7 @@ static void iwl_free_skb(struct iwl_op_mode *op_mode, struct sk_buff *skb) info = IEEE80211_SKB_CB(skb); iwl_trans_free_tx_cmd(priv->trans, info->driver_data[1]); - dev_kfree_skb_any(skb); + ieee80211_free_txskb(priv->hw, skb); } static void iwl_set_hw_rfkill_state(struct iwl_op_mode *op_mode, bool state) diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 17c8e5d8268..bb69f8f90b3 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -321,6 +321,14 @@ static void iwl_rx_allocate(struct iwl_trans *trans, gfp_t priority) dma_map_page(trans->dev, page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + rxb->page = NULL; + spin_lock_irqsave(&rxq->lock, flags); + list_add(&rxb->list, &rxq->rx_used); + spin_unlock_irqrestore(&rxq->lock, flags); + __free_pages(page, trans_pcie->rx_page_order); + return; + } /* dma address must be no more than 36 bits */ BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36)); /* and also 256 byte aligned! */ @@ -488,8 +496,19 @@ static void iwl_rx_handle_rxbuf(struct iwl_trans *trans, dma_map_page(trans->dev, rxb->page, 0, PAGE_SIZE << trans_pcie->rx_page_order, DMA_FROM_DEVICE); - list_add_tail(&rxb->list, &rxq->rx_free); - rxq->free_count++; + if (dma_mapping_error(trans->dev, rxb->page_dma)) { + /* + * free the page(s) as well to not break + * the invariant that the items on the used + * list have no page(s) + */ + __free_pages(rxb->page, trans_pcie->rx_page_order); + rxb->page = NULL; + list_add_tail(&rxb->list, &rxq->rx_used); + } else { + list_add_tail(&rxb->list, &rxq->rx_free); + rxq->free_count++; + } } else list_add_tail(&rxb->list, &rxq->rx_used); spin_unlock_irqrestore(&rxq->lock, flags); diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 01dc8891070..59474ae0aec 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2449,7 +2449,7 @@ static int rt2800_get_gain_calibration_delta(struct rt2x00_dev *rt2x00dev) /* * Check if temperature compensation is supported. */ - if (tssi_bounds[4] == 0xff) + if (tssi_bounds[4] == 0xff || step == 0xff) return 0; /* diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index 6241fd05bd4..a543746fb35 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -320,10 +320,7 @@ void pci_walk_bus(struct pci_bus *top, int (*cb)(struct pci_dev *, void *), } else next = dev->bus_list.next; - /* Run device routines with the device locked */ - device_lock(&dev->dev); retval = cb(dev, userdata); - device_unlock(&dev->dev); if (retval) break; } diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index 94c6e2aa03d..6c94fc9489e 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -398,6 +398,8 @@ static void pci_device_shutdown(struct device *dev) struct pci_dev *pci_dev = to_pci_dev(dev); struct pci_driver *drv = pci_dev->driver; + pm_runtime_resume(dev); + if (drv && drv->shutdown) drv->shutdown(pci_dev); pci_msi_shutdown(pci_dev); @@ -408,16 +410,6 @@ static void pci_device_shutdown(struct device *dev) * continue to do DMA */ pci_disable_device(pci_dev); - - /* - * Devices may be enabled to wake up by runtime PM, but they need not - * be supposed to wake up the system from its "power off" state (e.g. - * ACPI S5). Therefore disable wakeup for all devices that aren't - * supposed to wake up the system at this point. The state argument - * will be ignored by pci_enable_wake(). - */ - if (!device_may_wakeup(dev)) - pci_enable_wake(pci_dev, PCI_UNKNOWN, false); } #ifdef CONFIG_PM diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index 02d107b1528..f39378d9da1 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -458,40 +458,6 @@ boot_vga_show(struct device *dev, struct device_attribute *attr, char *buf) } struct device_attribute vga_attr = __ATTR_RO(boot_vga); -static void -pci_config_pm_runtime_get(struct pci_dev *pdev) -{ - struct device *dev = &pdev->dev; - struct device *parent = dev->parent; - - if (parent) - pm_runtime_get_sync(parent); - pm_runtime_get_noresume(dev); - /* - * pdev->current_state is set to PCI_D3cold during suspending, - * so wait until suspending completes - */ - pm_runtime_barrier(dev); - /* - * Only need to resume devices in D3cold, because config - * registers are still accessible for devices suspended but - * not in D3cold. - */ - if (pdev->current_state == PCI_D3cold) - pm_runtime_resume(dev); -} - -static void -pci_config_pm_runtime_put(struct pci_dev *pdev) -{ - struct device *dev = &pdev->dev; - struct device *parent = dev->parent; - - pm_runtime_put(dev); - if (parent) - pm_runtime_put_sync(parent); -} - static ssize_t pci_read_config(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 54858838f09..aabf64798bd 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1858,6 +1858,38 @@ bool pci_dev_run_wake(struct pci_dev *dev) } EXPORT_SYMBOL_GPL(pci_dev_run_wake); +void pci_config_pm_runtime_get(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + if (parent) + pm_runtime_get_sync(parent); + pm_runtime_get_noresume(dev); + /* + * pdev->current_state is set to PCI_D3cold during suspending, + * so wait until suspending completes + */ + pm_runtime_barrier(dev); + /* + * Only need to resume devices in D3cold, because config + * registers are still accessible for devices suspended but + * not in D3cold. + */ + if (pdev->current_state == PCI_D3cold) + pm_runtime_resume(dev); +} + +void pci_config_pm_runtime_put(struct pci_dev *pdev) +{ + struct device *dev = &pdev->dev; + struct device *parent = dev->parent; + + pm_runtime_put(dev); + if (parent) + pm_runtime_put_sync(parent); +} + /** * pci_pm_init - Initialize PM functions of given PCI device * @dev: PCI device to handle. diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index bacbcba69cf..fd92aab9904 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -72,6 +72,8 @@ extern void pci_disable_enabled_device(struct pci_dev *dev); extern int pci_finish_runtime_suspend(struct pci_dev *dev); extern int __pci_pme_wakeup(struct pci_dev *dev, void *ign); extern void pci_wakeup_bus(struct pci_bus *bus); +extern void pci_config_pm_runtime_get(struct pci_dev *dev); +extern void pci_config_pm_runtime_put(struct pci_dev *dev); extern void pci_pm_init(struct pci_dev *dev); extern void platform_pci_wakeup_init(struct pci_dev *dev); extern void pci_allocate_cap_save_buffers(struct pci_dev *dev); diff --git a/drivers/pci/pcie/aer/aerdrv_core.c b/drivers/pci/pcie/aer/aerdrv_core.c index 06bad96af41..af4e31cd3a3 100644 --- a/drivers/pci/pcie/aer/aerdrv_core.c +++ b/drivers/pci/pcie/aer/aerdrv_core.c @@ -213,6 +213,7 @@ static int report_error_detected(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); dev->error_state = result_data->state; if (!dev->driver || @@ -231,12 +232,14 @@ static int report_error_detected(struct pci_dev *dev, void *data) dev->driver ? "no AER-aware driver" : "no driver"); } - return 0; + goto out; } err_handler = dev->driver->err_handler; vote = err_handler->error_detected(dev, result_data->state); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -247,14 +250,17 @@ static int report_mmio_enabled(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->mmio_enabled) - return 0; + goto out; err_handler = dev->driver->err_handler; vote = err_handler->mmio_enabled(dev); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -265,14 +271,17 @@ static int report_slot_reset(struct pci_dev *dev, void *data) struct aer_broadcast_data *result_data; result_data = (struct aer_broadcast_data *) data; + device_lock(&dev->dev); if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->slot_reset) - return 0; + goto out; err_handler = dev->driver->err_handler; vote = err_handler->slot_reset(dev); result_data->result = merge_result(result_data->result, vote); +out: + device_unlock(&dev->dev); return 0; } @@ -280,15 +289,18 @@ static int report_resume(struct pci_dev *dev, void *data) { const struct pci_error_handlers *err_handler; + device_lock(&dev->dev); dev->error_state = pci_channel_io_normal; if (!dev->driver || !dev->driver->err_handler || !dev->driver->err_handler->resume) - return 0; + goto out; err_handler = dev->driver->err_handler; err_handler->resume(dev); +out: + device_unlock(&dev->dev); return 0; } diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c index d03a7a39b2d..ed129b41462 100644 --- a/drivers/pci/pcie/portdrv_core.c +++ b/drivers/pci/pcie/portdrv_core.c @@ -272,7 +272,8 @@ static int get_port_device_capability(struct pci_dev *dev) } /* Hot-Plug Capable */ - if (cap_mask & PCIE_PORT_SERVICE_HP) { + if ((cap_mask & PCIE_PORT_SERVICE_HP) && + dev->pcie_flags_reg & PCI_EXP_FLAGS_SLOT) { pcie_capability_read_dword(dev, PCI_EXP_SLTCAP, ®32); if (reg32 & PCI_EXP_SLTCAP_HPC) { services |= PCIE_PORT_SERVICE_HP; diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index eb907a8faf2..9b8505ccc56 100644 --- a/drivers/pci/proc.c +++ b/drivers/pci/proc.c @@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp if (!access_ok(VERIFY_WRITE, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; pci_user_read_config_byte(dev, pos, &val); @@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; return nbytes; } @@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof if (!access_ok(VERIFY_READ, buf, cnt)) return -EINVAL; + pci_config_pm_runtime_get(dev); + if ((pos & 1) && cnt) { unsigned char val; __get_user(val, buf); @@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof cnt--; } + pci_config_pm_runtime_put(dev); + *ppos = pos; i_size_write(ino, dp->size); return nbytes; diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 7bf914df6e9..d96caefd914 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -179,11 +179,13 @@ config PINCTRL_COH901 config PINCTRL_SAMSUNG bool "Samsung pinctrl driver" + depends on OF && GPIOLIB select PINMUX select PINCONF config PINCTRL_EXYNOS4 bool "Pinctrl driver data for Exynos4 SoC" + depends on OF && GPIOLIB select PINCTRL_SAMSUNG config PINCTRL_MVEBU diff --git a/drivers/pinctrl/spear/pinctrl-spear.c b/drivers/pinctrl/spear/pinctrl-spear.c index 5d4f44f462f..b1fd6ee33c6 100644 --- a/drivers/pinctrl/spear/pinctrl-spear.c +++ b/drivers/pinctrl/spear/pinctrl-spear.c @@ -244,7 +244,7 @@ static int spear_pinctrl_endisable(struct pinctrl_dev *pctldev, else temp = ~muxreg->val; - val |= temp; + val |= muxreg->mask & temp; pmx_writel(pmx, val, muxreg->reg); } } diff --git a/drivers/pinctrl/spear/pinctrl-spear1310.c b/drivers/pinctrl/spear/pinctrl-spear1310.c index d6cca8c81b9..0436fc7895d 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1310.c +++ b/drivers/pinctrl/spear/pinctrl-spear1310.c @@ -25,8 +25,8 @@ static const struct pinctrl_pin_desc spear1310_pins[] = { }; /* registers */ -#define PERIP_CFG 0x32C - #define MCIF_SEL_SHIFT 3 +#define PERIP_CFG 0x3B0 + #define MCIF_SEL_SHIFT 5 #define MCIF_SEL_SD (0x1 << MCIF_SEL_SHIFT) #define MCIF_SEL_CF (0x2 << MCIF_SEL_SHIFT) #define MCIF_SEL_XD (0x3 << MCIF_SEL_SHIFT) @@ -164,6 +164,10 @@ static const struct pinctrl_pin_desc spear1310_pins[] = { #define PMX_SSP0_CS0_MASK (1 << 29) #define PMX_SSP0_CS1_2_MASK (1 << 30) +#define PAD_DIRECTION_SEL_0 0x65C +#define PAD_DIRECTION_SEL_1 0x660 +#define PAD_DIRECTION_SEL_2 0x664 + /* combined macros */ #define PMX_GMII_MASK (PMX_GMIICLK_MASK | \ PMX_GMIICOL_CRS_XFERER_MIITXCLK_MASK | \ @@ -237,6 +241,10 @@ static struct spear_muxreg i2c0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2C0_MASK, .val = PMX_I2C0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2C0_MASK, + .val = PMX_I2C0_MASK, }, }; @@ -269,6 +277,10 @@ static struct spear_muxreg ssp0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SSP0_MASK, .val = PMX_SSP0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SSP0_MASK, + .val = PMX_SSP0_MASK, }, }; @@ -294,6 +306,10 @@ static struct spear_muxreg ssp0_cs0_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_SSP0_CS0_MASK, .val = PMX_SSP0_CS0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_SSP0_CS0_MASK, + .val = PMX_SSP0_CS0_MASK, }, }; @@ -319,6 +335,10 @@ static struct spear_muxreg ssp0_cs1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_SSP0_CS1_2_MASK, .val = PMX_SSP0_CS1_2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_SSP0_CS1_2_MASK, + .val = PMX_SSP0_CS1_2_MASK, }, }; @@ -352,6 +372,10 @@ static struct spear_muxreg i2s0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK, .val = PMX_I2S0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK, + .val = PMX_I2S0_MASK, }, }; @@ -384,6 +408,10 @@ static struct spear_muxreg i2s1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_I2S1_MASK, .val = PMX_I2S1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_I2S1_MASK, + .val = PMX_I2S1_MASK, }, }; @@ -418,6 +446,10 @@ static struct spear_muxreg clcd_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = PMX_CLCD1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -443,6 +475,10 @@ static struct spear_muxreg clcd_high_res_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_CLCD2_MASK, .val = PMX_CLCD2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_CLCD2_MASK, + .val = PMX_CLCD2_MASK, }, }; @@ -461,7 +497,7 @@ static struct spear_pingroup clcd_high_res_pingroup = { .nmodemuxs = ARRAY_SIZE(clcd_high_res_modemux), }; -static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res" }; +static const char *const clcd_grps[] = { "clcd_grp", "clcd_high_res_grp" }; static struct spear_function clcd_function = { .name = "clcd", .groups = clcd_grps, @@ -479,6 +515,14 @@ static struct spear_muxreg arm_gpio_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_EGPIO_1_GRP_MASK, .val = PMX_EGPIO_1_GRP_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_EGPIO_0_GRP_MASK, + .val = PMX_EGPIO_0_GRP_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_EGPIO_1_GRP_MASK, + .val = PMX_EGPIO_1_GRP_MASK, }, }; @@ -511,6 +555,10 @@ static struct spear_muxreg smi_2_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SMI_MASK, .val = PMX_SMI_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, }, }; @@ -539,6 +587,14 @@ static struct spear_muxreg smi_4_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, + .val = PMX_SMINCS2_MASK | PMX_SMINCS3_MASK, }, }; @@ -573,6 +629,10 @@ static struct spear_muxreg gmii_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_GMII_MASK, .val = PMX_GMII_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_GMII_MASK, + .val = PMX_GMII_MASK, }, }; @@ -615,6 +675,18 @@ static struct spear_muxreg rgmii_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_RGMII_REG2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_RGMII_REG0_MASK, + .val = PMX_RGMII_REG0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_RGMII_REG1_MASK, + .val = PMX_RGMII_REG1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_RGMII_REG2_MASK, + .val = PMX_RGMII_REG2_MASK, }, }; @@ -649,6 +721,10 @@ static struct spear_muxreg smii_0_1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_SMII_0_1_2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_SMII_0_1_2_MASK, + .val = PMX_SMII_0_1_2_MASK, }, }; @@ -681,6 +757,10 @@ static struct spear_muxreg ras_mii_txclk_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NFCE2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NFCE2_MASK, + .val = PMX_NFCE2_MASK, }, }; @@ -721,6 +801,14 @@ static struct spear_muxreg nand_8bit_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND8BIT_1_MASK, .val = PMX_NAND8BIT_1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_NAND8BIT_0_MASK, + .val = PMX_NAND8BIT_0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND8BIT_1_MASK, + .val = PMX_NAND8BIT_1_MASK, }, }; @@ -747,6 +835,10 @@ static struct spear_muxreg nand_16bit_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND16BIT_1_MASK, .val = PMX_NAND16BIT_1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND16BIT_1_MASK, + .val = PMX_NAND16BIT_1_MASK, }, }; @@ -772,6 +864,10 @@ static struct spear_muxreg nand_4_chips_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NAND_4CHIPS_MASK, .val = PMX_NAND_4CHIPS_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NAND_4CHIPS_MASK, + .val = PMX_NAND_4CHIPS_MASK, }, }; @@ -833,6 +929,10 @@ static struct spear_muxreg keyboard_rowcol6_8_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL68_MASK, .val = PMX_KBD_ROWCOL68_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL68_MASK, + .val = PMX_KBD_ROWCOL68_MASK, }, }; @@ -866,6 +966,10 @@ static struct spear_muxreg uart0_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_UART0_MASK, .val = PMX_UART0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_UART0_MASK, + .val = PMX_UART0_MASK, }, }; @@ -891,6 +995,10 @@ static struct spear_muxreg uart0_modem_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_UART0_MODEM_MASK, .val = PMX_UART0_MODEM_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_UART0_MODEM_MASK, + .val = PMX_UART0_MODEM_MASK, }, }; @@ -923,6 +1031,10 @@ static struct spear_muxreg gpt0_tmr0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT0_TMR0_MASK, .val = PMX_GPT0_TMR0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT0_TMR0_MASK, + .val = PMX_GPT0_TMR0_MASK, }, }; @@ -948,6 +1060,10 @@ static struct spear_muxreg gpt0_tmr1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT0_TMR1_MASK, .val = PMX_GPT0_TMR1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT0_TMR1_MASK, + .val = PMX_GPT0_TMR1_MASK, }, }; @@ -980,6 +1096,10 @@ static struct spear_muxreg gpt1_tmr0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT1_TMR0_MASK, .val = PMX_GPT1_TMR0_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT1_TMR0_MASK, + .val = PMX_GPT1_TMR0_MASK, }, }; @@ -1005,6 +1125,10 @@ static struct spear_muxreg gpt1_tmr1_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_GPT1_TMR1_MASK, .val = PMX_GPT1_TMR1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_GPT1_TMR1_MASK, + .val = PMX_GPT1_TMR1_MASK, }, }; @@ -1049,6 +1173,20 @@ static const unsigned mcif_pins[] = { 86, 87, 88, 89, 90, 91, 92, 93, 213, 214, .reg = PAD_FUNCTION_EN_2, \ .mask = PMX_MCIFALL_2_MASK, \ .val = PMX_MCIFALL_2_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_0, \ + .mask = PMX_MCI_DATA8_15_MASK, \ + .val = PMX_MCI_DATA8_15_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_1, \ + .mask = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK | \ + PMX_NFWPRT2_MASK, \ + .val = PMX_MCIFALL_1_MASK | PMX_NFWPRT1_MASK | \ + PMX_NFWPRT2_MASK, \ + }, { \ + .reg = PAD_DIRECTION_SEL_2, \ + .mask = PMX_MCIFALL_2_MASK, \ + .val = PMX_MCIFALL_2_MASK, \ } /* sdhci device */ @@ -1154,6 +1292,10 @@ static struct spear_muxreg touch_xy_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_TOUCH_XY_MASK, .val = PMX_TOUCH_XY_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_TOUCH_XY_MASK, + .val = PMX_TOUCH_XY_MASK, }, }; @@ -1187,6 +1329,10 @@ static struct spear_muxreg uart1_dis_i2c_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2C0_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2C0_MASK, + .val = PMX_I2C0_MASK, }, }; @@ -1213,6 +1359,12 @@ static struct spear_muxreg uart1_dis_sd_muxreg[] = { .mask = PMX_MCIDATA1_MASK | PMX_MCIDATA2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_MCIDATA1_MASK | + PMX_MCIDATA2_MASK, + .val = PMX_MCIDATA1_MASK | + PMX_MCIDATA2_MASK, }, }; @@ -1246,6 +1398,10 @@ static struct spear_muxreg uart2_3_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK, + .val = PMX_I2S0_MASK, }, }; @@ -1278,6 +1434,10 @@ static struct spear_muxreg uart4_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_I2S0_MASK | PMX_CLCD1_MASK, + .val = PMX_I2S0_MASK | PMX_CLCD1_MASK, }, }; @@ -1310,6 +1470,10 @@ static struct spear_muxreg uart5_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1344,6 +1508,10 @@ static struct spear_muxreg rs485_0_1_tdm_0_1_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1376,6 +1544,10 @@ static struct spear_muxreg i2c_1_2_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK, + .val = PMX_CLCD1_MASK, }, }; @@ -1409,6 +1581,10 @@ static struct spear_muxreg i2c3_dis_smi_clcd_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_CLCD1_MASK | PMX_SMI_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_CLCD1_MASK | PMX_SMI_MASK, + .val = PMX_CLCD1_MASK | PMX_SMI_MASK, }, }; @@ -1435,6 +1611,10 @@ static struct spear_muxreg i2c3_dis_sd_i2s0_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, + .val = PMX_I2S1_MASK | PMX_MCIDATA3_MASK, }, }; @@ -1469,6 +1649,10 @@ static struct spear_muxreg i2c_4_5_dis_smi_muxreg[] = { .reg = PAD_FUNCTION_EN_0, .mask = PMX_SMI_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_SMI_MASK, + .val = PMX_SMI_MASK, }, }; @@ -1499,6 +1683,14 @@ static struct spear_muxreg i2c4_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCIDATA5_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_MCIDATA4_MASK, + .val = PMX_MCIDATA4_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIDATA5_MASK, + .val = PMX_MCIDATA5_MASK, }, }; @@ -1526,6 +1718,12 @@ static struct spear_muxreg i2c5_dis_sd_muxreg[] = { .mask = PMX_MCIDATA6_MASK | PMX_MCIDATA7_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIDATA6_MASK | + PMX_MCIDATA7_MASK, + .val = PMX_MCIDATA6_MASK | + PMX_MCIDATA7_MASK, }, }; @@ -1560,6 +1758,10 @@ static struct spear_muxreg i2c_6_7_dis_kbd_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL25_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK, + .val = PMX_KBD_ROWCOL25_MASK, }, }; @@ -1587,6 +1789,12 @@ static struct spear_muxreg i2c6_dis_sd_muxreg[] = { .mask = PMX_MCIIORDRE_MASK | PMX_MCIIOWRWE_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIIORDRE_MASK | + PMX_MCIIOWRWE_MASK, + .val = PMX_MCIIORDRE_MASK | + PMX_MCIIOWRWE_MASK, }, }; @@ -1613,6 +1821,12 @@ static struct spear_muxreg i2c7_dis_sd_muxreg[] = { .mask = PMX_MCIRESETCF_MASK | PMX_MCICS0CE_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIRESETCF_MASK | + PMX_MCICS0CE_MASK, + .val = PMX_MCIRESETCF_MASK | + PMX_MCICS0CE_MASK, }, }; @@ -1651,6 +1865,14 @@ static struct spear_muxreg can0_dis_nor_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_NFRSTPWDWN3_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_NFRSTPWDWN2_MASK, + .val = PMX_NFRSTPWDWN2_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_NFRSTPWDWN3_MASK, + .val = PMX_NFRSTPWDWN3_MASK, }, }; @@ -1677,6 +1899,10 @@ static struct spear_muxreg can0_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, + .val = PMX_MCICFINTR_MASK | PMX_MCIIORDY_MASK, }, }; @@ -1711,6 +1937,10 @@ static struct spear_muxreg can1_dis_sd_muxreg[] = { .reg = PAD_FUNCTION_EN_2, .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, + .val = PMX_MCICS1_MASK | PMX_MCIDMAACK_MASK, }, }; @@ -1737,6 +1967,10 @@ static struct spear_muxreg can1_dis_kbd_muxreg[] = { .reg = PAD_FUNCTION_EN_1, .mask = PMX_KBD_ROWCOL25_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK, + .val = PMX_KBD_ROWCOL25_MASK, }, }; @@ -1763,29 +1997,64 @@ static struct spear_function can1_function = { .ngroups = ARRAY_SIZE(can1_grps), }; -/* Pad multiplexing for pci device */ -static const unsigned pci_sata_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, +/* Pad multiplexing for (ras-ip) pci device */ +static const unsigned pci_pins[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 }; -#define PCI_SATA_MUXREG \ - { \ - .reg = PAD_FUNCTION_EN_0, \ - .mask = PMX_MCI_DATA8_15_MASK, \ - .val = 0, \ - }, { \ - .reg = PAD_FUNCTION_EN_1, \ - .mask = PMX_PCI_REG1_MASK, \ - .val = 0, \ - }, { \ - .reg = PAD_FUNCTION_EN_2, \ - .mask = PMX_PCI_REG2_MASK, \ - .val = 0, \ - } -/* pad multiplexing for pcie0 device */ +static struct spear_muxreg pci_muxreg[] = { + { + .reg = PAD_FUNCTION_EN_0, + .mask = PMX_MCI_DATA8_15_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_1, + .mask = PMX_PCI_REG1_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_2, + .mask = PMX_PCI_REG2_MASK, + .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_0, + .mask = PMX_MCI_DATA8_15_MASK, + .val = PMX_MCI_DATA8_15_MASK, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_PCI_REG1_MASK, + .val = PMX_PCI_REG1_MASK, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_PCI_REG2_MASK, + .val = PMX_PCI_REG2_MASK, + }, +}; + +static struct spear_modemux pci_modemux[] = { + { + .muxregs = pci_muxreg, + .nmuxregs = ARRAY_SIZE(pci_muxreg), + }, +}; + +static struct spear_pingroup pci_pingroup = { + .name = "pci_grp", + .pins = pci_pins, + .npins = ARRAY_SIZE(pci_pins), + .modemuxs = pci_modemux, + .nmodemuxs = ARRAY_SIZE(pci_modemux), +}; + +static const char *const pci_grps[] = { "pci_grp" }; +static struct spear_function pci_function = { + .name = "pci", + .groups = pci_grps, + .ngroups = ARRAY_SIZE(pci_grps), +}; + +/* pad multiplexing for (fix-part) pcie0 device */ static struct spear_muxreg pcie0_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(0), @@ -1802,15 +2071,12 @@ static struct spear_modemux pcie0_modemux[] = { static struct spear_pingroup pcie0_pingroup = { .name = "pcie0_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie0_modemux, .nmodemuxs = ARRAY_SIZE(pcie0_modemux), }; -/* pad multiplexing for pcie1 device */ +/* pad multiplexing for (fix-part) pcie1 device */ static struct spear_muxreg pcie1_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(1), @@ -1827,15 +2093,12 @@ static struct spear_modemux pcie1_modemux[] = { static struct spear_pingroup pcie1_pingroup = { .name = "pcie1_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie1_modemux, .nmodemuxs = ARRAY_SIZE(pcie1_modemux), }; -/* pad multiplexing for pcie2 device */ +/* pad multiplexing for (fix-part) pcie2 device */ static struct spear_muxreg pcie2_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = PCIE_CFG_VAL(2), @@ -1852,22 +2115,20 @@ static struct spear_modemux pcie2_modemux[] = { static struct spear_pingroup pcie2_pingroup = { .name = "pcie2_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = pcie2_modemux, .nmodemuxs = ARRAY_SIZE(pcie2_modemux), }; -static const char *const pci_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp" }; -static struct spear_function pci_function = { - .name = "pci", - .groups = pci_grps, - .ngroups = ARRAY_SIZE(pci_grps), +static const char *const pcie_grps[] = { "pcie0_grp", "pcie1_grp", "pcie2_grp" +}; +static struct spear_function pcie_function = { + .name = "pci_express", + .groups = pcie_grps, + .ngroups = ARRAY_SIZE(pcie_grps), }; /* pad multiplexing for sata0 device */ static struct spear_muxreg sata0_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(0), @@ -1884,15 +2145,12 @@ static struct spear_modemux sata0_modemux[] = { static struct spear_pingroup sata0_pingroup = { .name = "sata0_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata0_modemux, .nmodemuxs = ARRAY_SIZE(sata0_modemux), }; /* pad multiplexing for sata1 device */ static struct spear_muxreg sata1_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(1), @@ -1909,15 +2167,12 @@ static struct spear_modemux sata1_modemux[] = { static struct spear_pingroup sata1_pingroup = { .name = "sata1_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata1_modemux, .nmodemuxs = ARRAY_SIZE(sata1_modemux), }; /* pad multiplexing for sata2 device */ static struct spear_muxreg sata2_muxreg[] = { - PCI_SATA_MUXREG, { .reg = PCIE_SATA_CFG, .mask = SATA_CFG_VAL(2), @@ -1934,8 +2189,6 @@ static struct spear_modemux sata2_modemux[] = { static struct spear_pingroup sata2_pingroup = { .name = "sata2_grp", - .pins = pci_sata_pins, - .npins = ARRAY_SIZE(pci_sata_pins), .modemuxs = sata2_modemux, .nmodemuxs = ARRAY_SIZE(sata2_modemux), }; @@ -1957,6 +2210,14 @@ static struct spear_muxreg ssp1_dis_kbd_muxreg[] = { PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | PMX_NFCE2_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_1, + .mask = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK | + PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | + PMX_NFCE2_MASK, + .val = PMX_KBD_ROWCOL25_MASK | PMX_KBD_COL1_MASK | + PMX_KBD_COL0_MASK | PMX_NFIO8_15_MASK | PMX_NFCE1_MASK | + PMX_NFCE2_MASK, }, }; @@ -1983,6 +2244,12 @@ static struct spear_muxreg ssp1_dis_sd_muxreg[] = { .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | PMX_MCICECF_MASK | PMX_MCICEXD_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | + PMX_MCICECF_MASK | PMX_MCICEXD_MASK, + .val = PMX_MCIADDR0ALE_MASK | PMX_MCIADDR2_MASK | + PMX_MCICECF_MASK | PMX_MCICEXD_MASK, }, }; @@ -2017,6 +2284,12 @@ static struct spear_muxreg gpt64_muxreg[] = { .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK | PMX_MCILEDS_MASK, .val = 0, + }, { + .reg = PAD_DIRECTION_SEL_2, + .mask = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK + | PMX_MCILEDS_MASK, + .val = PMX_MCICDCF1_MASK | PMX_MCICDCF2_MASK | PMX_MCICDXD_MASK + | PMX_MCILEDS_MASK, }, }; @@ -2093,6 +2366,7 @@ static struct spear_pingroup *spear1310_pingroups[] = { &can0_dis_sd_pingroup, &can1_dis_sd_pingroup, &can1_dis_kbd_pingroup, + &pci_pingroup, &pcie0_pingroup, &pcie1_pingroup, &pcie2_pingroup, @@ -2138,6 +2412,7 @@ static struct spear_function *spear1310_functions[] = { &can0_function, &can1_function, &pci_function, + &pcie_function, &sata_function, &ssp1_function, &gpt64_function, diff --git a/drivers/pinctrl/spear/pinctrl-spear1340.c b/drivers/pinctrl/spear/pinctrl-spear1340.c index a0eb057e55b..0606b8cf3f2 100644 --- a/drivers/pinctrl/spear/pinctrl-spear1340.c +++ b/drivers/pinctrl/spear/pinctrl-spear1340.c @@ -213,7 +213,7 @@ static const struct pinctrl_pin_desc spear1340_pins[] = { * Pad multiplexing for making all pads as gpio's. This is done to override the * values passed from bootloader and start from scratch. */ -static const unsigned pads_as_gpio_pins[] = { 251 }; +static const unsigned pads_as_gpio_pins[] = { 12, 88, 89, 251 }; static struct spear_muxreg pads_as_gpio_muxreg[] = { { .reg = PAD_FUNCTION_EN_1, @@ -1692,7 +1692,43 @@ static struct spear_pingroup clcd_pingroup = { .nmodemuxs = ARRAY_SIZE(clcd_modemux), }; -static const char *const clcd_grps[] = { "clcd_grp" }; +/* Disable cld runtime to save panel damage */ +static struct spear_muxreg clcd_sleep_muxreg[] = { + { + .reg = PAD_SHARED_IP_EN_1, + .mask = ARM_TRACE_MASK | MIPHY_DBG_MASK, + .val = 0, + }, { + .reg = PAD_FUNCTION_EN_5, + .mask = CLCD_REG4_MASK | CLCD_AND_ARM_TRACE_REG4_MASK, + .val = 0x0, + }, { + .reg = PAD_FUNCTION_EN_6, + .mask = CLCD_AND_ARM_TRACE_REG5_MASK, + .val = 0x0, + }, { + .reg = PAD_FUNCTION_EN_7, + .mask = CLCD_AND_ARM_TRACE_REG6_MASK, + .val = 0x0, + }, +}; + +static struct spear_modemux clcd_sleep_modemux[] = { + { + .muxregs = clcd_sleep_muxreg, + .nmuxregs = ARRAY_SIZE(clcd_sleep_muxreg), + }, +}; + +static struct spear_pingroup clcd_sleep_pingroup = { + .name = "clcd_sleep_grp", + .pins = clcd_pins, + .npins = ARRAY_SIZE(clcd_pins), + .modemuxs = clcd_sleep_modemux, + .nmodemuxs = ARRAY_SIZE(clcd_sleep_modemux), +}; + +static const char *const clcd_grps[] = { "clcd_grp", "clcd_sleep_grp" }; static struct spear_function clcd_function = { .name = "clcd", .groups = clcd_grps, @@ -1893,6 +1929,7 @@ static struct spear_pingroup *spear1340_pingroups[] = { &sdhci_pingroup, &cf_pingroup, &xd_pingroup, + &clcd_sleep_pingroup, &clcd_pingroup, &arm_trace_pingroup, &miphy_dbg_pingroup, diff --git a/drivers/pinctrl/spear/pinctrl-spear320.c b/drivers/pinctrl/spear/pinctrl-spear320.c index 020b1e0bdb3..ca47b0e5078 100644 --- a/drivers/pinctrl/spear/pinctrl-spear320.c +++ b/drivers/pinctrl/spear/pinctrl-spear320.c @@ -2240,6 +2240,10 @@ static struct spear_muxreg pwm2_pin_34_muxreg[] = { .mask = PMX_SSP_CS_MASK, .val = 0, }, { + .reg = MODE_CONFIG_REG, + .mask = PMX_PWM_MASK, + .val = PMX_PWM_MASK, + }, { .reg = IP_SEL_PAD_30_39_REG, .mask = PMX_PL_34_MASK, .val = PMX_PWM2_PL_34_VAL, @@ -2956,9 +2960,9 @@ static struct spear_function mii2_function = { }; /* Pad multiplexing for cadence mii 1_2 as smii or rmii device */ -static const unsigned smii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, +static const unsigned rmii0_1_pins[] = { 10, 11, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 }; -static const unsigned rmii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 }; +static const unsigned smii0_1_pins[] = { 10, 11, 21, 22, 23, 24, 25, 26, 27 }; static struct spear_muxreg mii0_1_muxreg[] = { { .reg = PMX_CONFIG_REG, diff --git a/drivers/pinctrl/spear/pinctrl-spear3xx.h b/drivers/pinctrl/spear/pinctrl-spear3xx.h index 31f44347f17..7860b36053c 100644 --- a/drivers/pinctrl/spear/pinctrl-spear3xx.h +++ b/drivers/pinctrl/spear/pinctrl-spear3xx.h @@ -15,6 +15,7 @@ #include "pinctrl-spear.h" /* pad mux declarations */ +#define PMX_PWM_MASK (1 << 16) #define PMX_FIRDA_MASK (1 << 14) #define PMX_I2C_MASK (1 << 13) #define PMX_SSP_CS_MASK (1 << 12) diff --git a/drivers/rapidio/rio.c b/drivers/rapidio/rio.c index c17ae22567e..0c6fcb461fa 100644 --- a/drivers/rapidio/rio.c +++ b/drivers/rapidio/rio.c @@ -401,7 +401,7 @@ EXPORT_SYMBOL_GPL(rio_release_inb_pwrite); /** * rio_map_inb_region -- Map inbound memory region. * @mport: Master port. - * @lstart: physical address of memory region to be mapped + * @local: physical address of memory region to be mapped * @rbase: RIO base address assigned to this window * @size: Size of the memory region * @rflags: Flags for mapping. diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 5c4829cba6a..e872c8be080 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1381,22 +1381,14 @@ struct regulator *regulator_get_exclusive(struct device *dev, const char *id) } EXPORT_SYMBOL_GPL(regulator_get_exclusive); -/** - * regulator_put - "free" the regulator source - * @regulator: regulator source - * - * Note: drivers must ensure that all regulator_enable calls made on this - * regulator source are balanced by regulator_disable calls prior to calling - * this function. - */ -void regulator_put(struct regulator *regulator) +/* Locks held by regulator_put() */ +static void _regulator_put(struct regulator *regulator) { struct regulator_dev *rdev; if (regulator == NULL || IS_ERR(regulator)) return; - mutex_lock(®ulator_list_mutex); rdev = regulator->rdev; debugfs_remove_recursive(regulator->debugfs); @@ -1412,6 +1404,20 @@ void regulator_put(struct regulator *regulator) rdev->exclusive = 0; module_put(rdev->owner); +} + +/** + * regulator_put - "free" the regulator source + * @regulator: regulator source + * + * Note: drivers must ensure that all regulator_enable calls made on this + * regulator source are balanced by regulator_disable calls prior to calling + * this function. + */ +void regulator_put(struct regulator *regulator) +{ + mutex_lock(®ulator_list_mutex); + _regulator_put(regulator); mutex_unlock(®ulator_list_mutex); } EXPORT_SYMBOL_GPL(regulator_put); @@ -1974,7 +1980,7 @@ int regulator_is_supported_voltage(struct regulator *regulator, if (!(rdev->constraints->valid_ops_mask & REGULATOR_CHANGE_VOLTAGE)) { ret = regulator_get_voltage(regulator); if (ret >= 0) - return (min_uV >= ret && ret <= max_uV); + return (min_uV <= ret && ret <= max_uV); else return ret; } @@ -3365,7 +3371,7 @@ regulator_register(const struct regulator_desc *regulator_desc, if (ret != 0) { rdev_err(rdev, "Failed to request enable GPIO%d: %d\n", config->ena_gpio, ret); - goto clean; + goto wash; } rdev->ena_gpio = config->ena_gpio; @@ -3445,10 +3451,11 @@ unset_supplies: scrub: if (rdev->supply) - regulator_put(rdev->supply); + _regulator_put(rdev->supply); if (rdev->ena_gpio) gpio_free(rdev->ena_gpio); kfree(rdev->constraints); +wash: device_unregister(&rdev->dev); /* device core frees rdev */ rdev = ERR_PTR(ret); diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 9ffb6d5f17a..4ed343e4eb4 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -44,7 +44,6 @@ #define RAW3215_NR_CCWS 3 #define RAW3215_TIMEOUT HZ/10 /* time for delayed output */ -#define RAW3215_FIXED 1 /* 3215 console device is not be freed */ #define RAW3215_WORKING 4 /* set if a request is being worked on */ #define RAW3215_THROTTLED 8 /* set if reading is disabled */ #define RAW3215_STOPPED 16 /* set if writing is disabled */ @@ -339,8 +338,10 @@ static void raw3215_wakeup(unsigned long data) struct tty_struct *tty; tty = tty_port_tty_get(&raw->port); - tty_wakeup(tty); - tty_kref_put(tty); + if (tty) { + tty_wakeup(tty); + tty_kref_put(tty); + } } /* @@ -629,8 +630,7 @@ static void raw3215_shutdown(struct raw3215_info *raw) DECLARE_WAITQUEUE(wait, current); unsigned long flags; - if (!(raw->port.flags & ASYNC_INITIALIZED) || - (raw->flags & RAW3215_FIXED)) + if (!(raw->port.flags & ASYNC_INITIALIZED)) return; /* Wait for outstanding requests, then free irq */ spin_lock_irqsave(get_ccwdev_lock(raw->cdev), flags); @@ -926,8 +926,6 @@ static int __init con3215_init(void) dev_set_drvdata(&cdev->dev, raw); cdev->handler = raw3215_irq; - raw->flags |= RAW3215_FIXED; - /* Request the console irq */ if (raw3215_startup(raw) != 0) { raw3215_free_info(raw); diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 33bb4d891e1..4af3dfe70ef 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -112,9 +112,6 @@ extern int for_each_subchannel(int(*fn)(struct subchannel_id, void *), void *); extern void css_reiterate_subchannels(void); void css_update_ssd_info(struct subchannel *sch); -#define __MAX_SUBCHANNEL 65535 -#define __MAX_SSID 3 - struct channel_subsystem { u8 cssid; int valid; diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index fc916f5d731..fd3143c291c 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1424,7 +1424,7 @@ static enum io_sch_action sch_get_action(struct subchannel *sch) } if (device_is_disconnected(cdev)) return IO_SCH_REPROBE; - if (cdev->online) + if (cdev->online && !cdev->private->flags.resuming) return IO_SCH_VERIFY; if (cdev->private->state == DEV_STATE_NOT_OPER) return IO_SCH_UNREG_ATTACH; @@ -1469,12 +1469,6 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) rc = 0; goto out_unlock; case IO_SCH_VERIFY: - if (cdev->private->flags.resuming == 1) { - if (cio_enable_subchannel(sch, (u32)(addr_t)sch)) { - ccw_device_set_notoper(cdev); - break; - } - } /* Trigger path verification. */ io_subchannel_verify(sch); rc = 0; diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c index 199bc679117..65d13e38803 100644 --- a/drivers/s390/cio/idset.c +++ b/drivers/s390/cio/idset.c @@ -125,8 +125,7 @@ int idset_is_empty(struct idset *set) void idset_add_set(struct idset *to, struct idset *from) { - int len = min(__BITOPS_WORDS(to->num_ssid * to->num_id), - __BITOPS_WORDS(from->num_ssid * from->num_id)); + int len = min(to->num_ssid * to->num_id, from->num_ssid * from->num_id); bitmap_or(to->bitmap, to->bitmap, from->bitmap, len); } diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 3e25d315045..4d6ba00d004 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -2942,13 +2942,33 @@ static int qeth_query_ipassists_cb(struct qeth_card *card, QETH_DBF_TEXT(SETUP, 2, "qipasscb"); cmd = (struct qeth_ipa_cmd *) data; + + switch (cmd->hdr.return_code) { + case IPA_RC_NOTSUPP: + case IPA_RC_L2_UNSUPPORTED_CMD: + QETH_DBF_TEXT(SETUP, 2, "ipaunsup"); + card->options.ipa4.supported_funcs |= IPA_SETADAPTERPARMS; + card->options.ipa6.supported_funcs |= IPA_SETADAPTERPARMS; + return -0; + default: + if (cmd->hdr.return_code) { + QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Unhandled " + "rc=%d\n", + dev_name(&card->gdev->dev), + cmd->hdr.return_code); + return 0; + } + } + if (cmd->hdr.prot_version == QETH_PROT_IPV4) { card->options.ipa4.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa4.enabled_funcs = cmd->hdr.ipa_enabled; - } else { + } else if (cmd->hdr.prot_version == QETH_PROT_IPV6) { card->options.ipa6.supported_funcs = cmd->hdr.ipa_supported; card->options.ipa6.enabled_funcs = cmd->hdr.ipa_enabled; - } + } else + QETH_DBF_MESSAGE(1, "%s IPA_CMD_QIPASSIST: Flawed LIC detected" + "\n", dev_name(&card->gdev->dev)); QETH_DBF_TEXT(SETUP, 2, "suppenbl"); QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_supported); QETH_DBF_TEXT_(SETUP, 2, "%08x", (__u32)cmd->hdr.ipa_enabled); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index e67e0258aec..fddb62654b6 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -626,10 +626,13 @@ static int qeth_l2_request_initial_mac(struct qeth_card *card) QETH_DBF_TEXT(SETUP, 2, "doL2init"); QETH_DBF_TEXT_(SETUP, 2, "doL2%s", CARD_BUS_ID(card)); - rc = qeth_query_setadapterparms(card); - if (rc) { - QETH_DBF_MESSAGE(2, "could not query adapter parameters on " - "device %s: x%x\n", CARD_BUS_ID(card), rc); + if (qeth_is_supported(card, IPA_SETADAPTERPARMS)) { + rc = qeth_query_setadapterparms(card); + if (rc) { + QETH_DBF_MESSAGE(2, "could not query adapter " + "parameters on device %s: x%x\n", + CARD_BUS_ID(card), rc); + } } if (card->info.type == QETH_CARD_TYPE_IQD || @@ -676,7 +679,7 @@ static int qeth_l2_set_mac_address(struct net_device *dev, void *p) return -ERESTARTSYS; } rc = qeth_l2_send_delmac(card, &card->dev->dev_addr[0]); - if (!rc) + if (!rc || (rc == IPA_RC_L2_MAC_NOT_FOUND)) rc = qeth_l2_send_setmac(card, addr->sa_data); return rc ? -EINVAL : 0; } diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index bd4708a422c..20fd974f903 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -149,6 +149,7 @@ qla2x00_mark_vp_devices_dead(scsi_qla_host_t *vha) int qla24xx_disable_vp(scsi_qla_host_t *vha) { + unsigned long flags; int ret; ret = qla24xx_control_vp(vha, VCE_COMMAND_DISABLE_VPS_LOGO_ALL); @@ -156,7 +157,9 @@ qla24xx_disable_vp(scsi_qla_host_t *vha) atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); /* Remove port id from vp target map */ + spin_lock_irqsave(&vha->hw->vport_slock, flags); qlt_update_vp_map(vha, RESET_AL_PA); + spin_unlock_irqrestore(&vha->hw->vport_slock, flags); qla2x00_mark_vp_devices_dead(vha); atomic_set(&vha->vp_state, VP_FAILED); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 0e09d8f433d..62aa5584f64 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -557,6 +557,7 @@ static bool qlt_check_fcport_exist(struct scsi_qla_host *vha, int pmap_len; fc_port_t *fcport; int global_resets; + unsigned long flags; retry: global_resets = atomic_read(&ha->tgt.qla_tgt->tgt_global_resets_count); @@ -625,10 +626,10 @@ retry: sess->s_id.b.area, sess->loop_id, fcport->d_id.b.domain, fcport->d_id.b.al_pa, fcport->d_id.b.area, fcport->loop_id); - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + spin_lock_irqsave(&ha->hardware_lock, flags); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); + spin_unlock_irqrestore(&ha->hardware_lock, flags); res = true; @@ -740,10 +741,9 @@ static struct qla_tgt_sess *qlt_create_sess( qlt_undelete_sess(sess); kref_get(&sess->se_sess->sess_kref); - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); + if (sess->local && !local) sess->local = 0; spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -796,8 +796,7 @@ static struct qla_tgt_sess *qlt_create_sess( */ kref_get(&sess->se_sess->sess_kref); - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + sess->conf_compl_supported = (fcport->flags & FCF_CONF_COMP_SUPPORTED); BUILD_BUG_ON(sizeof(sess->port_name) != sizeof(fcport->port_name)); memcpy(sess->port_name, fcport->port_name, sizeof(sess->port_name)); @@ -869,10 +868,8 @@ void qlt_fc_port_added(struct scsi_qla_host *vha, fc_port_t *fcport) ql_dbg(ql_dbg_tgt_mgt, vha, 0xf007, "Reappeared sess %p\n", sess); } - sess->s_id = fcport->d_id; - sess->loop_id = fcport->loop_id; - sess->conf_compl_supported = !!(fcport->flags & - FCF_CONF_COMP_SUPPORTED); + ha->tgt.tgt_ops->update_sess(sess, fcport->d_id, fcport->loop_id, + (fcport->flags & FCF_CONF_COMP_SUPPORTED)); } if (sess && sess->local) { diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 170af157121..bad749561ec 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -648,6 +648,7 @@ struct qla_tgt_func_tmpl { int (*check_initiator_node_acl)(struct scsi_qla_host *, unsigned char *, void *, uint8_t *, uint16_t); + void (*update_sess)(struct qla_tgt_sess *, port_id_t, uint16_t, bool); struct qla_tgt_sess *(*find_sess_by_loop_id)(struct scsi_qla_host *, const uint16_t); struct qla_tgt_sess *(*find_sess_by_s_id)(struct scsi_qla_host *, diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 2358c16c4c8..3d74f2f39ae 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -237,7 +237,7 @@ static char *tcm_qla2xxx_get_fabric_wwn(struct se_portal_group *se_tpg) struct tcm_qla2xxx_tpg, se_tpg); struct tcm_qla2xxx_lport *lport = tpg->lport; - return &lport->lport_name[0]; + return lport->lport_naa_name; } static char *tcm_qla2xxx_npiv_get_fabric_wwn(struct se_portal_group *se_tpg) @@ -1457,6 +1457,78 @@ static int tcm_qla2xxx_check_initiator_node_acl( return 0; } +static void tcm_qla2xxx_update_sess(struct qla_tgt_sess *sess, port_id_t s_id, + uint16_t loop_id, bool conf_compl_supported) +{ + struct qla_tgt *tgt = sess->tgt; + struct qla_hw_data *ha = tgt->ha; + struct tcm_qla2xxx_lport *lport = ha->tgt.target_lport_ptr; + struct se_node_acl *se_nacl = sess->se_sess->se_node_acl; + struct tcm_qla2xxx_nacl *nacl = container_of(se_nacl, + struct tcm_qla2xxx_nacl, se_node_acl); + u32 key; + + + if (sess->loop_id != loop_id || sess->s_id.b24 != s_id.b24) + pr_info("Updating session %p from port %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x loop_id %d -> %d s_id %x:%x:%x -> %x:%x:%x\n", + sess, + sess->port_name[0], sess->port_name[1], + sess->port_name[2], sess->port_name[3], + sess->port_name[4], sess->port_name[5], + sess->port_name[6], sess->port_name[7], + sess->loop_id, loop_id, + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa, + s_id.b.domain, s_id.b.area, s_id.b.al_pa); + + if (sess->loop_id != loop_id) { + /* + * Because we can shuffle loop IDs around and we + * update different sessions non-atomically, we might + * have overwritten this session's old loop ID + * already, and we might end up overwriting some other + * session that will be updated later. So we have to + * be extra careful and we can't warn about those things... + */ + if (lport->lport_loopid_map[sess->loop_id].se_nacl == se_nacl) + lport->lport_loopid_map[sess->loop_id].se_nacl = NULL; + + lport->lport_loopid_map[loop_id].se_nacl = se_nacl; + + sess->loop_id = loop_id; + } + + if (sess->s_id.b24 != s_id.b24) { + key = (((u32) sess->s_id.b.domain << 16) | + ((u32) sess->s_id.b.area << 8) | + ((u32) sess->s_id.b.al_pa)); + + if (btree_lookup32(&lport->lport_fcport_map, key)) + WARN(btree_remove32(&lport->lport_fcport_map, key) != se_nacl, + "Found wrong se_nacl when updating s_id %x:%x:%x\n", + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa); + else + WARN(1, "No lport_fcport_map entry for s_id %x:%x:%x\n", + sess->s_id.b.domain, sess->s_id.b.area, sess->s_id.b.al_pa); + + key = (((u32) s_id.b.domain << 16) | + ((u32) s_id.b.area << 8) | + ((u32) s_id.b.al_pa)); + + if (btree_lookup32(&lport->lport_fcport_map, key)) { + WARN(1, "Already have lport_fcport_map entry for s_id %x:%x:%x\n", + s_id.b.domain, s_id.b.area, s_id.b.al_pa); + btree_update32(&lport->lport_fcport_map, key, se_nacl); + } else { + btree_insert32(&lport->lport_fcport_map, key, se_nacl, GFP_ATOMIC); + } + + sess->s_id = s_id; + nacl->nport_id = key; + } + + sess->conf_compl_supported = conf_compl_supported; +} + /* * Calls into tcm_qla2xxx used by qla2xxx LLD I/O path. */ @@ -1467,6 +1539,7 @@ static struct qla_tgt_func_tmpl tcm_qla2xxx_template = { .free_cmd = tcm_qla2xxx_free_cmd, .free_mcmd = tcm_qla2xxx_free_mcmd, .free_session = tcm_qla2xxx_free_session, + .update_sess = tcm_qla2xxx_update_sess, .check_initiator_node_acl = tcm_qla2xxx_check_initiator_node_acl, .find_sess_by_s_id = tcm_qla2xxx_find_sess_by_s_id, .find_sess_by_loop_id = tcm_qla2xxx_find_sess_by_loop_id, @@ -1534,6 +1607,7 @@ static struct se_wwn *tcm_qla2xxx_make_lport( lport->lport_wwpn = wwpn; tcm_qla2xxx_format_wwn(&lport->lport_name[0], TCM_QLA2XXX_NAMELEN, wwpn); + sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) wwpn); ret = tcm_qla2xxx_init_lport(lport); if (ret != 0) @@ -1601,6 +1675,7 @@ static struct se_wwn *tcm_qla2xxx_npiv_make_lport( lport->lport_npiv_wwnn = npiv_wwnn; tcm_qla2xxx_npiv_format_wwn(&lport->lport_npiv_name[0], TCM_QLA2XXX_NAMELEN, npiv_wwpn, npiv_wwnn); + sprintf(lport->lport_naa_name, "naa.%016llx", (unsigned long long) npiv_wwpn); /* FIXME: tcm_qla2xxx_npiv_make_lport */ ret = -ENOSYS; diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.h b/drivers/scsi/qla2xxx/tcm_qla2xxx.h index 82549810335..9ba075fe978 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.h +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.h @@ -61,6 +61,8 @@ struct tcm_qla2xxx_lport { u64 lport_npiv_wwnn; /* ASCII formatted WWPN for FC Target Lport */ char lport_name[TCM_QLA2XXX_NAMELEN]; + /* ASCII formatted naa WWPN for VPD page 83 etc */ + char lport_naa_name[TCM_QLA2XXX_NAMELEN]; /* ASCII formatted WWPN+WWNN for NPIV FC Target Lport */ char lport_npiv_name[TCM_QLA2XXX_NPIV_NAMELEN]; /* map for fc_port pointers in 24-bit FC Port ID space */ diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index b191dd54920..71fddbc60f1 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -1294,26 +1294,19 @@ static struct scsi_host_template qpti_template = { static const struct of_device_id qpti_match[]; static int __devinit qpti_sbus_probe(struct platform_device *op) { - const struct of_device_id *match; - struct scsi_host_template *tpnt; struct device_node *dp = op->dev.of_node; struct Scsi_Host *host; struct qlogicpti *qpti; static int nqptis; const char *fcode; - match = of_match_device(qpti_match, &op->dev); - if (!match) - return -EINVAL; - tpnt = match->data; - /* Sometimes Antares cards come up not completely * setup, and we get a report of a zero IRQ. */ if (op->archdata.irqs[0] == 0) return -ENODEV; - host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti)); + host = scsi_host_alloc(&qpti_template, sizeof(struct qlogicpti)); if (!host) return -ENOMEM; @@ -1445,19 +1438,15 @@ static int __devexit qpti_sbus_remove(struct platform_device *op) static const struct of_device_id qpti_match[] = { { .name = "ptisp", - .data = &qpti_template, }, { .name = "PTI,ptisp", - .data = &qpti_template, }, { .name = "QLGC,isp", - .data = &qpti_template, }, { .name = "SUNW,isp", - .data = &qpti_template, }, {}, }; diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h index f2ffd963f1c..d0cafd63719 100644 --- a/drivers/staging/android/android_alarm.h +++ b/drivers/staging/android/android_alarm.h @@ -51,12 +51,10 @@ enum android_alarm_return_flags { #define ANDROID_ALARM_WAIT _IO('a', 1) #define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size) -#define ALARM_IOR(c, type, size) _IOR('a', (c) | ((type) << 4), size) - /* Set alarm */ #define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec) #define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec) -#define ANDROID_ALARM_GET_TIME(type) ALARM_IOR(4, type, struct timespec) +#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec) #define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec) #define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0))) #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index d6ce2182e67..035c2c76253 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -3719,7 +3719,9 @@ restart: */ iscsit_thread_check_cpumask(conn, current, 1); - schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT); + wait_event_interruptible(conn->queues_wq, + !iscsit_conn_all_queues_empty(conn) || + ts->status == ISCSI_THREAD_SET_RESET); if ((ts->status == ISCSI_THREAD_SET_RESET) || signal_pending(current)) diff --git a/drivers/target/iscsi/iscsi_target_core.h b/drivers/target/iscsi/iscsi_target_core.h index 2ba9f9b9435..21048dbf7d1 100644 --- a/drivers/target/iscsi/iscsi_target_core.h +++ b/drivers/target/iscsi/iscsi_target_core.h @@ -486,6 +486,7 @@ struct iscsi_tmr_req { }; struct iscsi_conn { + wait_queue_head_t queues_wq; /* Authentication Successful for this connection */ u8 auth_complete; /* State connection is currently in */ diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index cdc8a10939c..f8dbec05d5e 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -41,6 +41,7 @@ static int iscsi_login_init_conn(struct iscsi_conn *conn) { + init_waitqueue_head(&conn->queues_wq); INIT_LIST_HEAD(&conn->conn_list); INIT_LIST_HEAD(&conn->conn_cmd_list); INIT_LIST_HEAD(&conn->immed_queue_list); diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index afd98ccd40a..1a91195ab61 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -488,7 +488,7 @@ void iscsit_add_cmd_to_immediate_queue( atomic_set(&conn->check_immediate_queue, 1); spin_unlock_bh(&conn->immed_queue_lock); - wake_up_process(conn->thread_set->tx_thread); + wake_up(&conn->queues_wq); } struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *conn) @@ -562,7 +562,7 @@ void iscsit_add_cmd_to_response_queue( atomic_inc(&cmd->response_queue_count); spin_unlock_bh(&conn->response_queue_lock); - wake_up_process(conn->thread_set->tx_thread); + wake_up(&conn->queues_wq); } struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn) @@ -616,6 +616,24 @@ static void iscsit_remove_cmd_from_response_queue( } } +bool iscsit_conn_all_queues_empty(struct iscsi_conn *conn) +{ + bool empty; + + spin_lock_bh(&conn->immed_queue_lock); + empty = list_empty(&conn->immed_queue_list); + spin_unlock_bh(&conn->immed_queue_lock); + + if (!empty) + return empty; + + spin_lock_bh(&conn->response_queue_lock); + empty = list_empty(&conn->response_queue_list); + spin_unlock_bh(&conn->response_queue_lock); + + return empty; +} + void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *conn) { struct iscsi_queue_req *qr, *qr_tmp; diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 44054bd3543..894d0f83792 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -25,6 +25,7 @@ extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_ extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *); extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *); +extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); extern void iscsit_free_queue_reqs_for_conn(struct iscsi_conn *); extern void iscsit_release_cmd(struct iscsi_cmd *); extern void iscsit_free_cmd(struct iscsi_cmd *); diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 015f5be27bf..c123327499a 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -3206,7 +3206,8 @@ static int __init target_core_init_configfs(void) if (ret < 0) goto out; - if (core_dev_setup_virtual_lun0() < 0) + ret = core_dev_setup_virtual_lun0(); + if (ret < 0) goto out; return 0; diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 8d774da1632..9abef9f8eb7 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -850,20 +850,20 @@ int se_dev_check_shutdown(struct se_device *dev) static u32 se_dev_align_max_sectors(u32 max_sectors, u32 block_size) { - u32 tmp, aligned_max_sectors; + u32 aligned_max_sectors; + u32 alignment; /* * Limit max_sectors to a PAGE_SIZE aligned value for modern * transport_allocate_data_tasks() operation. */ - tmp = rounddown((max_sectors * block_size), PAGE_SIZE); - aligned_max_sectors = (tmp / block_size); - if (max_sectors != aligned_max_sectors) { - printk(KERN_INFO "Rounding down aligned max_sectors from %u" - " to %u\n", max_sectors, aligned_max_sectors); - return aligned_max_sectors; - } + alignment = max(1ul, PAGE_SIZE / block_size); + aligned_max_sectors = rounddown(max_sectors, alignment); + + if (max_sectors != aligned_max_sectors) + pr_info("Rounding down aligned max_sectors from %u to %u\n", + max_sectors, aligned_max_sectors); - return max_sectors; + return aligned_max_sectors; } void se_dev_set_default_attribs( diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 868f8aa04f1..a6e27d967c7 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -135,6 +135,12 @@ static int sbc_emulate_verify(struct se_cmd *cmd) return 0; } +static int sbc_emulate_noop(struct se_cmd *cmd) +{ + target_complete_cmd(cmd, GOOD); + return 0; +} + static inline u32 sbc_get_size(struct se_cmd *cmd, u32 sectors) { return cmd->se_dev->se_sub_dev->se_dev_attrib.block_size * sectors; @@ -531,6 +537,18 @@ int sbc_parse_cdb(struct se_cmd *cmd, struct spc_ops *ops) size = 0; cmd->execute_cmd = sbc_emulate_verify; break; + case REZERO_UNIT: + case SEEK_6: + case SEEK_10: + /* + * There are still clients out there which use these old SCSI-2 + * commands. This mainly happens when running VMs with legacy + * guest systems, connected via SCSI command pass-through to + * iSCSI targets. Make them happy and return status GOOD. + */ + size = 0; + cmd->execute_cmd = sbc_emulate_noop; + break; default: ret = spc_parse_cdb(cmd, &size); if (ret) diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 9229bd9ad61..6fd434d3d7e 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -605,6 +605,8 @@ static int spc_emulate_inquiry(struct se_cmd *cmd) unsigned char buf[SE_INQUIRY_BUF]; int p, ret; + memset(buf, 0, SE_INQUIRY_BUF); + if (dev == tpg->tpg_virt_lun0.lun_se_dev) buf[0] = 0x3f; /* Not connected */ else diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c index 1c59a3c23b2..be75c4331a9 100644 --- a/drivers/target/target_core_tmr.c +++ b/drivers/target/target_core_tmr.c @@ -140,15 +140,15 @@ void core_tmr_abort_task( printk("ABORT_TASK: Found referenced %s task_tag: %u\n", se_cmd->se_tfo->get_fabric_name(), ref_tag); - spin_lock_irq(&se_cmd->t_state_lock); + spin_lock(&se_cmd->t_state_lock); if (se_cmd->transport_state & CMD_T_COMPLETE) { printk("ABORT_TASK: ref_tag: %u already complete, skipping\n", ref_tag); - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); spin_unlock_irqrestore(&se_sess->sess_cmd_lock, flags); goto out; } se_cmd->transport_state |= CMD_T_ABORTED; - spin_unlock_irq(&se_cmd->t_state_lock); + spin_unlock(&se_cmd->t_state_lock); list_del_init(&se_cmd->se_cmd_list); kref_get(&se_cmd->cmd_kref); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index c33baff86aa..9097155e9eb 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1616,7 +1616,6 @@ static void target_complete_tmr_failure(struct work_struct *work) se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST; se_cmd->se_tfo->queue_tm_rsp(se_cmd); - transport_generic_free_cmd(se_cmd, 0); } /** diff --git a/drivers/thermal/exynos_thermal.c b/drivers/thermal/exynos_thermal.c index fd03e8581af..6dd29e4ce36 100644 --- a/drivers/thermal/exynos_thermal.c +++ b/drivers/thermal/exynos_thermal.c @@ -815,7 +815,7 @@ static struct platform_device_id exynos_tmu_driver_ids[] = { }, { }, }; -MODULE_DEVICE_TABLE(platform, exynos4_tmu_driver_ids); +MODULE_DEVICE_TABLE(platform, exynos_tmu_driver_ids); static inline struct exynos_tmu_platform_data *exynos_get_driver_data( struct platform_device *pdev) diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index d4452716aaa..f7a1b574a30 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -210,7 +210,7 @@ static int rcar_thermal_probe(struct platform_device *pdev) goto error_free_priv; } - zone = thermal_zone_device_register("rcar_thermal", 0, priv, + zone = thermal_zone_device_register("rcar_thermal", 0, 0, priv, &rcar_thermal_zone_ops, 0, 0); if (IS_ERR(zone)) { dev_err(&pdev->dev, "thermal zone device is NULL\n"); diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c index a5dec1ca1b8..13ee53bd0bf 100644 --- a/drivers/tty/hvc/hvc_console.c +++ b/drivers/tty/hvc/hvc_console.c @@ -424,7 +424,6 @@ static void hvc_hangup(struct tty_struct *tty) { struct hvc_struct *hp = tty->driver_data; unsigned long flags; - int temp_open_count; if (!hp) return; @@ -444,7 +443,6 @@ static void hvc_hangup(struct tty_struct *tty) return; } - temp_open_count = hp->port.count; hp->port.count = 0; spin_unlock_irqrestore(&hp->port.lock, flags); tty_port_tty_set(&hp->port, NULL); @@ -453,11 +451,6 @@ static void hvc_hangup(struct tty_struct *tty) if (hp->ops->notifier_hangup) hp->ops->notifier_hangup(hp, hp->data); - - while(temp_open_count) { - --temp_open_count; - tty_port_put(&hp->port); - } } /* diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 2bc28a59d38..1ab1d2c66de 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -1239,6 +1239,7 @@ static int __devexit max310x_remove(struct spi_device *spi) static const struct spi_device_id max310x_id_table[] = { { "max3107", MAX310X_TYPE_MAX3107 }, { "max3108", MAX310X_TYPE_MAX3108 }, + { } }; MODULE_DEVICE_TABLE(spi, max310x_id_table); diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 1e741bca026..f034716190f 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2151,8 +2151,15 @@ EXPORT_SYMBOL_GPL(usb_bus_start_enum); irqreturn_t usb_hcd_irq (int irq, void *__hcd) { struct usb_hcd *hcd = __hcd; + unsigned long flags; irqreturn_t rc; + /* IRQF_DISABLED doesn't work correctly with shared IRQs + * when the first handler doesn't use it. So let's just + * assume it's never used. + */ + local_irq_save(flags); + if (unlikely(HCD_DEAD(hcd) || !HCD_HW_ACCESSIBLE(hcd))) rc = IRQ_NONE; else if (hcd->driver->irq(hcd) == IRQ_NONE) @@ -2160,6 +2167,7 @@ irqreturn_t usb_hcd_irq (int irq, void *__hcd) else rc = IRQ_HANDLED; + local_irq_restore(flags); return rc; } EXPORT_SYMBOL_GPL(usb_hcd_irq); @@ -2347,6 +2355,14 @@ static int usb_hcd_request_irqs(struct usb_hcd *hcd, int retval; if (hcd->driver->irq) { + + /* IRQF_DISABLED doesn't work as advertised when used together + * with IRQF_SHARED. As usb_hcd_irq() will always disable + * interrupts we can remove it here. + */ + if (irqflags & IRQF_SHARED) + irqflags &= ~IRQF_DISABLED; + snprintf(hcd->irq_descr, sizeof(hcd->irq_descr), "%s:usb%d", hcd->driver->description, hcd->self.busnum); retval = request_irq(irqnum, &usb_hcd_irq, irqflags, diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c index e426ad626d7..4bfa78af379 100644 --- a/drivers/usb/early/ehci-dbgp.c +++ b/drivers/usb/early/ehci-dbgp.c @@ -20,6 +20,7 @@ #include <linux/usb/ehci_def.h> #include <linux/delay.h> #include <linux/serial_core.h> +#include <linux/kconfig.h> #include <linux/kgdb.h> #include <linux/kthread.h> #include <asm/io.h> @@ -614,12 +615,6 @@ err: return -ENODEV; } -int dbgp_external_startup(struct usb_hcd *hcd) -{ - return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup(); -} -EXPORT_SYMBOL_GPL(dbgp_external_startup); - static int ehci_reset_port(int port) { u32 portsc; @@ -979,6 +974,7 @@ struct console early_dbgp_console = { .index = -1, }; +#if IS_ENABLED(CONFIG_USB_EHCI_HCD) int dbgp_reset_prep(struct usb_hcd *hcd) { int ret = xen_dbgp_reset_prep(hcd); @@ -1007,6 +1003,13 @@ int dbgp_reset_prep(struct usb_hcd *hcd) } EXPORT_SYMBOL_GPL(dbgp_reset_prep); +int dbgp_external_startup(struct usb_hcd *hcd) +{ + return xen_dbgp_external_startup(hcd) ?: _dbgp_external_startup(); +} +EXPORT_SYMBOL_GPL(dbgp_external_startup); +#endif /* USB_EHCI_HCD */ + #ifdef CONFIG_KGDB static char kgdbdbgp_buf[DBGP_MAX_PACKET]; diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 6458764994e..4ec3c0d7a18 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -20,6 +20,7 @@ #include <linux/ctype.h> #include <linux/etherdevice.h> #include <linux/ethtool.h> +#include <linux/if_vlan.h> #include "u_ether.h" @@ -295,7 +296,7 @@ static void rx_complete(struct usb_ep *ep, struct usb_request *req) while (skb2) { if (status < 0 || ETH_HLEN > skb2->len - || skb2->len > ETH_FRAME_LEN) { + || skb2->len > VLAN_ETH_FRAME_LEN) { dev->net->stats.rx_errors++; dev->net->stats.rx_length_errors++; DBG(dev, "rx length %d\n", skb2->len); diff --git a/drivers/usb/host/ehci-ls1x.c b/drivers/usb/host/ehci-ls1x.c index ca759652626..aa0f328922d 100644 --- a/drivers/usb/host/ehci-ls1x.c +++ b/drivers/usb/host/ehci-ls1x.c @@ -113,7 +113,7 @@ static int ehci_hcd_ls1x_probe(struct platform_device *pdev) goto err_put_hcd; } - ret = usb_add_hcd(hcd, irq, IRQF_SHARED); + ret = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (ret) goto err_put_hcd; diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c index 84201cd1a47..41e378f17c6 100644 --- a/drivers/usb/host/ohci-xls.c +++ b/drivers/usb/host/ohci-xls.c @@ -56,7 +56,7 @@ static int ohci_xls_probe_internal(const struct hc_driver *driver, goto err3; } - retval = usb_add_hcd(hcd, irq, IRQF_SHARED); + retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED); if (retval != 0) goto err4; return retval; diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index d0b87e7b4ab..b6b84dacc79 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -707,11 +707,12 @@ static void rxstate(struct musb *musb, struct musb_request *req) fifo_count = musb_readw(epio, MUSB_RXCOUNT); /* - * use mode 1 only if we expect data of at least ep packet_sz - * and have not yet received a short packet + * Enable Mode 1 on RX transfers only when short_not_ok flag + * is set. Currently short_not_ok flag is set only from + * file_storage and f_mass_storage drivers */ - if ((request->length - request->actual >= musb_ep->packet_sz) && - (fifo_count >= musb_ep->packet_sz)) + + if (request->short_not_ok && fifo_count == musb_ep->packet_sz) use_mode_1 = 1; else use_mode_1 = 0; @@ -727,6 +728,27 @@ static void rxstate(struct musb *musb, struct musb_request *req) c = musb->dma_controller; channel = musb_ep->dma; + /* We use DMA Req mode 0 in rx_csr, and DMA controller operates in + * mode 0 only. So we do not get endpoint interrupts due to DMA + * completion. We only get interrupts from DMA controller. + * + * We could operate in DMA mode 1 if we knew the size of the tranfer + * in advance. For mass storage class, request->length = what the host + * sends, so that'd work. But for pretty much everything else, + * request->length is routinely more than what the host sends. For + * most these gadgets, end of is signified either by a short packet, + * or filling the last byte of the buffer. (Sending extra data in + * that last pckate should trigger an overflow fault.) But in mode 1, + * we don't get DMA completion interrupt for short packets. + * + * Theoretically, we could enable DMAReq irq (MUSB_RXCSR_DMAMODE = 1), + * to get endpoint interrupt on every DMA req, but that didn't seem + * to work reliably. + * + * REVISIT an updated g_file_storage can set req->short_not_ok, which + * then becomes usable as a runtime "use mode 1" hint... + */ + /* Experimental: Mode1 works with mass storage use cases */ if (use_mode_1) { csr |= MUSB_RXCSR_AUTOCLEAR; diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c index d62a91fedc2..0e62f504410 100644 --- a/drivers/usb/musb/ux500.c +++ b/drivers/usb/musb/ux500.c @@ -65,7 +65,7 @@ static int __devinit ux500_probe(struct platform_device *pdev) struct platform_device *musb; struct ux500_glue *glue; struct clk *clk; - + int musbid; int ret = -ENOMEM; glue = kzalloc(sizeof(*glue), GFP_KERNEL); diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index d8c8a42bff3..6223062d5d1 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -58,7 +58,7 @@ config USB_ULPI_VIEWPORT config TWL4030_USB tristate "TWL4030 USB Transceiver Driver" - depends on TWL4030_CORE && REGULATOR_TWL4030 + depends on TWL4030_CORE && REGULATOR_TWL4030 && USB_MUSB_OMAP2PLUS select USB_OTG_UTILS help Enable this to support the USB OTG transceiver on TWL4030 @@ -68,7 +68,7 @@ config TWL4030_USB config TWL6030_USB tristate "TWL6030 USB Transceiver Driver" - depends on TWL4030_CORE && OMAP_USB2 + depends on TWL4030_CORE && OMAP_USB2 && USB_MUSB_OMAP2PLUS select USB_OTG_UTILS help Enable this to support the USB OTG transceiver on TWL6030 diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index 7179b0c5f81..cff8dd5b462 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2430,7 +2430,7 @@ static void keyspan_release(struct usb_serial *serial) static int keyspan_port_probe(struct usb_serial_port *port) { struct usb_serial *serial = port->serial; - struct keyspan_port_private *s_priv; + struct keyspan_serial_private *s_priv; struct keyspan_port_private *p_priv; const struct keyspan_device_details *d_details; struct callbacks *cback; @@ -2445,7 +2445,6 @@ static int keyspan_port_probe(struct usb_serial_port *port) if (!p_priv) return -ENOMEM; - s_priv = usb_get_serial_data(port->serial); p_priv->device_details = d_details; /* Setup values for the various callback routines */ diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5dee7d61241..edc64bb6f45 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -158,6 +158,7 @@ static void option_instat_callback(struct urb *urb); #define NOVATELWIRELESS_PRODUCT_EVDO_EMBEDDED_HIGHSPEED 0x8001 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_FULLSPEED 0x9000 #define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001 +#define NOVATELWIRELESS_PRODUCT_E362 0x9010 #define NOVATELWIRELESS_PRODUCT_G1 0xA001 #define NOVATELWIRELESS_PRODUCT_G1_M 0xA002 #define NOVATELWIRELESS_PRODUCT_G2 0xA010 @@ -193,6 +194,9 @@ static void option_instat_callback(struct urb *urb); #define DELL_PRODUCT_5730_MINICARD_TELUS 0x8181 #define DELL_PRODUCT_5730_MINICARD_VZW 0x8182 +#define DELL_PRODUCT_5800_MINICARD_VZW 0x8195 /* Novatel E362 */ +#define DELL_PRODUCT_5800_V2_MINICARD_VZW 0x8196 /* Novatel E362 */ + #define KYOCERA_VENDOR_ID 0x0c88 #define KYOCERA_PRODUCT_KPC650 0x17da #define KYOCERA_PRODUCT_KPC680 0x180a @@ -283,6 +287,7 @@ static void option_instat_callback(struct urb *urb); /* ALCATEL PRODUCTS */ #define ALCATEL_VENDOR_ID 0x1bbb #define ALCATEL_PRODUCT_X060S_X200 0x0000 +#define ALCATEL_PRODUCT_X220_X500D 0x0017 #define PIRELLI_VENDOR_ID 0x1266 #define PIRELLI_PRODUCT_C100_1 0x1002 @@ -706,6 +711,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_G2) }, /* Novatel Ovation MC551 a.k.a. Verizon USB551L */ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) }, { USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) }, @@ -728,6 +734,8 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_SPRINT) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_TELUS) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ { USB_DEVICE(DELL_VENDOR_ID, DELL_PRODUCT_5730_MINICARD_VZW) }, /* Dell Wireless 5730 Mobile Broadband EVDO/HSPA Mini-Card */ + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_MINICARD_VZW, 0xff, 0xff, 0xff) }, + { USB_DEVICE_AND_INTERFACE_INFO(DELL_VENDOR_ID, DELL_PRODUCT_5800_V2_MINICARD_VZW, 0xff, 0xff, 0xff) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_E100A) }, /* ADU-E100, ADU-310 */ { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_500A) }, { USB_DEVICE(ANYDATA_VENDOR_ID, ANYDATA_PRODUCT_ADU_620UW) }, @@ -1157,6 +1165,7 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S_X200), .driver_info = (kernel_ulong_t)&alcatel_x200_blacklist }, + { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X220_X500D) }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c index 61a73ad1a18..a3e9c095f0d 100644 --- a/drivers/usb/serial/usb_wwan.c +++ b/drivers/usb/serial/usb_wwan.c @@ -455,9 +455,6 @@ static struct urb *usb_wwan_setup_urb(struct usb_serial_port *port, struct usb_serial *serial = port->serial; struct urb *urb; - if (endpoint == -1) - return NULL; /* endpoint not needed */ - urb = usb_alloc_urb(0, GFP_KERNEL); /* No ISO */ if (urb == NULL) { dev_dbg(&serial->interface->dev, @@ -489,6 +486,9 @@ int usb_wwan_port_probe(struct usb_serial_port *port) init_usb_anchor(&portdata->delayed); for (i = 0; i < N_IN_URB; i++) { + if (!port->bulk_in_size) + break; + buffer = (u8 *)__get_free_page(GFP_KERNEL); if (!buffer) goto bail_out_error; @@ -502,8 +502,8 @@ int usb_wwan_port_probe(struct usb_serial_port *port) } for (i = 0; i < N_OUT_URB; i++) { - if (port->bulk_out_endpointAddress == -1) - continue; + if (!port->bulk_out_size) + break; buffer = kmalloc(OUT_BUFLEN, GFP_KERNEL); if (!buffer) diff --git a/drivers/video/xen-fbfront.c b/drivers/video/xen-fbfront.c index b7f5173ff9e..917bb568168 100644 --- a/drivers/video/xen-fbfront.c +++ b/drivers/video/xen-fbfront.c @@ -641,7 +641,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev, case XenbusStateReconfiguring: case XenbusStateReconfigured: case XenbusStateUnknown: - case XenbusStateClosed: break; case XenbusStateInitWait: @@ -670,6 +669,10 @@ InitWait: info->feature_resize = val; break; + case XenbusStateClosed: + if (dev->state == XenbusStateClosed) + break; + /* Missed the backend's CLOSING state -- fallthrough */ case XenbusStateClosing: xenbus_frontend_closed(dev); break; diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 1e8659ca27e..809b0de59c0 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -225,8 +225,10 @@ EXPORT_SYMBOL_GPL(register_virtio_device); void unregister_virtio_device(struct virtio_device *dev) { + int index = dev->index; /* save for after device release */ + device_unregister(&dev->dev); - ida_simple_remove(&virtio_index_ida, dev->index); + ida_simple_remove(&virtio_index_ida, index); } EXPORT_SYMBOL_GPL(unregister_virtio_device); diff --git a/drivers/xen/Makefile b/drivers/xen/Makefile index 0e863703545..74354708c6c 100644 --- a/drivers/xen/Makefile +++ b/drivers/xen/Makefile @@ -2,6 +2,7 @@ ifneq ($(CONFIG_ARM),y) obj-y += manage.o balloon.o obj-$(CONFIG_HOTPLUG_CPU) += cpu_hotplug.o endif +obj-$(CONFIG_X86) += fallback.o obj-y += grant-table.o features.o events.o obj-y += xenbus/ diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 912ac81b6db..0be4df39e95 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -1395,10 +1395,10 @@ void xen_evtchn_do_upcall(struct pt_regs *regs) { struct pt_regs *old_regs = set_irq_regs(regs); + irq_enter(); #ifdef CONFIG_X86 exit_idle(); #endif - irq_enter(); __xen_evtchn_do_upcall(); diff --git a/drivers/xen/fallback.c b/drivers/xen/fallback.c new file mode 100644 index 00000000000..0ef7c4d40f8 --- /dev/null +++ b/drivers/xen/fallback.c @@ -0,0 +1,80 @@ +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/bug.h> +#include <linux/export.h> +#include <asm/hypervisor.h> +#include <asm/xen/hypercall.h> + +int xen_event_channel_op_compat(int cmd, void *arg) +{ + struct evtchn_op op; + int rc; + + op.cmd = cmd; + memcpy(&op.u, arg, sizeof(op.u)); + rc = _hypercall1(int, event_channel_op_compat, &op); + + switch (cmd) { + case EVTCHNOP_close: + case EVTCHNOP_send: + case EVTCHNOP_bind_vcpu: + case EVTCHNOP_unmask: + /* no output */ + break; + +#define COPY_BACK(eop) \ + case EVTCHNOP_##eop: \ + memcpy(arg, &op.u.eop, sizeof(op.u.eop)); \ + break + + COPY_BACK(bind_interdomain); + COPY_BACK(bind_virq); + COPY_BACK(bind_pirq); + COPY_BACK(status); + COPY_BACK(alloc_unbound); + COPY_BACK(bind_ipi); +#undef COPY_BACK + + default: + WARN_ON(rc != -ENOSYS); + break; + } + + return rc; +} +EXPORT_SYMBOL_GPL(xen_event_channel_op_compat); + +int HYPERVISOR_physdev_op_compat(int cmd, void *arg) +{ + struct physdev_op op; + int rc; + + op.cmd = cmd; + memcpy(&op.u, arg, sizeof(op.u)); + rc = _hypercall1(int, physdev_op_compat, &op); + + switch (cmd) { + case PHYSDEVOP_IRQ_UNMASK_NOTIFY: + case PHYSDEVOP_set_iopl: + case PHYSDEVOP_set_iobitmap: + case PHYSDEVOP_apic_write: + /* no output */ + break; + +#define COPY_BACK(pop, fld) \ + case PHYSDEVOP_##pop: \ + memcpy(arg, &op.u.fld, sizeof(op.u.fld)); \ + break + + COPY_BACK(irq_status_query, irq_status_query); + COPY_BACK(apic_read, apic_op); + COPY_BACK(ASSIGN_VECTOR, irq_op); +#undef COPY_BACK + + default: + WARN_ON(rc != -ENOSYS); + break; + } + + return rc; +} diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 610bfc6be17..2e22df2f7a3 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -105,6 +105,21 @@ static void gntdev_print_maps(struct gntdev_priv *priv, #endif } +static void gntdev_free_map(struct grant_map *map) +{ + if (map == NULL) + return; + + if (map->pages) + free_xenballooned_pages(map->count, map->pages); + kfree(map->pages); + kfree(map->grants); + kfree(map->map_ops); + kfree(map->unmap_ops); + kfree(map->kmap_ops); + kfree(map); +} + static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) { struct grant_map *add; @@ -142,12 +157,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) return add; err: - kfree(add->pages); - kfree(add->grants); - kfree(add->map_ops); - kfree(add->unmap_ops); - kfree(add->kmap_ops); - kfree(add); + gntdev_free_map(add); return NULL; } @@ -198,17 +208,9 @@ static void gntdev_put_map(struct grant_map *map) evtchn_put(map->notify.event); } - if (map->pages) { - if (!use_ptemod) - unmap_grant_pages(map, 0, map->count); - - free_xenballooned_pages(map->count, map->pages); - } - kfree(map->pages); - kfree(map->grants); - kfree(map->map_ops); - kfree(map->unmap_ops); - kfree(map); + if (map->pages && !use_ptemod) + unmap_grant_pages(map, 0, map->count); + gntdev_free_map(map); } /* ------------------------------------------------------------------ */ diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 89f76252a16..ac727028e65 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -458,7 +458,7 @@ static ssize_t xenbus_file_write(struct file *filp, goto out; /* Can't write a xenbus message larger we can buffer */ - if ((len + u->len) > sizeof(u->u.buffer)) { + if (len > sizeof(u->u.buffer) - u->len) { /* On error, dump existing buffer */ u->len = 0; rc = -EINVAL; @@ -75,6 +75,7 @@ static struct kmem_cache *bio_find_or_create_slab(unsigned int extra_size) unsigned int sz = sizeof(struct bio) + extra_size; struct kmem_cache *slab = NULL; struct bio_slab *bslab, *new_bio_slabs; + unsigned int new_bio_slab_max; unsigned int i, entry = -1; mutex_lock(&bio_slab_lock); @@ -97,12 +98,13 @@ static struct kmem_cache *bio_find_or_create_slab(unsigned int extra_size) goto out_unlock; if (bio_slab_nr == bio_slab_max && entry == -1) { - bio_slab_max <<= 1; + new_bio_slab_max = bio_slab_max << 1; new_bio_slabs = krealloc(bio_slabs, - bio_slab_max * sizeof(struct bio_slab), + new_bio_slab_max * sizeof(struct bio_slab), GFP_KERNEL); if (!new_bio_slabs) goto out_unlock; + bio_slab_max = new_bio_slab_max; bio_slabs = new_bio_slabs; } if (entry == -1) diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 02ce90972d8..9349bb37a2f 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -90,6 +90,8 @@ static int ceph_encode_fh(struct inode *inode, u32 *rawfh, int *max_len, *max_len = handle_length; type = 255; } + if (dentry) + dput(dentry); return type; } diff --git a/fs/cifs/cifsacl.c b/fs/cifs/cifsacl.c index fc783e26442..0fb15bbbe43 100644 --- a/fs/cifs/cifsacl.c +++ b/fs/cifs/cifsacl.c @@ -225,6 +225,13 @@ sid_to_str(struct cifs_sid *sidptr, char *sidstr) } static void +cifs_copy_sid(struct cifs_sid *dst, const struct cifs_sid *src) +{ + memcpy(dst, src, sizeof(*dst)); + dst->num_subauth = min_t(u8, src->num_subauth, NUM_SUBAUTHS); +} + +static void id_rb_insert(struct rb_root *root, struct cifs_sid *sidptr, struct cifs_sid_id **psidid, char *typestr) { @@ -248,7 +255,7 @@ id_rb_insert(struct rb_root *root, struct cifs_sid *sidptr, } } - memcpy(&(*psidid)->sid, sidptr, sizeof(struct cifs_sid)); + cifs_copy_sid(&(*psidid)->sid, sidptr); (*psidid)->time = jiffies - (SID_MAP_RETRY + 1); (*psidid)->refcount = 0; @@ -354,7 +361,7 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid) * any fields of the node after a reference is put . */ if (test_bit(SID_ID_MAPPED, &psidid->state)) { - memcpy(ssid, &psidid->sid, sizeof(struct cifs_sid)); + cifs_copy_sid(ssid, &psidid->sid); psidid->time = jiffies; /* update ts for accessing */ goto id_sid_out; } @@ -370,14 +377,14 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid) if (IS_ERR(sidkey)) { rc = -EINVAL; cFYI(1, "%s: Can't map and id to a SID", __func__); + } else if (sidkey->datalen < sizeof(struct cifs_sid)) { + rc = -EIO; + cFYI(1, "%s: Downcall contained malformed key " + "(datalen=%hu)", __func__, sidkey->datalen); } else { lsid = (struct cifs_sid *)sidkey->payload.data; - memcpy(&psidid->sid, lsid, - sidkey->datalen < sizeof(struct cifs_sid) ? - sidkey->datalen : sizeof(struct cifs_sid)); - memcpy(ssid, &psidid->sid, - sidkey->datalen < sizeof(struct cifs_sid) ? - sidkey->datalen : sizeof(struct cifs_sid)); + cifs_copy_sid(&psidid->sid, lsid); + cifs_copy_sid(ssid, &psidid->sid); set_bit(SID_ID_MAPPED, &psidid->state); key_put(sidkey); kfree(psidid->sidstr); @@ -396,7 +403,7 @@ id_to_sid(unsigned long cid, uint sidtype, struct cifs_sid *ssid) return rc; } if (test_bit(SID_ID_MAPPED, &psidid->state)) - memcpy(ssid, &psidid->sid, sizeof(struct cifs_sid)); + cifs_copy_sid(ssid, &psidid->sid); else rc = -EINVAL; } @@ -675,8 +682,6 @@ int compare_sids(const struct cifs_sid *ctsid, const struct cifs_sid *cwsid) static void copy_sec_desc(const struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd, __u32 sidsoffset) { - int i; - struct cifs_sid *owner_sid_ptr, *group_sid_ptr; struct cifs_sid *nowner_sid_ptr, *ngroup_sid_ptr; @@ -692,26 +697,14 @@ static void copy_sec_desc(const struct cifs_ntsd *pntsd, owner_sid_ptr = (struct cifs_sid *)((char *)pntsd + le32_to_cpu(pntsd->osidoffset)); nowner_sid_ptr = (struct cifs_sid *)((char *)pnntsd + sidsoffset); - - nowner_sid_ptr->revision = owner_sid_ptr->revision; - nowner_sid_ptr->num_subauth = owner_sid_ptr->num_subauth; - for (i = 0; i < 6; i++) - nowner_sid_ptr->authority[i] = owner_sid_ptr->authority[i]; - for (i = 0; i < 5; i++) - nowner_sid_ptr->sub_auth[i] = owner_sid_ptr->sub_auth[i]; + cifs_copy_sid(nowner_sid_ptr, owner_sid_ptr); /* copy group sid */ group_sid_ptr = (struct cifs_sid *)((char *)pntsd + le32_to_cpu(pntsd->gsidoffset)); ngroup_sid_ptr = (struct cifs_sid *)((char *)pnntsd + sidsoffset + sizeof(struct cifs_sid)); - - ngroup_sid_ptr->revision = group_sid_ptr->revision; - ngroup_sid_ptr->num_subauth = group_sid_ptr->num_subauth; - for (i = 0; i < 6; i++) - ngroup_sid_ptr->authority[i] = group_sid_ptr->authority[i]; - for (i = 0; i < 5; i++) - ngroup_sid_ptr->sub_auth[i] = group_sid_ptr->sub_auth[i]; + cifs_copy_sid(ngroup_sid_ptr, group_sid_ptr); return; } @@ -1120,8 +1113,7 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd, kfree(nowner_sid_ptr); return rc; } - memcpy(owner_sid_ptr, nowner_sid_ptr, - sizeof(struct cifs_sid)); + cifs_copy_sid(owner_sid_ptr, nowner_sid_ptr); kfree(nowner_sid_ptr); *aclflag = CIFS_ACL_OWNER; } @@ -1139,8 +1131,7 @@ static int build_sec_desc(struct cifs_ntsd *pntsd, struct cifs_ntsd *pnntsd, kfree(ngroup_sid_ptr); return rc; } - memcpy(group_sid_ptr, ngroup_sid_ptr, - sizeof(struct cifs_sid)); + cifs_copy_sid(group_sid_ptr, ngroup_sid_ptr); kfree(ngroup_sid_ptr); *aclflag = CIFS_ACL_GROUP; } diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 7c0a8128364..d3671f2acb2 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -398,7 +398,16 @@ cifs_atomic_open(struct inode *inode, struct dentry *direntry, * in network traffic in the other paths. */ if (!(oflags & O_CREAT)) { - struct dentry *res = cifs_lookup(inode, direntry, 0); + struct dentry *res; + + /* + * Check for hashed negative dentry. We have already revalidated + * the dentry and it is fine. No need to perform another lookup. + */ + if (!d_unhashed(direntry)) + return -ENOENT; + + res = cifs_lookup(inode, direntry, 0); if (IS_ERR(res)) return PTR_ERR(res); diff --git a/fs/eventpoll.c b/fs/eventpoll.c index da72250ddc1..cd96649bfe6 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -346,7 +346,7 @@ static inline struct epitem *ep_item_from_epqueue(poll_table *p) /* Tells if the epoll_ctl(2) operation needs an event copy from userspace */ static inline int ep_op_has_event(int op) { - return op == EPOLL_CTL_ADD || op == EPOLL_CTL_MOD; + return op != EPOLL_CTL_DEL; } /* Initialize the poll safe wake up structure */ @@ -676,34 +676,6 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi) return 0; } -/* - * Disables a "struct epitem" in the eventpoll set. Returns -EBUSY if the item - * had no event flags set, indicating that another thread may be currently - * handling that item's events (in the case that EPOLLONESHOT was being - * used). Otherwise a zero result indicates that the item has been disabled - * from receiving events. A disabled item may be re-enabled via - * EPOLL_CTL_MOD. Must be called with "mtx" held. - */ -static int ep_disable(struct eventpoll *ep, struct epitem *epi) -{ - int result = 0; - unsigned long flags; - - spin_lock_irqsave(&ep->lock, flags); - if (epi->event.events & ~EP_PRIVATE_BITS) { - if (ep_is_linked(&epi->rdllink)) - list_del_init(&epi->rdllink); - /* Ensure ep_poll_callback will not add epi back onto ready - list: */ - epi->event.events &= EP_PRIVATE_BITS; - } - else - result = -EBUSY; - spin_unlock_irqrestore(&ep->lock, flags); - - return result; -} - static void ep_free(struct eventpoll *ep) { struct rb_node *rbp; @@ -1048,6 +1020,8 @@ static void ep_rbtree_insert(struct eventpoll *ep, struct epitem *epi) rb_insert_color(&epi->rbn, &ep->rbr); } + + #define PATH_ARR_SIZE 5 /* * These are the number paths of length 1 to 5, that we are allowing to emanate @@ -1813,12 +1787,6 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd, } else error = -ENOENT; break; - case EPOLL_CTL_DISABLE: - if (epi) - error = ep_disable(ep, epi); - else - error = -ENOENT; - break; } mutex_unlock(&ep->mtx); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 4facdd29a35..3a100e7a62a 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -725,6 +725,10 @@ repeat_in_this_group: "inode=%lu", ino + 1); continue; } + BUFFER_TRACE(inode_bitmap_bh, "get_write_access"); + err = ext4_journal_get_write_access(handle, inode_bitmap_bh); + if (err) + goto fail; ext4_lock_group(sb, group); ret2 = ext4_test_and_set_bit(ino, inode_bitmap_bh->b_data); ext4_unlock_group(sb, group); @@ -738,6 +742,11 @@ repeat_in_this_group: goto out; got: + BUFFER_TRACE(inode_bitmap_bh, "call ext4_handle_dirty_metadata"); + err = ext4_handle_dirty_metadata(handle, NULL, inode_bitmap_bh); + if (err) + goto fail; + /* We may have to initialize the block bitmap if it isn't already */ if (ext4_has_group_desc_csum(sb) && gdp->bg_flags & cpu_to_le16(EXT4_BG_BLOCK_UNINIT)) { @@ -771,11 +780,6 @@ got: goto fail; } - BUFFER_TRACE(inode_bitmap_bh, "get_write_access"); - err = ext4_journal_get_write_access(handle, inode_bitmap_bh); - if (err) - goto fail; - BUFFER_TRACE(group_desc_bh, "get_write_access"); err = ext4_journal_get_write_access(handle, group_desc_bh); if (err) @@ -823,11 +827,6 @@ got: } ext4_unlock_group(sb, group); - BUFFER_TRACE(inode_bitmap_bh, "call ext4_handle_dirty_metadata"); - err = ext4_handle_dirty_metadata(handle, NULL, inode_bitmap_bh); - if (err) - goto fail; - BUFFER_TRACE(group_desc_bh, "call ext4_handle_dirty_metadata"); err = ext4_handle_dirty_metadata(handle, NULL, group_desc_bh); if (err) diff --git a/fs/file.c b/fs/file.c index d3b5fa80b71..708d997a774 100644 --- a/fs/file.c +++ b/fs/file.c @@ -900,7 +900,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) return __close_fd(files, fd); if (fd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, fd); @@ -926,7 +926,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) return -EINVAL; if (newfd >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; + return -EBADF; spin_lock(&files->file_lock); err = expand_files(files, newfd); diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index 0def0504afc..e056b4ce487 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -516,15 +516,13 @@ static int gfs2_mmap(struct file *file, struct vm_area_struct *vma) struct gfs2_holder i_gh; int error; - gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &i_gh); - error = gfs2_glock_nq(&i_gh); - if (error == 0) { - file_accessed(file); - gfs2_glock_dq(&i_gh); - } - gfs2_holder_uninit(&i_gh); + error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, + &i_gh); if (error) return error; + /* grab lock to update inode */ + gfs2_glock_dq_uninit(&i_gh); + file_accessed(file); } vma->vm_ops = &gfs2_vm_ops; @@ -677,10 +675,8 @@ static ssize_t gfs2_file_aio_write(struct kiocb *iocb, const struct iovec *iov, size_t writesize = iov_length(iov, nr_segs); struct dentry *dentry = file->f_dentry; struct gfs2_inode *ip = GFS2_I(dentry->d_inode); - struct gfs2_sbd *sdp; int ret; - sdp = GFS2_SB(file->f_mapping->host); ret = gfs2_rs_alloc(ip); if (ret) return ret; diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c index 8ff95a2d54e..9ceccb1595a 100644 --- a/fs/gfs2/lops.c +++ b/fs/gfs2/lops.c @@ -393,12 +393,10 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) struct gfs2_meta_header *mh; struct gfs2_trans *tr; - lock_buffer(bd->bd_bh); - gfs2_log_lock(sdp); tr = current->journal_info; tr->tr_touched = 1; if (!list_empty(&bd->bd_list)) - goto out; + return; set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); mh = (struct gfs2_meta_header *)bd->bd_bh->b_data; @@ -414,9 +412,6 @@ static void buf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) sdp->sd_log_num_buf++; list_add(&bd->bd_list, &sdp->sd_log_le_buf); tr->tr_num_buf_new++; -out: - gfs2_log_unlock(sdp); - unlock_buffer(bd->bd_bh); } static void gfs2_check_magic(struct buffer_head *bh) @@ -621,7 +616,6 @@ static void revoke_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) static void revoke_lo_before_commit(struct gfs2_sbd *sdp) { - struct gfs2_log_descriptor *ld; struct gfs2_meta_header *mh; unsigned int offset; struct list_head *head = &sdp->sd_log_le_revoke; @@ -634,7 +628,6 @@ static void revoke_lo_before_commit(struct gfs2_sbd *sdp) length = gfs2_struct2blk(sdp, sdp->sd_log_num_revoke, sizeof(u64)); page = gfs2_get_log_desc(sdp, GFS2_LOG_DESC_REVOKE, length, sdp->sd_log_num_revoke); - ld = page_address(page); offset = sizeof(struct gfs2_log_descriptor); list_for_each_entry(bd, head, bd_list) { @@ -777,12 +770,10 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) struct address_space *mapping = bd->bd_bh->b_page->mapping; struct gfs2_inode *ip = GFS2_I(mapping->host); - lock_buffer(bd->bd_bh); - gfs2_log_lock(sdp); if (tr) tr->tr_touched = 1; if (!list_empty(&bd->bd_list)) - goto out; + return; set_bit(GLF_LFLUSH, &bd->bd_gl->gl_flags); set_bit(GLF_DIRTY, &bd->bd_gl->gl_flags); if (gfs2_is_jdata(ip)) { @@ -793,9 +784,6 @@ static void databuf_lo_add(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) } else { list_add_tail(&bd->bd_list, &sdp->sd_log_le_ordered); } -out: - gfs2_log_unlock(sdp); - unlock_buffer(bd->bd_bh); } /** diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 40c4b0d42fa..c5af8e18f27 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -497,8 +497,11 @@ int gfs2_quota_hold(struct gfs2_inode *ip, u32 uid, u32 gid) struct gfs2_quota_data **qd; int error; - if (ip->i_res == NULL) - gfs2_rs_alloc(ip); + if (ip->i_res == NULL) { + error = gfs2_rs_alloc(ip); + if (error) + return error; + } qd = ip->i_res->rs_qa_qd; diff --git a/fs/gfs2/rgrp.c b/fs/gfs2/rgrp.c index 3cc402ce6fe..38fe18f2f05 100644 --- a/fs/gfs2/rgrp.c +++ b/fs/gfs2/rgrp.c @@ -553,7 +553,6 @@ void gfs2_free_clones(struct gfs2_rgrpd *rgd) */ int gfs2_rs_alloc(struct gfs2_inode *ip) { - int error = 0; struct gfs2_blkreserv *res; if (ip->i_res) @@ -561,7 +560,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip) res = kmem_cache_zalloc(gfs2_rsrv_cachep, GFP_NOFS); if (!res) - error = -ENOMEM; + return -ENOMEM; RB_CLEAR_NODE(&res->rs_node); @@ -571,7 +570,7 @@ int gfs2_rs_alloc(struct gfs2_inode *ip) else ip->i_res = res; up_write(&ip->i_rw_mutex); - return error; + return 0; } static void dump_rs(struct seq_file *seq, const struct gfs2_blkreserv *rs) @@ -1263,7 +1262,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp) int ret = 0; u64 amt; u64 trimmed = 0; + u64 start, end, minlen; unsigned int x; + unsigned bs_shift = sdp->sd_sb.sb_bsize_shift; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -1271,19 +1272,25 @@ int gfs2_fitrim(struct file *filp, void __user *argp) if (!blk_queue_discard(q)) return -EOPNOTSUPP; - if (argp == NULL) { - r.start = 0; - r.len = ULLONG_MAX; - r.minlen = 0; - } else if (copy_from_user(&r, argp, sizeof(r))) + if (copy_from_user(&r, argp, sizeof(r))) return -EFAULT; ret = gfs2_rindex_update(sdp); if (ret) return ret; - rgd = gfs2_blk2rgrpd(sdp, r.start, 0); - rgd_end = gfs2_blk2rgrpd(sdp, r.start + r.len, 0); + start = r.start >> bs_shift; + end = start + (r.len >> bs_shift); + minlen = max_t(u64, r.minlen, + q->limits.discard_granularity) >> bs_shift; + + rgd = gfs2_blk2rgrpd(sdp, start, 0); + rgd_end = gfs2_blk2rgrpd(sdp, end - 1, 0); + + if (end <= start || + minlen > sdp->sd_max_rg_data || + start > rgd_end->rd_data0 + rgd_end->rd_data) + return -EINVAL; while (1) { @@ -1295,7 +1302,9 @@ int gfs2_fitrim(struct file *filp, void __user *argp) /* Trim each bitmap in the rgrp */ for (x = 0; x < rgd->rd_length; x++) { struct gfs2_bitmap *bi = rgd->rd_bits + x; - ret = gfs2_rgrp_send_discards(sdp, rgd->rd_data0, NULL, bi, r.minlen, &amt); + ret = gfs2_rgrp_send_discards(sdp, + rgd->rd_data0, NULL, bi, minlen, + &amt); if (ret) { gfs2_glock_dq_uninit(&gh); goto out; @@ -1324,7 +1333,7 @@ int gfs2_fitrim(struct file *filp, void __user *argp) out: r.len = trimmed << 9; - if (argp && copy_to_user(argp, &r, sizeof(r))) + if (copy_to_user(argp, &r, sizeof(r))) return -EFAULT; return ret; diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index bc737261f23..d6488674d91 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -810,7 +810,8 @@ static void gfs2_dirty_inode(struct inode *inode, int flags) return; } need_unlock = 1; - } + } else if (WARN_ON_ONCE(ip->i_gl->gl_state != LM_ST_EXCLUSIVE)) + return; if (current->journal_info == NULL) { ret = gfs2_trans_begin(sdp, RES_DINODE, 0); diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c index adbd27875ef..413627072f3 100644 --- a/fs/gfs2/trans.c +++ b/fs/gfs2/trans.c @@ -155,14 +155,22 @@ void gfs2_trans_add_bh(struct gfs2_glock *gl, struct buffer_head *bh, int meta) struct gfs2_sbd *sdp = gl->gl_sbd; struct gfs2_bufdata *bd; + lock_buffer(bh); + gfs2_log_lock(sdp); bd = bh->b_private; if (bd) gfs2_assert(sdp, bd->bd_gl == gl); else { + gfs2_log_unlock(sdp); + unlock_buffer(bh); gfs2_attach_bufdata(gl, bh, meta); bd = bh->b_private; + lock_buffer(bh); + gfs2_log_lock(sdp); } lops_add(sdp, bd); + gfs2_log_unlock(sdp); + unlock_buffer(bh); } void gfs2_trans_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd) diff --git a/fs/nfs/dns_resolve.c b/fs/nfs/dns_resolve.c index 31c26c4dcc2..ca4b11ec87a 100644 --- a/fs/nfs/dns_resolve.c +++ b/fs/nfs/dns_resolve.c @@ -217,7 +217,7 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen) { char buf1[NFS_DNS_HOSTNAME_MAXLEN+1]; struct nfs_dns_ent key, *item; - unsigned long ttl; + unsigned int ttl; ssize_t len; int ret = -EINVAL; @@ -240,7 +240,8 @@ static int nfs_dns_parse(struct cache_detail *cd, char *buf, int buflen) key.namelen = len; memset(&key.h, 0, sizeof(key.h)); - ttl = get_expiry(&buf); + if (get_uint(&buf, &ttl) < 0) + goto out; if (ttl == 0) goto out; key.h.expiry_time = ttl + seconds_since_boot(); diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 5c7325c5c5e..6fa01aea248 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -685,7 +685,10 @@ static void __put_nfs_open_context(struct nfs_open_context *ctx, int is_sync) if (ctx->cred != NULL) put_rpccred(ctx->cred); dput(ctx->dentry); - nfs_sb_deactive(sb); + if (is_sync) + nfs_sb_deactive(sb); + else + nfs_sb_deactive_async(sb); kfree(ctx->mdsthreshold); kfree(ctx); } diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 59b133c5d65..05521cadac2 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -351,10 +351,12 @@ extern int __init register_nfs_fs(void); extern void __exit unregister_nfs_fs(void); extern void nfs_sb_active(struct super_block *sb); extern void nfs_sb_deactive(struct super_block *sb); +extern void nfs_sb_deactive_async(struct super_block *sb); /* namespace.c */ +#define NFS_PATH_CANONICAL 1 extern char *nfs_path(char **p, struct dentry *dentry, - char *buffer, ssize_t buflen); + char *buffer, ssize_t buflen, unsigned flags); extern struct vfsmount *nfs_d_automount(struct path *path); struct vfsmount *nfs_submount(struct nfs_server *, struct dentry *, struct nfs_fh *, struct nfs_fattr *); @@ -498,7 +500,7 @@ static inline char *nfs_devname(struct dentry *dentry, char *buffer, ssize_t buflen) { char *dummy; - return nfs_path(&dummy, dentry, buffer, buflen); + return nfs_path(&dummy, dentry, buffer, buflen, NFS_PATH_CANONICAL); } /* diff --git a/fs/nfs/mount_clnt.c b/fs/nfs/mount_clnt.c index 8e65c7f1f87..015f71f8f62 100644 --- a/fs/nfs/mount_clnt.c +++ b/fs/nfs/mount_clnt.c @@ -181,7 +181,7 @@ int nfs_mount(struct nfs_mount_request *info) else msg.rpc_proc = &mnt_clnt->cl_procinfo[MOUNTPROC_MNT]; - status = rpc_call_sync(mnt_clnt, &msg, 0); + status = rpc_call_sync(mnt_clnt, &msg, RPC_TASK_SOFT|RPC_TASK_TIMEOUT); rpc_shutdown_client(mnt_clnt); if (status < 0) diff --git a/fs/nfs/namespace.c b/fs/nfs/namespace.c index 655925373b9..dd057bc6b65 100644 --- a/fs/nfs/namespace.c +++ b/fs/nfs/namespace.c @@ -33,6 +33,7 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ; * @dentry - pointer to dentry * @buffer - result buffer * @buflen - length of buffer + * @flags - options (see below) * * Helper function for constructing the server pathname * by arbitrary hashed dentry. @@ -40,8 +41,14 @@ int nfs_mountpoint_expiry_timeout = 500 * HZ; * This is mainly for use in figuring out the path on the * server side when automounting on top of an existing partition * and in generating /proc/mounts and friends. + * + * Supported flags: + * NFS_PATH_CANONICAL: ensure there is exactly one slash after + * the original device (export) name + * (if unset, the original name is returned verbatim) */ -char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen) +char *nfs_path(char **p, struct dentry *dentry, char *buffer, ssize_t buflen, + unsigned flags) { char *end; int namelen; @@ -74,7 +81,7 @@ rename_retry: rcu_read_unlock(); goto rename_retry; } - if (*end != '/') { + if ((flags & NFS_PATH_CANONICAL) && *end != '/') { if (--buflen < 0) { spin_unlock(&dentry->d_lock); rcu_read_unlock(); @@ -91,9 +98,11 @@ rename_retry: return end; } namelen = strlen(base); - /* Strip off excess slashes in base string */ - while (namelen > 0 && base[namelen - 1] == '/') - namelen--; + if (flags & NFS_PATH_CANONICAL) { + /* Strip off excess slashes in base string */ + while (namelen > 0 && base[namelen - 1] == '/') + namelen--; + } buflen -= namelen; if (buflen < 0) { spin_unlock(&dentry->d_lock); diff --git a/fs/nfs/nfs4namespace.c b/fs/nfs/nfs4namespace.c index 79fbb61ce20..1e09eb78543 100644 --- a/fs/nfs/nfs4namespace.c +++ b/fs/nfs/nfs4namespace.c @@ -81,7 +81,8 @@ static char *nfs_path_component(const char *nfspath, const char *end) static char *nfs4_path(struct dentry *dentry, char *buffer, ssize_t buflen) { char *limit; - char *path = nfs_path(&limit, dentry, buffer, buflen); + char *path = nfs_path(&limit, dentry, buffer, buflen, + NFS_PATH_CANONICAL); if (!IS_ERR(path)) { char *path_component = nfs_path_component(path, limit); if (path_component) diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 68b21d81b7a..5eec4429970 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -339,8 +339,7 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc dprintk("%s ERROR: %d Reset session\n", __func__, errorcode); nfs4_schedule_session_recovery(clp->cl_session, errorcode); - exception->retry = 1; - break; + goto wait_on_recovery; #endif /* defined(CONFIG_NFS_V4_1) */ case -NFS4ERR_FILE_OPEN: if (exception->timeout > HZ) { @@ -1572,9 +1571,11 @@ static void nfs4_open_prepare(struct rpc_task *task, void *calldata) data->timestamp = jiffies; if (nfs4_setup_sequence(data->o_arg.server, &data->o_arg.seq_args, - &data->o_res.seq_res, task)) - return; - rpc_call_start(task); + &data->o_res.seq_res, + task) != 0) + nfs_release_seqid(data->o_arg.seqid); + else + rpc_call_start(task); return; unlock_no_action: rcu_read_unlock(); @@ -1748,7 +1749,7 @@ static int nfs4_opendata_access(struct rpc_cred *cred, /* even though OPEN succeeded, access is denied. Close the file */ nfs4_close_state(state, fmode); - return -NFS4ERR_ACCESS; + return -EACCES; } /* @@ -2196,7 +2197,7 @@ static void nfs4_free_closedata(void *data) nfs4_put_open_state(calldata->state); nfs_free_seqid(calldata->arg.seqid); nfs4_put_state_owner(sp); - nfs_sb_deactive(sb); + nfs_sb_deactive_async(sb); kfree(calldata); } @@ -2296,9 +2297,10 @@ static void nfs4_close_prepare(struct rpc_task *task, void *data) if (nfs4_setup_sequence(NFS_SERVER(inode), &calldata->arg.seq_args, &calldata->res.seq_res, - task)) - goto out; - rpc_call_start(task); + task) != 0) + nfs_release_seqid(calldata->arg.seqid); + else + rpc_call_start(task); out: dprintk("%s: done!\n", __func__); } @@ -4529,6 +4531,7 @@ static void nfs4_locku_done(struct rpc_task *task, void *data) if (nfs4_async_handle_error(task, calldata->server, NULL) == -EAGAIN) rpc_restart_call_prepare(task); } + nfs_release_seqid(calldata->arg.seqid); } static void nfs4_locku_prepare(struct rpc_task *task, void *data) @@ -4545,9 +4548,11 @@ static void nfs4_locku_prepare(struct rpc_task *task, void *data) calldata->timestamp = jiffies; if (nfs4_setup_sequence(calldata->server, &calldata->arg.seq_args, - &calldata->res.seq_res, task)) - return; - rpc_call_start(task); + &calldata->res.seq_res, + task) != 0) + nfs_release_seqid(calldata->arg.seqid); + else + rpc_call_start(task); } static const struct rpc_call_ops nfs4_locku_ops = { @@ -4692,7 +4697,7 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata) /* Do we need to do an open_to_lock_owner? */ if (!(data->arg.lock_seqid->sequence->flags & NFS_SEQID_CONFIRMED)) { if (nfs_wait_on_sequence(data->arg.open_seqid, task) != 0) - return; + goto out_release_lock_seqid; data->arg.open_stateid = &state->stateid; data->arg.new_lock_owner = 1; data->res.open_seqid = data->arg.open_seqid; @@ -4701,10 +4706,15 @@ static void nfs4_lock_prepare(struct rpc_task *task, void *calldata) data->timestamp = jiffies; if (nfs4_setup_sequence(data->server, &data->arg.seq_args, - &data->res.seq_res, task)) + &data->res.seq_res, + task) == 0) { + rpc_call_start(task); return; - rpc_call_start(task); - dprintk("%s: done!, ret = %d\n", __func__, data->rpc_status); + } + nfs_release_seqid(data->arg.open_seqid); +out_release_lock_seqid: + nfs_release_seqid(data->arg.lock_seqid); + dprintk("%s: done!, ret = %d\n", __func__, task->tk_status); } static void nfs4_recover_lock_prepare(struct rpc_task *task, void *calldata) @@ -5667,7 +5677,7 @@ static void nfs4_add_and_init_slots(struct nfs4_slot_table *tbl, tbl->slots = new; tbl->max_slots = max_slots; } - tbl->highest_used_slotid = -1; /* no slot is currently used */ + tbl->highest_used_slotid = NFS4_NO_SLOT; for (i = 0; i < tbl->max_slots; i++) tbl->slots[i].seq_nr = ivalue; spin_unlock(&tbl->slot_tbl_lock); diff --git a/fs/nfs/pnfs.c b/fs/nfs/pnfs.c index fe624c91bd0..2878f97bd78 100644 --- a/fs/nfs/pnfs.c +++ b/fs/nfs/pnfs.c @@ -925,8 +925,8 @@ pnfs_find_alloc_layout(struct inode *ino, if (likely(nfsi->layout == NULL)) { /* Won the race? */ nfsi->layout = new; return new; - } - pnfs_free_layout_hdr(new); + } else if (new != NULL) + pnfs_free_layout_hdr(new); out_existing: pnfs_get_layout_hdr(nfsi->layout); return nfsi->layout; diff --git a/fs/nfs/super.c b/fs/nfs/super.c index e831bce4976..652d3f7176a 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -54,6 +54,7 @@ #include <linux/parser.h> #include <linux/nsproxy.h> #include <linux/rcupdate.h> +#include <linux/kthread.h> #include <asm/uaccess.h> @@ -415,6 +416,54 @@ void nfs_sb_deactive(struct super_block *sb) } EXPORT_SYMBOL_GPL(nfs_sb_deactive); +static int nfs_deactivate_super_async_work(void *ptr) +{ + struct super_block *sb = ptr; + + deactivate_super(sb); + module_put_and_exit(0); + return 0; +} + +/* + * same effect as deactivate_super, but will do final unmount in kthread + * context + */ +static void nfs_deactivate_super_async(struct super_block *sb) +{ + struct task_struct *task; + char buf[INET6_ADDRSTRLEN + 1]; + struct nfs_server *server = NFS_SB(sb); + struct nfs_client *clp = server->nfs_client; + + if (!atomic_add_unless(&sb->s_active, -1, 1)) { + rcu_read_lock(); + snprintf(buf, sizeof(buf), + rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR)); + rcu_read_unlock(); + + __module_get(THIS_MODULE); + task = kthread_run(nfs_deactivate_super_async_work, sb, + "%s-deactivate-super", buf); + if (IS_ERR(task)) { + pr_err("%s: kthread_run: %ld\n", + __func__, PTR_ERR(task)); + /* make synchronous call and hope for the best */ + deactivate_super(sb); + module_put(THIS_MODULE); + } + } +} + +void nfs_sb_deactive_async(struct super_block *sb) +{ + struct nfs_server *server = NFS_SB(sb); + + if (atomic_dec_and_test(&server->active)) + nfs_deactivate_super_async(sb); +} +EXPORT_SYMBOL_GPL(nfs_sb_deactive_async); + /* * Deliver file system statistics to userspace */ @@ -771,7 +820,7 @@ int nfs_show_devname(struct seq_file *m, struct dentry *root) int err = 0; if (!page) return -ENOMEM; - devname = nfs_path(&dummy, root, page, PAGE_SIZE); + devname = nfs_path(&dummy, root, page, PAGE_SIZE, 0); if (IS_ERR(devname)) err = PTR_ERR(devname); else diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c index 13cea637eff..3f79c77153b 100644 --- a/fs/nfs/unlink.c +++ b/fs/nfs/unlink.c @@ -95,7 +95,7 @@ static void nfs_async_unlink_release(void *calldata) nfs_dec_sillycount(data->dir); nfs_free_unlinkdata(data); - nfs_sb_deactive(sb); + nfs_sb_deactive_async(sb); } static void nfs_unlink_prepare(struct rpc_task *task, void *calldata) diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index f35794b97e8..a5063602536 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -21,6 +21,7 @@ static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new) if ((old->path.mnt == new->path.mnt) && (old->path.dentry == new->path.dentry)) return true; + break; case (FSNOTIFY_EVENT_NONE): return true; default: diff --git a/fs/proc/base.c b/fs/proc/base.c index 144a96732dd..3c231adf845 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -873,6 +873,113 @@ static const struct file_operations proc_environ_operations = { .release = mem_release, }; +static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count, + loff_t *ppos) +{ + struct task_struct *task = get_proc_task(file->f_path.dentry->d_inode); + char buffer[PROC_NUMBUF]; + int oom_adj = OOM_ADJUST_MIN; + size_t len; + unsigned long flags; + + if (!task) + return -ESRCH; + if (lock_task_sighand(task, &flags)) { + if (task->signal->oom_score_adj == OOM_SCORE_ADJ_MAX) + oom_adj = OOM_ADJUST_MAX; + else + oom_adj = (task->signal->oom_score_adj * -OOM_DISABLE) / + OOM_SCORE_ADJ_MAX; + unlock_task_sighand(task, &flags); + } + put_task_struct(task); + len = snprintf(buffer, sizeof(buffer), "%d\n", oom_adj); + return simple_read_from_buffer(buf, count, ppos, buffer, len); +} + +static ssize_t oom_adj_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct task_struct *task; + char buffer[PROC_NUMBUF]; + int oom_adj; + unsigned long flags; + int err; + + memset(buffer, 0, sizeof(buffer)); + if (count > sizeof(buffer) - 1) + count = sizeof(buffer) - 1; + if (copy_from_user(buffer, buf, count)) { + err = -EFAULT; + goto out; + } + + err = kstrtoint(strstrip(buffer), 0, &oom_adj); + if (err) + goto out; + if ((oom_adj < OOM_ADJUST_MIN || oom_adj > OOM_ADJUST_MAX) && + oom_adj != OOM_DISABLE) { + err = -EINVAL; + goto out; + } + + task = get_proc_task(file->f_path.dentry->d_inode); + if (!task) { + err = -ESRCH; + goto out; + } + + task_lock(task); + if (!task->mm) { + err = -EINVAL; + goto err_task_lock; + } + + if (!lock_task_sighand(task, &flags)) { + err = -ESRCH; + goto err_task_lock; + } + + /* + * Scale /proc/pid/oom_score_adj appropriately ensuring that a maximum + * value is always attainable. + */ + if (oom_adj == OOM_ADJUST_MAX) + oom_adj = OOM_SCORE_ADJ_MAX; + else + oom_adj = (oom_adj * OOM_SCORE_ADJ_MAX) / -OOM_DISABLE; + + if (oom_adj < task->signal->oom_score_adj && + !capable(CAP_SYS_RESOURCE)) { + err = -EACCES; + goto err_sighand; + } + + /* + * /proc/pid/oom_adj is provided for legacy purposes, ask users to use + * /proc/pid/oom_score_adj instead. + */ + printk_once(KERN_WARNING "%s (%d): /proc/%d/oom_adj is deprecated, please use /proc/%d/oom_score_adj instead.\n", + current->comm, task_pid_nr(current), task_pid_nr(task), + task_pid_nr(task)); + + task->signal->oom_score_adj = oom_adj; + trace_oom_score_adj_update(task); +err_sighand: + unlock_task_sighand(task, &flags); +err_task_lock: + task_unlock(task); + put_task_struct(task); +out: + return err < 0 ? err : count; +} + +static const struct file_operations proc_oom_adj_operations = { + .read = oom_adj_read, + .write = oom_adj_write, + .llseek = generic_file_llseek, +}; + static ssize_t oom_score_adj_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -2598,6 +2705,7 @@ static const struct pid_entry tgid_base_stuff[] = { REG("cgroup", S_IRUGO, proc_cgroup_operations), #endif INF("oom_score", S_IRUGO, proc_oom_score), + REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations), REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations), #ifdef CONFIG_AUDITSYSCALL REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations), @@ -2964,6 +3072,7 @@ static const struct pid_entry tid_base_stuff[] = { REG("cgroup", S_IRUGO, proc_cgroup_operations), #endif INF("oom_score", S_IRUGO, proc_oom_score), + REG("oom_adj", S_IRUGO|S_IWUSR, proc_oom_adj_operations), REG("oom_score_adj", S_IRUGO|S_IWUSR, proc_oom_score_adj_operations), #ifdef CONFIG_AUDITSYSCALL REG("loginuid", S_IWUSR|S_IRUGO, proc_loginuid_operations), diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c index a40da07e93d..947fbe06c3b 100644 --- a/fs/pstore/platform.c +++ b/fs/pstore/platform.c @@ -161,6 +161,7 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c) while (s < e) { unsigned long flags; + u64 id; if (c > psinfo->bufsize) c = psinfo->bufsize; @@ -172,7 +173,7 @@ static void pstore_console_write(struct console *con, const char *s, unsigned c) spin_lock_irqsave(&psinfo->buf_lock, flags); } memcpy(psinfo->buf, s, c); - psinfo->write(PSTORE_TYPE_CONSOLE, 0, NULL, 0, c, psinfo); + psinfo->write(PSTORE_TYPE_CONSOLE, 0, &id, 0, c, psinfo); spin_unlock_irqrestore(&psinfo->buf_lock, flags); s += c; c = e - s; diff --git a/fs/ubifs/find.c b/fs/ubifs/find.c index 28ec13af28d..2dcf3d473fe 100644 --- a/fs/ubifs/find.c +++ b/fs/ubifs/find.c @@ -681,8 +681,16 @@ int ubifs_find_free_leb_for_idx(struct ubifs_info *c) if (!lprops) { lprops = ubifs_fast_find_freeable(c); if (!lprops) { - ubifs_assert(c->freeable_cnt == 0); - if (c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) { + /* + * The first condition means the following: go scan the + * LPT if there are uncategorized lprops, which means + * there may be freeable LEBs there (UBIFS does not + * store the information about freeable LEBs in the + * master node). + */ + if (c->in_a_category_cnt != c->main_lebs || + c->lst.empty_lebs - c->lst.taken_empty_lebs > 0) { + ubifs_assert(c->freeable_cnt == 0); lprops = scan_for_leb_for_idx(c); if (IS_ERR(lprops)) { err = PTR_ERR(lprops); diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c index e5a2a35a46d..46190a7c42a 100644 --- a/fs/ubifs/lprops.c +++ b/fs/ubifs/lprops.c @@ -300,8 +300,11 @@ void ubifs_add_to_cat(struct ubifs_info *c, struct ubifs_lprops *lprops, default: ubifs_assert(0); } + lprops->flags &= ~LPROPS_CAT_MASK; lprops->flags |= cat; + c->in_a_category_cnt += 1; + ubifs_assert(c->in_a_category_cnt <= c->main_lebs); } /** @@ -334,6 +337,9 @@ static void ubifs_remove_from_cat(struct ubifs_info *c, default: ubifs_assert(0); } + + c->in_a_category_cnt -= 1; + ubifs_assert(c->in_a_category_cnt >= 0); } /** diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 5486346d0a3..d133c276fe0 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1183,6 +1183,8 @@ struct ubifs_debug_info; * @freeable_list: list of freeable non-index LEBs (free + dirty == @leb_size) * @frdi_idx_list: list of freeable index LEBs (free + dirty == @leb_size) * @freeable_cnt: number of freeable LEBs in @freeable_list + * @in_a_category_cnt: count of lprops which are in a certain category, which + * basically meants that they were loaded from the flash * * @ltab_lnum: LEB number of LPT's own lprops table * @ltab_offs: offset of LPT's own lprops table @@ -1412,6 +1414,7 @@ struct ubifs_info { struct list_head freeable_list; struct list_head frdi_idx_list; int freeable_cnt; + int in_a_category_cnt; int ltab_lnum; int ltab_offs; diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c index 4f33c32affe..335206a9c69 100644 --- a/fs/xfs/xfs_alloc.c +++ b/fs/xfs/xfs_alloc.c @@ -1866,6 +1866,7 @@ xfs_alloc_fix_freelist( /* * Initialize the args structure. */ + memset(&targs, 0, sizeof(targs)); targs.tp = tp; targs.mp = mp; targs.agbp = agbp; @@ -2207,7 +2208,7 @@ xfs_alloc_read_agf( * group or loop over the allocation groups to find the result. */ int /* error */ -__xfs_alloc_vextent( +xfs_alloc_vextent( xfs_alloc_arg_t *args) /* allocation argument structure */ { xfs_agblock_t agsize; /* allocation group size */ @@ -2417,46 +2418,6 @@ error0: return error; } -static void -xfs_alloc_vextent_worker( - struct work_struct *work) -{ - struct xfs_alloc_arg *args = container_of(work, - struct xfs_alloc_arg, work); - unsigned long pflags; - - /* we are in a transaction context here */ - current_set_flags_nested(&pflags, PF_FSTRANS); - - args->result = __xfs_alloc_vextent(args); - complete(args->done); - - current_restore_flags_nested(&pflags, PF_FSTRANS); -} - -/* - * Data allocation requests often come in with little stack to work on. Push - * them off to a worker thread so there is lots of stack to use. Metadata - * requests, OTOH, are generally from low stack usage paths, so avoid the - * context switch overhead here. - */ -int -xfs_alloc_vextent( - struct xfs_alloc_arg *args) -{ - DECLARE_COMPLETION_ONSTACK(done); - - if (!args->userdata) - return __xfs_alloc_vextent(args); - - - args->done = &done; - INIT_WORK_ONSTACK(&args->work, xfs_alloc_vextent_worker); - queue_work(xfs_alloc_wq, &args->work); - wait_for_completion(&done); - return args->result; -} - /* * Free an extent. * Just break up the extent address and hand off to xfs_free_ag_extent diff --git a/fs/xfs/xfs_alloc.h b/fs/xfs/xfs_alloc.h index 93be4a667ca..feacb061bab 100644 --- a/fs/xfs/xfs_alloc.h +++ b/fs/xfs/xfs_alloc.h @@ -120,9 +120,6 @@ typedef struct xfs_alloc_arg { char isfl; /* set if is freelist blocks - !acctg */ char userdata; /* set if this is user data */ xfs_fsblock_t firstblock; /* io first block allocated */ - struct completion *done; - struct work_struct work; - int result; } xfs_alloc_arg_t; /* diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c index f1647caace8..f7876c6d616 100644 --- a/fs/xfs/xfs_alloc_btree.c +++ b/fs/xfs/xfs_alloc_btree.c @@ -121,6 +121,8 @@ xfs_allocbt_free_block( xfs_extent_busy_insert(cur->bc_tp, be32_to_cpu(agf->agf_seqno), bno, 1, XFS_EXTENT_BUSY_SKIP_DISCARD); xfs_trans_agbtree_delta(cur->bc_tp, -1); + + xfs_trans_binval(cur->bc_tp, bp); return 0; } diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 848ffa77707..83d0cf3df93 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -2437,6 +2437,7 @@ xfs_bmap_btalloc( * Normal allocation, done through xfs_alloc_vextent. */ tryagain = isaligned = 0; + memset(&args, 0, sizeof(args)); args.tp = ap->tp; args.mp = mp; args.fsbno = ap->blkno; @@ -3082,6 +3083,7 @@ xfs_bmap_extents_to_btree( * Convert to a btree with two levels, one record in root. */ XFS_IFORK_FMT_SET(ip, whichfork, XFS_DINODE_FMT_BTREE); + memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = mp; args.firstblock = *firstblock; @@ -3237,6 +3239,7 @@ xfs_bmap_local_to_extents( xfs_buf_t *bp; /* buffer for extent block */ xfs_bmbt_rec_host_t *ep;/* extent record pointer */ + memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = ip->i_mount; args.firstblock = *firstblock; @@ -4616,12 +4619,11 @@ xfs_bmapi_delay( STATIC int -xfs_bmapi_allocate( - struct xfs_bmalloca *bma, - int flags) +__xfs_bmapi_allocate( + struct xfs_bmalloca *bma) { struct xfs_mount *mp = bma->ip->i_mount; - int whichfork = (flags & XFS_BMAPI_ATTRFORK) ? + int whichfork = (bma->flags & XFS_BMAPI_ATTRFORK) ? XFS_ATTR_FORK : XFS_DATA_FORK; struct xfs_ifork *ifp = XFS_IFORK_PTR(bma->ip, whichfork); int tmp_logflags = 0; @@ -4654,24 +4656,27 @@ xfs_bmapi_allocate( * Indicate if this is the first user data in the file, or just any * user data. */ - if (!(flags & XFS_BMAPI_METADATA)) { + if (!(bma->flags & XFS_BMAPI_METADATA)) { bma->userdata = (bma->offset == 0) ? XFS_ALLOC_INITIAL_USER_DATA : XFS_ALLOC_USERDATA; } - bma->minlen = (flags & XFS_BMAPI_CONTIG) ? bma->length : 1; + bma->minlen = (bma->flags & XFS_BMAPI_CONTIG) ? bma->length : 1; /* * Only want to do the alignment at the eof if it is userdata and * allocation length is larger than a stripe unit. */ if (mp->m_dalign && bma->length >= mp->m_dalign && - !(flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) { + !(bma->flags & XFS_BMAPI_METADATA) && whichfork == XFS_DATA_FORK) { error = xfs_bmap_isaeof(bma, whichfork); if (error) return error; } + if (bma->flags & XFS_BMAPI_STACK_SWITCH) + bma->stack_switch = 1; + error = xfs_bmap_alloc(bma); if (error) return error; @@ -4706,7 +4711,7 @@ xfs_bmapi_allocate( * A wasdelay extent has been initialized, so shouldn't be flagged * as unwritten. */ - if (!bma->wasdel && (flags & XFS_BMAPI_PREALLOC) && + if (!bma->wasdel && (bma->flags & XFS_BMAPI_PREALLOC) && xfs_sb_version_hasextflgbit(&mp->m_sb)) bma->got.br_state = XFS_EXT_UNWRITTEN; @@ -4734,6 +4739,45 @@ xfs_bmapi_allocate( return 0; } +static void +xfs_bmapi_allocate_worker( + struct work_struct *work) +{ + struct xfs_bmalloca *args = container_of(work, + struct xfs_bmalloca, work); + unsigned long pflags; + + /* we are in a transaction context here */ + current_set_flags_nested(&pflags, PF_FSTRANS); + + args->result = __xfs_bmapi_allocate(args); + complete(args->done); + + current_restore_flags_nested(&pflags, PF_FSTRANS); +} + +/* + * Some allocation requests often come in with little stack to work on. Push + * them off to a worker thread so there is lots of stack to use. Otherwise just + * call directly to avoid the context switch overhead here. + */ +int +xfs_bmapi_allocate( + struct xfs_bmalloca *args) +{ + DECLARE_COMPLETION_ONSTACK(done); + + if (!args->stack_switch) + return __xfs_bmapi_allocate(args); + + + args->done = &done; + INIT_WORK_ONSTACK(&args->work, xfs_bmapi_allocate_worker); + queue_work(xfs_alloc_wq, &args->work); + wait_for_completion(&done); + return args->result; +} + STATIC int xfs_bmapi_convert_unwritten( struct xfs_bmalloca *bma, @@ -4919,6 +4963,7 @@ xfs_bmapi_write( bma.conv = !!(flags & XFS_BMAPI_CONVERT); bma.wasdel = wasdelay; bma.offset = bno; + bma.flags = flags; /* * There's a 32/64 bit type mismatch between the @@ -4934,7 +4979,7 @@ xfs_bmapi_write( ASSERT(len > 0); ASSERT(bma.length > 0); - error = xfs_bmapi_allocate(&bma, flags); + error = xfs_bmapi_allocate(&bma); if (error) goto error0; if (bma.blkno == NULLFSBLOCK) diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h index 803b56d7ce1..5f469c3516e 100644 --- a/fs/xfs/xfs_bmap.h +++ b/fs/xfs/xfs_bmap.h @@ -77,6 +77,7 @@ typedef struct xfs_bmap_free * from written to unwritten, otherwise convert from unwritten to written. */ #define XFS_BMAPI_CONVERT 0x040 +#define XFS_BMAPI_STACK_SWITCH 0x080 #define XFS_BMAPI_FLAGS \ { XFS_BMAPI_ENTIRE, "ENTIRE" }, \ @@ -85,7 +86,8 @@ typedef struct xfs_bmap_free { XFS_BMAPI_PREALLOC, "PREALLOC" }, \ { XFS_BMAPI_IGSTATE, "IGSTATE" }, \ { XFS_BMAPI_CONTIG, "CONTIG" }, \ - { XFS_BMAPI_CONVERT, "CONVERT" } + { XFS_BMAPI_CONVERT, "CONVERT" }, \ + { XFS_BMAPI_STACK_SWITCH, "STACK_SWITCH" } static inline int xfs_bmapi_aflag(int w) @@ -133,6 +135,11 @@ typedef struct xfs_bmalloca { char userdata;/* set if is user data */ char aeof; /* allocated space at eof */ char conv; /* overwriting unwritten extents */ + char stack_switch; + int flags; + struct completion *done; + struct work_struct work; + int result; } xfs_bmalloca_t; /* diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c index a8d0ed91119..becf4a97efc 100644 --- a/fs/xfs/xfs_buf_item.c +++ b/fs/xfs/xfs_buf_item.c @@ -526,7 +526,25 @@ xfs_buf_item_unpin( } xfs_buf_relse(bp); } else if (freed && remove) { + /* + * There are currently two references to the buffer - the active + * LRU reference and the buf log item. What we are about to do + * here - simulate a failed IO completion - requires 3 + * references. + * + * The LRU reference is removed by the xfs_buf_stale() call. The + * buf item reference is removed by the xfs_buf_iodone() + * callback that is run by xfs_buf_do_callbacks() during ioend + * processing (via the bp->b_iodone callback), and then finally + * the ioend processing will drop the IO reference if the buffer + * is marked XBF_ASYNC. + * + * Hence we need to take an additional reference here so that IO + * completion processing doesn't free the buffer prematurely. + */ xfs_buf_lock(bp); + xfs_buf_hold(bp); + bp->b_flags |= XBF_ASYNC; xfs_buf_ioerror(bp, EIO); XFS_BUF_UNDONE(bp); xfs_buf_stale(bp); diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c index c25b094efbf..4beaede4327 100644 --- a/fs/xfs/xfs_fsops.c +++ b/fs/xfs/xfs_fsops.c @@ -399,9 +399,26 @@ xfs_growfs_data_private( /* update secondary superblocks. */ for (agno = 1; agno < nagcount; agno++) { - error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, + error = 0; + /* + * new secondary superblocks need to be zeroed, not read from + * disk as the contents of the new area we are growing into is + * completely unknown. + */ + if (agno < oagcount) { + error = xfs_trans_read_buf(mp, NULL, mp->m_ddev_targp, XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), XFS_FSS_TO_BB(mp, 1), 0, &bp); + } else { + bp = xfs_trans_get_buf(NULL, mp->m_ddev_targp, + XFS_AGB_TO_DADDR(mp, agno, XFS_SB_BLOCK(mp)), + XFS_FSS_TO_BB(mp, 1), 0); + if (bp) + xfs_buf_zero(bp, 0, BBTOB(bp->b_length)); + else + error = ENOMEM; + } + if (error) { xfs_warn(mp, "error %d reading secondary superblock for ag %d", @@ -423,7 +440,7 @@ xfs_growfs_data_private( break; /* no point in continuing */ } } - return 0; + return error; error0: xfs_trans_cancel(tp, XFS_TRANS_ABORT); diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 445bf1aef31..c5c4ef4f2bd 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -250,6 +250,7 @@ xfs_ialloc_ag_alloc( /* boundary */ struct xfs_perag *pag; + memset(&args, 0, sizeof(args)); args.tp = tp; args.mp = tp->t_mountp; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 2778258fcfa..1938b41ee9f 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -1509,7 +1509,8 @@ xfs_ifree_cluster( * to mark all the active inodes on the buffer stale. */ bp = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno, - mp->m_bsize * blks_per_cluster, 0); + mp->m_bsize * blks_per_cluster, + XBF_UNMAPPED); if (!bp) return ENOMEM; diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 8305f2ac677..c1df3c623de 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -70,7 +70,7 @@ xfs_find_handle( int hsize; xfs_handle_t handle; struct inode *inode; - struct fd f; + struct fd f = {0}; struct path path; int error; struct xfs_inode *ip; diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index 973dff6ad93..7f537663365 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -584,7 +584,9 @@ xfs_iomap_write_allocate( * pointer that the caller gave to us. */ error = xfs_bmapi_write(tp, ip, map_start_fsb, - count_fsb, 0, &first_block, 1, + count_fsb, + XFS_BMAPI_STACK_SWITCH, + &first_block, 1, imap, &nimaps, &free_list); if (error) goto trans_cancel; diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c index 7f4f9370d0e..4dad756962d 100644 --- a/fs/xfs/xfs_log.c +++ b/fs/xfs/xfs_log.c @@ -2387,14 +2387,27 @@ xlog_state_do_callback( /* - * update the last_sync_lsn before we drop the + * Completion of a iclog IO does not imply that + * a transaction has completed, as transactions + * can be large enough to span many iclogs. We + * cannot change the tail of the log half way + * through a transaction as this may be the only + * transaction in the log and moving th etail to + * point to the middle of it will prevent + * recovery from finding the start of the + * transaction. Hence we should only update the + * last_sync_lsn if this iclog contains + * transaction completion callbacks on it. + * + * We have to do this before we drop the * icloglock to ensure we are the only one that * can update it. */ ASSERT(XFS_LSN_CMP(atomic64_read(&log->l_last_sync_lsn), be64_to_cpu(iclog->ic_header.h_lsn)) <= 0); - atomic64_set(&log->l_last_sync_lsn, - be64_to_cpu(iclog->ic_header.h_lsn)); + if (iclog->ic_callback) + atomic64_set(&log->l_last_sync_lsn, + be64_to_cpu(iclog->ic_header.h_lsn)); } else ioerrors++; diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 5da3ace352b..d308749fabf 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -3541,7 +3541,7 @@ xlog_do_recovery_pass( * - order is important. */ error = xlog_bread_offset(log, 0, - bblks - split_bblks, hbp, + bblks - split_bblks, dbp, offset + BBTOB(split_bblks)); if (error) goto bread_err2; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index c1273158292..f9f5e9eeb9d 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -335,8 +335,8 @@ const char *__clk_get_name(struct clk *clk); struct clk_hw *__clk_get_hw(struct clk *clk); u8 __clk_get_num_parents(struct clk *clk); struct clk *__clk_get_parent(struct clk *clk); -inline int __clk_get_enable_count(struct clk *clk); -inline int __clk_get_prepare_count(struct clk *clk); +int __clk_get_enable_count(struct clk *clk); +int __clk_get_prepare_count(struct clk *clk); unsigned long __clk_get_rate(struct clk *clk); unsigned long __clk_get_flags(struct clk *clk); int __clk_is_enabled(struct clk *clk); diff --git a/include/linux/hashtable.h b/include/linux/hashtable.h new file mode 100644 index 00000000000..227c62424f3 --- /dev/null +++ b/include/linux/hashtable.h @@ -0,0 +1,192 @@ +/* + * Statically sized hash table implementation + * (C) 2012 Sasha Levin <levinsasha928@gmail.com> + */ + +#ifndef _LINUX_HASHTABLE_H +#define _LINUX_HASHTABLE_H + +#include <linux/list.h> +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/hash.h> +#include <linux/rculist.h> + +#define DEFINE_HASHTABLE(name, bits) \ + struct hlist_head name[1 << (bits)] = \ + { [0 ... ((1 << (bits)) - 1)] = HLIST_HEAD_INIT } + +#define DECLARE_HASHTABLE(name, bits) \ + struct hlist_head name[1 << (bits)] + +#define HASH_SIZE(name) (ARRAY_SIZE(name)) +#define HASH_BITS(name) ilog2(HASH_SIZE(name)) + +/* Use hash_32 when possible to allow for fast 32bit hashing in 64bit kernels. */ +#define hash_min(val, bits) \ + (sizeof(val) <= 4 ? hash_32(val, bits) : hash_long(val, bits)) + +static inline void __hash_init(struct hlist_head *ht, unsigned int sz) +{ + unsigned int i; + + for (i = 0; i < sz; i++) + INIT_HLIST_HEAD(&ht[i]); +} + +/** + * hash_init - initialize a hash table + * @hashtable: hashtable to be initialized + * + * Calculates the size of the hashtable from the given parameter, otherwise + * same as hash_init_size. + * + * This has to be a macro since HASH_BITS() will not work on pointers since + * it calculates the size during preprocessing. + */ +#define hash_init(hashtable) __hash_init(hashtable, HASH_SIZE(hashtable)) + +/** + * hash_add - add an object to a hashtable + * @hashtable: hashtable to add to + * @node: the &struct hlist_node of the object to be added + * @key: the key of the object to be added + */ +#define hash_add(hashtable, node, key) \ + hlist_add_head(node, &hashtable[hash_min(key, HASH_BITS(hashtable))]) + +/** + * hash_add_rcu - add an object to a rcu enabled hashtable + * @hashtable: hashtable to add to + * @node: the &struct hlist_node of the object to be added + * @key: the key of the object to be added + */ +#define hash_add_rcu(hashtable, node, key) \ + hlist_add_head_rcu(node, &hashtable[hash_min(key, HASH_BITS(hashtable))]) + +/** + * hash_hashed - check whether an object is in any hashtable + * @node: the &struct hlist_node of the object to be checked + */ +static inline bool hash_hashed(struct hlist_node *node) +{ + return !hlist_unhashed(node); +} + +static inline bool __hash_empty(struct hlist_head *ht, unsigned int sz) +{ + unsigned int i; + + for (i = 0; i < sz; i++) + if (!hlist_empty(&ht[i])) + return false; + + return true; +} + +/** + * hash_empty - check whether a hashtable is empty + * @hashtable: hashtable to check + * + * This has to be a macro since HASH_BITS() will not work on pointers since + * it calculates the size during preprocessing. + */ +#define hash_empty(hashtable) __hash_empty(hashtable, HASH_SIZE(hashtable)) + +/** + * hash_del - remove an object from a hashtable + * @node: &struct hlist_node of the object to remove + */ +static inline void hash_del(struct hlist_node *node) +{ + hlist_del_init(node); +} + +/** + * hash_del_rcu - remove an object from a rcu enabled hashtable + * @node: &struct hlist_node of the object to remove + */ +static inline void hash_del_rcu(struct hlist_node *node) +{ + hlist_del_init_rcu(node); +} + +/** + * hash_for_each - iterate over a hashtable + * @name: hashtable to iterate + * @bkt: integer to use as bucket loop cursor + * @node: the &struct list_head to use as a loop cursor for each entry + * @obj: the type * to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + */ +#define hash_for_each(name, bkt, node, obj, member) \ + for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\ + hlist_for_each_entry(obj, node, &name[bkt], member) + +/** + * hash_for_each_rcu - iterate over a rcu enabled hashtable + * @name: hashtable to iterate + * @bkt: integer to use as bucket loop cursor + * @node: the &struct list_head to use as a loop cursor for each entry + * @obj: the type * to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + */ +#define hash_for_each_rcu(name, bkt, node, obj, member) \ + for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\ + hlist_for_each_entry_rcu(obj, node, &name[bkt], member) + +/** + * hash_for_each_safe - iterate over a hashtable safe against removal of + * hash entry + * @name: hashtable to iterate + * @bkt: integer to use as bucket loop cursor + * @node: the &struct list_head to use as a loop cursor for each entry + * @tmp: a &struct used for temporary storage + * @obj: the type * to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + */ +#define hash_for_each_safe(name, bkt, node, tmp, obj, member) \ + for ((bkt) = 0, node = NULL; node == NULL && (bkt) < HASH_SIZE(name); (bkt)++)\ + hlist_for_each_entry_safe(obj, node, tmp, &name[bkt], member) + +/** + * hash_for_each_possible - iterate over all possible objects hashing to the + * same bucket + * @name: hashtable to iterate + * @obj: the type * to use as a loop cursor for each entry + * @node: the &struct list_head to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + * @key: the key of the objects to iterate over + */ +#define hash_for_each_possible(name, obj, node, member, key) \ + hlist_for_each_entry(obj, node, &name[hash_min(key, HASH_BITS(name))], member) + +/** + * hash_for_each_possible_rcu - iterate over all possible objects hashing to the + * same bucket in an rcu enabled hashtable + * in a rcu enabled hashtable + * @name: hashtable to iterate + * @obj: the type * to use as a loop cursor for each entry + * @node: the &struct list_head to use as a loop cursor for each entry + * @member: the name of the hlist_node within the struct + * @key: the key of the objects to iterate over + */ +#define hash_for_each_possible_rcu(name, obj, node, member, key) \ + hlist_for_each_entry_rcu(obj, node, &name[hash_min(key, HASH_BITS(name))], member) + +/** + * hash_for_each_possible_safe - iterate over all possible objects hashing to the + * same bucket safe against removals + * @name: hashtable to iterate + * @obj: the type * to use as a loop cursor for each entry + * @node: the &struct list_head to use as a loop cursor for each entry + * @tmp: a &struct used for temporary storage + * @member: the name of the hlist_node within the struct + * @key: the key of the objects to iterate over + */ +#define hash_for_each_possible_safe(name, obj, node, tmp, member, key) \ + hlist_for_each_entry_safe(obj, node, tmp, \ + &name[hash_min(key, HASH_BITS(name))], member) + + +#endif diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 93bfc9f9815..ecc554374e4 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -42,19 +42,8 @@ */ #define KVM_MEMSLOT_INVALID (1UL << 16) -/* - * If we support unaligned MMIO, at most one fragment will be split into two: - */ -#ifdef KVM_UNALIGNED_MMIO -# define KVM_EXTRA_MMIO_FRAGMENTS 1 -#else -# define KVM_EXTRA_MMIO_FRAGMENTS 0 -#endif - -#define KVM_USER_MMIO_SIZE 8 - -#define KVM_MAX_MMIO_FRAGMENTS \ - (KVM_MMIO_SIZE / KVM_USER_MMIO_SIZE + KVM_EXTRA_MMIO_FRAGMENTS) +/* Two fragments for cross MMIO pages. */ +#define KVM_MAX_MMIO_FRAGMENTS 2 /* * For the normal pfn, the highest 12 bits should be zero, diff --git a/include/linux/mm.h b/include/linux/mm.h index fa068040273..bcaab4e6fe9 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1684,9 +1684,5 @@ static inline unsigned int debug_guardpage_minorder(void) { return 0; } static inline bool page_is_guard(struct page *page) { return false; } #endif /* CONFIG_DEBUG_PAGEALLOC */ -extern void reset_zone_present_pages(void); -extern void fixup_zone_present_pages(int nid, unsigned long start_pfn, - unsigned long end_pfn); - #endif /* __KERNEL__ */ #endif /* _LINUX_MM_H */ diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index 7c6a1139d8f..96531664a06 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -137,7 +137,7 @@ struct dw_mci { dma_addr_t sg_dma; void *sg_cpu; - struct dw_mci_dma_ops *dma_ops; + const struct dw_mci_dma_ops *dma_ops; #ifdef CONFIG_MMC_DW_IDMAC unsigned int ring_size; #else @@ -162,7 +162,7 @@ struct dw_mci { u16 data_offset; struct device *dev; struct dw_mci_board *pdata; - struct dw_mci_drv_data *drv_data; + const struct dw_mci_drv_data *drv_data; void *priv; struct clk *biu_clk; struct clk *ciu_clk; @@ -186,7 +186,7 @@ struct dw_mci { struct regulator *vmmc; /* Power regulator */ unsigned long irq_flags; /* IRQ flags */ - unsigned int irq; + int irq; }; /* DMA ops for Internal/External DMAC interface */ diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h index fa8529a859b..1edcb4dad8c 100644 --- a/include/linux/mmc/sdhci.h +++ b/include/linux/mmc/sdhci.h @@ -91,6 +91,7 @@ struct sdhci_host { unsigned int quirks2; /* More deviations from spec. */ #define SDHCI_QUIRK2_HOST_OFF_CARD_ON (1<<0) +#define SDHCI_QUIRK2_HOST_NO_CMD23 (1<<1) int irq; /* Device IRQ */ void __iomem *ioaddr; /* Mapped address */ diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 50aaca81f63..a23923ba826 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -752,7 +752,7 @@ extern int init_currently_empty_zone(struct zone *zone, unsigned long start_pfn, unsigned long size, enum memmap_context context); -extern void lruvec_init(struct lruvec *lruvec, struct zone *zone); +extern void lruvec_init(struct lruvec *lruvec); static inline struct zone *lruvec_zone(struct lruvec *lruvec) { diff --git a/include/linux/of_address.h b/include/linux/of_address.h index a1984dd037d..e20e3af68fb 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -28,11 +28,13 @@ static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } #endif #else /* CONFIG_OF_ADDRESS */ +#ifndef of_address_to_resource static inline int of_address_to_resource(struct device_node *dev, int index, struct resource *r) { return -EINVAL; } +#endif static inline struct device_node *of_find_matching_node_by_address( struct device_node *from, const struct of_device_id *matches, diff --git a/include/linux/platform_data/omap_ocp2scp.h b/include/linux/platform_data/omap_ocp2scp.h new file mode 100644 index 00000000000..5c6c3939355 --- /dev/null +++ b/include/linux/platform_data/omap_ocp2scp.h @@ -0,0 +1,31 @@ +/* + * omap_ocp2scp.h -- ocp2scp header file + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * Author: Kishon Vijay Abraham I <kishon@ti.com> + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __DRIVERS_OMAP_OCP2SCP_H +#define __DRIVERS_OMAP_OCP2SCP_H + +struct omap_ocp2scp_dev { + const char *drv_name; + struct resource *res; +}; + +struct omap_ocp2scp_platform_data { + int dev_cnt; + struct omap_ocp2scp_dev **devices; +}; +#endif /* __DRIVERS_OMAP_OCP2SCP_H */ diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index f2dc6d8fc68..38a99350832 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -54,7 +54,8 @@ struct ptp_clock_request { * clock operations * * @adjfreq: Adjusts the frequency of the hardware clock. - * parameter delta: Desired period change in parts per billion. + * parameter delta: Desired frequency offset from nominal frequency + * in parts per billion * * @adjtime: Shifts the time of the hardware clock. * parameter delta: Desired change in nanoseconds. diff --git a/include/linux/raid/Kbuild b/include/linux/raid/Kbuild index 2415a64c5e5..e69de29bb2d 100644 --- a/include/linux/raid/Kbuild +++ b/include/linux/raid/Kbuild @@ -1,2 +0,0 @@ -header-y += md_p.h -header-y += md_u.h diff --git a/include/linux/raid/md_u.h b/include/linux/raid/md_u.h index fb1abb3367e..358c04bfbe2 100644 --- a/include/linux/raid/md_u.h +++ b/include/linux/raid/md_u.h @@ -11,149 +11,10 @@ (for example /usr/src/linux/COPYING); if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ - #ifndef _MD_U_H #define _MD_U_H -/* - * Different major versions are not compatible. - * Different minor versions are only downward compatible. - * Different patchlevel versions are downward and upward compatible. - */ -#define MD_MAJOR_VERSION 0 -#define MD_MINOR_VERSION 90 -/* - * MD_PATCHLEVEL_VERSION indicates kernel functionality. - * >=1 means different superblock formats are selectable using SET_ARRAY_INFO - * and major_version/minor_version accordingly - * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT - * in the super status byte - * >=3 means that bitmap superblock version 4 is supported, which uses - * little-ending representation rather than host-endian - */ -#define MD_PATCHLEVEL_VERSION 3 - -/* ioctls */ - -/* status */ -#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t) -#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t) -#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t) -#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13) -#define RAID_AUTORUN _IO (MD_MAJOR, 0x14) -#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t) - -/* configuration */ -#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20) -#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t) -#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22) -#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t) -#define SET_DISK_INFO _IO (MD_MAJOR, 0x24) -#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25) -#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26) -#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27) -#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28) -#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29) -#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a) -#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int) +#include <uapi/linux/raid/md_u.h> -/* usage */ -#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t) -/* 0x31 was START_ARRAY */ -#define STOP_ARRAY _IO (MD_MAJOR, 0x32) -#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33) -#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34) - -/* 63 partitions with the alternate major number (mdp) */ -#define MdpMinorShift 6 -#ifdef __KERNEL__ extern int mdp_major; -#endif - -typedef struct mdu_version_s { - int major; - int minor; - int patchlevel; -} mdu_version_t; - -typedef struct mdu_array_info_s { - /* - * Generic constant information - */ - int major_version; - int minor_version; - int patch_version; - int ctime; - int level; - int size; - int nr_disks; - int raid_disks; - int md_minor; - int not_persistent; - - /* - * Generic state information - */ - int utime; /* 0 Superblock update time */ - int state; /* 1 State bits (clean, ...) */ - int active_disks; /* 2 Number of currently active disks */ - int working_disks; /* 3 Number of working disks */ - int failed_disks; /* 4 Number of failed disks */ - int spare_disks; /* 5 Number of spare disks */ - - /* - * Personality information - */ - int layout; /* 0 the array's physical layout */ - int chunk_size; /* 1 chunk size in bytes */ - -} mdu_array_info_t; - -/* non-obvious values for 'level' */ -#define LEVEL_MULTIPATH (-4) -#define LEVEL_LINEAR (-1) -#define LEVEL_FAULTY (-5) - -/* we need a value for 'no level specified' and 0 - * means 'raid0', so we need something else. This is - * for internal use only - */ -#define LEVEL_NONE (-1000000) - -typedef struct mdu_disk_info_s { - /* - * configuration/status of one particular disk - */ - int number; - int major; - int minor; - int raid_disk; - int state; - -} mdu_disk_info_t; - -typedef struct mdu_start_info_s { - /* - * configuration/status of one particular disk - */ - int major; - int minor; - int raid_disk; - int state; - -} mdu_start_info_t; - -typedef struct mdu_bitmap_file_s -{ - char pathname[4096]; -} mdu_bitmap_file_t; - -typedef struct mdu_param_s -{ - int personality; /* 1,2,3,4 */ - int chunk_size; /* in bytes */ - int max_fault; /* unused for now */ -} mdu_param_t; - #endif - diff --git a/include/linux/rio.h b/include/linux/rio.h index 4187da51100..a3e78427866 100644 --- a/include/linux/rio.h +++ b/include/linux/rio.h @@ -275,9 +275,11 @@ struct rio_id_table { * struct rio_net - RIO network info * @node: Node in global list of RIO networks * @devices: List of devices in this network + * @switches: List of switches in this netowrk * @mports: List of master ports accessing this network * @hport: Default port for accessing this network * @id: RIO network ID + * @destid_table: destID allocation table */ struct rio_net { struct list_head node; /* node in list of networks */ diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index f8cd4cf3fad..7d5b6000378 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -2652,6 +2652,15 @@ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb); unsigned int __attribute_const__ ieee80211_hdrlen(__le16 fc); /** + * ieee80211_get_mesh_hdrlen - get mesh extension header length + * @meshhdr: the mesh extension header, only the flags field + * (first byte) will be accessed + * Returns the length of the extension header, which is always at + * least 6 bytes and at most 18 if address 5 and 6 are present. + */ +unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr); + +/** * DOC: Data path helpers * * In addition to generic utilities, cfg80211 also offers diff --git a/include/sound/core.h b/include/sound/core.h index bc056687f64..93896ad1fcd 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -132,6 +132,7 @@ struct snd_card { int shutdown; /* this card is going down */ int free_on_last_close; /* free in context of file_release */ wait_queue_head_t shutdown_sleep; + atomic_t refcount; /* refcount for disconnection */ struct device *dev; /* device assigned to this card */ struct device *card_dev; /* cardX object for sysfs */ @@ -189,6 +190,7 @@ struct snd_minor { const struct file_operations *f_ops; /* file operations */ void *private_data; /* private data for f_ops->open */ struct device *dev; /* device for sysfs */ + struct snd_card *card_ptr; /* assigned card instance */ }; /* return a device pointer linked to each sound device as a parent */ @@ -295,6 +297,7 @@ int snd_card_info_done(void); int snd_component_add(struct snd_card *card, const char *component); int snd_card_file_add(struct snd_card *card, struct file *file); int snd_card_file_remove(struct snd_card *card, struct file *file); +void snd_card_unref(struct snd_card *card); #define snd_card_set_dev(card, devptr) ((card)->dev = (devptr)) diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h index 15ba03bdd7c..d06b6da5c1e 100644 --- a/include/trace/events/xen.h +++ b/include/trace/events/xen.h @@ -377,6 +377,14 @@ DECLARE_EVENT_CLASS(xen_mmu_pgd, DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin); DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin); +TRACE_EVENT(xen_mmu_flush_tlb_all, + TP_PROTO(int x), + TP_ARGS(x), + TP_STRUCT__entry(__array(char, x, 0)), + TP_fast_assign((void)x), + TP_printk("%s", "") + ); + TRACE_EVENT(xen_mmu_flush_tlb, TP_PROTO(int x), TP_ARGS(x), diff --git a/include/uapi/linux/eventpoll.h b/include/uapi/linux/eventpoll.h index 8c99ce7202c..2c267bcbb85 100644 --- a/include/uapi/linux/eventpoll.h +++ b/include/uapi/linux/eventpoll.h @@ -25,7 +25,6 @@ #define EPOLL_CTL_ADD 1 #define EPOLL_CTL_DEL 2 #define EPOLL_CTL_MOD 3 -#define EPOLL_CTL_DISABLE 4 /* * Request the handling of system wakeup events so as to prevent system suspends diff --git a/include/uapi/linux/oom.h b/include/uapi/linux/oom.h index a49c4afc706..b29272d621c 100644 --- a/include/uapi/linux/oom.h +++ b/include/uapi/linux/oom.h @@ -8,4 +8,13 @@ #define OOM_SCORE_ADJ_MIN (-1000) #define OOM_SCORE_ADJ_MAX 1000 +/* + * /proc/<pid>/oom_adj set to -17 protects from the oom killer for legacy + * purposes. + */ +#define OOM_DISABLE (-17) +/* inclusive */ +#define OOM_ADJUST_MIN (-16) +#define OOM_ADJUST_MAX 15 + #endif /* _UAPI__INCLUDE_LINUX_OOM_H */ diff --git a/include/uapi/linux/raid/Kbuild b/include/uapi/linux/raid/Kbuild index aafaa5aa54d..e2c3d25405d 100644 --- a/include/uapi/linux/raid/Kbuild +++ b/include/uapi/linux/raid/Kbuild @@ -1 +1,3 @@ # UAPI Header export list +header-y += md_p.h +header-y += md_u.h diff --git a/include/linux/raid/md_p.h b/include/uapi/linux/raid/md_p.h index ee753536ab7..ee753536ab7 100644 --- a/include/linux/raid/md_p.h +++ b/include/uapi/linux/raid/md_p.h diff --git a/include/uapi/linux/raid/md_u.h b/include/uapi/linux/raid/md_u.h new file mode 100644 index 00000000000..4133e744e4e --- /dev/null +++ b/include/uapi/linux/raid/md_u.h @@ -0,0 +1,155 @@ +/* + md_u.h : user <=> kernel API between Linux raidtools and RAID drivers + Copyright (C) 1998 Ingo Molnar + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2, or (at your option) + any later version. + + You should have received a copy of the GNU General Public License + (for example /usr/src/linux/COPYING); if not, write to the Free + Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef _UAPI_MD_U_H +#define _UAPI_MD_U_H + +/* + * Different major versions are not compatible. + * Different minor versions are only downward compatible. + * Different patchlevel versions are downward and upward compatible. + */ +#define MD_MAJOR_VERSION 0 +#define MD_MINOR_VERSION 90 +/* + * MD_PATCHLEVEL_VERSION indicates kernel functionality. + * >=1 means different superblock formats are selectable using SET_ARRAY_INFO + * and major_version/minor_version accordingly + * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT + * in the super status byte + * >=3 means that bitmap superblock version 4 is supported, which uses + * little-ending representation rather than host-endian + */ +#define MD_PATCHLEVEL_VERSION 3 + +/* ioctls */ + +/* status */ +#define RAID_VERSION _IOR (MD_MAJOR, 0x10, mdu_version_t) +#define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t) +#define GET_DISK_INFO _IOR (MD_MAJOR, 0x12, mdu_disk_info_t) +#define PRINT_RAID_DEBUG _IO (MD_MAJOR, 0x13) +#define RAID_AUTORUN _IO (MD_MAJOR, 0x14) +#define GET_BITMAP_FILE _IOR (MD_MAJOR, 0x15, mdu_bitmap_file_t) + +/* configuration */ +#define CLEAR_ARRAY _IO (MD_MAJOR, 0x20) +#define ADD_NEW_DISK _IOW (MD_MAJOR, 0x21, mdu_disk_info_t) +#define HOT_REMOVE_DISK _IO (MD_MAJOR, 0x22) +#define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t) +#define SET_DISK_INFO _IO (MD_MAJOR, 0x24) +#define WRITE_RAID_INFO _IO (MD_MAJOR, 0x25) +#define UNPROTECT_ARRAY _IO (MD_MAJOR, 0x26) +#define PROTECT_ARRAY _IO (MD_MAJOR, 0x27) +#define HOT_ADD_DISK _IO (MD_MAJOR, 0x28) +#define SET_DISK_FAULTY _IO (MD_MAJOR, 0x29) +#define HOT_GENERATE_ERROR _IO (MD_MAJOR, 0x2a) +#define SET_BITMAP_FILE _IOW (MD_MAJOR, 0x2b, int) + +/* usage */ +#define RUN_ARRAY _IOW (MD_MAJOR, 0x30, mdu_param_t) +/* 0x31 was START_ARRAY */ +#define STOP_ARRAY _IO (MD_MAJOR, 0x32) +#define STOP_ARRAY_RO _IO (MD_MAJOR, 0x33) +#define RESTART_ARRAY_RW _IO (MD_MAJOR, 0x34) + +/* 63 partitions with the alternate major number (mdp) */ +#define MdpMinorShift 6 + +typedef struct mdu_version_s { + int major; + int minor; + int patchlevel; +} mdu_version_t; + +typedef struct mdu_array_info_s { + /* + * Generic constant information + */ + int major_version; + int minor_version; + int patch_version; + int ctime; + int level; + int size; + int nr_disks; + int raid_disks; + int md_minor; + int not_persistent; + + /* + * Generic state information + */ + int utime; /* 0 Superblock update time */ + int state; /* 1 State bits (clean, ...) */ + int active_disks; /* 2 Number of currently active disks */ + int working_disks; /* 3 Number of working disks */ + int failed_disks; /* 4 Number of failed disks */ + int spare_disks; /* 5 Number of spare disks */ + + /* + * Personality information + */ + int layout; /* 0 the array's physical layout */ + int chunk_size; /* 1 chunk size in bytes */ + +} mdu_array_info_t; + +/* non-obvious values for 'level' */ +#define LEVEL_MULTIPATH (-4) +#define LEVEL_LINEAR (-1) +#define LEVEL_FAULTY (-5) + +/* we need a value for 'no level specified' and 0 + * means 'raid0', so we need something else. This is + * for internal use only + */ +#define LEVEL_NONE (-1000000) + +typedef struct mdu_disk_info_s { + /* + * configuration/status of one particular disk + */ + int number; + int major; + int minor; + int raid_disk; + int state; + +} mdu_disk_info_t; + +typedef struct mdu_start_info_s { + /* + * configuration/status of one particular disk + */ + int major; + int minor; + int raid_disk; + int state; + +} mdu_start_info_t; + +typedef struct mdu_bitmap_file_s +{ + char pathname[4096]; +} mdu_bitmap_file_t; + +typedef struct mdu_param_s +{ + int personality; /* 1,2,3,4 */ + int chunk_size; /* in bytes */ + int max_fault; /* unused for now */ +} mdu_param_t; + +#endif /* _UAPI_MD_U_H */ diff --git a/include/xen/hvm.h b/include/xen/hvm.h index b193fa2f9fd..13e43e41637 100644 --- a/include/xen/hvm.h +++ b/include/xen/hvm.h @@ -5,6 +5,36 @@ #include <xen/interface/hvm/params.h> #include <asm/xen/hypercall.h> +static const char *param_name(int op) +{ +#define PARAM(x) [HVM_PARAM_##x] = #x + static const char *const names[] = { + PARAM(CALLBACK_IRQ), + PARAM(STORE_PFN), + PARAM(STORE_EVTCHN), + PARAM(PAE_ENABLED), + PARAM(IOREQ_PFN), + PARAM(BUFIOREQ_PFN), + PARAM(TIMER_MODE), + PARAM(HPET_ENABLED), + PARAM(IDENT_PT), + PARAM(DM_DOMAIN), + PARAM(ACPI_S_STATE), + PARAM(VM86_TSS), + PARAM(VPT_ALIGN), + PARAM(CONSOLE_PFN), + PARAM(CONSOLE_EVTCHN), + }; +#undef PARAM + + if (op >= ARRAY_SIZE(names)) + return "unknown"; + + if (!names[op]) + return "reserved"; + + return names[op]; +} static inline int hvm_get_parameter(int idx, uint64_t *value) { struct xen_hvm_param xhv; @@ -14,8 +44,8 @@ static inline int hvm_get_parameter(int idx, uint64_t *value) xhv.index = idx; r = HYPERVISOR_hvm_op(HVMOP_get_param, &xhv); if (r < 0) { - printk(KERN_ERR "Cannot get hvm parameter %d: %d!\n", - idx, r); + printk(KERN_ERR "Cannot get hvm parameter %s (%d): %d!\n", + param_name(idx), idx, r); return r; } *value = xhv.value; diff --git a/init/main.c b/init/main.c index 9cf77ab138a..e33e09df3cb 100644 --- a/init/main.c +++ b/init/main.c @@ -442,9 +442,11 @@ void __init __weak smp_setup_processor_id(void) { } +# if THREAD_SIZE >= PAGE_SIZE void __init __weak thread_info_cache_init(void) { } +#endif /* * Set up kernel memory allocators diff --git a/kernel/futex.c b/kernel/futex.c index 3717e7b306e..20ef219bbe9 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -716,7 +716,7 @@ static int futex_lock_pi_atomic(u32 __user *uaddr, struct futex_hash_bucket *hb, struct futex_pi_state **ps, struct task_struct *task, int set_waiters) { - int lock_taken, ret, ownerdied = 0; + int lock_taken, ret, force_take = 0; u32 uval, newval, curval, vpid = task_pid_vnr(task); retry: @@ -755,17 +755,15 @@ retry: newval = curval | FUTEX_WAITERS; /* - * There are two cases, where a futex might have no owner (the - * owner TID is 0): OWNER_DIED. We take over the futex in this - * case. We also do an unconditional take over, when the owner - * of the futex died. - * - * This is safe as we are protected by the hash bucket lock ! + * Should we force take the futex? See below. */ - if (unlikely(ownerdied || !(curval & FUTEX_TID_MASK))) { - /* Keep the OWNER_DIED bit */ + if (unlikely(force_take)) { + /* + * Keep the OWNER_DIED and the WAITERS bit and set the + * new TID value. + */ newval = (curval & ~FUTEX_TID_MASK) | vpid; - ownerdied = 0; + force_take = 0; lock_taken = 1; } @@ -775,7 +773,7 @@ retry: goto retry; /* - * We took the lock due to owner died take over. + * We took the lock due to forced take over. */ if (unlikely(lock_taken)) return 1; @@ -790,20 +788,25 @@ retry: switch (ret) { case -ESRCH: /* - * No owner found for this futex. Check if the - * OWNER_DIED bit is set to figure out whether - * this is a robust futex or not. + * We failed to find an owner for this + * futex. So we have no pi_state to block + * on. This can happen in two cases: + * + * 1) The owner died + * 2) A stale FUTEX_WAITERS bit + * + * Re-read the futex value. */ if (get_futex_value_locked(&curval, uaddr)) return -EFAULT; /* - * We simply start over in case of a robust - * futex. The code above will take the futex - * and return happy. + * If the owner died or we have a stale + * WAITERS bit the owner TID in the user space + * futex is 0. */ - if (curval & FUTEX_OWNER_DIED) { - ownerdied = 1; + if (!(curval & FUTEX_TID_MASK)) { + force_take = 1; goto retry; } default: diff --git a/kernel/module.c b/kernel/module.c index 6085f5ef88e..6e48c3a4359 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2293,12 +2293,17 @@ static void layout_symtab(struct module *mod, struct load_info *info) src = (void *)info->hdr + symsect->sh_offset; nsrc = symsect->sh_size / sizeof(*src); + /* strtab always starts with a nul, so offset 0 is the empty string. */ + strtab_size = 1; + /* Compute total space required for the core symbols' strtab. */ - for (ndst = i = strtab_size = 1; i < nsrc; ++i, ++src) - if (is_core_symbol(src, info->sechdrs, info->hdr->e_shnum)) { - strtab_size += strlen(&info->strtab[src->st_name]) + 1; + for (ndst = i = 0; i < nsrc; i++) { + if (i == 0 || + is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) { + strtab_size += strlen(&info->strtab[src[i].st_name])+1; ndst++; } + } /* Append room for core symbols at end of core part. */ info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1); @@ -2332,15 +2337,15 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) mod->core_symtab = dst = mod->module_core + info->symoffs; mod->core_strtab = s = mod->module_core + info->stroffs; src = mod->symtab; - *dst = *src; *s++ = 0; - for (ndst = i = 1; i < mod->num_symtab; ++i, ++src) { - if (!is_core_symbol(src, info->sechdrs, info->hdr->e_shnum)) - continue; - - dst[ndst] = *src; - dst[ndst++].st_name = s - mod->core_strtab; - s += strlcpy(s, &mod->strtab[src->st_name], KSYM_NAME_LEN) + 1; + for (ndst = i = 0; i < mod->num_symtab; i++) { + if (i == 0 || + is_core_symbol(src+i, info->sechdrs, info->hdr->e_shnum)) { + dst[ndst] = src[i]; + dst[ndst++].st_name = s - mod->core_strtab; + s += strlcpy(s, &mod->strtab[src[i].st_name], + KSYM_NAME_LEN) + 1; + } } mod->core_num_syms = ndst; } diff --git a/mm/bootmem.c b/mm/bootmem.c index 434be4ae7a0..f468185b3b2 100644 --- a/mm/bootmem.c +++ b/mm/bootmem.c @@ -198,8 +198,6 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) int order = ilog2(BITS_PER_LONG); __free_pages_bootmem(pfn_to_page(start), order); - fixup_zone_present_pages(page_to_nid(pfn_to_page(start)), - start, start + BITS_PER_LONG); count += BITS_PER_LONG; start += BITS_PER_LONG; } else { @@ -210,9 +208,6 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) if (vec & 1) { page = pfn_to_page(start + off); __free_pages_bootmem(page, 0); - fixup_zone_present_pages( - page_to_nid(page), - start + off, start + off + 1); count++; } vec >>= 1; @@ -226,11 +221,8 @@ static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata) pages = bdata->node_low_pfn - bdata->node_min_pfn; pages = bootmem_bootmap_pages(pages); count += pages; - while (pages--) { - fixup_zone_present_pages(page_to_nid(page), - page_to_pfn(page), page_to_pfn(page) + 1); + while (pages--) __free_pages_bootmem(page++, 0); - } bdebug("nid=%td released=%lx\n", bdata - bootmem_node_data, count); diff --git a/mm/highmem.c b/mm/highmem.c index d517cd16a6e..2da13a5c50e 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -98,7 +98,7 @@ struct page *kmap_to_page(void *vaddr) { unsigned long addr = (unsigned long)vaddr; - if (addr >= PKMAP_ADDR(0) && addr <= PKMAP_ADDR(LAST_PKMAP)) { + if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) { int i = (addr - PKMAP_ADDR(0)) >> PAGE_SHIFT; return pte_page(pkmap_page_table[i]); } diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 7acf43bf04a..dd39ba000b3 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1055,12 +1055,24 @@ struct lruvec *mem_cgroup_zone_lruvec(struct zone *zone, struct mem_cgroup *memcg) { struct mem_cgroup_per_zone *mz; + struct lruvec *lruvec; - if (mem_cgroup_disabled()) - return &zone->lruvec; + if (mem_cgroup_disabled()) { + lruvec = &zone->lruvec; + goto out; + } mz = mem_cgroup_zoneinfo(memcg, zone_to_nid(zone), zone_idx(zone)); - return &mz->lruvec; + lruvec = &mz->lruvec; +out: + /* + * Since a node can be onlined after the mem_cgroup was created, + * we have to be prepared to initialize lruvec->zone here; + * and if offlined then reonlined, we need to reinitialize it. + */ + if (unlikely(lruvec->zone != zone)) + lruvec->zone = zone; + return lruvec; } /* @@ -1087,9 +1099,12 @@ struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct zone *zone) struct mem_cgroup_per_zone *mz; struct mem_cgroup *memcg; struct page_cgroup *pc; + struct lruvec *lruvec; - if (mem_cgroup_disabled()) - return &zone->lruvec; + if (mem_cgroup_disabled()) { + lruvec = &zone->lruvec; + goto out; + } pc = lookup_page_cgroup(page); memcg = pc->mem_cgroup; @@ -1107,7 +1122,16 @@ struct lruvec *mem_cgroup_page_lruvec(struct page *page, struct zone *zone) pc->mem_cgroup = memcg = root_mem_cgroup; mz = page_cgroup_zoneinfo(memcg, page); - return &mz->lruvec; + lruvec = &mz->lruvec; +out: + /* + * Since a node can be onlined after the mem_cgroup was created, + * we have to be prepared to initialize lruvec->zone here; + * and if offlined then reonlined, we need to reinitialize it. + */ + if (unlikely(lruvec->zone != zone)) + lruvec->zone = zone; + return lruvec; } /** @@ -1452,17 +1476,26 @@ static int mem_cgroup_count_children(struct mem_cgroup *memcg) static u64 mem_cgroup_get_limit(struct mem_cgroup *memcg) { u64 limit; - u64 memsw; limit = res_counter_read_u64(&memcg->res, RES_LIMIT); - limit += total_swap_pages << PAGE_SHIFT; - memsw = res_counter_read_u64(&memcg->memsw, RES_LIMIT); /* - * If memsw is finite and limits the amount of swap space available - * to this memcg, return that limit. + * Do not consider swap space if we cannot swap due to swappiness */ - return min(limit, memsw); + if (mem_cgroup_swappiness(memcg)) { + u64 memsw; + + limit += total_swap_pages << PAGE_SHIFT; + memsw = res_counter_read_u64(&memcg->memsw, RES_LIMIT); + + /* + * If memsw is finite and limits the amount of swap space + * available to this memcg, return that limit. + */ + limit = min(limit, memsw); + } + + return limit; } void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, @@ -3688,17 +3721,17 @@ unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, static bool mem_cgroup_force_empty_list(struct mem_cgroup *memcg, int node, int zid, enum lru_list lru) { - struct mem_cgroup_per_zone *mz; + struct lruvec *lruvec; unsigned long flags, loop; struct list_head *list; struct page *busy; struct zone *zone; zone = &NODE_DATA(node)->node_zones[zid]; - mz = mem_cgroup_zoneinfo(memcg, node, zid); - list = &mz->lruvec.lists[lru]; + lruvec = mem_cgroup_zone_lruvec(zone, memcg); + list = &lruvec->lists[lru]; - loop = mz->lru_size[lru]; + loop = mem_cgroup_get_lru_size(lruvec, lru); /* give some margin against EBUSY etc...*/ loop += 256; busy = NULL; @@ -4736,7 +4769,7 @@ static int alloc_mem_cgroup_per_zone_info(struct mem_cgroup *memcg, int node) for (zone = 0; zone < MAX_NR_ZONES; zone++) { mz = &pn->zoneinfo[zone]; - lruvec_init(&mz->lruvec, &NODE_DATA(node)->node_zones[zone]); + lruvec_init(&mz->lruvec); mz->usage_in_excess = 0; mz->on_tree = false; mz->memcg = memcg; diff --git a/mm/memory.c b/mm/memory.c index fb135ba4aba..221fc9ffcab 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -2527,9 +2527,8 @@ static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma, int ret = 0; int page_mkwrite = 0; struct page *dirty_page = NULL; - unsigned long mmun_start; /* For mmu_notifiers */ - unsigned long mmun_end; /* For mmu_notifiers */ - bool mmun_called = false; /* For mmu_notifiers */ + unsigned long mmun_start = 0; /* For mmu_notifiers */ + unsigned long mmun_end = 0; /* For mmu_notifiers */ old_page = vm_normal_page(vma, address, orig_pte); if (!old_page) { @@ -2708,8 +2707,7 @@ gotten: goto oom_free_new; mmun_start = address & PAGE_MASK; - mmun_end = (address & PAGE_MASK) + PAGE_SIZE; - mmun_called = true; + mmun_end = mmun_start + PAGE_SIZE; mmu_notifier_invalidate_range_start(mm, mmun_start, mmun_end); /* @@ -2778,7 +2776,7 @@ gotten: page_cache_release(new_page); unlock: pte_unmap_unlock(page_table, ptl); - if (mmun_called) + if (mmun_end > mmun_start) mmu_notifier_invalidate_range_end(mm, mmun_start, mmun_end); if (old_page) { /* diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 56b758ae57d..e4eeacae2b9 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -106,7 +106,6 @@ static void get_page_bootmem(unsigned long info, struct page *page, void __ref put_page_bootmem(struct page *page) { unsigned long type; - struct zone *zone; type = (unsigned long) page->lru.next; BUG_ON(type < MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE || @@ -117,12 +116,6 @@ void __ref put_page_bootmem(struct page *page) set_page_private(page, 0); INIT_LIST_HEAD(&page->lru); __free_pages_bootmem(page, 0); - - zone = page_zone(page); - zone_span_writelock(zone); - zone->present_pages++; - zone_span_writeunlock(zone); - totalram_pages++; } } diff --git a/mm/mmap.c b/mm/mmap.c index b064822be82..7d416055f08 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -348,8 +348,10 @@ void validate_mm(struct mm_struct *mm) struct vm_area_struct *vma = mm->mmap; while (vma) { struct anon_vma_chain *avc; + vma_lock_anon_vma(vma); list_for_each_entry(avc, &vma->anon_vma_chain, same_vma) anon_vma_interval_tree_verify(avc); + vma_unlock_anon_vma(vma); vma = vma->vm_next; i++; } diff --git a/mm/mmzone.c b/mm/mmzone.c index 3cef80f6ac7..4596d81b89b 100644 --- a/mm/mmzone.c +++ b/mm/mmzone.c @@ -87,7 +87,7 @@ int memmap_valid_within(unsigned long pfn, } #endif /* CONFIG_ARCH_HAS_HOLES_MEMORYMODEL */ -void lruvec_init(struct lruvec *lruvec, struct zone *zone) +void lruvec_init(struct lruvec *lruvec) { enum lru_list lru; @@ -95,8 +95,4 @@ void lruvec_init(struct lruvec *lruvec, struct zone *zone) for_each_lru(lru) INIT_LIST_HEAD(&lruvec->lists[lru]); - -#ifdef CONFIG_MEMCG - lruvec->zone = zone; -#endif } diff --git a/mm/nobootmem.c b/mm/nobootmem.c index 714d5d65047..bd82f6b3141 100644 --- a/mm/nobootmem.c +++ b/mm/nobootmem.c @@ -116,8 +116,6 @@ static unsigned long __init __free_memory_core(phys_addr_t start, return 0; __free_pages_memory(start_pfn, end_pfn); - fixup_zone_present_pages(pfn_to_nid(start >> PAGE_SHIFT), - start_pfn, end_pfn); return end_pfn - start_pfn; } @@ -128,7 +126,6 @@ unsigned long __init free_low_memory_core_early(int nodeid) phys_addr_t start, end, size; u64 i; - reset_zone_present_pages(); for_each_free_mem_range(i, MAX_NUMNODES, &start, &end, NULL) count += __free_memory_core(start, end); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 5b74de6702e..7bb35ac0964 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4505,7 +4505,7 @@ static void __paginginit free_area_init_core(struct pglist_data *pgdat, zone->zone_pgdat = pgdat; zone_pcp_init(zone); - lruvec_init(&zone->lruvec, zone); + lruvec_init(&zone->lruvec); if (!size) continue; @@ -6098,37 +6098,3 @@ void dump_page(struct page *page) dump_page_flags(page->flags); mem_cgroup_print_bad_page(page); } - -/* reset zone->present_pages */ -void reset_zone_present_pages(void) -{ - struct zone *z; - int i, nid; - - for_each_node_state(nid, N_HIGH_MEMORY) { - for (i = 0; i < MAX_NR_ZONES; i++) { - z = NODE_DATA(nid)->node_zones + i; - z->present_pages = 0; - } - } -} - -/* calculate zone's present pages in buddy system */ -void fixup_zone_present_pages(int nid, unsigned long start_pfn, - unsigned long end_pfn) -{ - struct zone *z; - unsigned long zone_start_pfn, zone_end_pfn; - int i; - - for (i = 0; i < MAX_NR_ZONES; i++) { - z = NODE_DATA(nid)->node_zones + i; - zone_start_pfn = z->zone_start_pfn; - zone_end_pfn = zone_start_pfn + z->spanned_pages; - - /* if the two regions intersect */ - if (!(zone_start_pfn >= end_pfn || zone_end_pfn <= start_pfn)) - z->present_pages += min(end_pfn, zone_end_pfn) - - max(start_pfn, zone_start_pfn); - } -} diff --git a/mm/shmem.c b/mm/shmem.c index 67afba5117f..89341b658bd 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -643,7 +643,7 @@ static void shmem_evict_inode(struct inode *inode) kfree(info->symlink); simple_xattrs_free(&info->xattrs); - BUG_ON(inode->i_blocks); + WARN_ON(inode->i_blocks); shmem_free_inode(inode->i_sb); clear_inode(inode); } @@ -1145,8 +1145,20 @@ repeat: if (!error) { error = shmem_add_to_page_cache(page, mapping, index, gfp, swp_to_radix_entry(swap)); - /* We already confirmed swap, and make no allocation */ - VM_BUG_ON(error); + /* + * We already confirmed swap under page lock, and make + * no memory allocation here, so usually no possibility + * of error; but free_swap_and_cache() only trylocks a + * page, so it is just possible that the entry has been + * truncated or holepunched since swap was confirmed. + * shmem_undo_range() will have done some of the + * unaccounting, now delete_from_swap_cache() will do + * the rest (including mem_cgroup_uncharge_swapcache). + * Reset swap.val? No, leave it so "failed" goes back to + * "repeat": reading a hole and writing should succeed. + */ + if (error) + delete_from_swap_cache(page); } if (error) goto failed; diff --git a/mm/swapfile.c b/mm/swapfile.c index 71cd288b200..f91a25547ff 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1494,9 +1494,8 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) BUG_ON(!current->mm); pathname = getname(specialfile); - err = PTR_ERR(pathname); if (IS_ERR(pathname)) - goto out; + return PTR_ERR(pathname); victim = file_open_name(pathname, O_RDWR|O_LARGEFILE, 0); err = PTR_ERR(victim); @@ -1608,6 +1607,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) out_dput: filp_close(victim, NULL); out: + putname(pathname); return err; } diff --git a/mm/vmscan.c b/mm/vmscan.c index 2624edcfb42..48550c66f1f 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -1760,28 +1760,6 @@ static bool in_reclaim_compaction(struct scan_control *sc) return false; } -#ifdef CONFIG_COMPACTION -/* - * If compaction is deferred for sc->order then scale the number of pages - * reclaimed based on the number of consecutive allocation failures - */ -static unsigned long scale_for_compaction(unsigned long pages_for_compaction, - struct lruvec *lruvec, struct scan_control *sc) -{ - struct zone *zone = lruvec_zone(lruvec); - - if (zone->compact_order_failed <= sc->order) - pages_for_compaction <<= zone->compact_defer_shift; - return pages_for_compaction; -} -#else -static unsigned long scale_for_compaction(unsigned long pages_for_compaction, - struct lruvec *lruvec, struct scan_control *sc) -{ - return pages_for_compaction; -} -#endif - /* * Reclaim/compaction is used for high-order allocation requests. It reclaims * order-0 pages before compacting the zone. should_continue_reclaim() returns @@ -1829,9 +1807,6 @@ static inline bool should_continue_reclaim(struct lruvec *lruvec, * inactive lists are large enough, continue reclaiming */ pages_for_compaction = (2UL << sc->order); - - pages_for_compaction = scale_for_compaction(pages_for_compaction, - lruvec, sc); inactive_lru_pages = get_lru_size(lruvec, LRU_INACTIVE_FILE); if (nr_swap_pages > 0) inactive_lru_pages += get_lru_size(lruvec, LRU_INACTIVE_ANON); @@ -3017,6 +2992,8 @@ static int kswapd(void *p) &balanced_classzone_idx); } } + + current->reclaim_state = NULL; return 0; } diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index b9a28d2dd3e..ce0684a1fc8 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -325,6 +325,12 @@ void batadv_interface_rx(struct net_device *soft_iface, soft_iface->last_rx = jiffies; + /* Let the bridge loop avoidance check the packet. If will + * not handle it, we can safely push it up. + */ + if (batadv_bla_rx(bat_priv, skb, vid, is_bcast)) + goto out; + if (orig_node) batadv_tt_add_temporary_global_entry(bat_priv, orig_node, ethhdr->h_source); @@ -332,12 +338,6 @@ void batadv_interface_rx(struct net_device *soft_iface, if (batadv_is_ap_isolated(bat_priv, ethhdr->h_source, ethhdr->h_dest)) goto dropped; - /* Let the bridge loop avoidance check the packet. If will - * not handle it, we can safely push it up. - */ - if (batadv_bla_rx(bat_priv, skb, vid, is_bcast)) - goto out; - netif_rx(skb); goto out; diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 112edd371b2..baae7158580 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -769,6 +769,12 @@ int batadv_tt_global_add(struct batadv_priv *bat_priv, */ tt_global_entry->common.flags &= ~BATADV_TT_CLIENT_TEMP; + /* the change can carry possible "attribute" flags like the + * TT_CLIENT_WIFI, therefore they have to be copied in the + * client entry + */ + tt_global_entry->common.flags |= flags; + /* If there is the BATADV_TT_CLIENT_ROAM flag set, there is only * one originator left in the list and we previously received a * delete + roaming change for this originator. @@ -1496,7 +1502,7 @@ batadv_tt_response_fill_table(uint16_t tt_len, uint8_t ttvn, memcpy(tt_change->addr, tt_common_entry->addr, ETH_ALEN); - tt_change->flags = BATADV_NO_FLAGS; + tt_change->flags = tt_common_entry->flags; tt_count++; tt_change++; @@ -2450,6 +2456,13 @@ bool batadv_tt_add_temporary_global_entry(struct batadv_priv *bat_priv, { bool ret = false; + /* if the originator is a backbone node (meaning it belongs to the same + * LAN of this node) the temporary client must not be added because to + * reach such destination the node must use the LAN instead of the mesh + */ + if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig)) + goto out; + if (!batadv_tt_global_add(bat_priv, orig_node, addr, BATADV_TT_CLIENT_TEMP, atomic_read(&orig_node->last_ttvn))) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8a0ce706aeb..a0a2f97b9c6 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1754,11 +1754,11 @@ int hci_register_dev(struct hci_dev *hdev) if (hdev->dev_type != HCI_AMP) set_bit(HCI_AUTO_OFF, &hdev->dev_flags); - schedule_work(&hdev->power_on); - hci_notify(hdev, HCI_DEV_REG); hci_dev_hold(hdev); + schedule_work(&hdev->power_on); + return id; err_wqueue: diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index aa2ea0a8142..91de4239da6 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -326,7 +326,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, struct hci_dev *d; size_t rp_len; u16 count; - int i, err; + int err; BT_DBG("sock %p", sk); @@ -347,9 +347,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, return -ENOMEM; } - rp->num_controllers = cpu_to_le16(count); - - i = 0; + count = 0; list_for_each_entry(d, &hci_dev_list, list) { if (test_bit(HCI_SETUP, &d->dev_flags)) continue; @@ -357,10 +355,13 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, if (!mgmt_valid_hdev(d)) continue; - rp->index[i++] = cpu_to_le16(d->id); + rp->index[count++] = cpu_to_le16(d->id); BT_DBG("Added hci%u", d->id); } + rp->num_controllers = cpu_to_le16(count); + rp_len = sizeof(*rp) + (2 * count); + read_unlock(&hci_dev_list_lock); err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, @@ -1366,6 +1367,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, continue; list_del(&match->list); + kfree(match); found++; } diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 2ac8d50861e..a5923378bdf 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -267,7 +267,7 @@ static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send) clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->flags); mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type, - hcon->dst_type, reason); + hcon->dst_type, HCI_ERROR_AUTH_FAILURE); cancel_delayed_work_sync(&conn->security_timer); diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 159aa8bef9e..3ef1759403b 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -2300,10 +2300,11 @@ restart: mutex_unlock(&con->mutex); return; } else { - con->ops->put(con); dout("con_work %p FAILED to back off %lu\n", con, con->delay); + set_bit(CON_FLAG_BACKOFF, &con->flags); } + goto done; } if (con->state == CON_STATE_STANDBY) { @@ -2749,7 +2750,8 @@ static int ceph_con_in_msg_alloc(struct ceph_connection *con, int *skip) msg = con->ops->alloc_msg(con, hdr, skip); mutex_lock(&con->mutex); if (con->state != CON_STATE_OPEN) { - ceph_msg_put(msg); + if (msg) + ceph_msg_put(msg); return -EAGAIN; } con->in_msg = msg; diff --git a/net/core/dev.c b/net/core/dev.c index 09cb3f6dc40..c0946cb2b35 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1666,7 +1666,7 @@ static inline int deliver_skb(struct sk_buff *skb, static inline bool skb_loop_sk(struct packet_type *ptype, struct sk_buff *skb) { - if (ptype->af_packet_priv == NULL) + if (!ptype->af_packet_priv || !skb->sk) return false; if (ptype->id_match) @@ -2818,8 +2818,10 @@ static int get_rps_cpu(struct net_device *dev, struct sk_buff *skb, if (unlikely(tcpu != next_cpu) && (tcpu == RPS_NO_CPU || !cpu_online(tcpu) || ((int)(per_cpu(softnet_data, tcpu).input_queue_head - - rflow->last_qtail)) >= 0)) + rflow->last_qtail)) >= 0)) { + tcpu = next_cpu; rflow = set_rps_cpu(dev, skb, rflow, next_cpu); + } if (tcpu != RPS_NO_CPU && cpu_online(tcpu)) { *rflowp = rflow; diff --git a/net/core/dev_addr_lists.c b/net/core/dev_addr_lists.c index 87cc17db2d5..b079c7bbc15 100644 --- a/net/core/dev_addr_lists.c +++ b/net/core/dev_addr_lists.c @@ -319,7 +319,8 @@ int dev_addr_del(struct net_device *dev, const unsigned char *addr, */ ha = list_first_entry(&dev->dev_addrs.list, struct netdev_hw_addr, list); - if (ha->addr == dev->dev_addr && ha->refcount == 1) + if (!memcmp(ha->addr, addr, dev->addr_len) && + ha->type == addr_type && ha->refcount == 1) return -ENOENT; err = __hw_addr_del(&dev->dev_addrs, addr, dev->addr_len, diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 76d4c2c3c89..fad649ae4de 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -2192,7 +2192,8 @@ static int nlmsg_populate_fdb(struct sk_buff *skb, goto skip; err = nlmsg_populate_fdb_fill(skb, dev, ha->addr, - portid, seq, 0, NTF_SELF); + portid, seq, + RTM_NEWNEIGH, NTF_SELF); if (err < 0) return err; skip: diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c index 535584c00f9..0c34bfabc11 100644 --- a/net/ipv4/inet_diag.c +++ b/net/ipv4/inet_diag.c @@ -892,13 +892,16 @@ static int __inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb, struct inet_diag_req_v2 *r, struct nlattr *bc) { const struct inet_diag_handler *handler; + int err = 0; handler = inet_diag_lock_handler(r->sdiag_protocol); if (!IS_ERR(handler)) handler->dump(skb, cb, r, bc); + else + err = PTR_ERR(handler); inet_diag_unlock_handler(handler); - return skb->len; + return err ? : skb->len; } static int inet_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index 5eea4a81104..14bbfcf717a 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -457,19 +457,28 @@ static int do_ip_setsockopt(struct sock *sk, int level, struct inet_sock *inet = inet_sk(sk); int val = 0, err; - if (((1<<optname) & ((1<<IP_PKTINFO) | (1<<IP_RECVTTL) | - (1<<IP_RECVOPTS) | (1<<IP_RECVTOS) | - (1<<IP_RETOPTS) | (1<<IP_TOS) | - (1<<IP_TTL) | (1<<IP_HDRINCL) | - (1<<IP_MTU_DISCOVER) | (1<<IP_RECVERR) | - (1<<IP_ROUTER_ALERT) | (1<<IP_FREEBIND) | - (1<<IP_PASSSEC) | (1<<IP_TRANSPARENT) | - (1<<IP_MINTTL) | (1<<IP_NODEFRAG))) || - optname == IP_UNICAST_IF || - optname == IP_MULTICAST_TTL || - optname == IP_MULTICAST_ALL || - optname == IP_MULTICAST_LOOP || - optname == IP_RECVORIGDSTADDR) { + switch (optname) { + case IP_PKTINFO: + case IP_RECVTTL: + case IP_RECVOPTS: + case IP_RECVTOS: + case IP_RETOPTS: + case IP_TOS: + case IP_TTL: + case IP_HDRINCL: + case IP_MTU_DISCOVER: + case IP_RECVERR: + case IP_ROUTER_ALERT: + case IP_FREEBIND: + case IP_PASSSEC: + case IP_TRANSPARENT: + case IP_MINTTL: + case IP_NODEFRAG: + case IP_UNICAST_IF: + case IP_MULTICAST_TTL: + case IP_MULTICAST_ALL: + case IP_MULTICAST_LOOP: + case IP_RECVORIGDSTADDR: if (optlen >= sizeof(int)) { if (get_user(val, (int __user *) optval)) return -EFAULT; diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c index 1831092f999..858fddf6482 100644 --- a/net/ipv4/ip_vti.c +++ b/net/ipv4/ip_vti.c @@ -338,12 +338,17 @@ static int vti_rcv(struct sk_buff *skb) if (tunnel != NULL) { struct pcpu_tstats *tstats; + if (!xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) + return -1; + tstats = this_cpu_ptr(tunnel->dev->tstats); u64_stats_update_begin(&tstats->syncp); tstats->rx_packets++; tstats->rx_bytes += skb->len; u64_stats_update_end(&tstats->syncp); + skb->mark = 0; + secpath_reset(skb); skb->dev = tunnel->dev; return 1; } diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c index 9e0ffaf1d94..a82047282db 100644 --- a/net/ipv4/netfilter/iptable_nat.c +++ b/net/ipv4/netfilter/iptable_nat.c @@ -184,7 +184,8 @@ nf_nat_ipv4_out(unsigned int hooknum, if ((ct->tuplehash[dir].tuple.src.u3.ip != ct->tuplehash[!dir].tuple.dst.u3.ip) || - (ct->tuplehash[dir].tuple.src.u.all != + (ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMP && + ct->tuplehash[dir].tuple.src.u.all != ct->tuplehash[!dir].tuple.dst.u.all)) if (nf_xfrm_me_harder(skb, AF_INET) < 0) ret = NF_DROP; @@ -221,6 +222,7 @@ nf_nat_ipv4_local_fn(unsigned int hooknum, } #ifdef CONFIG_XFRM else if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) && + ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMP && ct->tuplehash[dir].tuple.dst.u.all != ct->tuplehash[!dir].tuple.src.u.all) if (nf_xfrm_me_harder(skb, AF_INET) < 0) diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 197c0008503..083092e3aed 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1212,7 +1212,7 @@ new_segment: wait_for_sndbuf: set_bit(SOCK_NOSPACE, &sk->sk_socket->flags); wait_for_memory: - if (copied && likely(!tp->repair)) + if (copied) tcp_push(sk, flags & ~MSG_MORE, mss_now, TCP_NAGLE_PUSH); if ((err = sk_stream_wait_memory(sk, &timeo)) != 0) @@ -1223,7 +1223,7 @@ wait_for_memory: } out: - if (copied && likely(!tp->repair)) + if (copied) tcp_push(sk, flags, mss_now, tp->nonagle); release_sock(sk); return copied + copied_syn; diff --git a/net/ipv4/tcp_illinois.c b/net/ipv4/tcp_illinois.c index 813b43a76fe..834857f3c87 100644 --- a/net/ipv4/tcp_illinois.c +++ b/net/ipv4/tcp_illinois.c @@ -313,11 +313,13 @@ static void tcp_illinois_info(struct sock *sk, u32 ext, .tcpv_rttcnt = ca->cnt_rtt, .tcpv_minrtt = ca->base_rtt, }; - u64 t = ca->sum_rtt; - do_div(t, ca->cnt_rtt); - info.tcpv_rtt = t; + if (info.tcpv_rttcnt > 0) { + u64 t = ca->sum_rtt; + do_div(t, info.tcpv_rttcnt); + info.tcpv_rtt = t; + } nla_put(skb, INET_DIAG_VEGASINFO, sizeof(info), &info); } } diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 1db66398358..609ff98aeb4 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -4529,6 +4529,9 @@ int tcp_send_rcvq(struct sock *sk, struct msghdr *msg, size_t size) struct tcphdr *th; bool fragstolen; + if (size == 0) + return 0; + skb = alloc_skb(size + sizeof(*th), sk->sk_allocation); if (!skb) goto err; @@ -5310,11 +5313,6 @@ static bool tcp_validate_incoming(struct sock *sk, struct sk_buff *skb, goto discard; } - /* ts_recent update must be made after we are sure that the packet - * is in window. - */ - tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); - /* step 3: check security and precedence [ignored] */ /* step 4: Check for a SYN @@ -5549,6 +5547,11 @@ step5: if (th->ack && tcp_ack(sk, skb, FLAG_SLOWPATH) < 0) goto discard; + /* ts_recent update must be made after we are sure that the packet + * is in window. + */ + tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); + tcp_rcv_rtt_measure_ts(sk, skb); /* Process urgent data. */ @@ -6127,6 +6130,11 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, } else goto discard; + /* ts_recent update must be made after we are sure that the packet + * is in window. + */ + tcp_replace_ts_recent(tp, TCP_SKB_CB(skb)->seq); + /* step 6: check the URG bit */ tcp_urg(sk, skb, th); diff --git a/net/ipv4/tcp_metrics.c b/net/ipv4/tcp_metrics.c index 4c752a6e0bc..f696d7c2e9f 100644 --- a/net/ipv4/tcp_metrics.c +++ b/net/ipv4/tcp_metrics.c @@ -1,7 +1,6 @@ #include <linux/rcupdate.h> #include <linux/spinlock.h> #include <linux/jiffies.h> -#include <linux/bootmem.h> #include <linux/module.h> #include <linux/cache.h> #include <linux/slab.h> @@ -9,6 +8,7 @@ #include <linux/tcp.h> #include <linux/hash.h> #include <linux/tcp_metrics.h> +#include <linux/vmalloc.h> #include <net/inet_connection_sock.h> #include <net/net_namespace.h> @@ -864,7 +864,7 @@ static int parse_nl_addr(struct genl_info *info, struct inetpeer_addr *addr, } a = info->attrs[TCP_METRICS_ATTR_ADDR_IPV6]; if (a) { - if (nla_len(a) != sizeof(sizeof(struct in6_addr))) + if (nla_len(a) != sizeof(struct in6_addr)) return -EINVAL; addr->family = AF_INET6; memcpy(addr->addr.a6, nla_data(a), sizeof(addr->addr.a6)); @@ -1034,7 +1034,10 @@ static int __net_init tcp_net_metrics_init(struct net *net) net->ipv4.tcp_metrics_hash_log = order_base_2(slots); size = sizeof(struct tcpm_hash_bucket) << net->ipv4.tcp_metrics_hash_log; - net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL); + net->ipv4.tcp_metrics_hash = kzalloc(size, GFP_KERNEL | __GFP_NOWARN); + if (!net->ipv4.tcp_metrics_hash) + net->ipv4.tcp_metrics_hash = vzalloc(size); + if (!net->ipv4.tcp_metrics_hash) return -ENOMEM; @@ -1055,7 +1058,10 @@ static void __net_exit tcp_net_metrics_exit(struct net *net) tm = next; } } - kfree(net->ipv4.tcp_metrics_hash); + if (is_vmalloc_addr(net->ipv4.tcp_metrics_hash)) + vfree(net->ipv4.tcp_metrics_hash); + else + kfree(net->ipv4.tcp_metrics_hash); } static __net_initdata struct pernet_operations tcp_net_metrics_ops = { diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index cfe6ffe1c17..2798706cb06 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -1986,6 +1986,9 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, tso_segs = tcp_init_tso_segs(sk, skb, mss_now); BUG_ON(!tso_segs); + if (unlikely(tp->repair) && tp->repair_queue == TCP_SEND_QUEUE) + goto repair; /* Skip network transmission */ + cwnd_quota = tcp_cwnd_test(tp, skb); if (!cwnd_quota) break; @@ -2026,6 +2029,7 @@ static bool tcp_write_xmit(struct sock *sk, unsigned int mss_now, int nonagle, if (unlikely(tcp_transmit_skb(sk, skb, 1, gfp))) break; +repair: /* Advance the send_head. This one is sent out. * This call will increment packets_out. */ diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c index 0185679c5f5..d5cb3c4e66f 100644 --- a/net/ipv6/ip6_gre.c +++ b/net/ipv6/ip6_gre.c @@ -1633,9 +1633,9 @@ static size_t ip6gre_get_size(const struct net_device *dev) /* IFLA_GRE_OKEY */ nla_total_size(4) + /* IFLA_GRE_LOCAL */ - nla_total_size(4) + + nla_total_size(sizeof(struct in6_addr)) + /* IFLA_GRE_REMOTE */ - nla_total_size(4) + + nla_total_size(sizeof(struct in6_addr)) + /* IFLA_GRE_TTL */ nla_total_size(1) + /* IFLA_GRE_TOS */ @@ -1659,8 +1659,8 @@ static int ip6gre_fill_info(struct sk_buff *skb, const struct net_device *dev) nla_put_be16(skb, IFLA_GRE_OFLAGS, p->o_flags) || nla_put_be32(skb, IFLA_GRE_IKEY, p->i_key) || nla_put_be32(skb, IFLA_GRE_OKEY, p->o_key) || - nla_put(skb, IFLA_GRE_LOCAL, sizeof(struct in6_addr), &p->raddr) || - nla_put(skb, IFLA_GRE_REMOTE, sizeof(struct in6_addr), &p->laddr) || + nla_put(skb, IFLA_GRE_LOCAL, sizeof(struct in6_addr), &p->laddr) || + nla_put(skb, IFLA_GRE_REMOTE, sizeof(struct in6_addr), &p->raddr) || nla_put_u8(skb, IFLA_GRE_TTL, p->hop_limit) || /*nla_put_u8(skb, IFLA_GRE_TOS, t->priority) ||*/ nla_put_u8(skb, IFLA_GRE_ENCAP_LIMIT, p->encap_limit) || diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index ba6d13d1f1e..e02faed6d17 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -827,6 +827,7 @@ pref_skip_coa: if (val < 0 || val > 255) goto e_inval; np->min_hopcount = val; + retv = 0; break; case IPV6_DONTFRAG: np->dontfrag = valbool; diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c index ff36194a71a..2edce30ef73 100644 --- a/net/ipv6/ndisc.c +++ b/net/ipv6/ndisc.c @@ -535,7 +535,7 @@ static void ndisc_send_unsol_na(struct net_device *dev) { struct inet6_dev *idev; struct inet6_ifaddr *ifa; - struct in6_addr mcaddr; + struct in6_addr mcaddr = IN6ADDR_LINKLOCAL_ALLNODES_INIT; idev = in6_dev_get(dev); if (!idev) @@ -543,7 +543,6 @@ static void ndisc_send_unsol_na(struct net_device *dev) read_lock_bh(&idev->lock); list_for_each_entry(ifa, &idev->addr_list, if_list) { - addrconf_addr_solict_mult(&ifa->addr, &mcaddr); ndisc_send_na(dev, NULL, &mcaddr, &ifa->addr, /*router=*/ !!idev->cnf.forwarding, /*solicited=*/ false, /*override=*/ true, diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c index e418bd6350a..d57dab17a18 100644 --- a/net/ipv6/netfilter/ip6table_nat.c +++ b/net/ipv6/netfilter/ip6table_nat.c @@ -186,7 +186,8 @@ nf_nat_ipv6_out(unsigned int hooknum, if (!nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.src.u3, &ct->tuplehash[!dir].tuple.dst.u3) || - (ct->tuplehash[dir].tuple.src.u.all != + (ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMPV6 && + ct->tuplehash[dir].tuple.src.u.all != ct->tuplehash[!dir].tuple.dst.u.all)) if (nf_xfrm_me_harder(skb, AF_INET6) < 0) ret = NF_DROP; @@ -222,6 +223,7 @@ nf_nat_ipv6_local_fn(unsigned int hooknum, } #ifdef CONFIG_XFRM else if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) && + ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMPV6 && ct->tuplehash[dir].tuple.dst.u.all != ct->tuplehash[!dir].tuple.src.u.all) if (nf_xfrm_me_harder(skb, AF_INET6)) diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c index 18bd9bbbd1c..22c8ea95118 100644 --- a/net/ipv6/netfilter/nf_conntrack_reasm.c +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c @@ -85,7 +85,7 @@ static struct ctl_table nf_ct_frag6_sysctl_table[] = { { } }; -static int __net_init nf_ct_frag6_sysctl_register(struct net *net) +static int nf_ct_frag6_sysctl_register(struct net *net) { struct ctl_table *table; struct ctl_table_header *hdr; @@ -127,7 +127,7 @@ static void __net_exit nf_ct_frags6_sysctl_unregister(struct net *net) } #else -static int __net_init nf_ct_frag6_sysctl_register(struct net *net) +static int nf_ct_frag6_sysctl_register(struct net *net) { return 0; } diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 37b8b8ba31f..76125c57ee6 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -291,6 +291,7 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p out_del_dev: free_netdev(dev); + spriv->dev = NULL; out_del_session: l2tp_session_delete(session); out: diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 05f3a313db8..7371f676cf4 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2594,6 +2594,9 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, else local->probe_req_reg--; + if (!local->open_count) + break; + ieee80211_queue_work(&local->hw, &local->reconfig_filter); break; default: diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c index 5f3620f0bc0..bf87c70ac6c 100644 --- a/net/mac80211/ibss.c +++ b/net/mac80211/ibss.c @@ -1108,7 +1108,7 @@ int ieee80211_ibss_join(struct ieee80211_sub_if_data *sdata, sdata->u.ibss.state = IEEE80211_IBSS_MLME_SEARCH; sdata->u.ibss.ibss_join_req = jiffies; - memcpy(sdata->u.ibss.ssid, params->ssid, IEEE80211_MAX_SSID_LEN); + memcpy(sdata->u.ibss.ssid, params->ssid, params->ssid_len); sdata->u.ibss.ssid_len = params->ssid_len; mutex_unlock(&sdata->u.ibss.mtx); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8c804550465..156e5835e37 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1314,6 +1314,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); +void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, + struct sk_buff_head *skbs); /* HT */ void ieee80211_apply_htcap_overrides(struct ieee80211_sub_if_data *sdata, diff --git a/net/mac80211/main.c b/net/mac80211/main.c index c80c4490351..f57f597972f 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -871,8 +871,10 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) local->hw.wiphy->cipher_suites, sizeof(u32) * local->hw.wiphy->n_cipher_suites, GFP_KERNEL); - if (!suites) - return -ENOMEM; + if (!suites) { + result = -ENOMEM; + goto fail_wiphy_register; + } for (r = 0; r < local->hw.wiphy->n_cipher_suites; r++) { u32 suite = local->hw.wiphy->cipher_suites[r]; if (suite == WLAN_CIPHER_SUITE_WEP40 || diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 61c621e9273..00ade7feb2e 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -531,6 +531,11 @@ ieee80211_rx_mesh_check(struct ieee80211_rx_data *rx) if (ieee80211_is_action(hdr->frame_control)) { u8 category; + + /* make sure category field is present */ + if (rx->skb->len < IEEE80211_MIN_ACTION_SIZE) + return RX_DROP_MONITOR; + mgmt = (struct ieee80211_mgmt *)hdr; category = mgmt->u.action.category; if (category != WLAN_CATEGORY_MESH_ACTION && @@ -883,14 +888,16 @@ ieee80211_rx_h_check(struct ieee80211_rx_data *rx) */ if (rx->sta && rx->sdata->vif.type == NL80211_IFTYPE_STATION && ieee80211_is_data_present(hdr->frame_control)) { - u16 ethertype; - u8 *payload; - - payload = rx->skb->data + - ieee80211_hdrlen(hdr->frame_control); - ethertype = (payload[6] << 8) | payload[7]; - if (cpu_to_be16(ethertype) == - rx->sdata->control_port_protocol) + unsigned int hdrlen; + __be16 ethertype; + + hdrlen = ieee80211_hdrlen(hdr->frame_control); + + if (rx->skb->len < hdrlen + 8) + return RX_DROP_MONITOR; + + skb_copy_bits(rx->skb, hdrlen + 6, ðertype, 2); + if (ethertype == rx->sdata->control_port_protocol) return RX_CONTINUE; } @@ -1462,11 +1469,14 @@ ieee80211_rx_h_defragment(struct ieee80211_rx_data *rx) hdr = (struct ieee80211_hdr *)rx->skb->data; fc = hdr->frame_control; + + if (ieee80211_is_ctl(fc)) + return RX_CONTINUE; + sc = le16_to_cpu(hdr->seq_ctrl); frag = sc & IEEE80211_SCTL_FRAG; if (likely((!ieee80211_has_morefrags(fc) && frag == 0) || - (rx->skb)->len < 24 || is_multicast_ether_addr(hdr->addr1))) { /* not fragmented */ goto out; @@ -1889,6 +1899,20 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) hdr = (struct ieee80211_hdr *) skb->data; hdrlen = ieee80211_hdrlen(hdr->frame_control); + + /* make sure fixed part of mesh header is there, also checks skb len */ + if (!pskb_may_pull(rx->skb, hdrlen + 6)) + return RX_DROP_MONITOR; + + mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); + + /* make sure full mesh header is there, also checks skb len */ + if (!pskb_may_pull(rx->skb, + hdrlen + ieee80211_get_mesh_hdrlen(mesh_hdr))) + return RX_DROP_MONITOR; + + /* reload pointers */ + hdr = (struct ieee80211_hdr *) skb->data; mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); /* frame is in RMC, don't forward */ @@ -1897,7 +1921,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) mesh_rmc_check(hdr->addr3, mesh_hdr, rx->sdata)) return RX_DROP_MONITOR; - if (!ieee80211_is_data(hdr->frame_control)) + if (!ieee80211_is_data(hdr->frame_control) || + !(status->rx_flags & IEEE80211_RX_RA_MATCH)) return RX_CONTINUE; if (!mesh_hdr->ttl) @@ -1911,9 +1936,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) if (is_multicast_ether_addr(hdr->addr1)) { mpp_addr = hdr->addr3; proxied_addr = mesh_hdr->eaddr1; - } else { + } else if (mesh_hdr->flags & MESH_FLAGS_AE_A5_A6) { + /* has_a4 already checked in ieee80211_rx_mesh_check */ mpp_addr = hdr->addr4; proxied_addr = mesh_hdr->eaddr2; + } else { + return RX_DROP_MONITOR; } rcu_read_lock(); @@ -1941,12 +1969,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) } skb_set_queue_mapping(skb, q); - if (!(status->rx_flags & IEEE80211_RX_RA_MATCH)) - goto out; - if (!--mesh_hdr->ttl) { IEEE80211_IFSTA_MESH_CTR_INC(ifmsh, dropped_frames_ttl); - return RX_DROP_MONITOR; + goto out; } if (!ifmsh->mshcfg.dot11MeshForwarding) @@ -2353,6 +2378,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_SELF_PROTECTED: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.self_prot.action_code))) + break; + switch (mgmt->u.action.u.self_prot.action_code) { case WLAN_SP_MESH_PEERING_OPEN: case WLAN_SP_MESH_PEERING_CLOSE: @@ -2371,6 +2400,10 @@ ieee80211_rx_h_action(struct ieee80211_rx_data *rx) } break; case WLAN_CATEGORY_MESH_ACTION: + if (len < (IEEE80211_MIN_ACTION_SIZE + + sizeof(mgmt->u.action.u.mesh_action.action_code))) + break; + if (!ieee80211_vif_is_mesh(&sdata->vif)) break; if (mesh_action_is_path_sel(mgmt) && @@ -2913,10 +2946,15 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc)) local->dot11ReceivedFragmentCount++; - if (ieee80211_is_mgmt(fc)) - err = skb_linearize(skb); - else + if (ieee80211_is_mgmt(fc)) { + /* drop frame if too short for header */ + if (skb->len < ieee80211_hdrlen(fc)) + err = -ENOBUFS; + else + err = skb_linearize(skb); + } else { err = !pskb_may_pull(skb, ieee80211_hdrlen(fc)); + } if (err) { dev_kfree_skb(skb); diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index c4cdbde24fd..43e60b5a754 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -917,7 +917,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, struct cfg80211_sched_scan_request *req) { struct ieee80211_local *local = sdata->local; - struct ieee80211_sched_scan_ies sched_scan_ies; + struct ieee80211_sched_scan_ies sched_scan_ies = {}; int ret, i; mutex_lock(&local->mtx); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 0a4e4c04db8..d2eb64e1235 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -117,8 +117,8 @@ static void free_sta_work(struct work_struct *wk) for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { local->total_ps_buffered -= skb_queue_len(&sta->ps_tx_buf[ac]); - __skb_queue_purge(&sta->ps_tx_buf[ac]); - __skb_queue_purge(&sta->tx_filtered[ac]); + ieee80211_purge_tx_queue(&local->hw, &sta->ps_tx_buf[ac]); + ieee80211_purge_tx_queue(&local->hw, &sta->tx_filtered[ac]); } #ifdef CONFIG_MAC80211_MESH @@ -141,7 +141,7 @@ static void free_sta_work(struct work_struct *wk) tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]); if (!tid_tx) continue; - __skb_queue_purge(&tid_tx->pending); + ieee80211_purge_tx_queue(&local->hw, &tid_tx->pending); kfree(tid_tx); } @@ -961,6 +961,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) struct ieee80211_local *local = sdata->local; struct sk_buff_head pending; int filtered = 0, buffered = 0, ac; + unsigned long flags; clear_sta_flag(sta, WLAN_STA_SP); @@ -976,12 +977,16 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta) for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { int count = skb_queue_len(&pending), tmp; + spin_lock_irqsave(&sta->tx_filtered[ac].lock, flags); skb_queue_splice_tail_init(&sta->tx_filtered[ac], &pending); + spin_unlock_irqrestore(&sta->tx_filtered[ac].lock, flags); tmp = skb_queue_len(&pending); filtered += tmp - count; count = tmp; + spin_lock_irqsave(&sta->ps_tx_buf[ac].lock, flags); skb_queue_splice_tail_init(&sta->ps_tx_buf[ac], &pending); + spin_unlock_irqrestore(&sta->ps_tx_buf[ac].lock, flags); tmp = skb_queue_len(&pending); buffered += tmp - count; } diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 3af0cc4130f..101eb88a2b7 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -668,3 +668,12 @@ void ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb) dev_kfree_skb_any(skb); } EXPORT_SYMBOL(ieee80211_free_txskb); + +void ieee80211_purge_tx_queue(struct ieee80211_hw *hw, + struct sk_buff_head *skbs) +{ + struct sk_buff *skb; + + while ((skb = __skb_dequeue(skbs))) + ieee80211_free_txskb(hw, skb); +} diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index c9bf83f3665..b858ebe41fd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1358,7 +1358,7 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx) if (tx->skb) ieee80211_free_txskb(&tx->local->hw, tx->skb); else - __skb_queue_purge(&tx->skbs); + ieee80211_purge_tx_queue(&tx->local->hw, &tx->skbs); return -1; } else if (unlikely(res == TX_QUEUED)) { I802_DEBUG_INC(tx->local->tx_handlers_queued); @@ -2120,10 +2120,13 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, */ void ieee80211_clear_tx_pending(struct ieee80211_local *local) { + struct sk_buff *skb; int i; - for (i = 0; i < local->hw.queues; i++) - skb_queue_purge(&local->pending[i]); + for (i = 0; i < local->hw.queues; i++) { + while ((skb = skb_dequeue(&local->pending[i])) != NULL) + ieee80211_free_txskb(&local->hw, skb); + } } /* diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 94e58687397..0151ae33c4c 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -643,13 +643,41 @@ u32 ieee802_11_parse_elems_crc(u8 *start, size_t len, break; } - if (id != WLAN_EID_VENDOR_SPECIFIC && - id != WLAN_EID_QUIET && - test_bit(id, seen_elems)) { - elems->parse_error = true; - left -= elen; - pos += elen; - continue; + switch (id) { + case WLAN_EID_SSID: + case WLAN_EID_SUPP_RATES: + case WLAN_EID_FH_PARAMS: + case WLAN_EID_DS_PARAMS: + case WLAN_EID_CF_PARAMS: + case WLAN_EID_TIM: + case WLAN_EID_IBSS_PARAMS: + case WLAN_EID_CHALLENGE: + case WLAN_EID_RSN: + case WLAN_EID_ERP_INFO: + case WLAN_EID_EXT_SUPP_RATES: + case WLAN_EID_HT_CAPABILITY: + case WLAN_EID_HT_OPERATION: + case WLAN_EID_VHT_CAPABILITY: + case WLAN_EID_VHT_OPERATION: + case WLAN_EID_MESH_ID: + case WLAN_EID_MESH_CONFIG: + case WLAN_EID_PEER_MGMT: + case WLAN_EID_PREQ: + case WLAN_EID_PREP: + case WLAN_EID_PERR: + case WLAN_EID_RANN: + case WLAN_EID_CHANNEL_SWITCH: + case WLAN_EID_EXT_CHANSWITCH_ANN: + case WLAN_EID_COUNTRY: + case WLAN_EID_PWR_CONSTRAINT: + case WLAN_EID_TIMEOUT_INTERVAL: + if (test_bit(id, seen_elems)) { + elems->parse_error = true; + left -= elen; + pos += elen; + continue; + } + break; } if (calc_crc && id < 64 && (filter & (1ULL << id))) @@ -1463,6 +1491,8 @@ int ieee80211_reconfig(struct ieee80211_local *local) list_for_each_entry(sdata, &local->interfaces, list) { if (sdata->vif.type != NL80211_IFTYPE_STATION) continue; + if (!sdata->u.mgd.associated) + continue; ieee80211_send_nullfunc(local, sdata, 0); } diff --git a/net/netfilter/nf_conntrack_h323_main.c b/net/netfilter/nf_conntrack_h323_main.c index 1b30b0dee70..962795e839a 100644 --- a/net/netfilter/nf_conntrack_h323_main.c +++ b/net/netfilter/nf_conntrack_h323_main.c @@ -753,7 +753,8 @@ static int callforward_do_filter(const union nf_inet_addr *src, flowi4_to_flowi(&fl1), false)) { if (!afinfo->route(&init_net, (struct dst_entry **)&rt2, flowi4_to_flowi(&fl2), false)) { - if (rt1->rt_gateway == rt2->rt_gateway && + if (rt_nexthop(rt1, fl1.daddr) == + rt_nexthop(rt2, fl2.daddr) && rt1->dst.dev == rt2->dst.dev) ret = 1; dst_release(&rt2->dst); diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c index f0dd83cff90..9687fa1c227 100644 --- a/net/sched/sch_qfq.c +++ b/net/sched/sch_qfq.c @@ -84,18 +84,19 @@ * grp->index is the index of the group; and grp->slot_shift * is the shift for the corresponding (scaled) sigma_i. */ -#define QFQ_MAX_INDEX 19 -#define QFQ_MAX_WSHIFT 16 +#define QFQ_MAX_INDEX 24 +#define QFQ_MAX_WSHIFT 12 #define QFQ_MAX_WEIGHT (1<<QFQ_MAX_WSHIFT) -#define QFQ_MAX_WSUM (2*QFQ_MAX_WEIGHT) +#define QFQ_MAX_WSUM (16*QFQ_MAX_WEIGHT) #define FRAC_BITS 30 /* fixed point arithmetic */ #define ONE_FP (1UL << FRAC_BITS) #define IWSUM (ONE_FP/QFQ_MAX_WSUM) -#define QFQ_MTU_SHIFT 11 +#define QFQ_MTU_SHIFT 16 /* to support TSO/GSO */ #define QFQ_MIN_SLOT_SHIFT (FRAC_BITS + QFQ_MTU_SHIFT - QFQ_MAX_INDEX) +#define QFQ_MIN_LMAX 256 /* min possible lmax for a class */ /* * Possible group states. These values are used as indexes for the bitmaps @@ -231,6 +232,32 @@ static void qfq_update_class_params(struct qfq_sched *q, struct qfq_class *cl, q->wsum += delta_w; } +static void qfq_update_reactivate_class(struct qfq_sched *q, + struct qfq_class *cl, + u32 inv_w, u32 lmax, int delta_w) +{ + bool need_reactivation = false; + int i = qfq_calc_index(inv_w, lmax); + + if (&q->groups[i] != cl->grp && cl->qdisc->q.qlen > 0) { + /* + * shift cl->F back, to not charge the + * class for the not-yet-served head + * packet + */ + cl->F = cl->S; + /* remove class from its slot in the old group */ + qfq_deactivate_class(q, cl); + need_reactivation = true; + } + + qfq_update_class_params(q, cl, lmax, inv_w, delta_w); + + if (need_reactivation) /* activate in new group */ + qfq_activate_class(q, cl, qdisc_peek_len(cl->qdisc)); +} + + static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **tca, unsigned long *arg) { @@ -238,7 +265,7 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct qfq_class *cl = (struct qfq_class *)*arg; struct nlattr *tb[TCA_QFQ_MAX + 1]; u32 weight, lmax, inv_w; - int i, err; + int err; int delta_w; if (tca[TCA_OPTIONS] == NULL) { @@ -270,16 +297,14 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, if (tb[TCA_QFQ_LMAX]) { lmax = nla_get_u32(tb[TCA_QFQ_LMAX]); - if (!lmax || lmax > (1UL << QFQ_MTU_SHIFT)) { + if (lmax < QFQ_MIN_LMAX || lmax > (1UL << QFQ_MTU_SHIFT)) { pr_notice("qfq: invalid max length %u\n", lmax); return -EINVAL; } } else - lmax = 1UL << QFQ_MTU_SHIFT; + lmax = psched_mtu(qdisc_dev(sch)); if (cl != NULL) { - bool need_reactivation = false; - if (tca[TCA_RATE]) { err = gen_replace_estimator(&cl->bstats, &cl->rate_est, qdisc_root_sleeping_lock(sch), @@ -291,24 +316,8 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, if (lmax == cl->lmax && inv_w == cl->inv_w) return 0; /* nothing to update */ - i = qfq_calc_index(inv_w, lmax); sch_tree_lock(sch); - if (&q->groups[i] != cl->grp && cl->qdisc->q.qlen > 0) { - /* - * shift cl->F back, to not charge the - * class for the not-yet-served head - * packet - */ - cl->F = cl->S; - /* remove class from its slot in the old group */ - qfq_deactivate_class(q, cl); - need_reactivation = true; - } - - qfq_update_class_params(q, cl, lmax, inv_w, delta_w); - - if (need_reactivation) /* activate in new group */ - qfq_activate_class(q, cl, qdisc_peek_len(cl->qdisc)); + qfq_update_reactivate_class(q, cl, inv_w, lmax, delta_w); sch_tree_unlock(sch); return 0; @@ -663,15 +672,48 @@ static void qfq_make_eligible(struct qfq_sched *q, u64 old_V) /* - * XXX we should make sure that slot becomes less than 32. - * This is guaranteed by the input values. - * roundedS is always cl->S rounded on grp->slot_shift bits. + * If the weight and lmax (max_pkt_size) of the classes do not change, + * then QFQ guarantees that the slot index is never higher than + * 2 + ((1<<QFQ_MTU_SHIFT)/QFQ_MIN_LMAX) * (QFQ_MAX_WEIGHT/QFQ_MAX_WSUM). + * + * With the current values of the above constants, the index is + * then guaranteed to never be higher than 2 + 256 * (1 / 16) = 18. + * + * When the weight of a class is increased or the lmax of the class is + * decreased, a new class with smaller slot size may happen to be + * activated. The activation of this class should be properly delayed + * to when the service of the class has finished in the ideal system + * tracked by QFQ. If the activation of the class is not delayed to + * this reference time instant, then this class may be unjustly served + * before other classes waiting for service. This may cause + * (unfrequently) the above bound to the slot index to be violated for + * some of these unlucky classes. + * + * Instead of delaying the activation of the new class, which is quite + * complex, the following inaccurate but simple solution is used: if + * the slot index is higher than QFQ_MAX_SLOTS-2, then the timestamps + * of the class are shifted backward so as to let the slot index + * become equal to QFQ_MAX_SLOTS-2. This threshold is used because, if + * the slot index is above it, then the data structure implementing + * the bucket list either gets immediately corrupted or may get + * corrupted on a possible next packet arrival that causes the start + * time of the group to be shifted backward. */ static void qfq_slot_insert(struct qfq_group *grp, struct qfq_class *cl, u64 roundedS) { u64 slot = (roundedS - grp->S) >> grp->slot_shift; - unsigned int i = (grp->front + slot) % QFQ_MAX_SLOTS; + unsigned int i; /* slot index in the bucket list */ + + if (unlikely(slot > QFQ_MAX_SLOTS - 2)) { + u64 deltaS = roundedS - grp->S - + ((u64)(QFQ_MAX_SLOTS - 2)<<grp->slot_shift); + cl->S -= deltaS; + cl->F -= deltaS; + slot = QFQ_MAX_SLOTS - 2; + } + + i = (grp->front + slot) % QFQ_MAX_SLOTS; hlist_add_head(&cl->next, &grp->slots[i]); __set_bit(slot, &grp->full_slots); @@ -892,6 +934,13 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch) } pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid); + if (unlikely(cl->lmax < qdisc_pkt_len(skb))) { + pr_debug("qfq: increasing maxpkt from %u to %u for class %u", + cl->lmax, qdisc_pkt_len(skb), cl->common.classid); + qfq_update_reactivate_class(q, cl, cl->inv_w, + qdisc_pkt_len(skb), 0); + } + err = qdisc_enqueue(skb, cl->qdisc); if (unlikely(err != NET_XMIT_SUCCESS)) { pr_debug("qfq_enqueue: enqueue failed %d\n", err); diff --git a/net/sctp/proc.c b/net/sctp/proc.c index c3bea269faf..9966e7b1645 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -102,7 +102,7 @@ static const struct file_operations sctp_snmp_seq_fops = { .open = sctp_snmp_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = single_release, + .release = single_release_net, }; /* Set up the proc fs entry for 'snmp' object. */ @@ -251,7 +251,7 @@ static const struct file_operations sctp_eps_seq_fops = { .open = sctp_eps_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = seq_release_net, }; /* Set up the proc fs entry for 'eps' object. */ @@ -372,7 +372,7 @@ static const struct file_operations sctp_assocs_seq_fops = { .open = sctp_assocs_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = seq_release_net, }; /* Set up the proc fs entry for 'assocs' object. */ @@ -517,7 +517,7 @@ static const struct file_operations sctp_remaddr_seq_fops = { .open = sctp_remaddr_seq_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = seq_release_net, }; int __net_init sctp_remaddr_proc_init(struct net *net) diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 59d16ea927f..a60d1f8b41c 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -974,7 +974,7 @@ SCTP_STATIC int sctp_setsockopt_bindx(struct sock* sk, void *addr_buf; struct sctp_af *af; - SCTP_DEBUG_PRINTK("sctp_setsocktopt_bindx: sk %p addrs %p" + SCTP_DEBUG_PRINTK("sctp_setsockopt_bindx: sk %p addrs %p" " addrs_size %d opt %d\n", sk, addrs, addrs_size, op); if (unlikely(addrs_size <= 0)) diff --git a/net/sunrpc/backchannel_rqst.c b/net/sunrpc/backchannel_rqst.c index 5a3d675d2f2..a9c0bbccad6 100644 --- a/net/sunrpc/backchannel_rqst.c +++ b/net/sunrpc/backchannel_rqst.c @@ -172,7 +172,7 @@ out_free: xprt_free_allocation(req); dprintk("RPC: setup backchannel transport failed\n"); - return -1; + return -ENOMEM; } EXPORT_SYMBOL_GPL(xprt_setup_backchannel); diff --git a/net/tipc/handler.c b/net/tipc/handler.c index 111ff8300ae..b36f0fcd9bd 100644 --- a/net/tipc/handler.c +++ b/net/tipc/handler.c @@ -116,7 +116,6 @@ void tipc_handler_stop(void) return; handler_enabled = 0; - tasklet_disable(&tipc_tasklet); tasklet_kill(&tipc_tasklet); spin_lock_bh(&qitem_lock); diff --git a/net/wireless/core.c b/net/wireless/core.c index 443d4d7deea..3f725305208 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -526,8 +526,7 @@ int wiphy_register(struct wiphy *wiphy) for (i = 0; i < sband->n_channels; i++) { sband->channels[i].orig_flags = sband->channels[i].flags; - sband->channels[i].orig_mag = - sband->channels[i].max_antenna_gain; + sband->channels[i].orig_mag = INT_MAX; sband->channels[i].orig_mpwr = sband->channels[i].max_power; sband->channels[i].band = band; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 3b8cbbc214d..b75756b05af 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -141,9 +141,8 @@ static const struct ieee80211_regdomain world_regdom = { .reg_rules = { /* IEEE 802.11b/g, channels 1..11 */ REG_RULE(2412-10, 2462+10, 40, 6, 20, 0), - /* IEEE 802.11b/g, channels 12..13. No HT40 - * channel fits here. */ - REG_RULE(2467-10, 2472+10, 20, 6, 20, + /* IEEE 802.11b/g, channels 12..13. */ + REG_RULE(2467-10, 2472+10, 40, 6, 20, NL80211_RRF_PASSIVE_SCAN | NL80211_RRF_NO_IBSS), /* IEEE 802.11 channel 14 - Only JP enables @@ -908,7 +907,7 @@ static void handle_channel(struct wiphy *wiphy, map_regdom_flags(reg_rule->flags) | bw_flags; chan->max_antenna_gain = chan->orig_mag = (int) MBI_TO_DBI(power_rule->max_antenna_gain); - chan->max_power = chan->orig_mpwr = + chan->max_reg_power = chan->max_power = chan->orig_mpwr = (int) MBM_TO_DBM(power_rule->max_eirp); return; } @@ -1331,7 +1330,8 @@ static void handle_channel_custom(struct wiphy *wiphy, chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain); - chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp); + chan->max_reg_power = chan->max_power = + (int) MBM_TO_DBM(power_rule->max_eirp); } static void handle_band_custom(struct wiphy *wiphy, enum ieee80211_band band, diff --git a/net/wireless/util.c b/net/wireless/util.c index ef35f4ef2aa..2762e832998 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -309,23 +309,21 @@ unsigned int ieee80211_get_hdrlen_from_skb(const struct sk_buff *skb) } EXPORT_SYMBOL(ieee80211_get_hdrlen_from_skb); -static int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) +unsigned int ieee80211_get_mesh_hdrlen(struct ieee80211s_hdr *meshhdr) { int ae = meshhdr->flags & MESH_FLAGS_AE; - /* 7.1.3.5a.2 */ + /* 802.11-2012, 8.2.4.7.3 */ switch (ae) { + default: case 0: return 6; case MESH_FLAGS_AE_A4: return 12; case MESH_FLAGS_AE_A5_A6: return 18; - case (MESH_FLAGS_AE_A4 | MESH_FLAGS_AE_A5_A6): - return 24; - default: - return 6; } } +EXPORT_SYMBOL(ieee80211_get_mesh_hdrlen); int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, enum nl80211_iftype iftype) @@ -373,6 +371,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, /* make sure meshdr->flags is on the linear part */ if (!pskb_may_pull(skb, hdrlen + 1)) return -1; + if (meshdr->flags & MESH_FLAGS_AE_A4) + return -1; if (meshdr->flags & MESH_FLAGS_AE_A5_A6) { skb_copy_bits(skb, hdrlen + offsetof(struct ieee80211s_hdr, eaddr1), @@ -397,6 +397,8 @@ int ieee80211_data_to_8023(struct sk_buff *skb, const u8 *addr, /* make sure meshdr->flags is on the linear part */ if (!pskb_may_pull(skb, hdrlen + 1)) return -1; + if (meshdr->flags & MESH_FLAGS_AE_A5_A6) + return -1; if (meshdr->flags & MESH_FLAGS_AE_A4) skb_copy_bits(skb, hdrlen + offsetof(struct ieee80211s_hdr, eaddr1), diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst index dda4b2b6192..ecbb44797e2 100644 --- a/scripts/Makefile.modinst +++ b/scripts/Makefile.modinst @@ -16,8 +16,9 @@ PHONY += $(modules) __modinst: $(modules) @: +# Don't stop modules_install if we can't sign external modules. quiet_cmd_modules_install = INSTALL $@ - cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) + cmd_modules_install = mkdir -p $(2); cp $@ $(2) ; $(mod_strip_cmd) $(2)/$(notdir $@) ; $(mod_sign_cmd) $(2)/$(notdir $@) $(patsubst %,|| true,$(KBUILD_EXTMOD)) # Modules built outside the kernel source tree go into extra by default INSTALL_MOD_DIR ?= extra diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 21a9f5de0a2..f18750e3bd6 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1890,8 +1890,10 @@ sub process { } if ($realfile =~ m@^(drivers/net/|net/)@ && - $rawline !~ m@^\+[ \t]*(\/\*|\*\/)@ && - $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { + $rawline !~ m@^\+[ \t]*\*/[ \t]*$@ && #trailing */ + $rawline !~ m@^\+.*/\*.*\*/[ \t]*$@ && #inline /*...*/ + $rawline !~ m@^\+.*\*{2,}/[ \t]*$@ && #trailing **/ + $rawline =~ m@^\+[ \t]*.+\*\/[ \t]*$@) { #non blank */ WARN("NETWORKING_BLOCK_COMMENT_STYLE", "networking block comments put the trailing */ on a separate line\n" . $herecurr); } diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h index bd2e0989555..cdd48600e02 100644 --- a/scripts/kconfig/expr.h +++ b/scripts/kconfig/expr.h @@ -12,7 +12,7 @@ extern "C" { #include <assert.h> #include <stdio.h> -#include <sys/queue.h> +#include "list.h" #ifndef __cplusplus #include <stdbool.h> #endif @@ -175,12 +175,11 @@ struct menu { #define MENU_ROOT 0x0002 struct jump_key { - CIRCLEQ_ENTRY(jump_key) entries; + struct list_head entries; size_t offset; struct menu *target; int index; }; -CIRCLEQ_HEAD(jk_head, jump_key); #define JUMP_NB 9 diff --git a/scripts/kconfig/list.h b/scripts/kconfig/list.h new file mode 100644 index 00000000000..0ae730be5f4 --- /dev/null +++ b/scripts/kconfig/list.h @@ -0,0 +1,91 @@ +#ifndef LIST_H +#define LIST_H + +/* + * Copied from include/linux/... + */ + +#undef offsetof +#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER) + +/** + * container_of - cast a member of a structure out to the containing structure + * @ptr: the pointer to the member. + * @type: the type of the container struct this is embedded in. + * @member: the name of the member within the struct. + * + */ +#define container_of(ptr, type, member) ({ \ + const typeof( ((type *)0)->member ) *__mptr = (ptr); \ + (type *)( (char *)__mptr - offsetof(type,member) );}) + + +struct list_head { + struct list_head *next, *prev; +}; + + +#define LIST_HEAD_INIT(name) { &(name), &(name) } + +#define LIST_HEAD(name) \ + struct list_head name = LIST_HEAD_INIT(name) + +/** + * list_entry - get the struct for this entry + * @ptr: the &struct list_head pointer. + * @type: the type of the struct this is embedded in. + * @member: the name of the list_struct within the struct. + */ +#define list_entry(ptr, type, member) \ + container_of(ptr, type, member) + +/** + * list_for_each_entry - iterate over list of given type + * @pos: the type * to use as a loop cursor. + * @head: the head for your list. + * @member: the name of the list_struct within the struct. + */ +#define list_for_each_entry(pos, head, member) \ + for (pos = list_entry((head)->next, typeof(*pos), member); \ + &pos->member != (head); \ + pos = list_entry(pos->member.next, typeof(*pos), member)) + +/** + * list_empty - tests whether a list is empty + * @head: the list to test. + */ +static inline int list_empty(const struct list_head *head) +{ + return head->next == head; +} + +/* + * Insert a new entry between two known consecutive entries. + * + * This is only for internal list manipulation where we know + * the prev/next entries already! + */ +static inline void __list_add(struct list_head *_new, + struct list_head *prev, + struct list_head *next) +{ + next->prev = _new; + _new->next = next; + _new->prev = prev; + prev->next = _new; +} + +/** + * list_add_tail - add a new entry + * @new: new entry to be added + * @head: list head to add it before + * + * Insert a new entry before the specified head. + * This is useful for implementing queues. + */ +static inline void list_add_tail(struct list_head *_new, struct list_head *head) +{ + __list_add(_new, head->prev, head); +} + +#endif diff --git a/scripts/kconfig/lkc_proto.h b/scripts/kconfig/lkc_proto.h index 1d1c08537f1..ef1a7381f95 100644 --- a/scripts/kconfig/lkc_proto.h +++ b/scripts/kconfig/lkc_proto.h @@ -21,9 +21,9 @@ P(menu_get_root_menu,struct menu *,(struct menu *menu)); P(menu_get_parent_menu,struct menu *,(struct menu *menu)); P(menu_has_help,bool,(struct menu *menu)); P(menu_get_help,const char *,(struct menu *menu)); -P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct jk_head +P(get_symbol_str, void, (struct gstr *r, struct symbol *sym, struct list_head *head)); -P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct jk_head +P(get_relations_str, struct gstr, (struct symbol **sym_arr, struct list_head *head)); P(menu_get_ext_help,void,(struct menu *menu, struct gstr *help)); diff --git a/scripts/kconfig/mconf.c b/scripts/kconfig/mconf.c index 48f67448af7..53975cf8760 100644 --- a/scripts/kconfig/mconf.c +++ b/scripts/kconfig/mconf.c @@ -312,7 +312,7 @@ static void set_config_filename(const char *config_filename) struct search_data { - struct jk_head *head; + struct list_head *head; struct menu **targets; int *keys; }; @@ -323,7 +323,7 @@ static void update_text(char *buf, size_t start, size_t end, void *_data) struct jump_key *pos; int k = 0; - CIRCLEQ_FOREACH(pos, data->head, entries) { + list_for_each_entry(pos, data->head, entries) { if (pos->offset >= start && pos->offset < end) { char header[4]; @@ -375,7 +375,7 @@ again: sym_arr = sym_re_search(dialog_input); do { - struct jk_head head = CIRCLEQ_HEAD_INITIALIZER(head); + LIST_HEAD(head); struct menu *targets[JUMP_NB]; int keys[JUMP_NB + 1], i; struct search_data data = { diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c index a3cade659f8..e98a05c8e50 100644 --- a/scripts/kconfig/menu.c +++ b/scripts/kconfig/menu.c @@ -508,7 +508,7 @@ const char *menu_get_help(struct menu *menu) } static void get_prompt_str(struct gstr *r, struct property *prop, - struct jk_head *head) + struct list_head *head) { int i, j; struct menu *submenu[8], *menu, *location = NULL; @@ -544,12 +544,13 @@ static void get_prompt_str(struct gstr *r, struct property *prop, } else jump->target = location; - if (CIRCLEQ_EMPTY(head)) + if (list_empty(head)) jump->index = 0; else - jump->index = CIRCLEQ_LAST(head)->index + 1; + jump->index = list_entry(head->prev, struct jump_key, + entries)->index + 1; - CIRCLEQ_INSERT_TAIL(head, jump, entries); + list_add_tail(&jump->entries, head); } if (i > 0) { @@ -573,7 +574,8 @@ static void get_prompt_str(struct gstr *r, struct property *prop, /* * head is optional and may be NULL */ -void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head) +void get_symbol_str(struct gstr *r, struct symbol *sym, + struct list_head *head) { bool hit; struct property *prop; @@ -612,7 +614,7 @@ void get_symbol_str(struct gstr *r, struct symbol *sym, struct jk_head *head) str_append(r, "\n\n"); } -struct gstr get_relations_str(struct symbol **sym_arr, struct jk_head *head) +struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head) { struct symbol *sym; struct gstr res = str_new(); diff --git a/security/device_cgroup.c b/security/device_cgroup.c index 842c254396d..b08d20c66c2 100644 --- a/security/device_cgroup.c +++ b/security/device_cgroup.c @@ -164,8 +164,8 @@ static void dev_exception_clean(struct dev_cgroup *dev_cgroup) struct dev_exception_item *ex, *tmp; list_for_each_entry_safe(ex, tmp, &dev_cgroup->exceptions, list) { - list_del(&ex->list); - kfree(ex); + list_del_rcu(&ex->list); + kfree_rcu(ex, rcu); } } @@ -298,7 +298,7 @@ static int may_access(struct dev_cgroup *dev_cgroup, struct dev_exception_item *ex; bool match = false; - list_for_each_entry(ex, &dev_cgroup->exceptions, list) { + list_for_each_entry_rcu(ex, &dev_cgroup->exceptions, list) { if ((refex->type & DEV_BLOCK) && !(ex->type & DEV_BLOCK)) continue; if ((refex->type & DEV_CHAR) && !(ex->type & DEV_CHAR)) @@ -352,6 +352,8 @@ static int parent_has_perm(struct dev_cgroup *childcg, */ static inline int may_allow_all(struct dev_cgroup *parent) { + if (!parent) + return 1; return parent->behavior == DEVCG_DEFAULT_ALLOW; } @@ -376,11 +378,14 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup, int count, rc; struct dev_exception_item ex; struct cgroup *p = devcgroup->css.cgroup; - struct dev_cgroup *parent = cgroup_to_devcgroup(p->parent); + struct dev_cgroup *parent = NULL; if (!capable(CAP_SYS_ADMIN)) return -EPERM; + if (p->parent) + parent = cgroup_to_devcgroup(p->parent); + memset(&ex, 0, sizeof(ex)); b = buffer; @@ -391,11 +396,14 @@ static int devcgroup_update_access(struct dev_cgroup *devcgroup, if (!may_allow_all(parent)) return -EPERM; dev_exception_clean(devcgroup); + devcgroup->behavior = DEVCG_DEFAULT_ALLOW; + if (!parent) + break; + rc = dev_exceptions_copy(&devcgroup->exceptions, &parent->exceptions); if (rc) return rc; - devcgroup->behavior = DEVCG_DEFAULT_ALLOW; break; case DEVCG_DENY: dev_exception_clean(devcgroup); diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c index c40ae573346..ad11dc99479 100644 --- a/sound/core/compress_offload.c +++ b/sound/core/compress_offload.c @@ -100,12 +100,15 @@ static int snd_compr_open(struct inode *inode, struct file *f) if (dirn != compr->direction) { pr_err("this device doesn't support this direction\n"); + snd_card_unref(compr->card); return -EINVAL; } data = kzalloc(sizeof(*data), GFP_KERNEL); - if (!data) + if (!data) { + snd_card_unref(compr->card); return -ENOMEM; + } data->stream.ops = compr->ops; data->stream.direction = dirn; data->stream.private_data = compr->private_data; @@ -113,6 +116,7 @@ static int snd_compr_open(struct inode *inode, struct file *f) runtime = kzalloc(sizeof(*runtime), GFP_KERNEL); if (!runtime) { kfree(data); + snd_card_unref(compr->card); return -ENOMEM; } runtime->state = SNDRV_PCM_STATE_OPEN; @@ -126,7 +130,8 @@ static int snd_compr_open(struct inode *inode, struct file *f) kfree(runtime); kfree(data); } - return ret; + snd_card_unref(compr->card); + return 0; } static int snd_compr_free(struct inode *inode, struct file *f) diff --git a/sound/core/control.c b/sound/core/control.c index 7e86a5b9f3b..8c7c2c9bba6 100644 --- a/sound/core/control.c +++ b/sound/core/control.c @@ -86,6 +86,7 @@ static int snd_ctl_open(struct inode *inode, struct file *file) write_lock_irqsave(&card->ctl_files_rwlock, flags); list_add_tail(&ctl->list, &card->ctl_files); write_unlock_irqrestore(&card->ctl_files_rwlock, flags); + snd_card_unref(card); return 0; __error: @@ -93,6 +94,8 @@ static int snd_ctl_open(struct inode *inode, struct file *file) __error2: snd_card_file_remove(card, file); __error1: + if (card) + snd_card_unref(card); return err; } @@ -1434,6 +1437,8 @@ static ssize_t snd_ctl_read(struct file *file, char __user *buffer, spin_unlock_irq(&ctl->read_lock); schedule(); remove_wait_queue(&ctl->change_sleep, &wait); + if (ctl->card->shutdown) + return -ENODEV; if (signal_pending(current)) return -ERESTARTSYS; spin_lock_irq(&ctl->read_lock); diff --git a/sound/core/hwdep.c b/sound/core/hwdep.c index 75ea16f35b1..3f7f6628cf7 100644 --- a/sound/core/hwdep.c +++ b/sound/core/hwdep.c @@ -100,8 +100,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) if (hw == NULL) return -ENODEV; - if (!try_module_get(hw->card->module)) + if (!try_module_get(hw->card->module)) { + snd_card_unref(hw->card); return -EFAULT; + } init_waitqueue_entry(&wait, current); add_wait_queue(&hw->open_wait, &wait); @@ -129,6 +131,10 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) mutex_unlock(&hw->open_mutex); schedule(); mutex_lock(&hw->open_mutex); + if (hw->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -148,6 +154,7 @@ static int snd_hwdep_open(struct inode *inode, struct file * file) mutex_unlock(&hw->open_mutex); if (err < 0) module_put(hw->card->module); + snd_card_unref(hw->card); return err; } @@ -459,12 +466,15 @@ static int snd_hwdep_dev_disconnect(struct snd_device *device) mutex_unlock(®ister_mutex); return -EINVAL; } + mutex_lock(&hwdep->open_mutex); + wake_up(&hwdep->open_wait); #ifdef CONFIG_SND_OSSEMUL if (hwdep->ossreg) snd_unregister_oss_device(hwdep->oss_type, hwdep->card, hwdep->device); #endif snd_unregister_device(SNDRV_DEVICE_TYPE_HWDEP, hwdep->card, hwdep->device); list_del_init(&hwdep->list); + mutex_unlock(&hwdep->open_mutex); mutex_unlock(®ister_mutex); return 0; } diff --git a/sound/core/init.c b/sound/core/init.c index d8ec849af12..7b012d15c2c 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -213,6 +213,7 @@ int snd_card_create(int idx, const char *xid, spin_lock_init(&card->files_lock); INIT_LIST_HEAD(&card->files_list); init_waitqueue_head(&card->shutdown_sleep); + atomic_set(&card->refcount, 0); #ifdef CONFIG_PM mutex_init(&card->power_lock); init_waitqueue_head(&card->power_sleep); @@ -446,21 +447,36 @@ static int snd_card_do_free(struct snd_card *card) return 0; } +/** + * snd_card_unref - release the reference counter + * @card: the card instance + * + * Decrements the reference counter. When it reaches to zero, wake up + * the sleeper and call the destructor if needed. + */ +void snd_card_unref(struct snd_card *card) +{ + if (atomic_dec_and_test(&card->refcount)) { + wake_up(&card->shutdown_sleep); + if (card->free_on_last_close) + snd_card_do_free(card); + } +} +EXPORT_SYMBOL(snd_card_unref); + int snd_card_free_when_closed(struct snd_card *card) { - int free_now = 0; - int ret = snd_card_disconnect(card); - if (ret) - return ret; + int ret; - spin_lock(&card->files_lock); - if (list_empty(&card->files_list)) - free_now = 1; - else - card->free_on_last_close = 1; - spin_unlock(&card->files_lock); + atomic_inc(&card->refcount); + ret = snd_card_disconnect(card); + if (ret) { + atomic_dec(&card->refcount); + return ret; + } - if (free_now) + card->free_on_last_close = 1; + if (atomic_dec_and_test(&card->refcount)) snd_card_do_free(card); return 0; } @@ -474,7 +490,7 @@ int snd_card_free(struct snd_card *card) return ret; /* wait, until all devices are ready for the free operation */ - wait_event(card->shutdown_sleep, list_empty(&card->files_list)); + wait_event(card->shutdown_sleep, !atomic_read(&card->refcount)); snd_card_do_free(card); return 0; } @@ -886,6 +902,7 @@ int snd_card_file_add(struct snd_card *card, struct file *file) return -ENODEV; } list_add(&mfile->list, &card->files_list); + atomic_inc(&card->refcount); spin_unlock(&card->files_lock); return 0; } @@ -908,7 +925,6 @@ EXPORT_SYMBOL(snd_card_file_add); int snd_card_file_remove(struct snd_card *card, struct file *file) { struct snd_monitor_file *mfile, *found = NULL; - int last_close = 0; spin_lock(&card->files_lock); list_for_each_entry(mfile, &card->files_list, list) { @@ -923,19 +939,13 @@ int snd_card_file_remove(struct snd_card *card, struct file *file) break; } } - if (list_empty(&card->files_list)) - last_close = 1; spin_unlock(&card->files_lock); - if (last_close) { - wake_up(&card->shutdown_sleep); - if (card->free_on_last_close) - snd_card_do_free(card); - } if (!found) { snd_printk(KERN_ERR "ALSA card file remove problem (%p)\n", file); return -ENOENT; } kfree(found); + snd_card_unref(card); return 0; } diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 29f6ded0255..e8a1d18774b 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -52,14 +52,19 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file) SNDRV_OSS_DEVICE_TYPE_MIXER); if (card == NULL) return -ENODEV; - if (card->mixer_oss == NULL) + if (card->mixer_oss == NULL) { + snd_card_unref(card); return -ENODEV; + } err = snd_card_file_add(card, file); - if (err < 0) + if (err < 0) { + snd_card_unref(card); return err; + } fmixer = kzalloc(sizeof(*fmixer), GFP_KERNEL); if (fmixer == NULL) { snd_card_file_remove(card, file); + snd_card_unref(card); return -ENOMEM; } fmixer->card = card; @@ -68,8 +73,10 @@ static int snd_mixer_oss_open(struct inode *inode, struct file *file) if (!try_module_get(card->module)) { kfree(fmixer); snd_card_file_remove(card, file); + snd_card_unref(card); return -EFAULT; } + snd_card_unref(card); return 0; } diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index 08fde0060fd..4c1cc51772e 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -2441,6 +2441,10 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) mutex_unlock(&pcm->open_mutex); schedule(); mutex_lock(&pcm->open_mutex); + if (pcm->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -2450,6 +2454,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) mutex_unlock(&pcm->open_mutex); if (err < 0) goto __error; + snd_card_unref(pcm->card); return err; __error: @@ -2457,6 +2462,8 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file) __error2: snd_card_file_remove(pcm->card, file); __error1: + if (pcm) + snd_card_unref(pcm->card); return err; } diff --git a/sound/core/pcm.c b/sound/core/pcm.c index f2991940b27..030102caeee 100644 --- a/sound/core/pcm.c +++ b/sound/core/pcm.c @@ -1086,11 +1086,19 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) if (list_empty(&pcm->list)) goto unlock; + mutex_lock(&pcm->open_mutex); + wake_up(&pcm->open_wait); list_del_init(&pcm->list); for (cidx = 0; cidx < 2; cidx++) - for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) - if (substream->runtime) + for (substream = pcm->streams[cidx].substream; substream; substream = substream->next) { + snd_pcm_stream_lock_irq(substream); + if (substream->runtime) { substream->runtime->status->state = SNDRV_PCM_STATE_DISCONNECTED; + wake_up(&substream->runtime->sleep); + wake_up(&substream->runtime->tsleep); + } + snd_pcm_stream_unlock_irq(substream); + } list_for_each_entry(notify, &snd_pcm_notify_list, list) { notify->n_disconnect(pcm); } @@ -1110,6 +1118,7 @@ static int snd_pcm_dev_disconnect(struct snd_device *device) pcm->streams[cidx].chmap_kctl = NULL; } } + mutex_unlock(&pcm->open_mutex); unlock: mutex_unlock(®ister_mutex); return 0; diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 5e12e5bacbb..f9ddecf2f4c 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -369,6 +369,14 @@ static int period_to_usecs(struct snd_pcm_runtime *runtime) return usecs; } +static void snd_pcm_set_state(struct snd_pcm_substream *substream, int state) +{ + snd_pcm_stream_lock_irq(substream); + if (substream->runtime->status->state != SNDRV_PCM_STATE_DISCONNECTED) + substream->runtime->status->state = state; + snd_pcm_stream_unlock_irq(substream); +} + static int snd_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -452,7 +460,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, runtime->boundary *= 2; snd_pcm_timer_resolution_change(substream); - runtime->status->state = SNDRV_PCM_STATE_SETUP; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_SETUP); if (pm_qos_request_active(&substream->latency_pm_qos_req)) pm_qos_remove_request(&substream->latency_pm_qos_req); @@ -464,7 +472,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream, /* hardware might be unusable from this time, so we force application to retry to set the correct hardware parameter settings */ - runtime->status->state = SNDRV_PCM_STATE_OPEN; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); if (substream->ops->hw_free != NULL) substream->ops->hw_free(substream); return err; @@ -512,7 +520,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream) return -EBADFD; if (substream->ops->hw_free) result = substream->ops->hw_free(substream); - runtime->status->state = SNDRV_PCM_STATE_OPEN; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_OPEN); pm_qos_remove_request(&substream->latency_pm_qos_req); return result; } @@ -1320,7 +1328,7 @@ static void snd_pcm_post_prepare(struct snd_pcm_substream *substream, int state) { struct snd_pcm_runtime *runtime = substream->runtime; runtime->control->appl_ptr = runtime->status->hw_ptr; - runtime->status->state = SNDRV_PCM_STATE_PREPARED; + snd_pcm_set_state(substream, SNDRV_PCM_STATE_PREPARED); } static struct action_ops snd_pcm_action_prepare = { @@ -1510,6 +1518,10 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream, down_read(&snd_pcm_link_rwsem); snd_pcm_stream_lock_irq(substream); remove_wait_queue(&to_check->sleep, &wait); + if (card->shutdown) { + result = -ENODEV; + break; + } if (tout == 0) { if (substream->runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) result = -ESTRPIPE; @@ -1634,6 +1646,7 @@ static int snd_pcm_link(struct snd_pcm_substream *substream, int fd) write_unlock_irq(&snd_pcm_link_rwlock); up_write(&snd_pcm_link_rwsem); _nolock: + snd_card_unref(substream1->pcm->card); fput_light(file, fput_needed); if (res < 0) kfree(group); @@ -2108,7 +2121,10 @@ static int snd_pcm_playback_open(struct inode *inode, struct file *file) return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_PLAYBACK); - return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK); + err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_PLAYBACK); + if (pcm) + snd_card_unref(pcm->card); + return err; } static int snd_pcm_capture_open(struct inode *inode, struct file *file) @@ -2119,7 +2135,10 @@ static int snd_pcm_capture_open(struct inode *inode, struct file *file) return err; pcm = snd_lookup_minor_data(iminor(inode), SNDRV_DEVICE_TYPE_PCM_CAPTURE); - return snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE); + err = snd_pcm_open(file, pcm, SNDRV_PCM_STREAM_CAPTURE); + if (pcm) + snd_card_unref(pcm->card); + return err; } static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) @@ -2156,6 +2175,10 @@ static int snd_pcm_open(struct file *file, struct snd_pcm *pcm, int stream) mutex_unlock(&pcm->open_mutex); schedule(); mutex_lock(&pcm->open_mutex); + if (pcm->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index ebf6e49ad3d..1bb95aeea08 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -379,8 +379,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) if (rmidi == NULL) return -ENODEV; - if (!try_module_get(rmidi->card->module)) + if (!try_module_get(rmidi->card->module)) { + snd_card_unref(rmidi->card); return -ENXIO; + } mutex_lock(&rmidi->open_mutex); card = rmidi->card; @@ -422,6 +424,10 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) mutex_unlock(&rmidi->open_mutex); schedule(); mutex_lock(&rmidi->open_mutex); + if (rmidi->card->shutdown) { + err = -ENODEV; + break; + } if (signal_pending(current)) { err = -ERESTARTSYS; break; @@ -440,6 +446,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) #endif file->private_data = rawmidi_file; mutex_unlock(&rmidi->open_mutex); + snd_card_unref(rmidi->card); return 0; __error: @@ -447,6 +454,7 @@ static int snd_rawmidi_open(struct inode *inode, struct file *file) __error_card: mutex_unlock(&rmidi->open_mutex); module_put(rmidi->card->module); + snd_card_unref(rmidi->card); return err; } @@ -991,6 +999,8 @@ static ssize_t snd_rawmidi_read(struct file *file, char __user *buf, size_t coun spin_unlock_irq(&runtime->lock); schedule(); remove_wait_queue(&runtime->sleep, &wait); + if (rfile->rmidi->card->shutdown) + return -ENODEV; if (signal_pending(current)) return result > 0 ? result : -ERESTARTSYS; if (!runtime->avail) @@ -1234,6 +1244,8 @@ static ssize_t snd_rawmidi_write(struct file *file, const char __user *buf, spin_unlock_irq(&runtime->lock); timeout = schedule_timeout(30 * HZ); remove_wait_queue(&runtime->sleep, &wait); + if (rfile->rmidi->card->shutdown) + return -ENODEV; if (signal_pending(current)) return result > 0 ? result : -ERESTARTSYS; if (!runtime->avail && !timeout) @@ -1609,9 +1621,20 @@ static int snd_rawmidi_dev_register(struct snd_device *device) static int snd_rawmidi_dev_disconnect(struct snd_device *device) { struct snd_rawmidi *rmidi = device->device_data; + int dir; mutex_lock(®ister_mutex); + mutex_lock(&rmidi->open_mutex); + wake_up(&rmidi->open_wait); list_del_init(&rmidi->list); + for (dir = 0; dir < 2; dir++) { + struct snd_rawmidi_substream *s; + list_for_each_entry(s, &rmidi->streams[dir].substreams, list) { + if (s->runtime) + wake_up(&s->runtime->sleep); + } + } + #ifdef CONFIG_SND_OSSEMUL if (rmidi->ossreg) { if ((int)rmidi->device == midi_map[rmidi->card->number]) { @@ -1626,6 +1649,7 @@ static int snd_rawmidi_dev_disconnect(struct snd_device *device) } #endif /* CONFIG_SND_OSSEMUL */ snd_unregister_device(SNDRV_DEVICE_TYPE_RAWMIDI, rmidi->card, rmidi->device); + mutex_unlock(&rmidi->open_mutex); mutex_unlock(®ister_mutex); return 0; } diff --git a/sound/core/sound.c b/sound/core/sound.c index 643976000ce..70ccdab7415 100644 --- a/sound/core/sound.c +++ b/sound/core/sound.c @@ -98,6 +98,10 @@ static void snd_request_other(int minor) * * Checks that a minor device with the specified type is registered, and returns * its user data pointer. + * + * This function increments the reference counter of the card instance + * if an associated instance with the given minor number and type is found. + * The caller must call snd_card_unref() appropriately later. */ void *snd_lookup_minor_data(unsigned int minor, int type) { @@ -108,9 +112,11 @@ void *snd_lookup_minor_data(unsigned int minor, int type) return NULL; mutex_lock(&sound_mutex); mreg = snd_minors[minor]; - if (mreg && mreg->type == type) + if (mreg && mreg->type == type) { private_data = mreg->private_data; - else + if (private_data && mreg->card_ptr) + atomic_inc(&mreg->card_ptr->refcount); + } else private_data = NULL; mutex_unlock(&sound_mutex); return private_data; @@ -275,6 +281,7 @@ int snd_register_device_for_dev(int type, struct snd_card *card, int dev, preg->device = dev; preg->f_ops = f_ops; preg->private_data = private_data; + preg->card_ptr = card; mutex_lock(&sound_mutex); #ifdef CONFIG_SND_DYNAMIC_MINORS minor = snd_find_free_minor(type); diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c index e9528333e36..726a49ac972 100644 --- a/sound/core/sound_oss.c +++ b/sound/core/sound_oss.c @@ -40,6 +40,9 @@ static struct snd_minor *snd_oss_minors[SNDRV_OSS_MINORS]; static DEFINE_MUTEX(sound_oss_mutex); +/* NOTE: This function increments the refcount of the associated card like + * snd_lookup_minor_data(); the caller must call snd_card_unref() appropriately + */ void *snd_lookup_oss_minor_data(unsigned int minor, int type) { struct snd_minor *mreg; @@ -49,9 +52,11 @@ void *snd_lookup_oss_minor_data(unsigned int minor, int type) return NULL; mutex_lock(&sound_oss_mutex); mreg = snd_oss_minors[minor]; - if (mreg && mreg->type == type) + if (mreg && mreg->type == type) { private_data = mreg->private_data; - else + if (private_data && mreg->card_ptr) + atomic_inc(&mreg->card_ptr->refcount); + } else private_data = NULL; mutex_unlock(&sound_oss_mutex); return private_data; @@ -123,6 +128,7 @@ int snd_register_oss_device(int type, struct snd_card *card, int dev, preg->device = dev; preg->f_ops = f_ops; preg->private_data = private_data; + preg->card_ptr = card; mutex_lock(&sound_oss_mutex); snd_oss_minors[minor] = preg; minor_unit = SNDRV_MINOR_OSS_DEVICE(minor); diff --git a/sound/i2c/other/ak4113.c b/sound/i2c/other/ak4113.c index ef68d710d08..e04e750a77e 100644 --- a/sound/i2c/other/ak4113.c +++ b/sound/i2c/other/ak4113.c @@ -426,7 +426,7 @@ static struct snd_kcontrol_new snd_ak4113_iec958_controls[] = { }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = "IEC958 Preample Capture Default", + .name = "IEC958 Preamble Capture Default", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4113_spdif_pinfo, diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c index 816e7d225fb..5bf4fca19e4 100644 --- a/sound/i2c/other/ak4114.c +++ b/sound/i2c/other/ak4114.c @@ -401,7 +401,7 @@ static struct snd_kcontrol_new snd_ak4114_iec958_controls[] = { }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = "IEC958 Preample Capture Default", + .name = "IEC958 Preamble Capture Default", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4114_spdif_pinfo, .get = snd_ak4114_spdif_pget, diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c index b4b2a51fc11..40e33c9f2b0 100644 --- a/sound/i2c/other/ak4117.c +++ b/sound/i2c/other/ak4117.c @@ -380,7 +380,7 @@ static struct snd_kcontrol_new snd_ak4117_iec958_controls[] = { }, { .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = "IEC958 Preample Capture Default", + .name = "IEC958 Preamble Capture Default", .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE, .info = snd_ak4117_spdif_pinfo, .get = snd_ak4117_spdif_pget, diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c index 5d0e568fdea..7266020c16c 100644 --- a/sound/pci/es1968.c +++ b/sound/pci/es1968.c @@ -2581,9 +2581,14 @@ static u8 snd_es1968_tea575x_get_pins(struct snd_tea575x *tea) struct es1968 *chip = tea->private_data; unsigned long io = chip->io_port + GPIO_DATA; u16 val = inw(io); + u8 ret; - return (val & STR_DATA) ? TEA575X_DATA : 0 | - (val & STR_MOST) ? TEA575X_MOST : 0; + ret = 0; + if (val & STR_DATA) + ret |= TEA575X_DATA; + if (val & STR_MOST) + ret |= TEA575X_MOST; + return ret; } static void snd_es1968_tea575x_set_direction(struct snd_tea575x *tea, bool output) @@ -2655,6 +2660,8 @@ static struct ess_device_list pm_whitelist[] __devinitdata = { { TYPE_MAESTRO2E, 0x1179 }, { TYPE_MAESTRO2E, 0x14c0 }, /* HP omnibook 4150 */ { TYPE_MAESTRO2E, 0x1558 }, + { TYPE_MAESTRO2E, 0x125d }, /* a PCI card, e.g. Terratec DMX */ + { TYPE_MAESTRO2, 0x125d }, /* a PCI card, e.g. SF64-PCE2 */ }; static struct ess_device_list mpu_blacklist[] __devinitdata = { diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index cc2e91d1553..c5806f89be1 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -767,9 +767,14 @@ static u8 snd_fm801_tea575x_get_pins(struct snd_tea575x *tea) struct fm801 *chip = tea->private_data; unsigned short reg = inw(FM801_REG(chip, GPIO_CTRL)); struct snd_fm801_tea575x_gpio gpio = *get_tea575x_gpio(chip); - - return (reg & FM801_GPIO_GP(gpio.data)) ? TEA575X_DATA : 0 | - (reg & FM801_GPIO_GP(gpio.most)) ? TEA575X_MOST : 0; + u8 ret; + + ret = 0; + if (reg & FM801_GPIO_GP(gpio.data)) + ret |= TEA575X_DATA; + if (reg & FM801_GPIO_GP(gpio.most)) + ret |= TEA575X_MOST; + return ret; } static void snd_fm801_tea575x_set_direction(struct snd_tea575x *tea, bool output) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 72b085ae7d4..cd2dbaf1be7 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -3563,6 +3563,8 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = { /* Teradici */ { PCI_DEVICE(0x6549, 0x1200), .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, + { PCI_DEVICE(0x6549, 0x2200), + .driver_data = AZX_DRIVER_TERA | AZX_DCAPS_NO_64BIT }, /* Creative X-Fi (CA0110-IBG) */ /* CTHDA chips */ { PCI_DEVICE(0x1102, 0x0010), diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c index cdd43eadbc6..1eeba738666 100644 --- a/sound/pci/hda/patch_analog.c +++ b/sound/pci/hda/patch_analog.c @@ -545,6 +545,7 @@ static int ad198x_build_pcms(struct hda_codec *codec) if (spec->multiout.dig_out_nid) { info++; codec->num_pcms++; + codec->spdif_status_reset = 1; info->name = "AD198x Digital"; info->pcm_type = HDA_PCM_TYPE_SPDIF; info->stream[SNDRV_PCM_STREAM_PLAYBACK] = ad198x_pcm_digital_playback; diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index 61a71131711..d5f3a26d608 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -101,8 +101,8 @@ enum { #define CS420X_VENDOR_NID 0x11 #define CS_DIG_OUT1_PIN_NID 0x10 #define CS_DIG_OUT2_PIN_NID 0x15 -#define CS_DMIC1_PIN_NID 0x12 -#define CS_DMIC2_PIN_NID 0x0e +#define CS_DMIC1_PIN_NID 0x0e +#define CS_DMIC2_PIN_NID 0x12 /* coef indices */ #define IDX_SPDIF_STAT 0x0000 @@ -1079,14 +1079,18 @@ static void init_input(struct hda_codec *codec) cs_automic(codec, NULL); coef = 0x000a; /* ADC1/2 - Digital and Analog Soft Ramp */ + cs_vendor_coef_set(codec, IDX_ADC_CFG, coef); + + coef = cs_vendor_coef_get(codec, IDX_BEEP_CFG); if (is_active_pin(codec, CS_DMIC2_PIN_NID)) - coef |= 0x0500; /* DMIC2 2 chan on, GPIO1 off */ + coef |= 1 << 4; /* DMIC2 2 chan on, GPIO1 off */ if (is_active_pin(codec, CS_DMIC1_PIN_NID)) - coef |= 0x1800; /* DMIC1 2 chan on, GPIO0 off + coef |= 1 << 3; /* DMIC1 2 chan on, GPIO0 off * No effect if SPDIF_OUT2 is * selected in IDX_SPDIF_CTL. */ - cs_vendor_coef_set(codec, IDX_ADC_CFG, coef); + + cs_vendor_coef_set(codec, IDX_BEEP_CFG, coef); } else { if (spec->mic_detect) cs_automic(codec, NULL); @@ -1107,7 +1111,7 @@ static const struct hda_verb cs_coef_init_verbs[] = { | 0x0400 /* Disable Coefficient Auto increment */ )}, /* Beep */ - {0x11, AC_VERB_SET_COEF_INDEX, IDX_DAC_CFG}, + {0x11, AC_VERB_SET_COEF_INDEX, IDX_BEEP_CFG}, {0x11, AC_VERB_SET_PROC_COEF, 0x0007}, /* Enable Beep thru DAC1/2/3 */ {} /* terminator */ @@ -1728,8 +1732,7 @@ static int cs421x_mux_enum_put(struct snd_kcontrol *kcontrol, } -static struct snd_kcontrol_new cs421x_capture_source = { - +static const struct snd_kcontrol_new cs421x_capture_source = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, @@ -1946,7 +1949,7 @@ static int cs421x_suspend(struct hda_codec *codec) } #endif -static struct hda_codec_ops cs421x_patch_ops = { +static const struct hda_codec_ops cs421x_patch_ops = { .build_controls = cs421x_build_controls, .build_pcms = cs_build_pcms, .init = cs421x_init, diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index f7397ad02a0..68fd49294b2 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -5407,6 +5407,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x106b, 0x4000, "MacbookPro 5,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4100, "Macmini 3,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4200, "Mac Pro 5,1", ALC885_FIXUP_MACPRO_GPIO), + SND_PCI_QUIRK(0x106b, 0x4300, "iMac 9,1", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4600, "MacbookPro 5,2", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4900, "iMac 9,1 Aluminum", ALC889_FIXUP_IMAC91_VREF), SND_PCI_QUIRK(0x106b, 0x4a00, "Macbook 5,2", ALC889_FIXUP_IMAC91_VREF), @@ -5840,7 +5841,7 @@ static int alc269_parse_auto_config(struct hda_codec *codec) return alc_parse_auto_config(codec, alc269_ignore, ssids); } -static void alc269_toggle_power_output(struct hda_codec *codec, int power_up) +static void alc269vb_toggle_power_output(struct hda_codec *codec, int power_up) { int val = alc_read_coef_idx(codec, 0x04); if (power_up) @@ -5857,10 +5858,10 @@ static void alc269_shutup(struct hda_codec *codec) if (spec->codec_variant != ALC269_TYPE_ALC269VB) return; - if ((alc_get_coef0(codec) & 0x00ff) == 0x017) - alc269_toggle_power_output(codec, 0); - if ((alc_get_coef0(codec) & 0x00ff) == 0x018) { - alc269_toggle_power_output(codec, 0); + if (spec->codec_variant == ALC269_TYPE_ALC269VB) + alc269vb_toggle_power_output(codec, 0); + if (spec->codec_variant == ALC269_TYPE_ALC269VB && + (alc_get_coef0(codec) & 0x00ff) == 0x018) { msleep(150); } } @@ -5870,24 +5871,22 @@ static int alc269_resume(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; - if (spec->codec_variant == ALC269_TYPE_ALC269VB || + if (spec->codec_variant == ALC269_TYPE_ALC269VB) + alc269vb_toggle_power_output(codec, 0); + if (spec->codec_variant == ALC269_TYPE_ALC269VB && (alc_get_coef0(codec) & 0x00ff) == 0x018) { - alc269_toggle_power_output(codec, 0); msleep(150); } codec->patch_ops.init(codec); - if (spec->codec_variant == ALC269_TYPE_ALC269VB || + if (spec->codec_variant == ALC269_TYPE_ALC269VB) + alc269vb_toggle_power_output(codec, 1); + if (spec->codec_variant == ALC269_TYPE_ALC269VB && (alc_get_coef0(codec) & 0x00ff) == 0x017) { - alc269_toggle_power_output(codec, 1); msleep(200); } - if (spec->codec_variant == ALC269_TYPE_ALC269VB || - (alc_get_coef0(codec) & 0x00ff) == 0x018) - alc269_toggle_power_output(codec, 1); - snd_hda_codec_resume_amp(codec); snd_hda_codec_resume_cache(codec); hda_call_check_power_status(codec, 0x01); @@ -7079,6 +7078,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = { .patch = patch_alc662 }, { .id = 0x10ec0663, .name = "ALC663", .patch = patch_alc662 }, { .id = 0x10ec0665, .name = "ALC665", .patch = patch_alc662 }, + { .id = 0x10ec0668, .name = "ALC668", .patch = patch_alc662 }, { .id = 0x10ec0670, .name = "ALC670", .patch = patch_alc662 }, { .id = 0x10ec0680, .name = "ALC680", .patch = patch_alc680 }, { .id = 0x10ec0880, .name = "ALC880", .patch = patch_alc880 }, @@ -7096,6 +7096,7 @@ static const struct hda_codec_preset snd_hda_preset_realtek[] = { { .id = 0x10ec0889, .name = "ALC889", .patch = patch_alc882 }, { .id = 0x10ec0892, .name = "ALC892", .patch = patch_alc662 }, { .id = 0x10ec0899, .name = "ALC898", .patch = patch_alc882 }, + { .id = 0x10ec0900, .name = "ALC1150", .patch = patch_alc882 }, {} /* terminator */ }; diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 770013ff556..9ba8af05617 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -1763,6 +1763,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = { "HP", STAC_HP_ZEPHYR), SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x3660, "HP Mini", STAC_92HD83XXX_HP_LED), + SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x144E, + "HP Pavilion dv5", STAC_92HD83XXX_HP_INV_LED), {} /* terminator */ }; diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 72a2f60b087..019e1a00414 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -1809,11 +1809,11 @@ static int via_auto_fill_dac_nids(struct hda_codec *codec) { struct via_spec *spec = codec->spec; const struct auto_pin_cfg *cfg = &spec->autocfg; - int i, dac_num; + int i; hda_nid_t nid; + spec->multiout.num_dacs = 0; spec->multiout.dac_nids = spec->private_dac_nids; - dac_num = 0; for (i = 0; i < cfg->line_outs; i++) { hda_nid_t dac = 0; nid = cfg->line_out_pins[i]; @@ -1824,16 +1824,13 @@ static int via_auto_fill_dac_nids(struct hda_codec *codec) if (!i && parse_output_path(codec, nid, dac, 1, &spec->out_mix_path)) dac = spec->out_mix_path.path[0]; - if (dac) { - spec->private_dac_nids[i] = dac; - dac_num++; - } + if (dac) + spec->private_dac_nids[spec->multiout.num_dacs++] = dac; } if (!spec->out_path[0].depth && spec->out_mix_path.depth) { spec->out_path[0] = spec->out_mix_path; spec->out_mix_path.depth = 0; } - spec->multiout.num_dacs = dac_num; return 0; } @@ -3628,6 +3625,7 @@ static void set_widgets_power_state_vt2002P(struct hda_codec *codec) */ enum { VIA_FIXUP_INTMIC_BOOST, + VIA_FIXUP_ASUS_G75, }; static void via_fixup_intmic_boost(struct hda_codec *codec, @@ -3642,13 +3640,35 @@ static const struct hda_fixup via_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = via_fixup_intmic_boost, }, + [VIA_FIXUP_ASUS_G75] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + /* set 0x24 and 0x33 as speakers */ + { 0x24, 0x991301f0 }, + { 0x33, 0x991301f1 }, /* subwoofer */ + { } + } + }, }; static const struct snd_pci_quirk vt2002p_fixups[] = { + SND_PCI_QUIRK(0x1043, 0x1487, "Asus G75", VIA_FIXUP_ASUS_G75), SND_PCI_QUIRK(0x1043, 0x8532, "Asus X202E", VIA_FIXUP_INTMIC_BOOST), {} }; +/* NIDs 0x24 and 0x33 on VT1802 have connections to non-existing NID 0x3e + * Replace this with mixer NID 0x1c + */ +static void fix_vt1802_connections(struct hda_codec *codec) +{ + static hda_nid_t conn_24[] = { 0x14, 0x1c }; + static hda_nid_t conn_33[] = { 0x1c }; + + snd_hda_override_conn_list(codec, 0x24, ARRAY_SIZE(conn_24), conn_24); + snd_hda_override_conn_list(codec, 0x33, ARRAY_SIZE(conn_33), conn_33); +} + /* patch for vt2002P */ static int patch_vt2002P(struct hda_codec *codec) { @@ -3663,6 +3683,8 @@ static int patch_vt2002P(struct hda_codec *codec) spec->aa_mix_nid = 0x21; override_mic_boost(codec, 0x2b, 0, 3, 40); override_mic_boost(codec, 0x29, 0, 3, 40); + if (spec->codec_type == VT1802) + fix_vt1802_connections(codec); add_secret_dac_path(codec); snd_hda_pick_fixup(codec, NULL, vt2002p_fixups, via_fixups); diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c index 3050a527925..245d874891b 100644 --- a/sound/pci/ice1712/ice1724.c +++ b/sound/pci/ice1712/ice1724.c @@ -2859,7 +2859,12 @@ static int snd_vt1724_resume(struct device *dev) ice->set_spdif_clock(ice, 0); } else { /* internal on-card clock */ - snd_vt1724_set_pro_rate(ice, ice->pro_rate_default, 1); + int rate; + if (ice->cur_rate) + rate = ice->cur_rate; + else + rate = ice->pro_rate_default; + snd_vt1724_set_pro_rate(ice, rate, 1); } update_spdif_bits(ice, ice->pm_saved_spdif_ctrl); diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index f1cd1e38780..748e36c6660 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -3979,7 +3979,8 @@ static int snd_hdspm_get_sync_check(struct snd_kcontrol *kcontrol, case 8: /* SYNC IN */ val = hdspm_sync_in_sync_check(hdspm); break; default: - val = hdspm_s1_sync_check(hdspm, ucontrol->id.index-1); + val = hdspm_s1_sync_check(hdspm, + kcontrol->private_value-1); } break; @@ -4899,7 +4900,7 @@ snd_hdspm_proc_read_madi(struct snd_info_entry * entry, insel = "Coaxial"; break; default: - insel = "Unkown"; + insel = "Unknown"; } snd_iprintf(buffer, diff --git a/sound/soc/codecs/cs42l52.c b/sound/soc/codecs/cs42l52.c index 61599298fb2..97a81051e88 100644 --- a/sound/soc/codecs/cs42l52.c +++ b/sound/soc/codecs/cs42l52.c @@ -763,7 +763,7 @@ static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai, if ((freq >= CS42L52_MIN_CLK) && (freq <= CS42L52_MAX_CLK)) { cs42l52->sysclk = freq; } else { - dev_err(codec->dev, "Invalid freq paramter\n"); + dev_err(codec->dev, "Invalid freq parameter\n"); return -EINVAL; } return 0; @@ -773,7 +773,6 @@ static int cs42l52_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) { struct snd_soc_codec *codec = codec_dai->codec; struct cs42l52_private *cs42l52 = snd_soc_codec_get_drvdata(codec); - int ret = 0; u8 iface = 0; switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { @@ -822,7 +821,7 @@ static int cs42l52_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) case SND_SOC_DAIFMT_NB_IF: break; default: - ret = -EINVAL; + return -EINVAL; } cs42l52->config.format = iface; snd_soc_write(codec, CS42L52_IFACE_CTL1, cs42l52->config.format); diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index 1722b586bdb..7394e73fa43 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -42,6 +42,556 @@ static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); static DECLARE_TLV_DB_SCALE(digital_tlv, -6400, 50, 0); static DECLARE_TLV_DB_SCALE(noise_tlv, 0, 600, 0); +static const struct reg_default wm5102_sysclk_reva_patch[] = { + { 0x3000, 0x2225 }, + { 0x3001, 0x3a03 }, + { 0x3002, 0x0225 }, + { 0x3003, 0x0801 }, + { 0x3004, 0x6249 }, + { 0x3005, 0x0c04 }, + { 0x3006, 0x0225 }, + { 0x3007, 0x5901 }, + { 0x3008, 0xe249 }, + { 0x3009, 0x030d }, + { 0x300a, 0x0249 }, + { 0x300b, 0x2c01 }, + { 0x300c, 0xe249 }, + { 0x300d, 0x4342 }, + { 0x300e, 0xe249 }, + { 0x300f, 0x73c0 }, + { 0x3010, 0x4249 }, + { 0x3011, 0x0c00 }, + { 0x3012, 0x0225 }, + { 0x3013, 0x1f01 }, + { 0x3014, 0x0225 }, + { 0x3015, 0x1e01 }, + { 0x3016, 0x0225 }, + { 0x3017, 0xfa00 }, + { 0x3018, 0x0000 }, + { 0x3019, 0xf000 }, + { 0x301a, 0x0000 }, + { 0x301b, 0xf000 }, + { 0x301c, 0x0000 }, + { 0x301d, 0xf000 }, + { 0x301e, 0x0000 }, + { 0x301f, 0xf000 }, + { 0x3020, 0x0000 }, + { 0x3021, 0xf000 }, + { 0x3022, 0x0000 }, + { 0x3023, 0xf000 }, + { 0x3024, 0x0000 }, + { 0x3025, 0xf000 }, + { 0x3026, 0x0000 }, + { 0x3027, 0xf000 }, + { 0x3028, 0x0000 }, + { 0x3029, 0xf000 }, + { 0x302a, 0x0000 }, + { 0x302b, 0xf000 }, + { 0x302c, 0x0000 }, + { 0x302d, 0xf000 }, + { 0x302e, 0x0000 }, + { 0x302f, 0xf000 }, + { 0x3030, 0x0225 }, + { 0x3031, 0x1a01 }, + { 0x3032, 0x0225 }, + { 0x3033, 0x1e00 }, + { 0x3034, 0x0225 }, + { 0x3035, 0x1f00 }, + { 0x3036, 0x6225 }, + { 0x3037, 0xf800 }, + { 0x3038, 0x0000 }, + { 0x3039, 0xf000 }, + { 0x303a, 0x0000 }, + { 0x303b, 0xf000 }, + { 0x303c, 0x0000 }, + { 0x303d, 0xf000 }, + { 0x303e, 0x0000 }, + { 0x303f, 0xf000 }, + { 0x3040, 0x2226 }, + { 0x3041, 0x3a03 }, + { 0x3042, 0x0226 }, + { 0x3043, 0x0801 }, + { 0x3044, 0x6249 }, + { 0x3045, 0x0c06 }, + { 0x3046, 0x0226 }, + { 0x3047, 0x5901 }, + { 0x3048, 0xe249 }, + { 0x3049, 0x030d }, + { 0x304a, 0x0249 }, + { 0x304b, 0x2c01 }, + { 0x304c, 0xe249 }, + { 0x304d, 0x4342 }, + { 0x304e, 0xe249 }, + { 0x304f, 0x73c0 }, + { 0x3050, 0x4249 }, + { 0x3051, 0x0c00 }, + { 0x3052, 0x0226 }, + { 0x3053, 0x1f01 }, + { 0x3054, 0x0226 }, + { 0x3055, 0x1e01 }, + { 0x3056, 0x0226 }, + { 0x3057, 0xfa00 }, + { 0x3058, 0x0000 }, + { 0x3059, 0xf000 }, + { 0x305a, 0x0000 }, + { 0x305b, 0xf000 }, + { 0x305c, 0x0000 }, + { 0x305d, 0xf000 }, + { 0x305e, 0x0000 }, + { 0x305f, 0xf000 }, + { 0x3060, 0x0000 }, + { 0x3061, 0xf000 }, + { 0x3062, 0x0000 }, + { 0x3063, 0xf000 }, + { 0x3064, 0x0000 }, + { 0x3065, 0xf000 }, + { 0x3066, 0x0000 }, + { 0x3067, 0xf000 }, + { 0x3068, 0x0000 }, + { 0x3069, 0xf000 }, + { 0x306a, 0x0000 }, + { 0x306b, 0xf000 }, + { 0x306c, 0x0000 }, + { 0x306d, 0xf000 }, + { 0x306e, 0x0000 }, + { 0x306f, 0xf000 }, + { 0x3070, 0x0226 }, + { 0x3071, 0x1a01 }, + { 0x3072, 0x0226 }, + { 0x3073, 0x1e00 }, + { 0x3074, 0x0226 }, + { 0x3075, 0x1f00 }, + { 0x3076, 0x6226 }, + { 0x3077, 0xf800 }, + { 0x3078, 0x0000 }, + { 0x3079, 0xf000 }, + { 0x307a, 0x0000 }, + { 0x307b, 0xf000 }, + { 0x307c, 0x0000 }, + { 0x307d, 0xf000 }, + { 0x307e, 0x0000 }, + { 0x307f, 0xf000 }, + { 0x3080, 0x2227 }, + { 0x3081, 0x3a03 }, + { 0x3082, 0x0227 }, + { 0x3083, 0x0801 }, + { 0x3084, 0x6255 }, + { 0x3085, 0x0c04 }, + { 0x3086, 0x0227 }, + { 0x3087, 0x5901 }, + { 0x3088, 0xe255 }, + { 0x3089, 0x030d }, + { 0x308a, 0x0255 }, + { 0x308b, 0x2c01 }, + { 0x308c, 0xe255 }, + { 0x308d, 0x4342 }, + { 0x308e, 0xe255 }, + { 0x308f, 0x73c0 }, + { 0x3090, 0x4255 }, + { 0x3091, 0x0c00 }, + { 0x3092, 0x0227 }, + { 0x3093, 0x1f01 }, + { 0x3094, 0x0227 }, + { 0x3095, 0x1e01 }, + { 0x3096, 0x0227 }, + { 0x3097, 0xfa00 }, + { 0x3098, 0x0000 }, + { 0x3099, 0xf000 }, + { 0x309a, 0x0000 }, + { 0x309b, 0xf000 }, + { 0x309c, 0x0000 }, + { 0x309d, 0xf000 }, + { 0x309e, 0x0000 }, + { 0x309f, 0xf000 }, + { 0x30a0, 0x0000 }, + { 0x30a1, 0xf000 }, + { 0x30a2, 0x0000 }, + { 0x30a3, 0xf000 }, + { 0x30a4, 0x0000 }, + { 0x30a5, 0xf000 }, + { 0x30a6, 0x0000 }, + { 0x30a7, 0xf000 }, + { 0x30a8, 0x0000 }, + { 0x30a9, 0xf000 }, + { 0x30aa, 0x0000 }, + { 0x30ab, 0xf000 }, + { 0x30ac, 0x0000 }, + { 0x30ad, 0xf000 }, + { 0x30ae, 0x0000 }, + { 0x30af, 0xf000 }, + { 0x30b0, 0x0227 }, + { 0x30b1, 0x1a01 }, + { 0x30b2, 0x0227 }, + { 0x30b3, 0x1e00 }, + { 0x30b4, 0x0227 }, + { 0x30b5, 0x1f00 }, + { 0x30b6, 0x6227 }, + { 0x30b7, 0xf800 }, + { 0x30b8, 0x0000 }, + { 0x30b9, 0xf000 }, + { 0x30ba, 0x0000 }, + { 0x30bb, 0xf000 }, + { 0x30bc, 0x0000 }, + { 0x30bd, 0xf000 }, + { 0x30be, 0x0000 }, + { 0x30bf, 0xf000 }, + { 0x30c0, 0x2228 }, + { 0x30c1, 0x3a03 }, + { 0x30c2, 0x0228 }, + { 0x30c3, 0x0801 }, + { 0x30c4, 0x6255 }, + { 0x30c5, 0x0c06 }, + { 0x30c6, 0x0228 }, + { 0x30c7, 0x5901 }, + { 0x30c8, 0xe255 }, + { 0x30c9, 0x030d }, + { 0x30ca, 0x0255 }, + { 0x30cb, 0x2c01 }, + { 0x30cc, 0xe255 }, + { 0x30cd, 0x4342 }, + { 0x30ce, 0xe255 }, + { 0x30cf, 0x73c0 }, + { 0x30d0, 0x4255 }, + { 0x30d1, 0x0c00 }, + { 0x30d2, 0x0228 }, + { 0x30d3, 0x1f01 }, + { 0x30d4, 0x0228 }, + { 0x30d5, 0x1e01 }, + { 0x30d6, 0x0228 }, + { 0x30d7, 0xfa00 }, + { 0x30d8, 0x0000 }, + { 0x30d9, 0xf000 }, + { 0x30da, 0x0000 }, + { 0x30db, 0xf000 }, + { 0x30dc, 0x0000 }, + { 0x30dd, 0xf000 }, + { 0x30de, 0x0000 }, + { 0x30df, 0xf000 }, + { 0x30e0, 0x0000 }, + { 0x30e1, 0xf000 }, + { 0x30e2, 0x0000 }, + { 0x30e3, 0xf000 }, + { 0x30e4, 0x0000 }, + { 0x30e5, 0xf000 }, + { 0x30e6, 0x0000 }, + { 0x30e7, 0xf000 }, + { 0x30e8, 0x0000 }, + { 0x30e9, 0xf000 }, + { 0x30ea, 0x0000 }, + { 0x30eb, 0xf000 }, + { 0x30ec, 0x0000 }, + { 0x30ed, 0xf000 }, + { 0x30ee, 0x0000 }, + { 0x30ef, 0xf000 }, + { 0x30f0, 0x0228 }, + { 0x30f1, 0x1a01 }, + { 0x30f2, 0x0228 }, + { 0x30f3, 0x1e00 }, + { 0x30f4, 0x0228 }, + { 0x30f5, 0x1f00 }, + { 0x30f6, 0x6228 }, + { 0x30f7, 0xf800 }, + { 0x30f8, 0x0000 }, + { 0x30f9, 0xf000 }, + { 0x30fa, 0x0000 }, + { 0x30fb, 0xf000 }, + { 0x30fc, 0x0000 }, + { 0x30fd, 0xf000 }, + { 0x30fe, 0x0000 }, + { 0x30ff, 0xf000 }, + { 0x3100, 0x222b }, + { 0x3101, 0x3a03 }, + { 0x3102, 0x222b }, + { 0x3103, 0x5803 }, + { 0x3104, 0xe26f }, + { 0x3105, 0x030d }, + { 0x3106, 0x626f }, + { 0x3107, 0x2c01 }, + { 0x3108, 0xe26f }, + { 0x3109, 0x4342 }, + { 0x310a, 0xe26f }, + { 0x310b, 0x73c0 }, + { 0x310c, 0x026f }, + { 0x310d, 0x0c00 }, + { 0x310e, 0x022b }, + { 0x310f, 0x1f01 }, + { 0x3110, 0x022b }, + { 0x3111, 0x1e01 }, + { 0x3112, 0x022b }, + { 0x3113, 0xfa00 }, + { 0x3114, 0x0000 }, + { 0x3115, 0xf000 }, + { 0x3116, 0x0000 }, + { 0x3117, 0xf000 }, + { 0x3118, 0x0000 }, + { 0x3119, 0xf000 }, + { 0x311a, 0x0000 }, + { 0x311b, 0xf000 }, + { 0x311c, 0x0000 }, + { 0x311d, 0xf000 }, + { 0x311e, 0x0000 }, + { 0x311f, 0xf000 }, + { 0x3120, 0x022b }, + { 0x3121, 0x0a01 }, + { 0x3122, 0x022b }, + { 0x3123, 0x1e00 }, + { 0x3124, 0x022b }, + { 0x3125, 0x1f00 }, + { 0x3126, 0x622b }, + { 0x3127, 0xf800 }, + { 0x3128, 0x0000 }, + { 0x3129, 0xf000 }, + { 0x312a, 0x0000 }, + { 0x312b, 0xf000 }, + { 0x312c, 0x0000 }, + { 0x312d, 0xf000 }, + { 0x312e, 0x0000 }, + { 0x312f, 0xf000 }, + { 0x3130, 0x0000 }, + { 0x3131, 0xf000 }, + { 0x3132, 0x0000 }, + { 0x3133, 0xf000 }, + { 0x3134, 0x0000 }, + { 0x3135, 0xf000 }, + { 0x3136, 0x0000 }, + { 0x3137, 0xf000 }, + { 0x3138, 0x0000 }, + { 0x3139, 0xf000 }, + { 0x313a, 0x0000 }, + { 0x313b, 0xf000 }, + { 0x313c, 0x0000 }, + { 0x313d, 0xf000 }, + { 0x313e, 0x0000 }, + { 0x313f, 0xf000 }, + { 0x3140, 0x0000 }, + { 0x3141, 0xf000 }, + { 0x3142, 0x0000 }, + { 0x3143, 0xf000 }, + { 0x3144, 0x0000 }, + { 0x3145, 0xf000 }, + { 0x3146, 0x0000 }, + { 0x3147, 0xf000 }, + { 0x3148, 0x0000 }, + { 0x3149, 0xf000 }, + { 0x314a, 0x0000 }, + { 0x314b, 0xf000 }, + { 0x314c, 0x0000 }, + { 0x314d, 0xf000 }, + { 0x314e, 0x0000 }, + { 0x314f, 0xf000 }, + { 0x3150, 0x0000 }, + { 0x3151, 0xf000 }, + { 0x3152, 0x0000 }, + { 0x3153, 0xf000 }, + { 0x3154, 0x0000 }, + { 0x3155, 0xf000 }, + { 0x3156, 0x0000 }, + { 0x3157, 0xf000 }, + { 0x3158, 0x0000 }, + { 0x3159, 0xf000 }, + { 0x315a, 0x0000 }, + { 0x315b, 0xf000 }, + { 0x315c, 0x0000 }, + { 0x315d, 0xf000 }, + { 0x315e, 0x0000 }, + { 0x315f, 0xf000 }, + { 0x3160, 0x0000 }, + { 0x3161, 0xf000 }, + { 0x3162, 0x0000 }, + { 0x3163, 0xf000 }, + { 0x3164, 0x0000 }, + { 0x3165, 0xf000 }, + { 0x3166, 0x0000 }, + { 0x3167, 0xf000 }, + { 0x3168, 0x0000 }, + { 0x3169, 0xf000 }, + { 0x316a, 0x0000 }, + { 0x316b, 0xf000 }, + { 0x316c, 0x0000 }, + { 0x316d, 0xf000 }, + { 0x316e, 0x0000 }, + { 0x316f, 0xf000 }, + { 0x3170, 0x0000 }, + { 0x3171, 0xf000 }, + { 0x3172, 0x0000 }, + { 0x3173, 0xf000 }, + { 0x3174, 0x0000 }, + { 0x3175, 0xf000 }, + { 0x3176, 0x0000 }, + { 0x3177, 0xf000 }, + { 0x3178, 0x0000 }, + { 0x3179, 0xf000 }, + { 0x317a, 0x0000 }, + { 0x317b, 0xf000 }, + { 0x317c, 0x0000 }, + { 0x317d, 0xf000 }, + { 0x317e, 0x0000 }, + { 0x317f, 0xf000 }, + { 0x3180, 0x2001 }, + { 0x3181, 0xf101 }, + { 0x3182, 0x0000 }, + { 0x3183, 0xf000 }, + { 0x3184, 0x0000 }, + { 0x3185, 0xf000 }, + { 0x3186, 0x0000 }, + { 0x3187, 0xf000 }, + { 0x3188, 0x0000 }, + { 0x3189, 0xf000 }, + { 0x318a, 0x0000 }, + { 0x318b, 0xf000 }, + { 0x318c, 0x0000 }, + { 0x318d, 0xf000 }, + { 0x318e, 0x0000 }, + { 0x318f, 0xf000 }, + { 0x3190, 0x0000 }, + { 0x3191, 0xf000 }, + { 0x3192, 0x0000 }, + { 0x3193, 0xf000 }, + { 0x3194, 0x0000 }, + { 0x3195, 0xf000 }, + { 0x3196, 0x0000 }, + { 0x3197, 0xf000 }, + { 0x3198, 0x0000 }, + { 0x3199, 0xf000 }, + { 0x319a, 0x0000 }, + { 0x319b, 0xf000 }, + { 0x319c, 0x0000 }, + { 0x319d, 0xf000 }, + { 0x319e, 0x0000 }, + { 0x319f, 0xf000 }, + { 0x31a0, 0x0000 }, + { 0x31a1, 0xf000 }, + { 0x31a2, 0x0000 }, + { 0x31a3, 0xf000 }, + { 0x31a4, 0x0000 }, + { 0x31a5, 0xf000 }, + { 0x31a6, 0x0000 }, + { 0x31a7, 0xf000 }, + { 0x31a8, 0x0000 }, + { 0x31a9, 0xf000 }, + { 0x31aa, 0x0000 }, + { 0x31ab, 0xf000 }, + { 0x31ac, 0x0000 }, + { 0x31ad, 0xf000 }, + { 0x31ae, 0x0000 }, + { 0x31af, 0xf000 }, + { 0x31b0, 0x0000 }, + { 0x31b1, 0xf000 }, + { 0x31b2, 0x0000 }, + { 0x31b3, 0xf000 }, + { 0x31b4, 0x0000 }, + { 0x31b5, 0xf000 }, + { 0x31b6, 0x0000 }, + { 0x31b7, 0xf000 }, + { 0x31b8, 0x0000 }, + { 0x31b9, 0xf000 }, + { 0x31ba, 0x0000 }, + { 0x31bb, 0xf000 }, + { 0x31bc, 0x0000 }, + { 0x31bd, 0xf000 }, + { 0x31be, 0x0000 }, + { 0x31bf, 0xf000 }, + { 0x31c0, 0x0000 }, + { 0x31c1, 0xf000 }, + { 0x31c2, 0x0000 }, + { 0x31c3, 0xf000 }, + { 0x31c4, 0x0000 }, + { 0x31c5, 0xf000 }, + { 0x31c6, 0x0000 }, + { 0x31c7, 0xf000 }, + { 0x31c8, 0x0000 }, + { 0x31c9, 0xf000 }, + { 0x31ca, 0x0000 }, + { 0x31cb, 0xf000 }, + { 0x31cc, 0x0000 }, + { 0x31cd, 0xf000 }, + { 0x31ce, 0x0000 }, + { 0x31cf, 0xf000 }, + { 0x31d0, 0x0000 }, + { 0x31d1, 0xf000 }, + { 0x31d2, 0x0000 }, + { 0x31d3, 0xf000 }, + { 0x31d4, 0x0000 }, + { 0x31d5, 0xf000 }, + { 0x31d6, 0x0000 }, + { 0x31d7, 0xf000 }, + { 0x31d8, 0x0000 }, + { 0x31d9, 0xf000 }, + { 0x31da, 0x0000 }, + { 0x31db, 0xf000 }, + { 0x31dc, 0x0000 }, + { 0x31dd, 0xf000 }, + { 0x31de, 0x0000 }, + { 0x31df, 0xf000 }, + { 0x31e0, 0x0000 }, + { 0x31e1, 0xf000 }, + { 0x31e2, 0x0000 }, + { 0x31e3, 0xf000 }, + { 0x31e4, 0x0000 }, + { 0x31e5, 0xf000 }, + { 0x31e6, 0x0000 }, + { 0x31e7, 0xf000 }, + { 0x31e8, 0x0000 }, + { 0x31e9, 0xf000 }, + { 0x31ea, 0x0000 }, + { 0x31eb, 0xf000 }, + { 0x31ec, 0x0000 }, + { 0x31ed, 0xf000 }, + { 0x31ee, 0x0000 }, + { 0x31ef, 0xf000 }, + { 0x31f0, 0x0000 }, + { 0x31f1, 0xf000 }, + { 0x31f2, 0x0000 }, + { 0x31f3, 0xf000 }, + { 0x31f4, 0x0000 }, + { 0x31f5, 0xf000 }, + { 0x31f6, 0x0000 }, + { 0x31f7, 0xf000 }, + { 0x31f8, 0x0000 }, + { 0x31f9, 0xf000 }, + { 0x31fa, 0x0000 }, + { 0x31fb, 0xf000 }, + { 0x31fc, 0x0000 }, + { 0x31fd, 0xf000 }, + { 0x31fe, 0x0000 }, + { 0x31ff, 0xf000 }, + { 0x024d, 0xff50 }, + { 0x0252, 0xff50 }, + { 0x0259, 0x0112 }, + { 0x025e, 0x0112 }, +}; + +static int wm5102_sysclk_ev(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct arizona *arizona = dev_get_drvdata(codec->dev); + struct regmap *regmap = codec->control_data; + const struct reg_default *patch = NULL; + int i, patch_size; + + switch (arizona->rev) { + case 0: + patch = wm5102_sysclk_reva_patch; + patch_size = ARRAY_SIZE(wm5102_sysclk_reva_patch); + break; + } + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + if (patch) + for (i = 0; i < patch_size; i++) + regmap_write(regmap, patch[i].reg, + patch[i].def); + break; + + default: + break; + } + + return 0; +} + static const struct snd_kcontrol_new wm5102_snd_controls[] = { SOC_SINGLE("IN1 High Performance Switch", ARIZONA_IN1L_CONTROL, ARIZONA_IN1_OSR_SHIFT, 1, 0), @@ -297,7 +847,7 @@ static const struct snd_kcontrol_new wm5102_aec_loopback_mux = static const struct snd_soc_dapm_widget wm5102_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("SYSCLK", ARIZONA_SYSTEM_CLOCK_1, ARIZONA_SYSCLK_ENA_SHIFT, - 0, NULL, 0), + 0, wm5102_sysclk_ev, SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_SUPPLY("ASYNCCLK", ARIZONA_ASYNC_CLOCK_1, ARIZONA_ASYNC_CLK_ENA_SHIFT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("OPCLK", ARIZONA_OUTPUT_SYSTEM_CLOCK, diff --git a/sound/soc/codecs/wm8978.c b/sound/soc/codecs/wm8978.c index 5421fd9fbcb..4c0a8e49613 100644 --- a/sound/soc/codecs/wm8978.c +++ b/sound/soc/codecs/wm8978.c @@ -782,7 +782,7 @@ static int wm8978_hw_params(struct snd_pcm_substream *substream, wm8978->mclk_idx = -1; f_sel = wm8978->f_mclk; } else { - if (!wm8978->f_pllout) { + if (!wm8978->f_opclk) { /* We only enter here, if OPCLK is not used */ int ret = wm8978_configure_pll(codec); if (ret < 0) diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c index 3fddc7ad112..b2b2b37131b 100644 --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -3722,7 +3722,7 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data) } while (count--); if (count == 0) - dev_warn(codec->dev, "No impedence range reported for jack\n"); + dev_warn(codec->dev, "No impedance range reported for jack\n"); #ifndef CONFIG_SND_SOC_WM8994_MODULE trace_snd_soc_jack_irq(dev_name(codec->dev)); diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c index aa037b292f3..c294fbb523f 100644 --- a/sound/soc/mxs/mxs-saif.c +++ b/sound/soc/mxs/mxs-saif.c @@ -523,16 +523,24 @@ static int mxs_saif_trigger(struct snd_pcm_substream *substream, int cmd, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { /* - * write a data to saif data register to trigger - * the transfer + * write data to saif data register to trigger + * the transfer. + * For 24-bit format the 32-bit FIFO register stores + * only one channel, so we need to write twice. + * This is also safe for the other non 24-bit formats. */ __raw_writel(0, saif->base + SAIF_DATA); + __raw_writel(0, saif->base + SAIF_DATA); } else { /* - * read a data from saif data register to trigger - * the receive + * read data from saif data register to trigger + * the receive. + * For 24-bit format the 32-bit FIFO register stores + * only one channel, so we need to read twice. + * This is also safe for the other non 24-bit formats. */ __raw_readl(saif->base + SAIF_DATA); + __raw_readl(saif->base + SAIF_DATA); } master_saif->ongoing = 1; @@ -812,3 +820,4 @@ module_platform_driver(mxs_saif_driver); MODULE_AUTHOR("Freescale Semiconductor, Inc."); MODULE_DESCRIPTION("MXS ASoC SAIF driver"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:mxs-saif"); diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c index 68f2cd1a920..5a6aeaf552a 100644 --- a/sound/soc/omap/omap-dmic.c +++ b/sound/soc/omap/omap-dmic.c @@ -464,9 +464,9 @@ static __devinit int asoc_dmic_probe(struct platform_device *pdev) mutex_init(&dmic->mutex); - dmic->fclk = clk_get(dmic->dev, "dmic_fck"); + dmic->fclk = clk_get(dmic->dev, "fck"); if (IS_ERR(dmic->fclk)) { - dev_err(dmic->dev, "cant get dmic_fck\n"); + dev_err(dmic->dev, "cant get fck\n"); return -ENODEV; } diff --git a/sound/soc/omap/zoom2.c b/sound/soc/omap/zoom2.c index 677b567935f..1ff6bb9ade5 100644 --- a/sound/soc/omap/zoom2.c +++ b/sound/soc/omap/zoom2.c @@ -21,15 +21,14 @@ #include <linux/clk.h> #include <linux/platform_device.h> +#include <linux/gpio.h> #include <sound/core.h> #include <sound/pcm.h> #include <sound/soc.h> #include <asm/mach-types.h> -#include <mach/hardware.h> -#include <mach/gpio.h> -#include <mach/board-zoom.h> #include <linux/platform_data/asoc-ti-mcbsp.h> +#include <linux/platform_data/gpio-omap.h> /* Register descriptions for twl4030 codec part */ #include <linux/mfd/twl4030-audio.h> diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig index e7b83179aca..3c7c3a59ed3 100644 --- a/sound/soc/samsung/Kconfig +++ b/sound/soc/samsung/Kconfig @@ -207,6 +207,8 @@ config SND_SOC_BELLS select SND_SOC_WM5102 select SND_SOC_WM5110 select SND_SOC_WM9081 + select SND_SOC_WM0010 + select SND_SOC_WM1250_EV1 config SND_SOC_LOWLAND tristate "Audio support for Wolfson Lowland" diff --git a/sound/soc/samsung/bells.c b/sound/soc/samsung/bells.c index b0d46d63d55..b56b9a3c616 100644 --- a/sound/soc/samsung/bells.c +++ b/sound/soc/samsung/bells.c @@ -247,7 +247,7 @@ static struct snd_soc_dai_link bells_dai_wm5110[] = { { .name = "Sub", .stream_name = "Sub", - .cpu_dai_name = "wm5110-aif3", + .cpu_dai_name = "wm5102-aif3", .codec_dai_name = "wm9081-hifi", .codec_name = "wm9081.1-006c", .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index d1198627fc4..10d21be383f 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2786,8 +2786,9 @@ int snd_soc_put_volsw_sx(struct snd_kcontrol *kcontrol, val = (ucontrol->value.integer.value[0] + min) & mask; val = val << shift; - if (snd_soc_update_bits_locked(codec, reg, val_mask, val)) - return err; + err = snd_soc_update_bits_locked(codec, reg, val_mask, val); + if (err < 0) + return err; if (snd_soc_volsw_is_stereo(mc)) { val_mask = mask << rshift; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index d0a4be38dc0..6e35bcae02d 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -3745,7 +3745,7 @@ void snd_soc_dapm_shutdown(struct snd_soc_card *card) { struct snd_soc_codec *codec; - list_for_each_entry(codec, &card->codec_dev_list, list) { + list_for_each_entry(codec, &card->codec_dev_list, card_list) { soc_dapm_shutdown_codec(&codec->dapm); if (codec->dapm.bias_level == SND_SOC_BIAS_STANDBY) snd_soc_dapm_set_bias_level(&codec->dapm, diff --git a/sound/usb/card.c b/sound/usb/card.c index 561bb74fd36..dbf7999d18b 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -339,7 +339,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, } mutex_init(&chip->mutex); - mutex_init(&chip->shutdown_mutex); + init_rwsem(&chip->shutdown_rwsem); chip->index = idx; chip->dev = dev; chip->card = card; @@ -559,9 +559,11 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, return; card = chip->card; - mutex_lock(®ister_mutex); - mutex_lock(&chip->shutdown_mutex); + down_write(&chip->shutdown_rwsem); chip->shutdown = 1; + up_write(&chip->shutdown_rwsem); + + mutex_lock(®ister_mutex); chip->num_interfaces--; if (chip->num_interfaces <= 0) { snd_card_disconnect(card); @@ -582,11 +584,9 @@ static void snd_usb_audio_disconnect(struct usb_device *dev, snd_usb_mixer_disconnect(p); } usb_chip[chip->index] = NULL; - mutex_unlock(&chip->shutdown_mutex); mutex_unlock(®ister_mutex); snd_card_free_when_closed(card); } else { - mutex_unlock(&chip->shutdown_mutex); mutex_unlock(®ister_mutex); } } @@ -618,16 +618,20 @@ int snd_usb_autoresume(struct snd_usb_audio *chip) { int err = -ENODEV; + down_read(&chip->shutdown_rwsem); if (!chip->shutdown && !chip->probing) err = usb_autopm_get_interface(chip->pm_intf); + up_read(&chip->shutdown_rwsem); return err; } void snd_usb_autosuspend(struct snd_usb_audio *chip) { + down_read(&chip->shutdown_rwsem); if (!chip->shutdown && !chip->probing) usb_autopm_put_interface(chip->pm_intf); + up_read(&chip->shutdown_rwsem); } static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) diff --git a/sound/usb/card.h b/sound/usb/card.h index afa4f9e9b27..814cb357ff8 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -126,6 +126,7 @@ struct snd_usb_substream { struct snd_usb_endpoint *sync_endpoint; unsigned long flags; bool need_setup_ep; /* (re)configure EP at prepare? */ + unsigned int speed; /* USB_SPEED_XXX */ u64 formats; /* format bitmasks (all or'ed) */ unsigned int num_formats; /* number of supported audio formats (list) */ diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 7f78c6d782b..34de6f2faf6 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -35,6 +35,7 @@ #define EP_FLAG_ACTIVATED 0 #define EP_FLAG_RUNNING 1 +#define EP_FLAG_STOPPING 2 /* * snd_usb_endpoint is a model that abstracts everything related to an @@ -502,10 +503,20 @@ static int wait_clear_urbs(struct snd_usb_endpoint *ep) if (alive) snd_printk(KERN_ERR "timeout: still %d active urbs on EP #%x\n", alive, ep->ep_num); + clear_bit(EP_FLAG_STOPPING, &ep->flags); return 0; } +/* sync the pending stop operation; + * this function itself doesn't trigger the stop operation + */ +void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep) +{ + if (ep && test_bit(EP_FLAG_STOPPING, &ep->flags)) + wait_clear_urbs(ep); +} + /* * unlink active urbs. */ @@ -918,6 +929,8 @@ void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, if (wait) wait_clear_urbs(ep); + else + set_bit(EP_FLAG_STOPPING, &ep->flags); } } diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h index 6376ccf10fd..3d4c9705041 100644 --- a/sound/usb/endpoint.h +++ b/sound/usb/endpoint.h @@ -19,6 +19,7 @@ int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep, int snd_usb_endpoint_start(struct snd_usb_endpoint *ep, int can_sleep); void snd_usb_endpoint_stop(struct snd_usb_endpoint *ep, int force, int can_sleep, int wait); +void snd_usb_endpoint_sync_pending_stop(struct snd_usb_endpoint *ep); int snd_usb_endpoint_activate(struct snd_usb_endpoint *ep); int snd_usb_endpoint_deactivate(struct snd_usb_endpoint *ep); void snd_usb_endpoint_free(struct list_head *head); diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index fe56c9da38e..298070e8f2d 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -287,25 +287,32 @@ static int get_ctl_value_v1(struct usb_mixer_elem_info *cval, int request, int v unsigned char buf[2]; int val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; int timeout = 10; - int err; + int idx = 0, err; err = snd_usb_autoresume(cval->mixer->chip); if (err < 0) return -EIO; + down_read(&chip->shutdown_rwsem); while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len) >= val_len) { + validx, idx, buf, val_len) >= val_len) { *value_ret = convert_signed_value(cval, snd_usb_combine_bytes(buf, val_len)); - snd_usb_autosuspend(cval->mixer->chip); - return 0; + err = 0; + goto out; } } - snd_usb_autosuspend(cval->mixer->chip); snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); - return -EINVAL; + request, validx, idx, cval->val_type); + err = -EINVAL; + + out: + up_read(&chip->shutdown_rwsem); + snd_usb_autosuspend(cval->mixer->chip); + return err; } static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int validx, int *value_ret) @@ -313,7 +320,7 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2 + 3*sizeof(__u16)]; /* enough space for one range */ unsigned char *val; - int ret, size; + int idx = 0, ret, size; __u8 bRequest; if (request == UAC_GET_CUR) { @@ -330,16 +337,22 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v if (ret) goto error; - ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, + down_read(&chip->shutdown_rwsem); + if (chip->shutdown) + ret = -ENODEV; + else { + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); + ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), bRequest, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, size); + validx, idx, buf, size); + } + up_read(&chip->shutdown_rwsem); snd_usb_autosuspend(chip); if (ret < 0) { error: snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type); + request, validx, idx, cval->val_type); return ret; } @@ -417,7 +430,7 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, { struct snd_usb_audio *chip = cval->mixer->chip; unsigned char buf[2]; - int val_len, err, timeout = 10; + int idx = 0, val_len, err, timeout = 10; if (cval->mixer->protocol == UAC_VERSION_1) { val_len = cval->val_type >= USB_MIXER_S16 ? 2 : 1; @@ -440,19 +453,27 @@ int snd_usb_mixer_set_ctl_value(struct usb_mixer_elem_info *cval, err = snd_usb_autoresume(chip); if (err < 0) return -EIO; - while (timeout-- > 0) + down_read(&chip->shutdown_rwsem); + while (timeout-- > 0) { + if (chip->shutdown) + break; + idx = snd_usb_ctrl_intf(chip) | (cval->id << 8); if (snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), request, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, - validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), - buf, val_len) >= 0) { - snd_usb_autosuspend(chip); - return 0; + validx, idx, buf, val_len) >= 0) { + err = 0; + goto out; } - snd_usb_autosuspend(chip); + } snd_printdd(KERN_ERR "cannot set ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d, data = %#x/%#x\n", - request, validx, snd_usb_ctrl_intf(chip) | (cval->id << 8), cval->val_type, buf[0], buf[1]); - return -EINVAL; + request, validx, idx, cval->val_type, buf[0], buf[1]); + err = -EINVAL; + + out: + up_read(&chip->shutdown_rwsem); + snd_usb_autosuspend(chip); + return err; } static int set_cur_ctl_value(struct usb_mixer_elem_info *cval, int validx, int value) diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 690000db0ec..ae2b7143522 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -283,6 +283,11 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e if (value > 1) return -EINVAL; changed = value != mixer->audigy2nx_leds[index]; + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) { + err = -ENODEV; + goto out; + } if (mixer->chip->usb_id == USB_ID(0x041e, 0x3042)) err = snd_usb_ctl_msg(mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, @@ -299,6 +304,8 @@ static int snd_audigy2nx_led_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e usb_sndctrlpipe(mixer->chip->dev, 0), 0x24, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, value, index + 2, NULL, 0); + out: + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; mixer->audigy2nx_leds[index] = value; @@ -392,11 +399,16 @@ static void snd_audigy2nx_proc_read(struct snd_info_entry *entry, for (i = 0; jacks[i].name; ++i) { snd_iprintf(buffer, "%s: ", jacks[i].name); - err = snd_usb_ctl_msg(mixer->chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = 0; + else + err = snd_usb_ctl_msg(mixer->chip->dev, usb_rcvctrlpipe(mixer->chip->dev, 0), UAC_GET_MEM, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, 0, jacks[i].unitid << 8, buf, 3); + up_read(&mixer->chip->shutdown_rwsem); if (err == 3 && (buf[0] == 3 || buf[0] == 6)) snd_iprintf(buffer, "%02x %02x\n", buf[1], buf[2]); else @@ -426,10 +438,15 @@ static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol, else new_status = old_status & ~0x02; changed = new_status != old_status; - err = snd_usb_ctl_msg(mixer->chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(mixer->chip->dev, usb_sndctrlpipe(mixer->chip->dev, 0), 0x08, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER, 50, 0, &new_status, 1); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; mixer->xonar_u1_status = new_status; @@ -468,11 +485,17 @@ static int snd_nativeinstruments_control_get(struct snd_kcontrol *kcontrol, u8 bRequest = (kcontrol->private_value >> 16) & 0xff; u16 wIndex = kcontrol->private_value & 0xffff; u8 tmp; + int ret; - int ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + ret = -ENODEV; + else + ret = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), bRequest, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0, cpu_to_le16(wIndex), &tmp, sizeof(tmp), 1000); + up_read(&mixer->chip->shutdown_rwsem); if (ret < 0) { snd_printk(KERN_ERR @@ -493,11 +516,17 @@ static int snd_nativeinstruments_control_put(struct snd_kcontrol *kcontrol, u8 bRequest = (kcontrol->private_value >> 16) & 0xff; u16 wIndex = kcontrol->private_value & 0xffff; u16 wValue = ucontrol->value.integer.value[0]; + int ret; - int ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + ret = -ENODEV; + else + ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0), bRequest, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, cpu_to_le16(wValue), cpu_to_le16(wIndex), NULL, 0, 1000); + up_read(&mixer->chip->shutdown_rwsem); if (ret < 0) { snd_printk(KERN_ERR @@ -656,11 +685,16 @@ static int snd_ftu_eff_switch_get(struct snd_kcontrol *kctl, return -EINVAL; - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; @@ -703,11 +737,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, if (!pval->is_cached) { /* Read current value */ - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), UAC_GET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; @@ -719,11 +758,16 @@ static int snd_ftu_eff_switch_put(struct snd_kcontrol *kctl, if (cur_val != new_val) { value[0] = new_val; value[1] = 0; - err = snd_usb_ctl_msg(chip->dev, + down_read(&mixer->chip->shutdown_rwsem); + if (mixer->chip->shutdown) + err = -ENODEV; + else + err = snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, validx << 8, snd_usb_ctrl_intf(chip) | (id << 8), value, val_len); + up_read(&mixer->chip->shutdown_rwsem); if (err < 0) return err; diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 55e19e1b80e..5c12a3fe8c3 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -71,6 +71,8 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream unsigned int hwptr_done; subs = (struct snd_usb_substream *)substream->runtime->private_data; + if (subs->stream->chip->shutdown) + return SNDRV_PCM_POS_XRUN; spin_lock(&subs->lock); hwptr_done = subs->hwptr_done; substream->runtime->delay = snd_usb_pcm_delay(subs, @@ -444,7 +446,6 @@ static int configure_endpoint(struct snd_usb_substream *subs) { int ret; - mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ stop_endpoints(subs, 0, 0, 0); ret = snd_usb_endpoint_set_params(subs->data_endpoint, @@ -455,7 +456,7 @@ static int configure_endpoint(struct snd_usb_substream *subs) subs->cur_audiofmt, subs->sync_endpoint); if (ret < 0) - goto unlock; + return ret; if (subs->sync_endpoint) ret = snd_usb_endpoint_set_params(subs->data_endpoint, @@ -465,9 +466,6 @@ static int configure_endpoint(struct snd_usb_substream *subs) subs->cur_rate, subs->cur_audiofmt, NULL); - -unlock: - mutex_unlock(&subs->stream->chip->shutdown_mutex); return ret; } @@ -505,7 +503,13 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } - if ((ret = set_format(subs, fmt)) < 0) + down_read(&subs->stream->chip->shutdown_rwsem); + if (subs->stream->chip->shutdown) + ret = -ENODEV; + else + ret = set_format(subs, fmt); + up_read(&subs->stream->chip->shutdown_rwsem); + if (ret < 0) return ret; subs->interface = fmt->iface; @@ -527,10 +531,12 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->cur_audiofmt = NULL; subs->cur_rate = 0; subs->period_bytes = 0; - mutex_lock(&subs->stream->chip->shutdown_mutex); - stop_endpoints(subs, 0, 1, 1); - deactivate_endpoints(subs); - mutex_unlock(&subs->stream->chip->shutdown_mutex); + down_read(&subs->stream->chip->shutdown_rwsem); + if (!subs->stream->chip->shutdown) { + stop_endpoints(subs, 0, 1, 1); + deactivate_endpoints(subs); + } + up_read(&subs->stream->chip->shutdown_rwsem); return snd_pcm_lib_free_vmalloc_buffer(substream); } @@ -552,12 +558,22 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) return -ENXIO; } - if (snd_BUG_ON(!subs->data_endpoint)) - return -EIO; + down_read(&subs->stream->chip->shutdown_rwsem); + if (subs->stream->chip->shutdown) { + ret = -ENODEV; + goto unlock; + } + if (snd_BUG_ON(!subs->data_endpoint)) { + ret = -EIO; + goto unlock; + } + + snd_usb_endpoint_sync_pending_stop(subs->sync_endpoint); + snd_usb_endpoint_sync_pending_stop(subs->data_endpoint); ret = set_format(subs, subs->cur_audiofmt); if (ret < 0) - return ret; + goto unlock; iface = usb_ifnum_to_if(subs->dev, subs->cur_audiofmt->iface); alts = &iface->altsetting[subs->cur_audiofmt->altset_idx]; @@ -567,12 +583,12 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) subs->cur_audiofmt, subs->cur_rate); if (ret < 0) - return ret; + goto unlock; if (subs->need_setup_ep) { ret = configure_endpoint(subs); if (ret < 0) - return ret; + goto unlock; subs->need_setup_ep = false; } @@ -592,9 +608,11 @@ static int snd_usb_pcm_prepare(struct snd_pcm_substream *substream) /* for playback, submit the URBs now; otherwise, the first hwptr_done * updates for all URBs would happen at the same time when starting */ if (subs->direction == SNDRV_PCM_STREAM_PLAYBACK) - return start_endpoints(subs, 1); + ret = start_endpoints(subs, 1); - return 0; + unlock: + up_read(&subs->stream->chip->shutdown_rwsem); + return ret; } static struct snd_pcm_hardware snd_usb_hardware = @@ -647,7 +665,7 @@ static int hw_check_valid_format(struct snd_usb_substream *subs, return 0; } /* check whether the period time is >= the data packet interval */ - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) { + if (subs->speed != USB_SPEED_FULL) { ptime = 125 * (1 << fp->datainterval); if (ptime > pt->max || (ptime == pt->max && pt->openmax)) { hwc_debug(" > check: ptime %u > max %u\n", ptime, pt->max); @@ -925,7 +943,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre return err; param_period_time_if_needed = SNDRV_PCM_HW_PARAM_PERIOD_TIME; - if (snd_usb_get_speed(subs->dev) == USB_SPEED_FULL) + if (subs->speed == USB_SPEED_FULL) /* full speed devices have fixed data packet interval */ ptmin = 1000; if (ptmin == 1000) diff --git a/sound/usb/proc.c b/sound/usb/proc.c index ebc1a5b5b3f..d218f763501 100644 --- a/sound/usb/proc.c +++ b/sound/usb/proc.c @@ -108,7 +108,7 @@ static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct s } snd_iprintf(buffer, "\n"); } - if (snd_usb_get_speed(subs->dev) != USB_SPEED_FULL) + if (subs->speed != USB_SPEED_FULL) snd_iprintf(buffer, " Data packet interval: %d us\n", 125 * (1 << fp->datainterval)); // snd_iprintf(buffer, " Max Packet Size = %d\n", fp->maxpacksize); @@ -124,7 +124,7 @@ static void proc_dump_ep_status(struct snd_usb_substream *subs, return; snd_iprintf(buffer, " Packet Size = %d\n", ep->curpacksize); snd_iprintf(buffer, " Momentary freq = %u Hz (%#x.%04x)\n", - snd_usb_get_speed(subs->dev) == USB_SPEED_FULL + subs->speed == USB_SPEED_FULL ? get_full_speed_hz(ep->freqm) : get_high_speed_hz(ep->freqm), ep->freqm >> 16, ep->freqm & 0xffff); diff --git a/sound/usb/stream.c b/sound/usb/stream.c index 083ed81160e..1de0c8c002a 100644 --- a/sound/usb/stream.c +++ b/sound/usb/stream.c @@ -90,6 +90,7 @@ static void snd_usb_init_substream(struct snd_usb_stream *as, subs->direction = stream; subs->dev = as->chip->dev; subs->txfr_quirk = as->chip->txfr_quirk; + subs->speed = snd_usb_get_speed(subs->dev); snd_usb_set_pcm_ops(as->pcm, stream); diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index b8233ebe250..ef42797f56f 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -37,7 +37,7 @@ struct snd_usb_audio { struct usb_interface *pm_intf; u32 usb_id; struct mutex mutex; - struct mutex shutdown_mutex; + struct rw_semaphore shutdown_rwsem; unsigned int shutdown:1; unsigned int probing:1; unsigned int autosuspended:1; diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 2655ae9a3ad..ea095abbe97 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -206,8 +206,10 @@ int get_msr(int cpu, off_t offset, unsigned long long *msr) retval = pread(fd, msr, sizeof *msr, offset); close(fd); - if (retval != sizeof *msr) + if (retval != sizeof *msr) { + fprintf(stderr, "%s offset 0x%zx read failed\n", pathname, offset); return -1; + } return 0; } @@ -1101,7 +1103,9 @@ void turbostat_loop() restart: retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1114,7 +1118,9 @@ restart: } sleep(interval_sec); retval = for_all_cpus(get_counters, ODD_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1126,7 +1132,9 @@ restart: flush_stdout(); sleep(interval_sec); retval = for_all_cpus(get_counters, EVEN_COUNTERS); - if (retval) { + if (retval < -1) { + exit(retval); + } else if (retval == -1) { re_initialize(); goto restart; } @@ -1545,8 +1553,11 @@ void turbostat_init() int fork_it(char **argv) { pid_t child_pid; + int status; - for_all_cpus(get_counters, EVEN_COUNTERS); + status = for_all_cpus(get_counters, EVEN_COUNTERS); + if (status) + exit(status); /* clear affinity side-effect of get_counters() */ sched_setaffinity(0, cpu_present_setsize, cpu_present_set); gettimeofday(&tv_even, (struct timezone *)NULL); @@ -1556,7 +1567,6 @@ int fork_it(char **argv) /* child */ execvp(argv[0], argv); } else { - int status; /* parent */ if (child_pid == -1) { @@ -1568,7 +1578,7 @@ int fork_it(char **argv) signal(SIGQUIT, SIG_IGN); if (waitpid(child_pid, &status, 0) == -1) { perror("wait"); - exit(1); + exit(status); } } /* @@ -1585,7 +1595,7 @@ int fork_it(char **argv) fprintf(stderr, "%.6f sec\n", tv_delta.tv_sec + tv_delta.tv_usec/1000000.0); - return 0; + return status; } void cmdline(int argc, char **argv) @@ -1594,7 +1604,7 @@ void cmdline(int argc, char **argv) progname = argv[0]; - while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) { + while ((opt = getopt(argc, argv, "+pPSvi:sc:sC:m:M:")) != -1) { switch (opt) { case 'p': show_core_only++; diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 43480149119..85baf11e2ac 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -1,4 +1,4 @@ -TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug epoll +TARGETS = breakpoints kcmp mqueue vm cpu-hotplug memory-hotplug all: for TARGET in $(TARGETS); do \ diff --git a/tools/testing/selftests/epoll/Makefile b/tools/testing/selftests/epoll/Makefile deleted file mode 100644 index 19806ed62f5..00000000000 --- a/tools/testing/selftests/epoll/Makefile +++ /dev/null @@ -1,11 +0,0 @@ -# Makefile for epoll selftests - -all: test_epoll -%: %.c - gcc -pthread -g -o $@ $^ - -run_tests: all - ./test_epoll - -clean: - $(RM) test_epoll diff --git a/tools/testing/selftests/epoll/test_epoll.c b/tools/testing/selftests/epoll/test_epoll.c deleted file mode 100644 index f7525392ce8..00000000000 --- a/tools/testing/selftests/epoll/test_epoll.c +++ /dev/null @@ -1,344 +0,0 @@ -/* - * tools/testing/selftests/epoll/test_epoll.c - * - * Copyright 2012 Adobe Systems Incorporated - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * Paton J. Lewis <palewis@adobe.com> - * - */ - -#include <errno.h> -#include <fcntl.h> -#include <pthread.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/epoll.h> -#include <sys/socket.h> - -/* - * A pointer to an epoll_item_private structure will be stored in the epoll - * item's event structure so that we can get access to the epoll_item_private - * data after calling epoll_wait: - */ -struct epoll_item_private { - int index; /* Position of this struct within the epoll_items array. */ - int fd; - uint32_t events; - pthread_mutex_t mutex; /* Guards the following variables... */ - int stop; - int status; /* Stores any error encountered while handling item. */ - /* The following variable allows us to test whether we have encountered - a problem while attempting to cancel and delete the associated - event. When the test program exits, 'deleted' should be exactly - one. If it is greater than one, then the failed test reflects a real - world situation where we would have tried to access the epoll item's - private data after deleting it: */ - int deleted; -}; - -struct epoll_item_private *epoll_items; - -/* - * Delete the specified item from the epoll set. In a real-world secneario this - * is where we would free the associated data structure, but in this testing - * environment we retain the structure so that we can test for double-deletion: - */ -void delete_item(int index) -{ - __sync_fetch_and_add(&epoll_items[index].deleted, 1); -} - -/* - * A pointer to a read_thread_data structure will be passed as the argument to - * each read thread: - */ -struct read_thread_data { - int stop; - int status; /* Indicates any error encountered by the read thread. */ - int epoll_set; -}; - -/* - * The function executed by the read threads: - */ -void *read_thread_function(void *function_data) -{ - struct read_thread_data *thread_data = - (struct read_thread_data *)function_data; - struct epoll_event event_data; - struct epoll_item_private *item_data; - char socket_data; - - /* Handle events until we encounter an error or this thread's 'stop' - condition is set: */ - while (1) { - int result = epoll_wait(thread_data->epoll_set, - &event_data, - 1, /* Number of desired events */ - 1000); /* Timeout in ms */ - if (result < 0) { - /* Breakpoints signal all threads. Ignore that while - debugging: */ - if (errno == EINTR) - continue; - thread_data->status = errno; - return 0; - } else if (thread_data->stop) - return 0; - else if (result == 0) /* Timeout */ - continue; - - /* We need the mutex here because checking for the stop - condition and re-enabling the epoll item need to be done - together as one atomic operation when EPOLL_CTL_DISABLE is - available: */ - item_data = (struct epoll_item_private *)event_data.data.ptr; - pthread_mutex_lock(&item_data->mutex); - - /* Remove the item from the epoll set if we want to stop - handling that event: */ - if (item_data->stop) - delete_item(item_data->index); - else { - /* Clear the data that was written to the other end of - our non-blocking socket: */ - do { - if (read(item_data->fd, &socket_data, 1) < 1) { - if ((errno == EAGAIN) || - (errno == EWOULDBLOCK)) - break; - else - goto error_unlock; - } - } while (item_data->events & EPOLLET); - - /* The item was one-shot, so re-enable it: */ - event_data.events = item_data->events; - if (epoll_ctl(thread_data->epoll_set, - EPOLL_CTL_MOD, - item_data->fd, - &event_data) < 0) - goto error_unlock; - } - - pthread_mutex_unlock(&item_data->mutex); - } - -error_unlock: - thread_data->status = item_data->status = errno; - pthread_mutex_unlock(&item_data->mutex); - return 0; -} - -/* - * A pointer to a write_thread_data structure will be passed as the argument to - * the write thread: - */ -struct write_thread_data { - int stop; - int status; /* Indicates any error encountered by the write thread. */ - int n_fds; - int *fds; -}; - -/* - * The function executed by the write thread. It writes a single byte to each - * socket in turn until the stop condition for this thread is set. If writing to - * a socket would block (i.e. errno was EAGAIN), we leave that socket alone for - * the moment and just move on to the next socket in the list. We don't care - * about the order in which we deliver events to the epoll set. In fact we don't - * care about the data we're writing to the pipes at all; we just want to - * trigger epoll events: - */ -void *write_thread_function(void *function_data) -{ - const char data = 'X'; - int index; - struct write_thread_data *thread_data = - (struct write_thread_data *)function_data; - while (!thread_data->stop) - for (index = 0; - !thread_data->stop && (index < thread_data->n_fds); - ++index) - if ((write(thread_data->fds[index], &data, 1) < 1) && - (errno != EAGAIN) && - (errno != EWOULDBLOCK)) { - thread_data->status = errno; - return; - } -} - -/* - * Arguments are currently ignored: - */ -int main(int argc, char **argv) -{ - const int n_read_threads = 100; - const int n_epoll_items = 500; - int index; - int epoll_set = epoll_create1(0); - struct write_thread_data write_thread_data = { - 0, 0, n_epoll_items, malloc(n_epoll_items * sizeof(int)) - }; - struct read_thread_data *read_thread_data = - malloc(n_read_threads * sizeof(struct read_thread_data)); - pthread_t *read_threads = malloc(n_read_threads * sizeof(pthread_t)); - pthread_t write_thread; - - printf("-----------------\n"); - printf("Runing test_epoll\n"); - printf("-----------------\n"); - - epoll_items = malloc(n_epoll_items * sizeof(struct epoll_item_private)); - - if (epoll_set < 0 || epoll_items == 0 || write_thread_data.fds == 0 || - read_thread_data == 0 || read_threads == 0) - goto error; - - if (sysconf(_SC_NPROCESSORS_ONLN) < 2) { - printf("Error: please run this test on a multi-core system.\n"); - goto error; - } - - /* Create the socket pairs and epoll items: */ - for (index = 0; index < n_epoll_items; ++index) { - int socket_pair[2]; - struct epoll_event event_data; - if (socketpair(AF_UNIX, - SOCK_STREAM | SOCK_NONBLOCK, - 0, - socket_pair) < 0) - goto error; - write_thread_data.fds[index] = socket_pair[0]; - epoll_items[index].index = index; - epoll_items[index].fd = socket_pair[1]; - if (pthread_mutex_init(&epoll_items[index].mutex, NULL) != 0) - goto error; - /* We always use EPOLLONESHOT because this test is currently - structured to demonstrate the need for EPOLL_CTL_DISABLE, - which only produces useful information in the EPOLLONESHOT - case (without EPOLLONESHOT, calling epoll_ctl with - EPOLL_CTL_DISABLE will never return EBUSY). If support for - testing events without EPOLLONESHOT is desired, it should - probably be implemented in a separate unit test. */ - epoll_items[index].events = EPOLLIN | EPOLLONESHOT; - if (index < n_epoll_items / 2) - epoll_items[index].events |= EPOLLET; - epoll_items[index].stop = 0; - epoll_items[index].status = 0; - epoll_items[index].deleted = 0; - event_data.events = epoll_items[index].events; - event_data.data.ptr = &epoll_items[index]; - if (epoll_ctl(epoll_set, - EPOLL_CTL_ADD, - epoll_items[index].fd, - &event_data) < 0) - goto error; - } - - /* Create and start the read threads: */ - for (index = 0; index < n_read_threads; ++index) { - read_thread_data[index].stop = 0; - read_thread_data[index].status = 0; - read_thread_data[index].epoll_set = epoll_set; - if (pthread_create(&read_threads[index], - NULL, - read_thread_function, - &read_thread_data[index]) != 0) - goto error; - } - - if (pthread_create(&write_thread, - NULL, - write_thread_function, - &write_thread_data) != 0) - goto error; - - /* Cancel all event pollers: */ -#ifdef EPOLL_CTL_DISABLE - for (index = 0; index < n_epoll_items; ++index) { - pthread_mutex_lock(&epoll_items[index].mutex); - ++epoll_items[index].stop; - if (epoll_ctl(epoll_set, - EPOLL_CTL_DISABLE, - epoll_items[index].fd, - NULL) == 0) - delete_item(index); - else if (errno != EBUSY) { - pthread_mutex_unlock(&epoll_items[index].mutex); - goto error; - } - /* EBUSY means events were being handled; allow the other thread - to delete the item. */ - pthread_mutex_unlock(&epoll_items[index].mutex); - } -#else - for (index = 0; index < n_epoll_items; ++index) { - pthread_mutex_lock(&epoll_items[index].mutex); - ++epoll_items[index].stop; - pthread_mutex_unlock(&epoll_items[index].mutex); - /* Wait in case a thread running read_thread_function is - currently executing code between epoll_wait and - pthread_mutex_lock with this item. Note that a longer delay - would make double-deletion less likely (at the expense of - performance), but there is no guarantee that any delay would - ever be sufficient. Note also that we delete all event - pollers at once for testing purposes, but in a real-world - environment we are likely to want to be able to cancel event - pollers at arbitrary times. Therefore we can't improve this - situation by just splitting this loop into two loops - (i.e. signal 'stop' for all items, sleep, and then delete all - items). We also can't fix the problem via EPOLL_CTL_DEL - because that command can't prevent the case where some other - thread is executing read_thread_function within the region - mentioned above: */ - usleep(1); - pthread_mutex_lock(&epoll_items[index].mutex); - if (!epoll_items[index].deleted) - delete_item(index); - pthread_mutex_unlock(&epoll_items[index].mutex); - } -#endif - - /* Shut down the read threads: */ - for (index = 0; index < n_read_threads; ++index) - __sync_fetch_and_add(&read_thread_data[index].stop, 1); - for (index = 0; index < n_read_threads; ++index) { - if (pthread_join(read_threads[index], NULL) != 0) - goto error; - if (read_thread_data[index].status) - goto error; - } - - /* Shut down the write thread: */ - __sync_fetch_and_add(&write_thread_data.stop, 1); - if ((pthread_join(write_thread, NULL) != 0) || write_thread_data.status) - goto error; - - /* Check for final error conditions: */ - for (index = 0; index < n_epoll_items; ++index) { - if (epoll_items[index].status != 0) - goto error; - if (pthread_mutex_destroy(&epoll_items[index].mutex) < 0) - goto error; - } - for (index = 0; index < n_epoll_items; ++index) - if (epoll_items[index].deleted != 1) { - printf("Error: item data deleted %1d times.\n", - epoll_items[index].deleted); - goto error; - } - - printf("[PASS]\n"); - return 0; - - error: - printf("[FAIL]\n"); - return errno; -} |