diff options
67 files changed, 673 insertions, 564 deletions
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c index 99a57270250..f84dfe67724 100644 --- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -266,6 +266,7 @@ void die(const char *str, struct pt_regs *regs, int err) { struct thread_info *thread = current_thread_info(); int ret; + enum bug_trap_type bug_type = BUG_TRAP_TYPE_NONE; oops_enter(); @@ -273,7 +274,9 @@ void die(const char *str, struct pt_regs *regs, int err) console_verbose(); bust_spinlocks(1); if (!user_mode(regs)) - report_bug(regs->ARM_pc, regs); + bug_type = report_bug(regs->ARM_pc, regs); + if (bug_type != BUG_TRAP_TYPE_NONE) + str = "Oops - BUG"; ret = __die(str, err, thread, regs); if (regs && kexec_should_crash(thread->task)) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index 1e19691e040..43a31fb0631 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -10,6 +10,7 @@ #include <asm/page.h> #define PROC_INFO \ + . = ALIGN(4); \ VMLINUX_SYMBOL(__proc_info_begin) = .; \ *(.proc.info.init) \ VMLINUX_SYMBOL(__proc_info_end) = .; diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c index 21fc8764866..4e9071589bf 100644 --- a/arch/arm/mach-omap2/board-4430sdp.c +++ b/arch/arm/mach-omap2/board-4430sdp.c @@ -814,7 +814,7 @@ static struct omap_dss_board_info sdp4430_dss_data = { .default_device = &sdp4430_lcd_device, }; -static void omap_4430sdp_display_init(void) +static void __init omap_4430sdp_display_init(void) { int r; @@ -851,7 +851,7 @@ static struct omap_board_mux board_mux[] __initdata = { #define board_mux NULL #endif -static void omap4_sdp4430_wifi_mux_init(void) +static void __init omap4_sdp4430_wifi_mux_init(void) { omap_mux_init_gpio(GPIO_WIFI_IRQ, OMAP_PIN_INPUT | OMAP_PIN_OFF_WAKEUPENABLE); @@ -878,12 +878,17 @@ static struct wl12xx_platform_data omap4_sdp4430_wlan_data __initdata = { .board_tcxo_clock = WL12XX_TCXOCLOCK_26, }; -static void omap4_sdp4430_wifi_init(void) +static void __init omap4_sdp4430_wifi_init(void) { + int ret; + omap4_sdp4430_wifi_mux_init(); - if (wl12xx_set_platform_data(&omap4_sdp4430_wlan_data)) - pr_err("Error setting wl12xx data\n"); - platform_device_register(&omap_vwlan_device); + ret = wl12xx_set_platform_data(&omap4_sdp4430_wlan_data); + if (ret) + pr_err("Error setting wl12xx data: %d\n", ret); + ret = platform_device_register(&omap_vwlan_device); + if (ret) + pr_err("Error registering wl12xx device: %d\n", ret); } static void __init omap_4430sdp_init(void) diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 003fe34c934..c775bead149 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -617,6 +617,21 @@ static struct gpio omap3_evm_ehci_gpios[] __initdata = { { OMAP3_EVM_EHCI_SELECT, GPIOF_OUT_INIT_LOW, "select EHCI port" }, }; +static void __init omap3_evm_wl12xx_init(void) +{ +#ifdef CONFIG_WL12XX_PLATFORM_DATA + int ret; + + /* WL12xx WLAN Init */ + ret = wl12xx_set_platform_data(&omap3evm_wlan_data); + if (ret) + pr_err("error setting wl12xx data: %d\n", ret); + ret = platform_device_register(&omap3evm_wlan_regulator); + if (ret) + pr_err("error registering wl12xx device: %d\n", ret); +#endif +} + static void __init omap3_evm_init(void) { omap3_evm_get_revision(); @@ -665,13 +680,7 @@ static void __init omap3_evm_init(void) omap_ads7846_init(1, OMAP3_EVM_TS_GPIO, 310, NULL); omap3evm_init_smsc911x(); omap3_evm_display_init(); - -#ifdef CONFIG_WL12XX_PLATFORM_DATA - /* WL12xx WLAN Init */ - if (wl12xx_set_platform_data(&omap3evm_wlan_data)) - pr_err("error setting wl12xx data\n"); - platform_device_register(&omap3evm_wlan_regulator); -#endif + omap3_evm_wl12xx_init(); } MACHINE_START(OMAP3EVM, "OMAP3 EVM") diff --git a/arch/arm/mach-omap2/board-omap4panda.c b/arch/arm/mach-omap2/board-omap4panda.c index b7779c206a9..28fc271f703 100644 --- a/arch/arm/mach-omap2/board-omap4panda.c +++ b/arch/arm/mach-omap2/board-omap4panda.c @@ -488,13 +488,15 @@ void omap4_panda_display_init(void) static void __init omap4_panda_init(void) { int package = OMAP_PACKAGE_CBS; + int ret; if (omap_rev() == OMAP4430_REV_ES1_0) package = OMAP_PACKAGE_CBL; omap4_mux_init(board_mux, NULL, package); - if (wl12xx_set_platform_data(&omap_panda_wlan_data)) - pr_err("error setting wl12xx data\n"); + ret = wl12xx_set_platform_data(&omap_panda_wlan_data); + if (ret) + pr_err("error setting wl12xx data: %d\n", ret); omap4_panda_i2c_init(); platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices)); diff --git a/arch/arm/mach-omap2/board-zoom-peripherals.c b/arch/arm/mach-omap2/board-zoom-peripherals.c index 8d7ce11cfea..c126461836a 100644 --- a/arch/arm/mach-omap2/board-zoom-peripherals.c +++ b/arch/arm/mach-omap2/board-zoom-peripherals.c @@ -296,8 +296,10 @@ static void enable_board_wakeup_source(void) void __init zoom_peripherals_init(void) { - if (wl12xx_set_platform_data(&omap_zoom_wlan_data)) - pr_err("error setting wl12xx data\n"); + int ret = wl12xx_set_platform_data(&omap_zoom_wlan_data); + + if (ret) + pr_err("error setting wl12xx data: %d\n", ret); omap_i2c_init(); platform_device_register(&omap_vwlan_device); diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c index ad0adb5a1e0..b40c2889529 100644 --- a/arch/arm/mach-omap2/hsmmc.c +++ b/arch/arm/mach-omap2/hsmmc.c @@ -293,8 +293,8 @@ static inline void omap_hsmmc_mux(struct omap_mmc_platform_data *mmc_controller, } } -static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, - struct omap_mmc_platform_data *mmc) +static int omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, + struct omap_mmc_platform_data *mmc) { char *hc_name; @@ -430,7 +430,7 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c, #define MAX_OMAP_MMC_HWMOD_NAME_LEN 16 -void __init omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) +void omap_init_hsmmc(struct omap2_hsmmc_info *hsmmcinfo, int ctrl_nr) { struct omap_hwmod *oh; struct platform_device *pdev; @@ -487,7 +487,7 @@ done: kfree(mmc_data); } -void __init omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) +void omap2_hsmmc_init(struct omap2_hsmmc_info *controllers) { u32 reg; diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index e1cc75d1a57..fb8bc9fa43b 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -100,8 +100,8 @@ void omap_mux_write_array(struct omap_mux_partition *partition, static char *omap_mux_options; -static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition, - int gpio, int val) +static int _omap_mux_init_gpio(struct omap_mux_partition *partition, + int gpio, int val) { struct omap_mux_entry *e; struct omap_mux *gpio_mux = NULL; @@ -145,7 +145,7 @@ static int __init _omap_mux_init_gpio(struct omap_mux_partition *partition, return 0; } -int __init omap_mux_init_gpio(int gpio, int val) +int omap_mux_init_gpio(int gpio, int val) { struct omap_mux_partition *partition; int ret; @@ -159,9 +159,9 @@ int __init omap_mux_init_gpio(int gpio, int val) return -ENODEV; } -static int __init _omap_mux_get_by_name(struct omap_mux_partition *partition, - const char *muxname, - struct omap_mux **found_mux) +static int _omap_mux_get_by_name(struct omap_mux_partition *partition, + const char *muxname, + struct omap_mux **found_mux) { struct omap_mux *mux = NULL; struct omap_mux_entry *e; @@ -240,7 +240,7 @@ omap_mux_get_by_name(const char *muxname, return -ENODEV; } -int __init omap_mux_init_signal(const char *muxname, int val) +int omap_mux_init_signal(const char *muxname, int val) { struct omap_mux_partition *partition = NULL; struct omap_mux *mux = NULL; @@ -1094,8 +1094,8 @@ static void omap_mux_init_package(struct omap_mux *superset, omap_mux_package_init_balls(package_balls, superset); } -static void omap_mux_init_signals(struct omap_mux_partition *partition, - struct omap_board_mux *board_mux) +static void __init omap_mux_init_signals(struct omap_mux_partition *partition, + struct omap_board_mux *board_mux) { omap_mux_set_cmdline_signals(); omap_mux_write_array(partition, board_mux); @@ -1109,8 +1109,8 @@ static void omap_mux_init_package(struct omap_mux *superset, { } -static void omap_mux_init_signals(struct omap_mux_partition *partition, - struct omap_board_mux *board_mux) +static void __init omap_mux_init_signals(struct omap_mux_partition *partition, + struct omap_board_mux *board_mux) { } diff --git a/arch/arm/mach-omap2/omap-headsmp.S b/arch/arm/mach-omap2/omap-headsmp.S index b13ef7ef5ef..503ac777a2b 100644 --- a/arch/arm/mach-omap2/omap-headsmp.S +++ b/arch/arm/mach-omap2/omap-headsmp.S @@ -18,6 +18,7 @@ #include <linux/linkage.h> #include <linux/init.h> + __CPUINIT /* * OMAP4 specific entry point for secondary CPU to jump from ROM * code. This routine also provides a holding flag into which diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index 5192cabb40e..eba6cd3816f 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -1517,8 +1517,8 @@ static int _enable(struct omap_hwmod *oh) if (oh->_state != _HWMOD_STATE_INITIALIZED && oh->_state != _HWMOD_STATE_IDLE && oh->_state != _HWMOD_STATE_DISABLED) { - WARN(1, "omap_hwmod: %s: enabled state can only be entered " - "from initialized, idle, or disabled state\n", oh->name); + WARN(1, "omap_hwmod: %s: enabled state can only be entered from initialized, idle, or disabled state\n", + oh->name); return -EINVAL; } @@ -1600,8 +1600,8 @@ static int _idle(struct omap_hwmod *oh) pr_debug("omap_hwmod: %s: idling\n", oh->name); if (oh->_state != _HWMOD_STATE_ENABLED) { - WARN(1, "omap_hwmod: %s: idle state can only be entered from " - "enabled state\n", oh->name); + WARN(1, "omap_hwmod: %s: idle state can only be entered from enabled state\n", + oh->name); return -EINVAL; } @@ -1682,8 +1682,8 @@ static int _shutdown(struct omap_hwmod *oh) if (oh->_state != _HWMOD_STATE_IDLE && oh->_state != _HWMOD_STATE_ENABLED) { - WARN(1, "omap_hwmod: %s: disabled state can only be entered " - "from idle, or enabled state\n", oh->name); + WARN(1, "omap_hwmod: %s: disabled state can only be entered from idle, or enabled state\n", + oh->name); return -EINVAL; } @@ -2240,8 +2240,8 @@ void omap_hwmod_ocp_barrier(struct omap_hwmod *oh) BUG_ON(!oh); if (!oh->class->sysc || !oh->class->sysc->sysc_flags) { - WARN(1, "omap_device: %s: OCP barrier impossible due to " - "device configuration\n", oh->name); + WARN(1, "omap_device: %s: OCP barrier impossible due to device configuration\n", + oh->name); return; } diff --git a/arch/arm/mach-omap2/prm44xx.c b/arch/arm/mach-omap2/prm44xx.c index 33dd655e6aa..a1d6154dc12 100644 --- a/arch/arm/mach-omap2/prm44xx.c +++ b/arch/arm/mach-omap2/prm44xx.c @@ -19,6 +19,7 @@ #include "common.h" #include <plat/cpu.h> +#include <plat/irqs.h> #include <plat/prcm.h> #include "vp.h" diff --git a/arch/arm/mach-omap2/vc.c b/arch/arm/mach-omap2/vc.c index 031d116fbf1..175b7d86d86 100644 --- a/arch/arm/mach-omap2/vc.c +++ b/arch/arm/mach-omap2/vc.c @@ -247,7 +247,7 @@ static void __init omap4_vc_init_channel(struct voltagedomain *voltdm) * omap_vc_i2c_init - initialize I2C interface to PMIC * @voltdm: voltage domain containing VC data * - * Use PMIC supplied seetings for I2C high-speed mode and + * Use PMIC supplied settings for I2C high-speed mode and * master code (if set) and program the VC I2C configuration * register. * @@ -265,8 +265,8 @@ 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 all channels must match.", - __func__); + pr_warn("%s: I2C config for vdd_%s does not match other channels (%u).", + __func__, voltdm->name, i2c_high_speed); return; } @@ -292,9 +292,7 @@ void __init omap_vc_init_channel(struct voltagedomain *voltdm) u32 val; if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) { - pr_err("%s: PMIC info requried to configure vc for" - "vdd_%s not populated.Hence cannot initialize vc\n", - __func__, voltdm->name); + pr_err("%s: No PMIC info for vdd_%s\n", __func__, voltdm->name); return; } diff --git a/arch/arm/mach-omap2/vp.c b/arch/arm/mach-omap2/vp.c index 807391d84a9..0df88820978 100644 --- a/arch/arm/mach-omap2/vp.c +++ b/arch/arm/mach-omap2/vp.c @@ -41,6 +41,11 @@ void __init omap_vp_init(struct voltagedomain *voltdm) u32 val, sys_clk_rate, timeout, waittime; u32 vddmin, vddmax, vstepmin, vstepmax; + if (!voltdm->pmic || !voltdm->pmic->uv_to_vsel) { + pr_err("%s: No PMIC info for vdd_%s\n", __func__, voltdm->name); + return; + } + if (!voltdm->read || !voltdm->write) { pr_err("%s: No read/write API for accessing vdd_%s regs\n", __func__, voltdm->name); diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 07c4bc8ea0a..7a24d39661f 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -54,9 +54,15 @@ loop1: and r1, r1, #7 @ mask of the bits for current cache only cmp r1, #2 @ see what cache we have at this level blt skip @ skip if no cache, or just i-cache +#ifdef CONFIG_PREEMPT + save_and_disable_irqs r9 @ make cssr&csidr read atomic +#endif mcr p15, 2, r10, c0, c0, 0 @ select current cache level in cssr isb @ isb to sych the new cssr&csidr mrc p15, 1, r1, c0, c0, 0 @ read the new csidr +#ifdef CONFIG_PREEMPT + restore_irqs_notrace r9 +#endif and r2, r1, #7 @ extract the length of the cache lines add r2, r2, #4 @ add 4 (line length offset) ldr r4, =0x3ff diff --git a/arch/x86/include/asm/i387.h b/arch/x86/include/asm/i387.h index 6919e936345..a29571821b9 100644 --- a/arch/x86/include/asm/i387.h +++ b/arch/x86/include/asm/i387.h @@ -29,7 +29,7 @@ extern unsigned int sig_xstate_size; extern void fpu_init(void); extern void mxcsr_feature_mask_init(void); extern int init_fpu(struct task_struct *child); -extern asmlinkage void math_state_restore(void); +extern void math_state_restore(void); extern void __math_state_restore(void); extern int dump_fpu(struct pt_regs *, struct user_i387_struct *); @@ -307,9 +307,54 @@ static inline void __clear_fpu(struct task_struct *tsk) } } +/* + * Were we in an interrupt that interrupted kernel mode? + * + * We can do a kernel_fpu_begin/end() pair *ONLY* if that + * pair does nothing at all: TS_USEDFPU must be clear (so + * that we don't try to save the FPU state), and TS must + * be set (so that the clts/stts pair does nothing that is + * visible in the interrupted kernel thread). + */ +static inline bool interrupted_kernel_fpu_idle(void) +{ + return !(current_thread_info()->status & TS_USEDFPU) && + (read_cr0() & X86_CR0_TS); +} + +/* + * Were we in user mode (or vm86 mode) when we were + * interrupted? + * + * Doing kernel_fpu_begin/end() is ok if we are running + * in an interrupt context from user mode - we'll just + * save the FPU state as required. + */ +static inline bool interrupted_user_mode(void) +{ + struct pt_regs *regs = get_irq_regs(); + return regs && user_mode_vm(regs); +} + +/* + * Can we use the FPU in kernel mode with the + * whole "kernel_fpu_begin/end()" sequence? + * + * It's always ok in process context (ie "not interrupt") + * but it is sometimes ok even from an irq. + */ +static inline bool irq_fpu_usable(void) +{ + return !in_interrupt() || + interrupted_user_mode() || + interrupted_kernel_fpu_idle(); +} + static inline void kernel_fpu_begin(void) { struct thread_info *me = current_thread_info(); + + WARN_ON_ONCE(!irq_fpu_usable()); preempt_disable(); if (me->status & TS_USEDFPU) __save_init_fpu(me->task); @@ -323,14 +368,6 @@ static inline void kernel_fpu_end(void) preempt_enable(); } -static inline bool irq_fpu_usable(void) -{ - struct pt_regs *regs; - - return !in_interrupt() || !(regs = get_irq_regs()) || \ - user_mode(regs) || (read_cr0() & X86_CR0_TS); -} - /* * Some instructions like VIA's padlock instructions generate a spurious * DNA fault but don't modify SSE registers. And these instructions @@ -367,6 +404,7 @@ static inline void irq_ts_restore(int TS_state) */ static inline void save_init_fpu(struct task_struct *tsk) { + WARN_ON_ONCE(task_thread_info(tsk)->status & TS_USEDFPU); preempt_disable(); __save_init_fpu(tsk); stts(); diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 482ec3af206..8ba27dbc107 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -599,10 +599,10 @@ void __math_state_restore(void) * Careful.. There are problems with IBM-designed IRQ13 behaviour. * Don't touch unless you *really* know how it works. * - * Must be called with kernel preemption disabled (in this case, - * local interrupts are disabled at the call-site in entry.S). + * Must be called with kernel preemption disabled (eg with local + * local interrupts as in the case of do_device_not_available). */ -asmlinkage void math_state_restore(void) +void math_state_restore(void) { struct thread_info *thread = current_thread_info(); struct task_struct *tsk = thread->task; @@ -631,6 +631,7 @@ EXPORT_SYMBOL_GPL(math_state_restore); dotraplinkage void __kprobes do_device_not_available(struct pt_regs *regs, long error_code) { + WARN_ON_ONCE(!user_mode_vm(regs)); #ifdef CONFIG_MATH_EMULATION if (read_cr0() & X86_CR0_EM) { struct math_emu_info info = { }; diff --git a/arch/x86/pci/xen.c b/arch/x86/pci/xen.c index 492ade8c978..d99346ea8fd 100644 --- a/arch/x86/pci/xen.c +++ b/arch/x86/pci/xen.c @@ -374,7 +374,7 @@ int __init pci_xen_init(void) int __init pci_xen_hvm_init(void) { - if (!xen_feature(XENFEAT_hvm_pirqs)) + if (!xen_have_vector_callback || !xen_feature(XENFEAT_hvm_pirqs)) return 0; #ifdef CONFIG_ACPI diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index 041d4fe9dfe..501d4e0244b 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -409,6 +409,13 @@ static void __cpuinit xen_play_dead(void) /* used only with HOTPLUG_CPU */ play_dead_common(); HYPERVISOR_vcpu_op(VCPUOP_down, smp_processor_id(), NULL); cpu_bringup(); + /* + * Balance out the preempt calls - as we are running in cpu_idle + * loop which has been called at bootup from cpu_bringup_and_idle. + * The cpucpu_bringup_and_idle called cpu_bringup which made a + * preempt_disable() So this preempt_enable will balance it out. + */ + preempt_enable(); } #else /* !CONFIG_HOTPLUG_CPU */ diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c index 88f160b77b1..f04af931a68 100644 --- a/crypto/sha512_generic.c +++ b/crypto/sha512_generic.c @@ -78,7 +78,7 @@ static inline void LOAD_OP(int I, u64 *W, const u8 *input) static inline void BLEND_OP(int I, u64 *W) { - W[I % 16] += s1(W[(I-2) % 16]) + W[(I-7) % 16] + s0(W[(I-15) % 16]); + W[I & 15] += s1(W[(I-2) & 15]) + W[(I-7) & 15] + s0(W[(I-15) & 15]); } static void @@ -89,46 +89,42 @@ sha512_transform(u64 *state, const u8 *input) int i; u64 W[16]; - /* load the input */ - for (i = 0; i < 16; i++) - LOAD_OP(i, W, input); - /* load the state into our registers */ a=state[0]; b=state[1]; c=state[2]; d=state[3]; e=state[4]; f=state[5]; g=state[6]; h=state[7]; -#define SHA512_0_15(i, a, b, c, d, e, f, g, h) \ - t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[i]; \ - t2 = e0(a) + Maj(a, b, c); \ - d += t1; \ - h = t1 + t2 - -#define SHA512_16_79(i, a, b, c, d, e, f, g, h) \ - BLEND_OP(i, W); \ - t1 = h + e1(e) + Ch(e, f, g) + sha512_K[i] + W[(i)%16]; \ - t2 = e0(a) + Maj(a, b, c); \ - d += t1; \ - h = t1 + t2 - - for (i = 0; i < 16; i += 8) { - SHA512_0_15(i, a, b, c, d, e, f, g, h); - SHA512_0_15(i + 1, h, a, b, c, d, e, f, g); - SHA512_0_15(i + 2, g, h, a, b, c, d, e, f); - SHA512_0_15(i + 3, f, g, h, a, b, c, d, e); - SHA512_0_15(i + 4, e, f, g, h, a, b, c, d); - SHA512_0_15(i + 5, d, e, f, g, h, a, b, c); - SHA512_0_15(i + 6, c, d, e, f, g, h, a, b); - SHA512_0_15(i + 7, b, c, d, e, f, g, h, a); - } - for (i = 16; i < 80; i += 8) { - SHA512_16_79(i, a, b, c, d, e, f, g, h); - SHA512_16_79(i + 1, h, a, b, c, d, e, f, g); - SHA512_16_79(i + 2, g, h, a, b, c, d, e, f); - SHA512_16_79(i + 3, f, g, h, a, b, c, d, e); - SHA512_16_79(i + 4, e, f, g, h, a, b, c, d); - SHA512_16_79(i + 5, d, e, f, g, h, a, b, c); - SHA512_16_79(i + 6, c, d, e, f, g, h, a, b); - SHA512_16_79(i + 7, b, c, d, e, f, g, h, a); + /* now iterate */ + for (i=0; i<80; i+=8) { + if (!(i & 8)) { + int j; + + if (i < 16) { + /* load the input */ + for (j = 0; j < 16; j++) + LOAD_OP(i + j, W, input); + } else { + for (j = 0; j < 16; j++) { + BLEND_OP(i + j, W); + } + } + } + + t1 = h + e1(e) + Ch(e,f,g) + sha512_K[i ] + W[(i & 15)]; + t2 = e0(a) + Maj(a,b,c); d+=t1; h=t1+t2; + t1 = g + e1(d) + Ch(d,e,f) + sha512_K[i+1] + W[(i & 15) + 1]; + t2 = e0(h) + Maj(h,a,b); c+=t1; g=t1+t2; + t1 = f + e1(c) + Ch(c,d,e) + sha512_K[i+2] + W[(i & 15) + 2]; + t2 = e0(g) + Maj(g,h,a); b+=t1; f=t1+t2; + t1 = e + e1(b) + Ch(b,c,d) + sha512_K[i+3] + W[(i & 15) + 3]; + t2 = e0(f) + Maj(f,g,h); a+=t1; e=t1+t2; + t1 = d + e1(a) + Ch(a,b,c) + sha512_K[i+4] + W[(i & 15) + 4]; + t2 = e0(e) + Maj(e,f,g); h+=t1; d=t1+t2; + t1 = c + e1(h) + Ch(h,a,b) + sha512_K[i+5] + W[(i & 15) + 5]; + t2 = e0(d) + Maj(d,e,f); g+=t1; c=t1+t2; + t1 = b + e1(g) + Ch(g,h,a) + sha512_K[i+6] + W[(i & 15) + 6]; + t2 = e0(c) + Maj(c,d,e); f+=t1; b=t1+t2; + t1 = a + e1(f) + Ch(f,g,h) + sha512_K[i+7] + W[(i & 15) + 7]; + t2 = e0(b) + Maj(b,c,d); e+=t1; a=t1+t2; } state[0] += a; state[1] += b; state[2] += c; state[3] += d; diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index cd13e9f2f5e..f147395bac9 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -200,7 +200,7 @@ config MENELAUS config TWL4030_CORE bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support" - depends on I2C=y && GENERIC_HARDIRQS && IRQ_DOMAIN + depends on I2C=y && GENERIC_HARDIRQS help Say yes here if you have TWL4030 / TWL6030 family chip on your board. This core driver provides register access and IRQ handling diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c index e04e04ddc15..8ce3959c691 100644 --- a/drivers/mfd/twl-core.c +++ b/drivers/mfd/twl-core.c @@ -263,7 +263,9 @@ struct twl_client { static struct twl_client twl_modules[TWL_NUM_SLAVES]; +#ifdef CONFIG_IRQ_DOMAIN static struct irq_domain domain; +#endif /* mapping the module id to slave id and base address */ struct twl_mapping { @@ -1226,13 +1228,13 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id) pdata->irq_base = status; pdata->irq_end = pdata->irq_base + nr_irqs; +#ifdef CONFIG_IRQ_DOMAIN domain.irq_base = pdata->irq_base; domain.nr_irq = nr_irqs; -#ifdef CONFIG_OF_IRQ domain.of_node = of_node_get(node); domain.ops = &irq_domain_simple_ops; -#endif irq_domain_add(&domain); +#endif if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) { dev_dbg(&client->dev, "can't talk I2C?\n"); diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c index d905f517115..79ca33dfacc 100644 --- a/drivers/mfd/twl4030-power.c +++ b/drivers/mfd/twl4030-power.c @@ -124,7 +124,7 @@ static u8 res_config_addrs[] = { [RES_MAIN_REF] = 0x94, }; -static int __init twl4030_write_script_byte(u8 address, u8 byte) +static int __devinit twl4030_write_script_byte(u8 address, u8 byte) { int err; @@ -138,7 +138,7 @@ out: return err; } -static int __init twl4030_write_script_ins(u8 address, u16 pmb_message, +static int __devinit twl4030_write_script_ins(u8 address, u16 pmb_message, u8 delay, u8 next) { int err; @@ -158,7 +158,7 @@ out: return err; } -static int __init twl4030_write_script(u8 address, struct twl4030_ins *script, +static int __devinit twl4030_write_script(u8 address, struct twl4030_ins *script, int len) { int err; @@ -183,7 +183,7 @@ static int __init twl4030_write_script(u8 address, struct twl4030_ins *script, return err; } -static int __init twl4030_config_wakeup3_sequence(u8 address) +static int __devinit twl4030_config_wakeup3_sequence(u8 address) { int err; u8 data; @@ -208,7 +208,7 @@ out: return err; } -static int __init twl4030_config_wakeup12_sequence(u8 address) +static int __devinit twl4030_config_wakeup12_sequence(u8 address) { int err = 0; u8 data; @@ -262,7 +262,7 @@ out: return err; } -static int __init twl4030_config_sleep_sequence(u8 address) +static int __devinit twl4030_config_sleep_sequence(u8 address) { int err; @@ -276,7 +276,7 @@ static int __init twl4030_config_sleep_sequence(u8 address) return err; } -static int __init twl4030_config_warmreset_sequence(u8 address) +static int __devinit twl4030_config_warmreset_sequence(u8 address) { int err; u8 rd_data; @@ -324,7 +324,7 @@ out: return err; } -static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig) +static int __devinit twl4030_configure_resource(struct twl4030_resconfig *rconfig) { int rconfig_addr; int err; @@ -416,7 +416,7 @@ static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig) return 0; } -static int __init load_twl4030_script(struct twl4030_script *tscript, +static int __devinit load_twl4030_script(struct twl4030_script *tscript, u8 address) { int err; @@ -527,7 +527,7 @@ void twl4030_power_off(void) pr_err("TWL4030 Unable to power off\n"); } -void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts) +void __devinit twl4030_power_init(struct twl4030_power_data *twl4030_scripts) { int err = 0; int i; diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 0cad48a284a..c6a383d0244 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -1694,6 +1694,7 @@ static int mmc_add_disk(struct mmc_blk_data *md) md->power_ro_lock.show = power_ro_lock_show; md->power_ro_lock.store = power_ro_lock_store; + sysfs_attr_init(&md->power_ro_lock.attr); md->power_ro_lock.attr.mode = mode; md->power_ro_lock.attr.name = "ro_lock_until_next_power_on"; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index f545a3e6eb8..690255c7d4d 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -290,8 +290,11 @@ static void mmc_wait_for_req_done(struct mmc_host *host, static void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq, bool is_first_req) { - if (host->ops->pre_req) + if (host->ops->pre_req) { + mmc_host_clk_hold(host); host->ops->pre_req(host, mrq, is_first_req); + mmc_host_clk_release(host); + } } /** @@ -306,8 +309,11 @@ static void mmc_pre_req(struct mmc_host *host, struct mmc_request *mrq, static void mmc_post_req(struct mmc_host *host, struct mmc_request *mrq, int err) { - if (host->ops->post_req) + if (host->ops->post_req) { + mmc_host_clk_hold(host); host->ops->post_req(host, mrq, err); + mmc_host_clk_release(host); + } } /** @@ -620,7 +626,9 @@ int mmc_host_enable(struct mmc_host *host) int err; host->en_dis_recurs = 1; + mmc_host_clk_hold(host); err = host->ops->enable(host); + mmc_host_clk_release(host); host->en_dis_recurs = 0; if (err) { @@ -640,7 +648,9 @@ static int mmc_host_do_disable(struct mmc_host *host, int lazy) int err; host->en_dis_recurs = 1; + mmc_host_clk_hold(host); err = host->ops->disable(host, lazy); + mmc_host_clk_release(host); host->en_dis_recurs = 0; if (err < 0) { @@ -1121,6 +1131,10 @@ int mmc_regulator_set_ocr(struct mmc_host *mmc, * might not allow this operation */ voltage = regulator_get_voltage(supply); + + if (mmc->caps2 & MMC_CAP2_BROKEN_VOLTAGE) + min_uV = max_uV = voltage; + if (voltage < 0) result = voltage; else if (voltage < min_uV || voltage > max_uV) @@ -1203,8 +1217,11 @@ int mmc_set_signal_voltage(struct mmc_host *host, int signal_voltage, bool cmd11 host->ios.signal_voltage = signal_voltage; - if (host->ops->start_signal_voltage_switch) + if (host->ops->start_signal_voltage_switch) { + mmc_host_clk_hold(host); err = host->ops->start_signal_voltage_switch(host, &host->ios); + mmc_host_clk_release(host); + } return err; } @@ -1239,6 +1256,7 @@ static void mmc_poweroff_notify(struct mmc_host *host) int err = 0; card = host->card; + mmc_claim_host(host); /* * Send power notify command only if card @@ -1269,6 +1287,7 @@ static void mmc_poweroff_notify(struct mmc_host *host) /* Set the card state to no notification after the poweroff */ card->poweroff_notify_state = MMC_NO_POWER_NOTIFICATION; } + mmc_release_host(host); } /* @@ -1327,12 +1346,28 @@ static void mmc_power_up(struct mmc_host *host) void mmc_power_off(struct mmc_host *host) { + int err = 0; mmc_host_clk_hold(host); host->ios.clock = 0; host->ios.vdd = 0; - mmc_poweroff_notify(host); + /* + * For eMMC 4.5 device send AWAKE command before + * POWER_OFF_NOTIFY command, because in sleep state + * eMMC 4.5 devices respond to only RESET and AWAKE cmd + */ + if (host->card && mmc_card_is_sleep(host->card) && + host->bus_ops->resume) { + err = host->bus_ops->resume(host); + + if (!err) + mmc_poweroff_notify(host); + else + pr_warning("%s: error %d during resume " + "(continue with poweroff sequence)\n", + mmc_hostname(host), err); + } /* * Reset ocr mask to be the highest possible voltage supported for @@ -2386,12 +2421,6 @@ int mmc_suspend_host(struct mmc_host *host) */ if (mmc_try_claim_host(host)) { if (host->bus_ops->suspend) { - /* - * For eMMC 4.5 device send notify command - * before sleep, because in sleep state eMMC 4.5 - * devices respond to only RESET and AWAKE cmd - */ - mmc_poweroff_notify(host); err = host->bus_ops->suspend(host); } mmc_do_release_host(host); diff --git a/drivers/mmc/core/host.h b/drivers/mmc/core/host.h index fb8a5cd2e4a..08a7852ade4 100644 --- a/drivers/mmc/core/host.h +++ b/drivers/mmc/core/host.h @@ -14,27 +14,6 @@ int mmc_register_host_class(void); void mmc_unregister_host_class(void); - -#ifdef CONFIG_MMC_CLKGATE -void mmc_host_clk_hold(struct mmc_host *host); -void mmc_host_clk_release(struct mmc_host *host); -unsigned int mmc_host_clk_rate(struct mmc_host *host); - -#else -static inline void mmc_host_clk_hold(struct mmc_host *host) -{ -} - -static inline void mmc_host_clk_release(struct mmc_host *host) -{ -} - -static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) -{ - return host->ios.clock; -} -#endif - void mmc_host_deeper_disable(struct work_struct *work); #endif diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 59b9ba52e66..a48066344fa 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -376,7 +376,7 @@ static int mmc_read_ext_csd(struct mmc_card *card, u8 *ext_csd) } card->ext_csd.raw_hc_erase_gap_size = - ext_csd[EXT_CSD_PARTITION_ATTRIBUTE]; + ext_csd[EXT_CSD_HC_WP_GRP_SIZE]; card->ext_csd.raw_sec_trim_mult = ext_csd[EXT_CSD_SEC_TRIM_MULT]; card->ext_csd.raw_sec_erase_mult = @@ -551,7 +551,7 @@ static int mmc_compare_ext_csds(struct mmc_card *card, unsigned bus_width) goto out; /* only compare read only fields */ - err = (!(card->ext_csd.raw_partition_support == + err = !((card->ext_csd.raw_partition_support == bw_ext_csd[EXT_CSD_PARTITION_SUPPORT]) && (card->ext_csd.raw_erased_mem_count == bw_ext_csd[EXT_CSD_ERASED_MEM_CONT]) && @@ -1006,7 +1006,8 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_hs200(card); else if (host->caps & MMC_CAP_MMC_HIGHSPEED) err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, - EXT_CSD_HS_TIMING, 1, 0); + EXT_CSD_HS_TIMING, 1, + card->ext_csd.generic_cmd6_time); if (err && err != -EBADMSG) goto free_card; @@ -1116,7 +1117,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, * Activate wide bus and DDR (if supported). */ if (!mmc_card_hs200(card) && - (card->csd.mmca_vsn >= CSD_SPEC_VER_3) && + (card->csd.mmca_vsn >= CSD_SPEC_VER_4) && (host->caps & (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA))) { static unsigned ext_csd_bits[][2] = { { EXT_CSD_BUS_WIDTH_8, EXT_CSD_DDR_BUS_WIDTH_8 }, @@ -1315,11 +1316,13 @@ static int mmc_suspend(struct mmc_host *host) BUG_ON(!host->card); mmc_claim_host(host); - if (mmc_card_can_sleep(host)) + if (mmc_card_can_sleep(host)) { err = mmc_card_sleep(host); - else if (!mmc_host_is_spi(host)) + if (!err) + mmc_card_set_sleep(host->card); + } else if (!mmc_host_is_spi(host)) mmc_deselect_cards(host); - host->card->state &= ~MMC_STATE_HIGHSPEED; + host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200); mmc_release_host(host); return err; @@ -1339,7 +1342,11 @@ static int mmc_resume(struct mmc_host *host) BUG_ON(!host->card); mmc_claim_host(host); - err = mmc_init_card(host, host->ocr, host->card); + if (mmc_card_is_sleep(host->card)) { + err = mmc_card_awake(host); + mmc_card_clr_sleep(host->card); + } else + err = mmc_init_card(host, host->ocr, host->card); mmc_release_host(host); return err; @@ -1349,7 +1356,8 @@ static int mmc_power_restore(struct mmc_host *host) { int ret; - host->card->state &= ~MMC_STATE_HIGHSPEED; + host->card->state &= ~(MMC_STATE_HIGHSPEED | MMC_STATE_HIGHSPEED_200); + mmc_card_clr_sleep(host->card); mmc_claim_host(host); ret = mmc_init_card(host, host->ocr, host->card); mmc_release_host(host); diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index c63ad03c29c..5017f9354ce 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -451,9 +451,11 @@ static int sd_select_driver_type(struct mmc_card *card, u8 *status) * information and let the hardware specific code * return what is possible given the options */ + mmc_host_clk_hold(card->host); drive_strength = card->host->ops->select_drive_strength( card->sw_caps.uhs_max_dtr, host_drv_type, card_drv_type); + mmc_host_clk_release(card->host); err = mmc_sd_switch(card, 1, 2, drive_strength, status); if (err) @@ -660,9 +662,12 @@ static int mmc_sd_init_uhs_card(struct mmc_card *card) goto out; /* SPI mode doesn't define CMD19 */ - if (!mmc_host_is_spi(card->host) && card->host->ops->execute_tuning) + if (!mmc_host_is_spi(card->host) && card->host->ops->execute_tuning) { + mmc_host_clk_hold(card->host); err = card->host->ops->execute_tuning(card->host, MMC_SEND_TUNING_BLOCK); + mmc_host_clk_release(card->host); + } out: kfree(status); @@ -850,8 +855,11 @@ int mmc_sd_setup_card(struct mmc_host *host, struct mmc_card *card, if (!reinit) { int ro = -1; - if (host->ops->get_ro) + if (host->ops->get_ro) { + mmc_host_clk_hold(card->host); ro = host->ops->get_ro(host); + mmc_host_clk_release(card->host); + } if (ro < 0) { pr_warning("%s: host does not " @@ -967,8 +975,11 @@ static int mmc_sd_init_card(struct mmc_host *host, u32 ocr, * Since initialization is now complete, enable preset * value registers for UHS-I cards. */ - if (host->ops->enable_preset_value) + if (host->ops->enable_preset_value) { + mmc_host_clk_hold(card->host); host->ops->enable_preset_value(host, true); + mmc_host_clk_release(card->host); + } } else { /* * Attempt to change to high-speed (if supported) @@ -1151,8 +1162,11 @@ int mmc_attach_sd(struct mmc_host *host) return err; /* Disable preset value enable if already set since last time */ - if (host->ops->enable_preset_value) + if (host->ops->enable_preset_value) { + mmc_host_clk_hold(host); host->ops->enable_preset_value(host, false); + mmc_host_clk_release(host); + } err = mmc_send_app_op_cond(host, 0, &ocr); if (err) diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index bd7bacc950d..12cde6ee17f 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -98,10 +98,11 @@ fail: return ret; } -static int sdio_read_cccr(struct mmc_card *card) +static int sdio_read_cccr(struct mmc_card *card, u32 ocr) { int ret; int cccr_vsn; + int uhs = ocr & R4_18V_PRESENT; unsigned char data; unsigned char speed; @@ -149,7 +150,7 @@ static int sdio_read_cccr(struct mmc_card *card) card->scr.sda_spec3 = 0; card->sw_caps.sd3_bus_mode = 0; card->sw_caps.sd3_drv_type = 0; - if (cccr_vsn >= SDIO_CCCR_REV_3_00) { + if (cccr_vsn >= SDIO_CCCR_REV_3_00 && uhs) { card->scr.sda_spec3 = 1; ret = mmc_io_rw_direct(card, 0, 0, SDIO_CCCR_UHS, 0, &data); @@ -712,7 +713,7 @@ static int mmc_sdio_init_card(struct mmc_host *host, u32 ocr, /* * Read the common registers. */ - err = sdio_read_cccr(card); + err = sdio_read_cccr(card, ocr); if (err) goto remove; diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index 68f81b9ee0f..f573e7f9f74 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -146,15 +146,21 @@ static int sdio_irq_thread(void *_host) } set_current_state(TASK_INTERRUPTIBLE); - if (host->caps & MMC_CAP_SDIO_IRQ) + if (host->caps & MMC_CAP_SDIO_IRQ) { + mmc_host_clk_hold(host); host->ops->enable_sdio_irq(host, 1); + mmc_host_clk_release(host); + } if (!kthread_should_stop()) schedule_timeout(period); set_current_state(TASK_RUNNING); } while (!kthread_should_stop()); - if (host->caps & MMC_CAP_SDIO_IRQ) + if (host->caps & MMC_CAP_SDIO_IRQ) { + mmc_host_clk_hold(host); host->ops->enable_sdio_irq(host, 0); + mmc_host_clk_release(host); + } pr_debug("%s: IRQ thread exiting with code %d\n", mmc_hostname(host), ret); diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index fcfe1eb5acc..6985cdb0bb2 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -969,11 +969,14 @@ static void atmci_start_request(struct atmel_mci *host, host->data_status = 0; if (host->need_reset) { + iflags = atmci_readl(host, ATMCI_IMR); + iflags &= (ATMCI_SDIOIRQA | ATMCI_SDIOIRQB); atmci_writel(host, ATMCI_CR, ATMCI_CR_SWRST); atmci_writel(host, ATMCI_CR, ATMCI_CR_MCIEN); atmci_writel(host, ATMCI_MR, host->mode_reg); if (host->caps.has_cfg_reg) atmci_writel(host, ATMCI_CFG, host->cfg_reg); + atmci_writel(host, ATMCI_IER, iflags); host->need_reset = false; } atmci_writel(host, ATMCI_SDCR, slot->sdc_reg); diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 0e342793ff1..8bec1c36b15 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -22,7 +22,6 @@ #include <linux/ioport.h> #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/scatterlist.h> #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/stat.h> @@ -502,8 +501,14 @@ static void dw_mci_submit_data(struct dw_mci *host, struct mmc_data *data) host->dir_status = DW_MCI_SEND_STATUS; if (dw_mci_submit_data_dma(host, data)) { + int flags = SG_MITER_ATOMIC; + if (host->data->flags & MMC_DATA_READ) + flags |= SG_MITER_TO_SG; + else + flags |= SG_MITER_FROM_SG; + + sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags); host->sg = data->sg; - host->pio_offset = 0; host->part_buf_start = 0; host->part_buf_count = 0; @@ -972,6 +977,7 @@ static void dw_mci_tasklet_func(unsigned long priv) * generates a block interrupt, hence setting * the scatter-gather pointer to NULL. */ + sg_miter_stop(&host->sg_miter); host->sg = NULL; ctrl = mci_readl(host, CTRL); ctrl |= SDMMC_CTRL_FIFO_RESET; @@ -1311,54 +1317,44 @@ static void dw_mci_pull_data(struct dw_mci *host, void *buf, int cnt) static void dw_mci_read_data_pio(struct dw_mci *host) { - struct scatterlist *sg = host->sg; - void *buf = sg_virt(sg); - unsigned int offset = host->pio_offset; + struct sg_mapping_iter *sg_miter = &host->sg_miter; + void *buf; + unsigned int offset; struct mmc_data *data = host->data; int shift = host->data_shift; u32 status; unsigned int nbytes = 0, len; + unsigned int remain, fcnt; do { - len = host->part_buf_count + - (SDMMC_GET_FCNT(mci_readl(host, STATUS)) << shift); - if (offset + len <= sg->length) { + if (!sg_miter_next(sg_miter)) + goto done; + + host->sg = sg_miter->__sg; + buf = sg_miter->addr; + remain = sg_miter->length; + offset = 0; + + do { + fcnt = (SDMMC_GET_FCNT(mci_readl(host, STATUS)) + << shift) + host->part_buf_count; + len = min(remain, fcnt); + if (!len) + break; dw_mci_pull_data(host, (void *)(buf + offset), len); - offset += len; nbytes += len; - - if (offset == sg->length) { - flush_dcache_page(sg_page(sg)); - host->sg = sg = sg_next(sg); - if (!sg) - goto done; - - offset = 0; - buf = sg_virt(sg); - } - } else { - unsigned int remaining = sg->length - offset; - dw_mci_pull_data(host, (void *)(buf + offset), - remaining); - nbytes += remaining; - - flush_dcache_page(sg_page(sg)); - host->sg = sg = sg_next(sg); - if (!sg) - goto done; - - offset = len - remaining; - buf = sg_virt(sg); - dw_mci_pull_data(host, buf, offset); - nbytes += offset; - } + remain -= len; + } while (remain); + sg_miter->consumed = offset; status = mci_readl(host, MINTSTS); mci_writel(host, RINTSTS, SDMMC_INT_RXDR); if (status & DW_MCI_DATA_ERROR_FLAGS) { host->data_status = status; data->bytes_xfered += nbytes; + sg_miter_stop(sg_miter); + host->sg = NULL; smp_wmb(); set_bit(EVENT_DATA_ERROR, &host->pending_events); @@ -1367,65 +1363,66 @@ static void dw_mci_read_data_pio(struct dw_mci *host) return; } } while (status & SDMMC_INT_RXDR); /*if the RXDR is ready read again*/ - host->pio_offset = offset; data->bytes_xfered += nbytes; + + if (!remain) { + if (!sg_miter_next(sg_miter)) + goto done; + sg_miter->consumed = 0; + } + sg_miter_stop(sg_miter); return; done: data->bytes_xfered += nbytes; + sg_miter_stop(sg_miter); + host->sg = NULL; smp_wmb(); set_bit(EVENT_XFER_COMPLETE, &host->pending_events); } static void dw_mci_write_data_pio(struct dw_mci *host) { - struct scatterlist *sg = host->sg; - void *buf = sg_virt(sg); - unsigned int offset = host->pio_offset; + struct sg_mapping_iter *sg_miter = &host->sg_miter; + void *buf; + unsigned int offset; struct mmc_data *data = host->data; int shift = host->data_shift; u32 status; unsigned int nbytes = 0, len; + unsigned int fifo_depth = host->fifo_depth; + unsigned int remain, fcnt; do { - len = ((host->fifo_depth - - SDMMC_GET_FCNT(mci_readl(host, STATUS))) << shift) - - host->part_buf_count; - if (offset + len <= sg->length) { + if (!sg_miter_next(sg_miter)) + goto done; + + host->sg = sg_miter->__sg; + buf = sg_miter->addr; + remain = sg_miter->length; + offset = 0; + + do { + fcnt = ((fifo_depth - + SDMMC_GET_FCNT(mci_readl(host, STATUS))) + << shift) - host->part_buf_count; + len = min(remain, fcnt); + if (!len) + break; host->push_data(host, (void *)(buf + offset), len); - offset += len; nbytes += len; - if (offset == sg->length) { - host->sg = sg = sg_next(sg); - if (!sg) - goto done; - - offset = 0; - buf = sg_virt(sg); - } - } else { - unsigned int remaining = sg->length - offset; - - host->push_data(host, (void *)(buf + offset), - remaining); - nbytes += remaining; - - host->sg = sg = sg_next(sg); - if (!sg) - goto done; - - offset = len - remaining; - buf = sg_virt(sg); - host->push_data(host, (void *)buf, offset); - nbytes += offset; - } + remain -= len; + } while (remain); + sg_miter->consumed = offset; status = mci_readl(host, MINTSTS); mci_writel(host, RINTSTS, SDMMC_INT_TXDR); if (status & DW_MCI_DATA_ERROR_FLAGS) { host->data_status = status; data->bytes_xfered += nbytes; + sg_miter_stop(sg_miter); + host->sg = NULL; smp_wmb(); @@ -1435,12 +1432,20 @@ static void dw_mci_write_data_pio(struct dw_mci *host) return; } } while (status & SDMMC_INT_TXDR); /* if TXDR write again */ - host->pio_offset = offset; data->bytes_xfered += nbytes; + + if (!remain) { + if (!sg_miter_next(sg_miter)) + goto done; + sg_miter->consumed = 0; + } + sg_miter_stop(sg_miter); return; done: data->bytes_xfered += nbytes; + sg_miter_stop(sg_miter); + host->sg = NULL; smp_wmb(); set_bit(EVENT_XFER_COMPLETE, &host->pending_events); } @@ -1643,6 +1648,7 @@ static void dw_mci_work_routine_card(struct work_struct *work) * block interrupt, hence setting the * scatter-gather pointer to NULL. */ + sg_miter_stop(&host->sg_miter); host->sg = NULL; ctrl = mci_readl(host, CTRL); diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c index ab66f2454dc..1534b582c41 100644 --- a/drivers/mmc/host/of_mmc_spi.c +++ b/drivers/mmc/host/of_mmc_spi.c @@ -113,8 +113,8 @@ struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi) const int j = i * 2; u32 mask; - mask = mmc_vddrange_to_ocrmask(voltage_ranges[j], - voltage_ranges[j + 1]); + mask = mmc_vddrange_to_ocrmask(be32_to_cpu(voltage_ranges[j]), + be32_to_cpu(voltage_ranges[j + 1])); if (!mask) { ret = -EINVAL; dev_err(dev, "OF: voltage-range #%d is invalid\n", i); diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index ff4adc01804..5d876ff86f3 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -38,6 +38,23 @@ static u8 esdhc_readb(struct sdhci_host *host, int reg) int base = reg & ~0x3; int shift = (reg & 0x3) * 8; u8 ret = (in_be32(host->ioaddr + base) >> shift) & 0xff; + + /* + * "DMA select" locates at offset 0x28 in SD specification, but on + * P5020 or P3041, it locates at 0x29. + */ + if (reg == SDHCI_HOST_CONTROL) { + u32 dma_bits; + + dma_bits = in_be32(host->ioaddr + reg); + /* DMA select is 22,23 bits in Protocol Control Register */ + dma_bits = (dma_bits >> 5) & SDHCI_CTRL_DMA_MASK; + + /* fixup the result */ + ret &= ~SDHCI_CTRL_DMA_MASK; + ret |= dma_bits; + } + return ret; } @@ -56,6 +73,21 @@ static void esdhc_writew(struct sdhci_host *host, u16 val, int reg) static void esdhc_writeb(struct sdhci_host *host, u8 val, int reg) { + /* + * "DMA select" location is offset 0x28 in SD specification, but on + * P5020 or P3041, it's located at 0x29. + */ + if (reg == SDHCI_HOST_CONTROL) { + u32 dma_bits; + + /* DMA select is 22,23 bits in Protocol Control Register */ + dma_bits = (val & SDHCI_CTRL_DMA_MASK) << 5; + clrsetbits_be32(host->ioaddr + reg , SDHCI_CTRL_DMA_MASK << 5, + dma_bits); + val &= ~SDHCI_CTRL_DMA_MASK; + val |= in_be32(host->ioaddr + reg) & SDHCI_CTRL_DMA_MASK; + } + /* Prevent SDHCI core from writing reserved bits (e.g. HISPD). */ if (reg == SDHCI_HOST_CONTROL) val &= ~ESDHC_HOST_CONTROL_RES; diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 7165e6a0927..6ebdc4010e7 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -250,7 +250,7 @@ static int mfd_emmc_probe_slot(struct sdhci_pci_slot *slot) static int mfd_sdio_probe_slot(struct sdhci_pci_slot *slot) { - slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD; + slot->host->mmc->caps |= MMC_CAP_POWER_OFF_CARD | MMC_CAP_NONREMOVABLE; return 0; } diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 03970bcb349..c5c2a48bdd9 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -2,7 +2,7 @@ * sdhci-pltfm.c Support for SDHCI platform devices * Copyright (c) 2009 Intel Corporation * - * Copyright (c) 2007 Freescale Semiconductor, Inc. + * Copyright (c) 2007, 2011 Freescale Semiconductor, Inc. * Copyright (c) 2009 MontaVista Software, Inc. * * Authors: Xiaobo Xie <X.Xie@freescale.com> @@ -71,6 +71,14 @@ void sdhci_get_of_property(struct platform_device *pdev) if (sdhci_of_wp_inverted(np)) host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT; + if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc")) + host->quirks |= SDHCI_QUIRK_BROKEN_DMA; + + if (of_device_is_compatible(np, "fsl,p2020-esdhc") || + of_device_is_compatible(np, "fsl,p1010-esdhc") || + of_device_is_compatible(np, "fsl,mpc8536-esdhc")) + host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL; + clk = of_get_property(np, "clock-frequency", &size); if (clk && size == sizeof(*clk) && *clk) pltfm_host->clock = be32_to_cpup(clk); diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c index f5d8b53be33..352d4797865 100644 --- a/drivers/mmc/host/sh_mmcif.c +++ b/drivers/mmc/host/sh_mmcif.c @@ -1327,7 +1327,7 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev) if (ret < 0) goto clean_up2; - mmc_add_host(mmc); + INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work); sh_mmcif_writel(host->addr, MMCIF_CE_INT_MASK, MASK_ALL); @@ -1338,22 +1338,24 @@ static int __devinit sh_mmcif_probe(struct platform_device *pdev) } ret = request_threaded_irq(irq[1], sh_mmcif_intr, sh_mmcif_irqt, 0, "sh_mmc:int", host); if (ret) { - free_irq(irq[0], host); dev_err(&pdev->dev, "request_irq error (sh_mmc:int)\n"); - goto clean_up3; + goto clean_up4; } - INIT_DELAYED_WORK(&host->timeout_work, mmcif_timeout_work); - - mmc_detect_change(host->mmc, 0); + ret = mmc_add_host(mmc); + if (ret < 0) + goto clean_up5; dev_info(&pdev->dev, "driver version %s\n", DRIVER_VERSION); dev_dbg(&pdev->dev, "chip ver H'%04x\n", sh_mmcif_readl(host->addr, MMCIF_CE_VERSION) & 0x0000ffff); return ret; +clean_up5: + free_irq(irq[1], host); +clean_up4: + free_irq(irq[0], host); clean_up3: - mmc_remove_host(mmc); pm_runtime_suspend(&pdev->dev); clean_up2: pm_runtime_disable(&pdev->dev); diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h index a95e6d90172..f96c536d130 100644 --- a/drivers/mmc/host/tmio_mmc.h +++ b/drivers/mmc/host/tmio_mmc.h @@ -20,8 +20,8 @@ #include <linux/mmc/tmio.h> #include <linux/mutex.h> #include <linux/pagemap.h> -#include <linux/spinlock.h> #include <linux/scatterlist.h> +#include <linux/spinlock.h> /* Definitions for values the CTRL_SDIO_STATUS register can take. */ #define TMIO_SDIO_STAT_IOIRQ 0x0001 @@ -120,6 +120,7 @@ void tmio_mmc_start_dma(struct tmio_mmc_host *host, struct mmc_data *data); void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable); void tmio_mmc_request_dma(struct tmio_mmc_host *host, struct tmio_mmc_data *pdata); void tmio_mmc_release_dma(struct tmio_mmc_host *host); +void tmio_mmc_abort_dma(struct tmio_mmc_host *host); #else static inline void tmio_mmc_start_dma(struct tmio_mmc_host *host, struct mmc_data *data) @@ -140,6 +141,10 @@ static inline void tmio_mmc_request_dma(struct tmio_mmc_host *host, static inline void tmio_mmc_release_dma(struct tmio_mmc_host *host) { } + +static inline void tmio_mmc_abort_dma(struct tmio_mmc_host *host) +{ +} #endif #ifdef CONFIG_PM diff --git a/drivers/mmc/host/tmio_mmc_dma.c b/drivers/mmc/host/tmio_mmc_dma.c index 7a6e6cc8f8b..8253ec12003 100644 --- a/drivers/mmc/host/tmio_mmc_dma.c +++ b/drivers/mmc/host/tmio_mmc_dma.c @@ -34,6 +34,18 @@ void tmio_mmc_enable_dma(struct tmio_mmc_host *host, bool enable) #endif } +void tmio_mmc_abort_dma(struct tmio_mmc_host *host) +{ + tmio_mmc_enable_dma(host, false); + + if (host->chan_rx) + dmaengine_terminate_all(host->chan_rx); + if (host->chan_tx) + dmaengine_terminate_all(host->chan_tx); + + tmio_mmc_enable_dma(host, true); +} + static void tmio_mmc_start_dma_rx(struct tmio_mmc_host *host) { struct scatterlist *sg = host->sg_ptr, *sg_tmp; diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c index abad01b37cf..5f9ad74fbf8 100644 --- a/drivers/mmc/host/tmio_mmc_pio.c +++ b/drivers/mmc/host/tmio_mmc_pio.c @@ -41,8 +41,8 @@ #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/scatterlist.h> -#include <linux/workqueue.h> #include <linux/spinlock.h> +#include <linux/workqueue.h> #include "tmio_mmc.h" @@ -246,6 +246,7 @@ static void tmio_mmc_reset_work(struct work_struct *work) /* Ready for new calls */ host->mrq = NULL; + tmio_mmc_abort_dma(host); mmc_request_done(host->mmc, mrq); } @@ -272,6 +273,9 @@ static void tmio_mmc_finish_request(struct tmio_mmc_host *host) host->mrq = NULL; spin_unlock_irqrestore(&host->lock, flags); + if (mrq->cmd->error || (mrq->data && mrq->data->error)) + tmio_mmc_abort_dma(host); + mmc_request_done(host->mmc, mrq); } diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 7cf3d2fcf56..1620088a0e7 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -189,7 +189,7 @@ static int pcifront_bus_read(struct pci_bus *bus, unsigned int devfn, if (verbose_request) dev_info(&pdev->xdev->dev, - "read dev=%04x:%02x:%02x.%01x - offset %x size %d\n", + "read dev=%04x:%02x:%02x.%d - offset %x size %d\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size); @@ -228,7 +228,7 @@ static int pcifront_bus_write(struct pci_bus *bus, unsigned int devfn, if (verbose_request) dev_info(&pdev->xdev->dev, - "write dev=%04x:%02x:%02x.%01x - " + "write dev=%04x:%02x:%02x.%d - " "offset %x size %d val %x\n", pci_domain_nr(bus), bus->number, PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, val); @@ -432,7 +432,7 @@ static int __devinit pcifront_scan_bus(struct pcifront_device *pdev, d = pci_scan_single_device(b, devfn); if (d) dev_info(&pdev->xdev->dev, "New device on " - "%04x:%02x:%02x.%02x found.\n", domain, bus, + "%04x:%02x:%02x.%d found.\n", domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); } @@ -1041,7 +1041,7 @@ static int pcifront_detach_devices(struct pcifront_device *pdev) pci_dev = pci_get_slot(pci_bus, PCI_DEVFN(slot, func)); if (!pci_dev) { dev_dbg(&pdev->xdev->dev, - "Cannot get PCI device %04x:%02x:%02x.%02x\n", + "Cannot get PCI device %04x:%02x:%02x.%d\n", domain, bus, slot, func); continue; } @@ -1049,7 +1049,7 @@ static int pcifront_detach_devices(struct pcifront_device *pdev) pci_dev_put(pci_dev); dev_dbg(&pdev->xdev->dev, - "PCI device %04x:%02x:%02x.%02x removed.\n", + "PCI device %04x:%02x:%02x.%d removed.\n", domain, bus, slot, func); } diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c index 98bf5676318..1ed6ea0bad6 100644 --- a/drivers/power/bq27x00_battery.c +++ b/drivers/power/bq27x00_battery.c @@ -62,11 +62,10 @@ #define BQ27500_REG_SOC 0x2C #define BQ27500_REG_DCAP 0x3C /* Design capacity */ -#define BQ27500_FLAG_DSG BIT(0) /* Discharging */ +#define BQ27500_FLAG_DSC BIT(0) #define BQ27500_FLAG_SOCF BIT(1) /* State-of-Charge threshold final */ #define BQ27500_FLAG_SOC1 BIT(2) /* State-of-Charge threshold 1 */ -#define BQ27500_FLAG_CHG BIT(8) /* Charging */ -#define BQ27500_FLAG_FC BIT(9) /* Fully charged */ +#define BQ27500_FLAG_FC BIT(9) #define BQ27000_RS 20 /* Resistor sense */ @@ -312,7 +311,7 @@ static void bq27x00_update(struct bq27x00_device_info *di) struct bq27x00_reg_cache cache = {0, }; bool is_bq27500 = di->chip == BQ27500; - cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, is_bq27500); + cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500); if (cache.flags >= 0) { if (!is_bq27500 && (cache.flags & BQ27000_FLAG_CI)) { dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n"); @@ -401,14 +400,10 @@ static int bq27x00_battery_status(struct bq27x00_device_info *di, if (di->chip == BQ27500) { if (di->cache.flags & BQ27500_FLAG_FC) status = POWER_SUPPLY_STATUS_FULL; - else if (di->cache.flags & BQ27500_FLAG_DSG) + else if (di->cache.flags & BQ27500_FLAG_DSC) status = POWER_SUPPLY_STATUS_DISCHARGING; - else if (di->cache.flags & BQ27500_FLAG_CHG) - status = POWER_SUPPLY_STATUS_CHARGING; - else if (power_supply_am_i_supplied(&di->bat)) - status = POWER_SUPPLY_STATUS_NOT_CHARGING; else - status = POWER_SUPPLY_STATUS_UNKNOWN; + status = POWER_SUPPLY_STATUS_CHARGING; } else { if (di->cache.flags & BQ27000_FLAG_FC) status = POWER_SUPPLY_STATUS_FULL; diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c index 0378d019efa..88fd9710bda 100644 --- a/drivers/power/charger-manager.c +++ b/drivers/power/charger-manager.c @@ -974,10 +974,11 @@ static int __devexit charger_manager_remove(struct platform_device *pdev) return 0; } -const struct platform_device_id charger_manager_id[] = { +static const struct platform_device_id charger_manager_id[] = { { "charger-manager", 0 }, { }, }; +MODULE_DEVICE_TABLE(platform, charger_manager_id); static int cm_suspend_prepare(struct device *dev) { @@ -1069,4 +1070,3 @@ module_exit(charger_manager_cleanup); MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>"); MODULE_DESCRIPTION("Charger Manager"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("charger-manager"); diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c index b15b575c070..c53dd1292f8 100644 --- a/drivers/power/lp8727_charger.c +++ b/drivers/power/lp8727_charger.c @@ -464,6 +464,7 @@ static int __devexit lp8727_remove(struct i2c_client *cl) static const struct i2c_device_id lp8727_ids[] = { {"lp8727", 0}, + { } }; static struct i2c_driver lp8727_driver = { diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c index 395d658a94f..faaf305fda2 100644 --- a/drivers/video/omap2/dss/dpi.c +++ b/drivers/video/omap2/dss/dpi.c @@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev) { int r; + if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) { + DSSERR("no VDSS_DSI regulator\n"); + return -ENODEV; + } + if (dssdev->manager == NULL) { DSSERR("failed to enable display: no manager\n"); return -ENODEV; diff --git a/drivers/xen/cpu_hotplug.c b/drivers/xen/cpu_hotplug.c index 14e2d995e95..4dcfced107f 100644 --- a/drivers/xen/cpu_hotplug.c +++ b/drivers/xen/cpu_hotplug.c @@ -30,7 +30,8 @@ static int vcpu_online(unsigned int cpu) sprintf(dir, "cpu/%u", cpu); err = xenbus_scanf(XBT_NIL, dir, "availability", "%s", state); if (err != 1) { - printk(KERN_ERR "XENBUS: Unable to read cpu state\n"); + if (!xen_initial_domain()) + printk(KERN_ERR "XENBUS: Unable to read cpu state\n"); return err; } diff --git a/drivers/xen/xen-pciback/pci_stub.c b/drivers/xen/xen-pciback/pci_stub.c index 7944a17f5cb..19834d1c7c3 100644 --- a/drivers/xen/xen-pciback/pci_stub.c +++ b/drivers/xen/xen-pciback/pci_stub.c @@ -884,7 +884,7 @@ static inline int str_to_quirk(const char *buf, int *domain, int *bus, int int err; err = - sscanf(buf, " %04x:%02x:%02x.%1x-%08x:%1x:%08x", domain, bus, slot, + sscanf(buf, " %04x:%02x:%02x.%d-%08x:%1x:%08x", domain, bus, slot, func, reg, size, mask); if (err == 7) return 0; @@ -904,7 +904,7 @@ static int pcistub_device_id_add(int domain, int bus, int slot, int func) pci_dev_id->bus = bus; pci_dev_id->devfn = PCI_DEVFN(slot, func); - pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%01x\n", + pr_debug(DRV_NAME ": wants to seize %04x:%02x:%02x.%d\n", domain, bus, slot, func); spin_lock_irqsave(&device_ids_lock, flags); @@ -934,7 +934,7 @@ static int pcistub_device_id_remove(int domain, int bus, int slot, int func) err = 0; - pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%01x from " + pr_debug(DRV_NAME ": removed %04x:%02x:%02x.%d from " "seize list\n", domain, bus, slot, func); } } @@ -1029,7 +1029,7 @@ static ssize_t pcistub_slot_show(struct device_driver *drv, char *buf) break; count += scnprintf(buf + count, PAGE_SIZE - count, - "%04x:%02x:%02x.%01x\n", + "%04x:%02x:%02x.%d\n", pci_dev_id->domain, pci_dev_id->bus, PCI_SLOT(pci_dev_id->devfn), PCI_FUNC(pci_dev_id->devfn)); diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c index d5dcf8d5d3d..64b11f99eac 100644 --- a/drivers/xen/xen-pciback/xenbus.c +++ b/drivers/xen/xen-pciback/xenbus.c @@ -206,6 +206,7 @@ static int xen_pcibk_publish_pci_dev(struct xen_pcibk_device *pdev, goto out; } + /* Note: The PV protocol uses %02x, don't change it */ err = xenbus_printf(XBT_NIL, pdev->xdev->nodename, str, "%04x:%02x:%02x.%02x", domain, bus, PCI_SLOT(devfn), PCI_FUNC(devfn)); @@ -229,7 +230,7 @@ static int xen_pcibk_export_device(struct xen_pcibk_device *pdev, err = -EINVAL; xenbus_dev_fatal(pdev->xdev, err, "Couldn't locate PCI device " - "(%04x:%02x:%02x.%01x)! " + "(%04x:%02x:%02x.%d)! " "perhaps already in-use?", domain, bus, slot, func); goto out; @@ -274,7 +275,7 @@ static int xen_pcibk_remove_device(struct xen_pcibk_device *pdev, if (!dev) { err = -EINVAL; dev_dbg(&pdev->xdev->dev, "Couldn't locate PCI device " - "(%04x:%02x:%02x.%01x)! not owned by this domain\n", + "(%04x:%02x:%02x.%d)! not owned by this domain\n", domain, bus, slot, func); goto out; } diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 527dc2a3b89..89f76252a16 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -369,6 +369,10 @@ static int xenbus_write_watch(unsigned msg_type, struct xenbus_file_priv *u) goto out; } token++; + if (memchr(token, 0, u->u.msg.len - (token - path)) == NULL) { + rc = -EILSEQ; + goto out; + } if (msg_type == XS_WATCH) { watch = alloc_watch_adapter(path, token); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9c288653e6d..602f77c304c 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -773,10 +773,11 @@ standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid) cifs_dump_mem("Bad SMB: ", buf, min_t(unsigned int, server->total_read, 48)); - if (mid) - handle_mid(mid, server, smb_buffer, length); + if (!mid) + return length; - return length; + handle_mid(mid, server, smb_buffer, length); + return 0; } static int @@ -2125,7 +2126,7 @@ cifs_set_cifscreds(struct smb_vol *vol, struct cifs_ses *ses) down_read(&key->sem); upayload = key->payload.data; if (IS_ERR_OR_NULL(upayload)) { - rc = PTR_ERR(key); + rc = upayload ? PTR_ERR(upayload) : -EINVAL; goto out_key_put; } diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index df8fecb5b99..63a196b97d5 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -492,7 +492,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, { int xid; int rc = 0; /* to get around spurious gcc warning, set to zero here */ - __u32 oplock = 0; + __u32 oplock = enable_oplocks ? REQ_OPLOCK : 0; __u16 fileHandle = 0; bool posix_open = false; struct cifs_sb_info *cifs_sb; diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h index 292eff19803..ab7c53fe346 100644 --- a/fs/xfs/kmem.h +++ b/fs/xfs/kmem.h @@ -110,10 +110,4 @@ kmem_zone_destroy(kmem_zone_t *zone) extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast); extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast); -static inline int -kmem_shake_allow(gfp_t gfp_mask) -{ - return ((gfp_mask & __GFP_WAIT) && (gfp_mask & __GFP_FS)); -} - #endif /* __XFS_SUPPORT_KMEM_H__ */ diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index b4ff40b5f91..cbcb7bea38e 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -63,82 +63,6 @@ int xfs_dqerror_mod = 33; static struct lock_class_key xfs_dquot_other_class; /* - * Allocate and initialize a dquot. We don't always allocate fresh memory; - * we try to reclaim a free dquot if the number of incore dquots are above - * a threshold. - * The only field inside the core that gets initialized at this point - * is the d_id field. The idea is to fill in the entire q_core - * when we read in the on disk dquot. - */ -STATIC xfs_dquot_t * -xfs_qm_dqinit( - xfs_mount_t *mp, - xfs_dqid_t id, - uint type) -{ - xfs_dquot_t *dqp; - boolean_t brandnewdquot; - - brandnewdquot = xfs_qm_dqalloc_incore(&dqp); - dqp->dq_flags = type; - dqp->q_core.d_id = cpu_to_be32(id); - dqp->q_mount = mp; - - /* - * No need to re-initialize these if this is a reclaimed dquot. - */ - if (brandnewdquot) { - INIT_LIST_HEAD(&dqp->q_freelist); - mutex_init(&dqp->q_qlock); - init_waitqueue_head(&dqp->q_pinwait); - - /* - * Because we want to use a counting completion, complete - * the flush completion once to allow a single access to - * the flush completion without blocking. - */ - init_completion(&dqp->q_flush); - complete(&dqp->q_flush); - - trace_xfs_dqinit(dqp); - } else { - /* - * Only the q_core portion was zeroed in dqreclaim_one(). - * So, we need to reset others. - */ - dqp->q_nrefs = 0; - dqp->q_blkno = 0; - INIT_LIST_HEAD(&dqp->q_mplist); - INIT_LIST_HEAD(&dqp->q_hashlist); - dqp->q_bufoffset = 0; - dqp->q_fileoffset = 0; - dqp->q_transp = NULL; - dqp->q_gdquot = NULL; - dqp->q_res_bcount = 0; - dqp->q_res_icount = 0; - dqp->q_res_rtbcount = 0; - atomic_set(&dqp->q_pincount, 0); - dqp->q_hash = NULL; - ASSERT(list_empty(&dqp->q_freelist)); - - trace_xfs_dqreuse(dqp); - } - - /* - * In either case we need to make sure group quotas have a different - * lock class than user quotas, to make sure lockdep knows we can - * locks of one of each at the same time. - */ - if (!(type & XFS_DQ_USER)) - lockdep_set_class(&dqp->q_qlock, &xfs_dquot_other_class); - - /* - * log item gets initialized later - */ - return (dqp); -} - -/* * This is called to free all the memory associated with a dquot */ void @@ -567,7 +491,32 @@ xfs_qm_dqread( int error; int cancelflags = 0; - dqp = xfs_qm_dqinit(mp, id, type); + + dqp = kmem_zone_zalloc(xfs_Gqm->qm_dqzone, KM_SLEEP); + + dqp->dq_flags = type; + dqp->q_core.d_id = cpu_to_be32(id); + dqp->q_mount = mp; + INIT_LIST_HEAD(&dqp->q_freelist); + mutex_init(&dqp->q_qlock); + init_waitqueue_head(&dqp->q_pinwait); + + /* + * Because we want to use a counting completion, complete + * the flush completion once to allow a single access to + * the flush completion without blocking. + */ + init_completion(&dqp->q_flush); + complete(&dqp->q_flush); + + /* + * Make sure group quotas have a different lock class than user + * quotas. + */ + if (!(type & XFS_DQ_USER)) + lockdep_set_class(&dqp->q_qlock, &xfs_dquot_other_class); + + atomic_inc(&xfs_Gqm->qm_totaldquots); trace_xfs_dqread(dqp); diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index 541a508adea..15ff5392fb6 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -1489,7 +1489,7 @@ xlog_recover_add_to_cont_trans( old_ptr = item->ri_buf[item->ri_cnt-1].i_addr; old_len = item->ri_buf[item->ri_cnt-1].i_len; - ptr = kmem_realloc(old_ptr, len+old_len, old_len, 0u); + ptr = kmem_realloc(old_ptr, len+old_len, old_len, KM_SLEEP); memcpy(&ptr[old_len], dp, len); /* d, s, l */ item->ri_buf[item->ri_cnt-1].i_len += len; item->ri_buf[item->ri_cnt-1].i_addr = ptr; diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 671f37eae1c..c436def733b 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -50,7 +50,6 @@ */ struct mutex xfs_Gqm_lock; struct xfs_qm *xfs_Gqm; -uint ndquot; kmem_zone_t *qm_dqzone; kmem_zone_t *qm_dqtrxzone; @@ -93,7 +92,6 @@ xfs_Gqm_init(void) goto out_free_udqhash; hsize /= sizeof(xfs_dqhash_t); - ndquot = hsize << 8; xqm = kmem_zalloc(sizeof(xfs_qm_t), KM_SLEEP); xqm->qm_dqhashmask = hsize - 1; @@ -137,7 +135,6 @@ xfs_Gqm_init(void) xqm->qm_dqtrxzone = qm_dqtrxzone; atomic_set(&xqm->qm_totaldquots, 0); - xqm->qm_dqfree_ratio = XFS_QM_DQFREE_RATIO; xqm->qm_nrefs = 0; return xqm; @@ -1600,216 +1597,150 @@ xfs_qm_init_quotainos( return 0; } +STATIC void +xfs_qm_dqfree_one( + struct xfs_dquot *dqp) +{ + struct xfs_mount *mp = dqp->q_mount; + struct xfs_quotainfo *qi = mp->m_quotainfo; + mutex_lock(&dqp->q_hash->qh_lock); + list_del_init(&dqp->q_hashlist); + dqp->q_hash->qh_version++; + mutex_unlock(&dqp->q_hash->qh_lock); -/* - * Pop the least recently used dquot off the freelist and recycle it. - */ -STATIC struct xfs_dquot * -xfs_qm_dqreclaim_one(void) + mutex_lock(&qi->qi_dqlist_lock); + list_del_init(&dqp->q_mplist); + qi->qi_dquots--; + qi->qi_dqreclaims++; + mutex_unlock(&qi->qi_dqlist_lock); + + xfs_qm_dqdestroy(dqp); +} + +STATIC void +xfs_qm_dqreclaim_one( + struct xfs_dquot *dqp, + struct list_head *dispose_list) { - struct xfs_dquot *dqp; - int restarts = 0; + struct xfs_mount *mp = dqp->q_mount; + int error; - mutex_lock(&xfs_Gqm->qm_dqfrlist_lock); -restart: - list_for_each_entry(dqp, &xfs_Gqm->qm_dqfrlist, q_freelist) { - struct xfs_mount *mp = dqp->q_mount; + if (!xfs_dqlock_nowait(dqp)) + goto out_busy; - if (!xfs_dqlock_nowait(dqp)) - continue; + /* + * This dquot has acquired a reference in the meantime remove it from + * the freelist and try again. + */ + if (dqp->q_nrefs) { + xfs_dqunlock(dqp); - /* - * This dquot has already been grabbed by dqlookup. - * Remove it from the freelist and try again. - */ - if (dqp->q_nrefs) { - trace_xfs_dqreclaim_want(dqp); - XQM_STATS_INC(xqmstats.xs_qm_dqwants); - - list_del_init(&dqp->q_freelist); - xfs_Gqm->qm_dqfrlist_cnt--; - restarts++; - goto dqunlock; - } + trace_xfs_dqreclaim_want(dqp); + XQM_STATS_INC(xqmstats.xs_qm_dqwants); - ASSERT(dqp->q_hash); - ASSERT(!list_empty(&dqp->q_mplist)); + list_del_init(&dqp->q_freelist); + xfs_Gqm->qm_dqfrlist_cnt--; + return; + } - /* - * Try to grab the flush lock. If this dquot is in the process - * of getting flushed to disk, we don't want to reclaim it. - */ - if (!xfs_dqflock_nowait(dqp)) - goto dqunlock; + ASSERT(dqp->q_hash); + ASSERT(!list_empty(&dqp->q_mplist)); - /* - * We have the flush lock so we know that this is not in the - * process of being flushed. So, if this is dirty, flush it - * DELWRI so that we don't get a freelist infested with - * dirty dquots. - */ - if (XFS_DQ_IS_DIRTY(dqp)) { - int error; + /* + * Try to grab the flush lock. If this dquot is in the process of + * getting flushed to disk, we don't want to reclaim it. + */ + if (!xfs_dqflock_nowait(dqp)) + goto out_busy; - trace_xfs_dqreclaim_dirty(dqp); + /* + * We have the flush lock so we know that this is not in the + * process of being flushed. So, if this is dirty, flush it + * DELWRI so that we don't get a freelist infested with + * dirty dquots. + */ + if (XFS_DQ_IS_DIRTY(dqp)) { + trace_xfs_dqreclaim_dirty(dqp); - /* - * We flush it delayed write, so don't bother - * releasing the freelist lock. - */ - error = xfs_qm_dqflush(dqp, SYNC_TRYLOCK); - if (error) { - xfs_warn(mp, "%s: dquot %p flush failed", - __func__, dqp); - } - goto dqunlock; + /* + * We flush it delayed write, so don't bother releasing the + * freelist lock. + */ + error = xfs_qm_dqflush(dqp, 0); + if (error) { + xfs_warn(mp, "%s: dquot %p flush failed", + __func__, dqp); } - xfs_dqfunlock(dqp); /* - * Prevent lookup now that we are going to reclaim the dquot. - * Once XFS_DQ_FREEING is set lookup won't touch the dquot, - * thus we can drop the lock now. + * Give the dquot another try on the freelist, as the + * flushing will take some time. */ - dqp->dq_flags |= XFS_DQ_FREEING; - xfs_dqunlock(dqp); - - mutex_lock(&dqp->q_hash->qh_lock); - list_del_init(&dqp->q_hashlist); - dqp->q_hash->qh_version++; - mutex_unlock(&dqp->q_hash->qh_lock); - - mutex_lock(&mp->m_quotainfo->qi_dqlist_lock); - list_del_init(&dqp->q_mplist); - mp->m_quotainfo->qi_dquots--; - mp->m_quotainfo->qi_dqreclaims++; - mutex_unlock(&mp->m_quotainfo->qi_dqlist_lock); + goto out_busy; + } + xfs_dqfunlock(dqp); - ASSERT(dqp->q_nrefs == 0); - list_del_init(&dqp->q_freelist); - xfs_Gqm->qm_dqfrlist_cnt--; + /* + * Prevent lookups now that we are past the point of no return. + */ + dqp->dq_flags |= XFS_DQ_FREEING; + xfs_dqunlock(dqp); - mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock); - return dqp; -dqunlock: - xfs_dqunlock(dqp); - if (restarts >= XFS_QM_RECLAIM_MAX_RESTARTS) - break; - goto restart; - } + ASSERT(dqp->q_nrefs == 0); + list_move_tail(&dqp->q_freelist, dispose_list); + xfs_Gqm->qm_dqfrlist_cnt--; - mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock); - return NULL; -} + trace_xfs_dqreclaim_done(dqp); + XQM_STATS_INC(xqmstats.xs_qm_dqreclaims); + return; -/* - * Traverse the freelist of dquots and attempt to reclaim a maximum of - * 'howmany' dquots. This operation races with dqlookup(), and attempts to - * favor the lookup function ... - */ -STATIC int -xfs_qm_shake_freelist( - int howmany) -{ - int nreclaimed = 0; - xfs_dquot_t *dqp; +out_busy: + xfs_dqunlock(dqp); - if (howmany <= 0) - return 0; + /* + * Move the dquot to the tail of the list so that we don't spin on it. + */ + list_move_tail(&dqp->q_freelist, &xfs_Gqm->qm_dqfrlist); - while (nreclaimed < howmany) { - dqp = xfs_qm_dqreclaim_one(); - if (!dqp) - return nreclaimed; - xfs_qm_dqdestroy(dqp); - nreclaimed++; - } - return nreclaimed; + trace_xfs_dqreclaim_busy(dqp); + XQM_STATS_INC(xqmstats.xs_qm_dqreclaim_misses); } -/* - * The kmem_shake interface is invoked when memory is running low. - */ -/* ARGSUSED */ STATIC int xfs_qm_shake( - struct shrinker *shrink, - struct shrink_control *sc) + struct shrinker *shrink, + struct shrink_control *sc) { - int ndqused, nfree, n; - gfp_t gfp_mask = sc->gfp_mask; - - if (!kmem_shake_allow(gfp_mask)) - return 0; - if (!xfs_Gqm) - return 0; - - nfree = xfs_Gqm->qm_dqfrlist_cnt; /* free dquots */ - /* incore dquots in all f/s's */ - ndqused = atomic_read(&xfs_Gqm->qm_totaldquots) - nfree; - - ASSERT(ndqused >= 0); + int nr_to_scan = sc->nr_to_scan; + LIST_HEAD (dispose_list); + struct xfs_dquot *dqp; - if (nfree <= ndqused && nfree < ndquot) + if ((sc->gfp_mask & (__GFP_FS|__GFP_WAIT)) != (__GFP_FS|__GFP_WAIT)) return 0; + if (!nr_to_scan) + goto out; - ndqused *= xfs_Gqm->qm_dqfree_ratio; /* target # of free dquots */ - n = nfree - ndqused - ndquot; /* # over target */ - - return xfs_qm_shake_freelist(MAX(nfree, n)); -} - - -/*------------------------------------------------------------------*/ - -/* - * Return a new incore dquot. Depending on the number of - * dquots in the system, we either allocate a new one on the kernel heap, - * or reclaim a free one. - * Return value is B_TRUE if we allocated a new dquot, B_FALSE if we managed - * to reclaim an existing one from the freelist. - */ -boolean_t -xfs_qm_dqalloc_incore( - xfs_dquot_t **O_dqpp) -{ - xfs_dquot_t *dqp; - - /* - * Check against high water mark to see if we want to pop - * a nincompoop dquot off the freelist. - */ - if (atomic_read(&xfs_Gqm->qm_totaldquots) >= ndquot) { - /* - * Try to recycle a dquot from the freelist. - */ - if ((dqp = xfs_qm_dqreclaim_one())) { - XQM_STATS_INC(xqmstats.xs_qm_dqreclaims); - /* - * Just zero the core here. The rest will get - * reinitialized by caller. XXX we shouldn't even - * do this zero ... - */ - memset(&dqp->q_core, 0, sizeof(dqp->q_core)); - *O_dqpp = dqp; - return B_FALSE; - } - XQM_STATS_INC(xqmstats.xs_qm_dqreclaim_misses); + mutex_lock(&xfs_Gqm->qm_dqfrlist_lock); + while (!list_empty(&xfs_Gqm->qm_dqfrlist)) { + if (nr_to_scan-- <= 0) + break; + dqp = list_first_entry(&xfs_Gqm->qm_dqfrlist, struct xfs_dquot, + q_freelist); + xfs_qm_dqreclaim_one(dqp, &dispose_list); } + mutex_unlock(&xfs_Gqm->qm_dqfrlist_lock); - /* - * Allocate a brand new dquot on the kernel heap and return it - * to the caller to initialize. - */ - ASSERT(xfs_Gqm->qm_dqzone != NULL); - *O_dqpp = kmem_zone_zalloc(xfs_Gqm->qm_dqzone, KM_SLEEP); - atomic_inc(&xfs_Gqm->qm_totaldquots); - - return B_TRUE; + while (!list_empty(&dispose_list)) { + dqp = list_first_entry(&dispose_list, struct xfs_dquot, + q_freelist); + list_del_init(&dqp->q_freelist); + xfs_qm_dqfree_one(dqp); + } +out: + return (xfs_Gqm->qm_dqfrlist_cnt / 100) * sysctl_vfs_cache_pressure; } - /* * Start a transaction and write the incore superblock changes to * disk. flags parameter indicates which fields have changed. diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h index 9b4f3adefbc..9a9b997e1a0 100644 --- a/fs/xfs/xfs_qm.h +++ b/fs/xfs/xfs_qm.h @@ -26,24 +26,12 @@ struct xfs_qm; struct xfs_inode; -extern uint ndquot; extern struct mutex xfs_Gqm_lock; extern struct xfs_qm *xfs_Gqm; extern kmem_zone_t *qm_dqzone; extern kmem_zone_t *qm_dqtrxzone; /* - * Ditto, for xfs_qm_dqreclaim_one. - */ -#define XFS_QM_RECLAIM_MAX_RESTARTS 4 - -/* - * Ideal ratio of free to in use dquots. Quota manager makes an attempt - * to keep this balance. - */ -#define XFS_QM_DQFREE_RATIO 2 - -/* * Dquot hashtable constants/threshold values. */ #define XFS_QM_HASHSIZE_LOW (PAGE_SIZE / sizeof(xfs_dqhash_t)) @@ -74,7 +62,6 @@ typedef struct xfs_qm { int qm_dqfrlist_cnt; atomic_t qm_totaldquots; /* total incore dquots */ uint qm_nrefs; /* file systems with quota on */ - int qm_dqfree_ratio;/* ratio of free to inuse dquots */ kmem_zone_t *qm_dqzone; /* dquot mem-alloc zone */ kmem_zone_t *qm_dqtrxzone; /* t_dqinfo of transactions */ } xfs_qm_t; @@ -143,7 +130,6 @@ extern int xfs_qm_quotacheck(xfs_mount_t *); extern int xfs_qm_write_sb_changes(xfs_mount_t *, __int64_t); /* dquot stuff */ -extern boolean_t xfs_qm_dqalloc_incore(xfs_dquot_t **); extern int xfs_qm_dqpurge_all(xfs_mount_t *, uint); extern void xfs_qm_dqrele_all_inodes(xfs_mount_t *, uint); diff --git a/fs/xfs/xfs_qm_stats.c b/fs/xfs/xfs_qm_stats.c index 8671a0b3264..5729ba57087 100644 --- a/fs/xfs/xfs_qm_stats.c +++ b/fs/xfs/xfs_qm_stats.c @@ -42,9 +42,9 @@ static int xqm_proc_show(struct seq_file *m, void *v) { /* maximum; incore; ratio free to inuse; freelist */ seq_printf(m, "%d\t%d\t%d\t%u\n", - ndquot, + 0, xfs_Gqm? atomic_read(&xfs_Gqm->qm_totaldquots) : 0, - xfs_Gqm? xfs_Gqm->qm_dqfree_ratio : 0, + 0, xfs_Gqm? xfs_Gqm->qm_dqfrlist_cnt : 0); return 0; } diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h index 6b6df5802e9..bb134a81993 100644 --- a/fs/xfs/xfs_trace.h +++ b/fs/xfs/xfs_trace.h @@ -733,11 +733,10 @@ DEFINE_EVENT(xfs_dquot_class, name, \ DEFINE_DQUOT_EVENT(xfs_dqadjust); DEFINE_DQUOT_EVENT(xfs_dqreclaim_want); DEFINE_DQUOT_EVENT(xfs_dqreclaim_dirty); -DEFINE_DQUOT_EVENT(xfs_dqreclaim_unlink); +DEFINE_DQUOT_EVENT(xfs_dqreclaim_busy); +DEFINE_DQUOT_EVENT(xfs_dqreclaim_done); DEFINE_DQUOT_EVENT(xfs_dqattach_found); DEFINE_DQUOT_EVENT(xfs_dqattach_get); -DEFINE_DQUOT_EVENT(xfs_dqinit); -DEFINE_DQUOT_EVENT(xfs_dqreuse); DEFINE_DQUOT_EVENT(xfs_dqalloc); DEFINE_DQUOT_EVENT(xfs_dqtobp_read); DEFINE_DQUOT_EVENT(xfs_dqread); diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index 9f22ba572de..19a41d1737a 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -217,6 +217,7 @@ struct mmc_card { #define MMC_CARD_SDXC (1<<6) /* card is SDXC */ #define MMC_CARD_REMOVED (1<<7) /* card has been removed */ #define MMC_STATE_HIGHSPEED_200 (1<<8) /* card is in HS200 mode */ +#define MMC_STATE_SLEEP (1<<9) /* card is in sleep state */ unsigned int quirks; /* card quirks */ #define MMC_QUIRK_LENIENT_FN0 (1<<0) /* allow SDIO FN0 writes outside of the VS CCCR range */ #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */ @@ -382,6 +383,7 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC) #define mmc_card_removed(c) ((c) && ((c)->state & MMC_CARD_REMOVED)) +#define mmc_card_is_sleep(c) ((c)->state & MMC_STATE_SLEEP) #define mmc_card_set_present(c) ((c)->state |= MMC_STATE_PRESENT) #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY) @@ -393,7 +395,9 @@ static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) #define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED) #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC) #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED) +#define mmc_card_set_sleep(c) ((c)->state |= MMC_STATE_SLEEP) +#define mmc_card_clr_sleep(c) ((c)->state &= ~MMC_STATE_SLEEP) /* * Quirk add/remove for MMC products. */ diff --git a/include/linux/mmc/dw_mmc.h b/include/linux/mmc/dw_mmc.h index e8779c6d175..aae5d1f1bb3 100644 --- a/include/linux/mmc/dw_mmc.h +++ b/include/linux/mmc/dw_mmc.h @@ -14,6 +14,8 @@ #ifndef LINUX_MMC_DW_MMC_H #define LINUX_MMC_DW_MMC_H +#include <linux/scatterlist.h> + #define MAX_MCI_SLOTS 2 enum dw_mci_state { @@ -40,7 +42,7 @@ struct mmc_data; * @lock: Spinlock protecting the queue and associated data. * @regs: Pointer to MMIO registers. * @sg: Scatterlist entry currently being processed by PIO code, if any. - * @pio_offset: Offset into the current scatterlist entry. + * @sg_miter: PIO mapping scatterlist iterator. * @cur_slot: The slot which is currently using the controller. * @mrq: The request currently being processed on @cur_slot, * or NULL if the controller is idle. @@ -115,7 +117,7 @@ struct dw_mci { void __iomem *regs; struct scatterlist *sg; - unsigned int pio_offset; + struct sg_mapping_iter sg_miter; struct dw_mci_slot *cur_slot; struct mmc_request *mrq; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index 0beba1e5e1e..ee2b0363c04 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -257,6 +257,7 @@ struct mmc_host { #define MMC_CAP2_HS200_1_2V_SDR (1 << 6) /* can support */ #define MMC_CAP2_HS200 (MMC_CAP2_HS200_1_8V_SDR | \ MMC_CAP2_HS200_1_2V_SDR) +#define MMC_CAP2_BROKEN_VOLTAGE (1 << 7) /* Use the broken voltage */ mmc_pm_flag_t pm_caps; /* supported pm features */ unsigned int power_notify_type; @@ -444,4 +445,23 @@ static inline int mmc_boot_partition_access(struct mmc_host *host) return !(host->caps2 & MMC_CAP2_BOOTPART_NOACC); } +#ifdef CONFIG_MMC_CLKGATE +void mmc_host_clk_hold(struct mmc_host *host); +void mmc_host_clk_release(struct mmc_host *host); +unsigned int mmc_host_clk_rate(struct mmc_host *host); + +#else +static inline void mmc_host_clk_hold(struct mmc_host *host) +{ +} + +static inline void mmc_host_clk_release(struct mmc_host *host) +{ +} + +static inline unsigned int mmc_host_clk_rate(struct mmc_host *host) +{ + return host->ios.clock; +} +#endif #endif /* LINUX_MMC_HOST_H */ diff --git a/kernel/params.c b/kernel/params.c index 32ee0430828..4bc965d8a1f 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -97,7 +97,8 @@ static int parse_one(char *param, for (i = 0; i < num_params; i++) { if (parameq(param, params[i].name)) { /* No one handled NULL, so do it here. */ - if (!val && params[i].ops->set != param_set_bool) + if (!val && params[i].ops->set != param_set_bool + && params[i].ops->set != param_set_bint) return -EINVAL; pr_debug("They are equal! Calling %p\n", params[i].ops->set); diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index e8c96957776..d0de2a2c3a2 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -932,7 +932,7 @@ static int do_isapnp_entry(const char *filename, (id->function >> 12) & 0x0f, (id->function >> 8) & 0x0f); return 1; } -ADD_TO_DEVTABLE("isa", struct isapnp_device_id, do_isapnp_entry); +ADD_TO_DEVTABLE("isapnp", struct isapnp_device_id, do_isapnp_entry); /* * Append a match expression for a single masked hex digit. diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 9350f3c3bdf..1358987c49d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4374,6 +4374,7 @@ enum { ALC882_FIXUP_ACER_ASPIRE_8930G, ALC882_FIXUP_ASPIRE_8930G_VERBS, ALC885_FIXUP_MACPRO_GPIO, + ALC889_FIXUP_DAC_ROUTE, }; static void alc889_fixup_coef(struct hda_codec *codec, @@ -4427,6 +4428,23 @@ static void alc885_fixup_macpro_gpio(struct hda_codec *codec, alc882_gpio_mute(codec, 1, 0); } +/* Fix the connection of some pins for ALC889: + * At least, Acer Aspire 5935 shows the connections to DAC3/4 don't + * work correctly (bko#42740) + */ +static void alc889_fixup_dac_route(struct hda_codec *codec, + const struct alc_fixup *fix, int action) +{ + if (action == ALC_FIXUP_ACT_PRE_PROBE) { + hda_nid_t conn1[2] = { 0x0c, 0x0d }; + hda_nid_t conn2[2] = { 0x0e, 0x0f }; + snd_hda_override_conn_list(codec, 0x14, 2, conn1); + snd_hda_override_conn_list(codec, 0x15, 2, conn1); + snd_hda_override_conn_list(codec, 0x18, 2, conn2); + snd_hda_override_conn_list(codec, 0x1a, 2, conn2); + } +} + static const struct alc_fixup alc882_fixups[] = { [ALC882_FIXUP_ABIT_AW9D_MAX] = { .type = ALC_FIXUP_PINS, @@ -4574,6 +4592,10 @@ static const struct alc_fixup alc882_fixups[] = { .type = ALC_FIXUP_FUNC, .v.func = alc885_fixup_macpro_gpio, }, + [ALC889_FIXUP_DAC_ROUTE] = { + .type = ALC_FIXUP_FUNC, + .v.func = alc889_fixup_dac_route, + }, }; static const struct snd_pci_quirk alc882_fixup_tbl[] = { @@ -4598,6 +4620,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x0142, "Acer Aspire 7730G", ALC882_FIXUP_ACER_ASPIRE_4930G), SND_PCI_QUIRK(0x1025, 0x0155, "Packard-Bell M5120", ALC882_FIXUP_PB_M5210), + SND_PCI_QUIRK(0x1025, 0x0259, "Acer Aspire 5935", ALC889_FIXUP_DAC_ROUTE), SND_PCI_QUIRK(0x1025, 0x0296, "Acer Aspire 7736z", ALC882_FIXUP_ACER_ASPIRE_7736), SND_PCI_QUIRK(0x1043, 0x13c2, "Asus A7M", ALC882_FIXUP_EAPD), SND_PCI_QUIRK(0x1043, 0x1873, "ASUS W90V", ALC882_FIXUP_ASUS_W90V), diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 948f0be2f4f..6345df131a0 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -5078,9 +5078,9 @@ static int stac92xx_update_led_status(struct hda_codec *codec) spec->gpio_dir, spec->gpio_data); } else { notmtd_lvl = spec->gpio_led_polarity ? - AC_PINCTL_VREF_HIZ : AC_PINCTL_VREF_GRD; + AC_PINCTL_VREF_50 : AC_PINCTL_VREF_GRD; muted_lvl = spec->gpio_led_polarity ? - AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_HIZ; + AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_50; spec->vref_led = muted ? muted_lvl : notmtd_lvl; stac_vrefout_set(codec, spec->vref_mute_led_nid, spec->vref_led); diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 284e311040f..dff9a00ee8f 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -666,6 +666,9 @@ static void via_auto_init_analog_input(struct hda_codec *codec) /* init input-src */ for (i = 0; i < spec->num_adc_nids; i++) { int adc_idx = spec->inputs[spec->cur_mux[i]].adc_idx; + /* secondary ADCs must have the unique MUX */ + if (i > 0 && !spec->mux_nids[i]) + break; if (spec->mux_nids[adc_idx]) { int mux_idx = spec->inputs[spec->cur_mux[i]].mux_idx; snd_hda_codec_write(codec, spec->mux_nids[adc_idx], 0, diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c index 9f3b01bb72c..e0a4263baa2 100644 --- a/sound/pci/intel8x0.c +++ b/sound/pci/intel8x0.c @@ -2102,6 +2102,12 @@ static struct ac97_quirk ac97_quirks[] __devinitdata = { }, { .subvendor = 0x161f, + .subdevice = 0x202f, + .name = "Gateway M520", + .type = AC97_TUNE_INV_EAPD + }, + { + .subvendor = 0x161f, .subdevice = 0x203a, .name = "Gateway 4525GZ", /* AD1981B */ .type = AC97_TUNE_INV_EAPD diff --git a/sound/soc/sh/fsi.c b/sound/soc/sh/fsi.c index db6c89a28bd..ea4a82d0116 100644 --- a/sound/soc/sh/fsi.c +++ b/sound/soc/sh/fsi.c @@ -1152,12 +1152,8 @@ static snd_pcm_uframes_t fsi_pointer(struct snd_pcm_substream *substream) { struct fsi_priv *fsi = fsi_get_priv(substream); struct fsi_stream *io = fsi_get_stream(fsi, fsi_is_play(substream)); - int samples_pos = io->buff_sample_pos - 1; - if (samples_pos < 0) - samples_pos = 0; - - return fsi_sample2frame(fsi, samples_pos); + return fsi_sample2frame(fsi, io->buff_sample_pos); } static struct snd_pcm_ops fsi_pcm_ops = { |