diff options
69 files changed, 3015 insertions, 851 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 30f3c8c9c12..f2024df7ebe 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -226,6 +226,23 @@ Who: Jean Delvare <khali@linux-fr.org> --------------------------- +What: i2c_adapter.dev + i2c_adapter.list +When: July 2007 +Why: Superfluous, given i2c_adapter.class_dev: + * The "dev" was a stand-in for the physical device node that legacy + drivers would not have; but now it's almost always present. Any + remaining legacy drivers must upgrade (they now trigger warnings). + * The "list" duplicates class device children. + The delay in removing this is so upgraded lm_sensors and libsensors + can get deployed. (Removal causes minor changes in the sysfs layout, + notably the location of the adapter type name and parenting the i2c + client hardware directly from their controller.) +Who: Jean Delvare <khali@linux-fr.org>, + David Brownell <dbrownell@users.sourceforge.net> + +--------------------------- + What: IPv4 only connection tracking/NAT/helpers When: 2.6.22 Why: The new layer 3 independant connection tracking replaces the old diff --git a/Documentation/usb/acm.txt b/Documentation/usb/acm.txt index 737d6104c3f..17f5c2e1a57 100644 --- a/Documentation/usb/acm.txt +++ b/Documentation/usb/acm.txt @@ -46,6 +46,10 @@ Abstract Control Model (USB CDC ACM) specification. 3Com USR ISDN Pro TA + Some cell phones also connect via USB. I know the following phones work: + + SonyEricsson K800i + Unfortunately many modems and most ISDN TAs use proprietary interfaces and thus won't work with this drivers. Check for ACM compliance before buying. diff --git a/Documentation/x86_64/boot-options.txt b/Documentation/x86_64/boot-options.txt index dbdcaf68e3e..5c86ed6f044 100644 --- a/Documentation/x86_64/boot-options.txt +++ b/Documentation/x86_64/boot-options.txt @@ -52,6 +52,10 @@ APICs apicmaintimer. Useful when your PIT timer is totally broken. + disable_8254_timer / enable_8254_timer + Enable interrupt 0 timer routing over the 8254 in addition to over + the IO-APIC. The kernel tries to set a sensible default. + Early Console syntax: earlyprintk=vga diff --git a/MAINTAINERS b/MAINTAINERS index 6ecb29609cf..4ccc5fa06d0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2593,6 +2593,12 @@ P: Adam Belay M: ambx1@neo.rr.com S: Maintained +PNXxxxx I2C DRIVER +P: Vitaly Wool +M: vitalywool@gmail.com +L: i2c@lm-sensors.org +S: Maintained + PPP PROTOCOL DRIVERS AND COMPRESSORS P: Paul Mackerras M: paulus@samba.org @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 20 -EXTRAVERSION =-rc3 +EXTRAVERSION =-rc4 NAME = Homicidal Dwarf Hamster # *DOCUMENTATION* diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 0d67a0a1151..0dfee812811 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -777,6 +777,47 @@ config CRASH_DUMP PHYSICAL_START. For more details see Documentation/kdump/kdump.txt +config PHYSICAL_START + hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP) + default "0x100000" + help + This gives the physical address where the kernel is loaded. + + If kernel is a not relocatable (CONFIG_RELOCATABLE=n) then + bzImage will decompress itself to above physical address and + run from there. Otherwise, bzImage will run from the address where + it has been loaded by the boot loader and will ignore above physical + address. + + In normal kdump cases one does not have to set/change this option + as now bzImage can be compiled as a completely relocatable image + (CONFIG_RELOCATABLE=y) and be used to load and run from a different + address. This option is mainly useful for the folks who don't want + to use a bzImage for capturing the crash dump and want to use a + vmlinux instead. vmlinux is not relocatable hence a kernel needs + to be specifically compiled to run from a specific memory area + (normally a reserved region) and this option comes handy. + + So if you are using bzImage for capturing the crash dump, leave + the value here unchanged to 0x100000 and set CONFIG_RELOCATABLE=y. + Otherwise if you plan to use vmlinux for capturing the crash dump + change this value to start of the reserved region (Typically 16MB + 0x1000000). In other words, it can be set based on the "X" value as + specified in the "crashkernel=YM@XM" command line boot parameter + passed to the panic-ed kernel. Typically this parameter is set as + crashkernel=64M@16M. Please take a look at + Documentation/kdump/kdump.txt for more details about crash dumps. + + Usage of bzImage for capturing the crash dump is recommended as + one does not have to build two kernels. Same kernel can be used + as production kernel and capture kernel. Above option should have + gone away after relocatable bzImage support is introduced. But it + is present because there are users out there who continue to use + vmlinux for dump capture. This option should go away down the + line. + + Don't change this unless you know what you are doing. + config RELOCATABLE bool "Build a relocatable kernel(EXPERIMENTAL)" depends on EXPERIMENTAL diff --git a/arch/i386/kernel/cpu/common.c b/arch/i386/kernel/cpu/common.c index 1b34c56f812..8689d62abd4 100644 --- a/arch/i386/kernel/cpu/common.c +++ b/arch/i386/kernel/cpu/common.c @@ -54,7 +54,7 @@ static struct cpu_dev __cpuinitdata default_cpu = { .c_init = default_init, .c_vendor = "Unknown", }; -static struct cpu_dev * this_cpu = &default_cpu; +static struct cpu_dev * this_cpu __cpuinitdata = &default_cpu; static int __init cachesize_setup(char *str) { diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index aef39be8136..300d9b38d02 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -227,7 +227,7 @@ static struct { atomic_t count_start; atomic_t count_stop; unsigned long long values[NR_CPUS]; -} tsc __initdata = { +} tsc __cpuinitdata = { .start_flag = ATOMIC_INIT(0), .count_start = ATOMIC_INIT(0), .count_stop = ATOMIC_INIT(0), @@ -332,7 +332,7 @@ static void __init synchronize_tsc_bp(void) printk("passed.\n"); } -static void __init synchronize_tsc_ap(void) +static void __cpuinit synchronize_tsc_ap(void) { int i; diff --git a/arch/i386/kernel/trampoline.S b/arch/i386/kernel/trampoline.S index fcce0e61b0e..2f1814c5cfd 100644 --- a/arch/i386/kernel/trampoline.S +++ b/arch/i386/kernel/trampoline.S @@ -38,6 +38,11 @@ .data +/* We can free up trampoline after bootup if cpu hotplug is not supported. */ +#ifndef CONFIG_HOTPLUG_CPU +.section ".init.data","aw",@progbits +#endif + .code16 ENTRY(trampoline_data) diff --git a/arch/x86_64/kernel/early-quirks.c b/arch/x86_64/kernel/early-quirks.c index 829698f6d04..49802f1bee9 100644 --- a/arch/x86_64/kernel/early-quirks.c +++ b/arch/x86_64/kernel/early-quirks.c @@ -69,6 +69,11 @@ static void nvidia_bugs(void) static void ati_bugs(void) { + if (timer_over_8254 == 1) { + timer_over_8254 = 0; + printk(KERN_INFO + "ATI board detected. Disabling timer routing over 8254.\n"); + } } static void intel_bugs(void) diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c index 2a1dcd5f69c..d7bad90a5ad 100644 --- a/arch/x86_64/kernel/io_apic.c +++ b/arch/x86_64/kernel/io_apic.c @@ -55,6 +55,10 @@ int sis_apic_bug; /* not actually supported, dummy for compile */ static int no_timer_check; +static int disable_timer_pin_1 __initdata; + +int timer_over_8254 __initdata = 1; + /* Where if anywhere is the i8259 connect in external int mode */ static struct { int pin, apic; } ioapic_i8259 = { -1, -1 }; @@ -350,6 +354,29 @@ static int __init disable_ioapic_setup(char *str) } early_param("noapic", disable_ioapic_setup); +/* Actually the next is obsolete, but keep it for paranoid reasons -AK */ +static int __init disable_timer_pin_setup(char *arg) +{ + disable_timer_pin_1 = 1; + return 1; +} +__setup("disable_timer_pin_1", disable_timer_pin_setup); + +static int __init setup_disable_8254_timer(char *s) +{ + timer_over_8254 = -1; + return 1; +} +static int __init setup_enable_8254_timer(char *s) +{ + timer_over_8254 = 2; + return 1; +} + +__setup("disable_8254_timer", setup_disable_8254_timer); +__setup("enable_8254_timer", setup_enable_8254_timer); + + /* * Find the IRQ entry number of a certain pin. */ @@ -1568,33 +1595,10 @@ static inline void unlock_ExtINT_logic(void) * a wide range of boards and BIOS bugs. Fortunately only the timer IRQ * is so screwy. Thanks to Brian Perkins for testing/hacking this beast * fanatically on his truly buggy board. + * + * FIXME: really need to revamp this for modern platforms only. */ - -static int try_apic_pin(int apic, int pin, char *msg) -{ - apic_printk(APIC_VERBOSE, KERN_INFO - "..TIMER: trying IO-APIC=%d PIN=%d %s", - apic, pin, msg); - - /* - * Ok, does IRQ0 through the IOAPIC work? - */ - if (!no_timer_check && timer_irq_works()) { - nmi_watchdog_default(); - if (nmi_watchdog == NMI_IO_APIC) { - disable_8259A_irq(0); - setup_nmi(); - enable_8259A_irq(0); - } - return 1; - } - clear_IO_APIC_pin(apic, pin); - apic_printk(APIC_QUIET, KERN_ERR " .. failed\n"); - return 0; -} - -/* The function from hell */ -static void check_timer(void) +static inline void check_timer(void) { int apic1, pin1, apic2, pin2; int vector; @@ -1615,43 +1619,61 @@ static void check_timer(void) */ apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_EXTINT); init_8259A(1); + if (timer_over_8254 > 0) + enable_8259A_irq(0); pin1 = find_isa_irq_pin(0, mp_INT); apic1 = find_isa_irq_apic(0, mp_INT); pin2 = ioapic_i8259.pin; apic2 = ioapic_i8259.apic; - /* Do this first, otherwise we get double interrupts on ATI boards */ - if ((pin1 != -1) && try_apic_pin(apic1, pin1,"with 8259 IRQ0 disabled")) - return; + apic_printk(APIC_VERBOSE,KERN_INFO "..TIMER: vector=0x%02X apic1=%d pin1=%d apic2=%d pin2=%d\n", + vector, apic1, pin1, apic2, pin2); - /* Now try again with IRQ0 8259A enabled. - Assumes timer is on IO-APIC 0 ?!? */ - enable_8259A_irq(0); - unmask_IO_APIC_irq(0); - if (try_apic_pin(apic1, pin1, "with 8259 IRQ0 enabled")) - return; - disable_8259A_irq(0); - - /* Always try pin0 and pin2 on APIC 0 to handle buggy timer overrides - on Nvidia boards */ - if (!(apic1 == 0 && pin1 == 0) && - try_apic_pin(0, 0, "fallback with 8259 IRQ0 disabled")) - return; - if (!(apic1 == 0 && pin1 == 2) && - try_apic_pin(0, 2, "fallback with 8259 IRQ0 disabled")) - return; + if (pin1 != -1) { + /* + * Ok, does IRQ0 through the IOAPIC work? + */ + unmask_IO_APIC_irq(0); + if (!no_timer_check && timer_irq_works()) { + nmi_watchdog_default(); + if (nmi_watchdog == NMI_IO_APIC) { + disable_8259A_irq(0); + setup_nmi(); + enable_8259A_irq(0); + } + if (disable_timer_pin_1 > 0) + clear_IO_APIC_pin(0, pin1); + return; + } + clear_IO_APIC_pin(apic1, pin1); + apic_printk(APIC_QUIET,KERN_ERR "..MP-BIOS bug: 8254 timer not " + "connected to IO-APIC\n"); + } - /* Then try pure 8259A routing on the 8259 as reported by BIOS*/ - enable_8259A_irq(0); + apic_printk(APIC_VERBOSE,KERN_INFO "...trying to set up timer (IRQ0) " + "through the 8259A ... "); if (pin2 != -1) { + apic_printk(APIC_VERBOSE,"\n..... (found apic %d pin %d) ...", + apic2, pin2); + /* + * legacy devices should be connected to IO APIC #0 + */ setup_ExtINT_IRQ0_pin(apic2, pin2, vector); - if (try_apic_pin(apic2,pin2,"8259A broadcast ExtINT from BIOS")) + if (timer_irq_works()) { + apic_printk(APIC_VERBOSE," works.\n"); + nmi_watchdog_default(); + if (nmi_watchdog == NMI_IO_APIC) { + setup_nmi(); + } return; + } + /* + * Cleanup, just in case ... + */ + clear_IO_APIC_pin(apic2, pin2); } - - /* Tried all possibilities to go through the IO-APIC. Now come the - really cheesy fallbacks. */ + apic_printk(APIC_VERBOSE," failed.\n"); if (nmi_watchdog == NMI_IO_APIC) { printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n"); diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index 88aeccbafaa..d9b651ffcdc 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -321,13 +321,16 @@ static int set_lcd_status(struct backlight_device *bd) static unsigned long write_lcd(const char *buffer, unsigned long count) { int value; - int ret = count; + int ret; if (sscanf(buffer, " brightness : %i", &value) == 1 && - value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) + value >= 0 && value < HCI_LCD_BRIGHTNESS_LEVELS) { ret = set_lcd(value); - else + if (ret == 0) + ret = count; + } else { ret = -EINVAL; + } return ret; } diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index b34e0a958d0..da21552d2b1 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -381,7 +381,7 @@ config PATA_OPTI If unsure, say N. config PATA_OPTIDMA - tristate "OPTI FireStar PATA support (Veyr Experimental)" + tristate "OPTI FireStar PATA support (Very Experimental)" depends on PCI && EXPERIMENTAL help This option enables DMA/PIO support for the later OPTi diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index 47082df7199..dfb306057cf 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -25,7 +25,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_hpt37x" -#define DRV_VERSION "0.5.1" +#define DRV_VERSION "0.5.2" struct hpt_clock { u8 xfer_speed; @@ -416,7 +416,7 @@ static const char *bad_ata100_5[] = { static unsigned long hpt370_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask) { - if (adev->class != ATA_DEV_ATA) { + if (adev->class == ATA_DEV_ATA) { if (hpt_dma_blacklisted(adev, "UDMA", bad_ata33)) mask &= ~ATA_MASK_UDMA; if (hpt_dma_blacklisted(adev, "UDMA100", bad_ata100_5)) @@ -749,7 +749,7 @@ static void hpt37x_bmdma_stop(struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - int mscreg = 0x50 + 2 * ap->port_no; + int mscreg = 0x50 + 4 * ap->port_no; u8 bwsr_stat, msc_stat; pci_read_config_byte(pdev, 0x6A, &bwsr_stat); diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 7c95c762950..62462190e07 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -765,47 +765,34 @@ static inline struct bio *pkt_get_list_first(struct bio **list_head, struct bio */ static int pkt_generic_packet(struct pktcdvd_device *pd, struct packet_command *cgc) { - char sense[SCSI_SENSE_BUFFERSIZE]; - request_queue_t *q; + request_queue_t *q = bdev_get_queue(pd->bdev); struct request *rq; - DECLARE_COMPLETION_ONSTACK(wait); - int err = 0; + int ret = 0; - q = bdev_get_queue(pd->bdev); + rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ? + WRITE : READ, __GFP_WAIT); + + if (cgc->buflen) { + if (blk_rq_map_kern(q, rq, cgc->buffer, cgc->buflen, __GFP_WAIT)) + goto out; + } + + rq->cmd_len = COMMAND_SIZE(rq->cmd[0]); + memcpy(rq->cmd, cgc->cmd, CDROM_PACKET_SIZE); + if (sizeof(rq->cmd) > CDROM_PACKET_SIZE) + memset(rq->cmd + CDROM_PACKET_SIZE, 0, sizeof(rq->cmd) - CDROM_PACKET_SIZE); - rq = blk_get_request(q, (cgc->data_direction == CGC_DATA_WRITE) ? WRITE : READ, - __GFP_WAIT); |