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* [PATCH] libata: handle 0xff status properlyTejun Heo2006-12-01
| | | | | | | | | | | | | | | | | | | | libata waits for !BSY even when the status register reports 0xff. This causes long boot delays when D8 isn't pulled down properly. This patch does the followings. * don't wait if status register is 0xff in all wait functions * make ata_busy_sleep() return 0 on success and -errno on failure. -ENODEV is returned on 0xff status and -EBUSY on other failures. * make ata_bus_softreset() succeed on 0xff status. 0xff status is not reset failure. It indicates no device. This removes unnecessary retries on such ports. Note that the code change assumes unoccupied port reporting 0xff status does not produce valid device signature. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Joe Jin <lkmaillist@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] ata: Generic platform_device libata driverPaul Mundt2006-12-01
| | | | | | | | | | | needs a changelog Signed-off-by: Paul Mundt <lethal@linux-sh.org> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: Revamp blacklist support to allow multiple kinds of ↵Alan Cox2006-12-01
| | | | | | | | | | blacklisting flaws Signed-off-by: Alan Cox <alan@redhat.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] sata_nv ADMA/NCQ support for nForce4Robert Hancock2006-12-01
| | | | | | | | | | | | | | | | | | | | | This patch adds support for ADMA mode on NVIDIA nForce4 (CK804/MCP04) SATA controllers to the sata_nv driver. Benefits of ADMA mode include: - NCQ support - Reduced CPU overhead (controller DMAs command information from memory instead of them being pushed in by the CPU) - Full 64-bit DMA support ADMA mode is enabled by default in this version. To disable it, set the module parameter adma_enabled=0. Signed-off-by: Robert Hancock <hancockr@shaw.ca> Cc: Jeff Garzik <jeff@garzik.org> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [libata] pata_marvell: minor and trivial cleanupsJeff Garzik2006-12-01
| | | | | | | | | - use pci_iomap() [Alan, version 0.0.5t] - fix Alan's version 0.0.5t change - line length, trailing whitespace, case indentation cleanups - don't use deprecated ->eng_timeout() in a driver that uses new EH Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pata_marvell: Marvell 6101/6145 PATA driverAlan Cox2006-12-01
| | | | | | | | | | | This is a legacy mode PATA driver for the 6101/45 and will also drive the SATA ports 1 & 2 in legacy mode as well if desired. Tested and confirmed working by users. The chip supports AHCI type behaviour for SATA and has a more advanced PATA interface as well so this driver will get it working but not get best performance for now. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pci_module_init() conversion for pata_pdc2027xHenrik Kretzschmar2006-12-01
| | | | | | | | | pci_module_init() conversion for pata_pdc2027x Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: add 40pin "short" cable support, honour drive side speed ↵Alan Cox2006-12-01
| | | | | | | | | | | detection [deweerdt@free.fr: build fix] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Frederik Deweerdt <deweerdt@free.fr> Cc: Tejun Heo <htejun@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pci_module_init-convertion-in-ata_genericc fixAlan Cox2006-12-01
| | | | | | | | | Acked-by: Alan Cox <alan@redhat.com> but please apply as follows to keep revision id straight Cc: Henrik Kretzschmar <henne@nachtwindheim.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] pci_module_init convertion in ata_generic.cHenrik Kretzschmar2006-12-01
| | | | | | | | | pci_module_init convertion in ata_generic.c. Signed-off-by: Henrik Kretzschmar <henne@nachtwindheim.de> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] libata: Winbond supportAlan Cox2006-12-01
| | | | | | | | | Winbond 83759A support in non-multichip mode (afaik nobody ever used multichip mode anyway). The 83759 is not supported by this driver as it is already handled elsewhere and doens't use the same interfaces. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdogLinus Torvalds2006-12-01
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/wim/linux-2.6-watchdog: [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 4 [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 3 [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 2 [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 1 [WATCHDOG] MIPS RM9000 on-chip watchdog device [WATCHDOG] Add iTCO vendor specific support [WATCHDOG] sc1200wdt.c pnp unregister fix. [WATCHDOG] config.h removal [WATCHDOG] NS pc87413-wdt Watchdog driver - fixes [WATCHDOG] NS pc87413-wdt Watchdog driver v1.1 [WATCHDOG] NS pc87413-wdt Watchdog driver
| * Merge ../linux-2.6-watchdog-mmWim Van Sebroeck2006-11-30
| |\
| | * [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 4Wim Van Sebroeck2006-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | a number of small patches: - include notifier.h include file - re-arrange prototype functions - remove =0 initializations - change printk logging levels to what's used in other drivers - /dev/watchdog is a VFS so use nonseekable_open - Style: Instead of "if (constant op function_or_variable)" we prefer "if (function_or_variable op constant)" - arg is a __user pointer - use MAX_TIMEOUT_SECONDS instead of 32 in WDIOC_SETTIMEOUT Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 3Wim Van Sebroeck2006-11-17
| | | | | | | | | | | | | | | | | | Move start and stop code into seperate functions Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 2Wim Van Sebroeck2006-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Reorganize source code so that it is structured as follows: - Function prototypes - Local variables - Module arguments - Interrupt handler - Watchdog functions - /dev/watchdog operations - Shutdown notifier - Kernel interfaces - Init & exit procedures - Device driver init & exit Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] MIPS RM9000 on-chip watchdog device - patch 1Wim Van Sebroeck2006-11-17
| | | | | | | | | | | | | | | | | | | | | | | | Locate parameter descriptions close to parameter definition - not in bottom of file. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] MIPS RM9000 on-chip watchdog deviceThomas Koeller2006-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is a driver for the on-chip watchdog device found on some MIPS RM9000 processors. Signed-off-by: Thomas Koeller <thomas.koeller@baslerweb.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] Add iTCO vendor specific supportWim Van Sebroeck2006-11-12
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add vendor specific support to the intel TCO timer based watchdog devices. At this moment we only have additional support for some SuperMicro Inc. motherboards. Signed-off-by: Robert Seretny <lkpatches@paypc.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] sc1200wdt.c pnp unregister fix.Akinobu Mita2006-10-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If no devices found or invalid parameter is specified, scl200wdt_pnp_driver is left unregistered. It breaks global list of pnp drivers. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@osdl.org>
| | * [WATCHDOG] config.h removalAndrew Morton2006-10-28
| | | | | | | | | | | | | | | | | | | | | | | | config.h got removed Signed-off-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Andrew Morton <akpm@osdl.org>
| | * [WATCHDOG] NS pc87413-wdt Watchdog driver - fixesWim Van Sebroeck2006-10-23
| | | | | | | | | | | | | | | | | | | | | | | | Some small fixes: * the status should return 0 and not 1 (1 means: * wdt_io is not a module-param, io is. Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] NS pc87413-wdt Watchdog driver v1.1Sven Anders & Marcus Junker2006-10-23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Change the driver for proper spin_locking, remove the TEMP_MINOR stuff, make sure the device works as a Virtual File System that is non_seekable, ... Signed-off-by: Sven Anders <anders@anduras.de> Signed-off-by: Marcus Junker <junker@anduras.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
| | * [WATCHDOG] NS pc87413-wdt Watchdog driverSven Anders & Marcus Junker2006-10-15
| | | | | | | | | | | | | | | | | | | | | | | | | | | New watchdog driver for the NS pc87413-wdt Watchdog Timer. Signed-off-by: Sven Anders <anders@anduras.de> Signed-off-by: Marcus Junker <junker@anduras.de> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
* | | Merge branch 'upstream-linus' of ↵Linus Torvalds2006-12-01
|\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: [PATCH] libata: add missing sht->slave_destroy [PATCH] ahci: ignore PORT_IRQ_IF_ERR on JMB controllers
| * \ \ Merge branch 'tj-upstream-fixes' of git://htj.dyndns.org/libata-tj into tmpJeff Garzik2006-11-30
| |\ \ \ | | |/ / | |/| |
| | * | [PATCH] libata: add missing sht->slave_destroyTejun Heo2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Many LLDs are missing sht->slave_destroy. The method is mandatory to support device warm unplugging (echo 1 > /sys/.../delete). Without it, libata might access released scsi device. Signed-off-by: Tejun Heo <htejun@gmail.com>
| | * | [PATCH] ahci: ignore PORT_IRQ_IF_ERR on JMB controllersTejun Heo2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | JMicron AHCI controllers set PORT_IRQ_IF_ERR on device errors. The IRQ status bit indicates interface error or protocol mismatch and ahci driver interprets it into AC_ERR_ATA_BUS. So, whenever an ATAPI device raises check condition, ahci interprets it as ATA bus error and thus resets it which, in turn, raises check condition thus creating a reset loop and rendering the device unuseable. This patch makes JMB controllers ignore PORT_IRQ_IF_ERR when interpreting error condition. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Justin Tsai <justin@jmicron.com>
* | | | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linusLinus Torvalds2006-12-01
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (31 commits) [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case. [MIPS] Remove unused definition of cpu_to_lelongp() [MIPS] Remove userspace proofing from <asm/bitops.h>. [MIPS] Remove old junk left from old atomic_lock. [MIPS] Use conditional traps for BUG_ON on MIPS II and better. [MIPS] mips HPT cleanup: make clocksource_mips public [MIPS] do_IRQ cleanup [MIPS] Avoid dupliate D-cache flush on R400C / R4400 SC and MC variants. [MIPS] Remove redundant r4k_blast_icache() calls [MIPS] Work around bogus gcc warnings. [MIPS] Fix double inclusions [MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irq [MIPS] IRQ cleanups [MIPS] mips hpt cleanup: get rid of mips_hpt_init [MIPS] PB1200: Remove duplicate definitions [MIPS] Fix alignment hole in struct cache_desc; shrink struct. [MIPS] Oprofile: kernel support for the R10000. [MIPS] Remove unused R10000 performance counter definitions. [MIPS] Add support for kexec [MIPS] Don't print presence of WAIT instruction on bootup. ...
| * | | | [MIPS] Remove duplicate ISA DMA code for 0 DMA channel case.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Remove unused definition of cpu_to_lelongp()Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Remove userspace proofing from <asm/bitops.h>.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Remove old junk left from old atomic_lock.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Use conditional traps for BUG_ON on MIPS II and better.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This shaves of around 4kB and a few cycles for the average kernel that has CONFIG_BUG enabled. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] mips HPT cleanup: make clocksource_mips publicAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Make clocksource_mips public and get rid of mips_hpt_read, mips_hpt_mask. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] do_IRQ cleanupAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Now we have both function and macro version of do_IRQ() and the former is used only by DEC and non-preemptive kernel. This patch makes everyone use the macro version and removes the function version. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Avoid dupliate D-cache flush on R400C / R4400 SC and MC variants.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Remove redundant r4k_blast_icache() callsAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | r4k_flush_cache_all() and r4k_flush_cache_mm() case: these are noop if the CPU did not have dc_aliases. It would mean we do not need to care about icache here. r4k_flush_cache_range case: if r4k_flush_cache_mm() did not need to care about icache, it would be same for this function. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Work around bogus gcc warnings.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Fix double inclusionsNicolas Kaiser2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Nicolas Kaiser <nikai@nikai.net> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] use generic_handle_irq, handle_level_irq, handle_percpu_irqAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Further incorporation of generic irq framework. Replacing __do_IRQ() by proper flow handler would make the irq handling path a bit simpler and faster. * use generic_handle_irq() instead of __do_IRQ(). * use handle_level_irq for obvious level-type irq chips. * use handle_percpu_irq for irqs marked as IRQ_PER_CPU. * setup .eoi routine for irq chips possibly used with handle_percpu_irq. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] IRQ cleanupsAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a big irq cleanup patch. * Use set_irq_chip() to register irq_chip. * Initialize .mask, .unmask, .mask_ack field. Functions for these method are already exist in most case. * Do not initialize .startup, .shutdown, .enable, .disable fields if default routines provided by irq_chip_set_defaults() were suitable. * Remove redundant irq_desc initializations. * Remove unnecessary local_irq_save/local_irq_restore, spin_lock. With this cleanup, it would be easy to switch to slightly lightwait irq flow handlers (handle_level_irq(), etc.) instead of __do_IRQ(). Though whole this patch is quite large, changes in each irq_chip are not quite simple. Please review and test on your platform. Thanks. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] mips hpt cleanup: get rid of mips_hpt_initAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Currently nobody outside time.c require mips_hpt_init(). Remove it and call c0_hpt_timer_init() directly if R4k counter was used for timer interrupt. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] PB1200: Remove duplicate definitionsYoichi Yuasa2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Fix alignment hole in struct cache_desc; shrink struct.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Oprofile: kernel support for the R10000.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Remove unused R10000 performance counter definitions.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Add support for kexecNicolas Schichan2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | A tiny userland application loading the kernel and invoking kexec_load for mips is available here: http://chac.le-poulpe.net/~nico/kexec/kexec-2006-10-18.tar.gz Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Don't print presence of WAIT instruction on bootup.Ralf Baechle2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Not useful and quite a big of noise on bootup of large systems. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| * | | | [MIPS] Fast path for rdhwr emulation for TLSAtsushi Nemoto2006-11-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add special short path for emulationg RDHWR which is used to support TLS. Add an extra prologue for cpu_has_vtag_icache case. Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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