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2007-02-13sony-laptop: allow complex per-value input/output validationMattia Dongili
Replace sony_acpi_value.{min,max} with a callback function that allows more complex reasoning in accepting input and presenting output. This allows consistency between the sony-laptop specific 'brightness_default' and the backlight subsystem 0-based 'brightness'. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: add to MAINTAINERSMattia Dongili
Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: Update docsMattia Dongili
Update documentation to be consistent with current implementation (backlight subsys and platform_device). Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: LindentLen Brown
Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: Group functions and structures to better draw subsytems usageMattia Dongili
Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: Small update to the Kconfig help to make people believe this ↵Mattia Dongili
driver is useful. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: Remove /proc/acpi/sony interface and implement platform_device.Mattia Dongili
Rework method names list to allow an easier management of multiple values. Add myself as author/maintainer and bump the version number. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony-laptop: create from sony_acpiMattia Dongili
Move drivers/acpi/sony_acpi.c to drivers/misc/sony-laptop.c with all the necessary configuration. The SONY_LAPTOP config option substitutes the old ACPI_SONY and is 'default n' now. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Fix sony_acpi backlight registration and unregistrationMattia Dongili
Initialize the current brightness if the driver registration was successful and unregister the driver in the error exit path. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Allow multiple sony_acpi_values for the same .nameMattia Dongili
The acpi handles are kept _only_ if both the requested .acpiget and .acpiset are available in the DSDT. Currently only the SCDP/CDPW dualism is known. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Add lanpower and audiopower controlsMattia Dongili
audiopower works well on my SZ72B so it's not marked has "debug" while lanpower has at least one report of not resuming power happily so morked as "debug" Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Allow easier debugging for the unknown SNC methods.Mattia Dongili
Allow the existence of a setter method without a getter and viceversa, additionaly set /proc file permissions reflecting it. Fix also the error exit path. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Add acpi_bus_generate eventStelian Pop
Added acpi_bus_generate event for forwarding Fn-keys pressed to acpi subsystem, and made correspondent necessary changes for this to work. Signed-off-by: Nilton Volpato <nilton.volpato@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Video sysfs support take 2Andrew Morton
add dev argument for backlight_device_register Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Add backlight support to the sony_acpi v2Alessandro Guido
Enable the sony_acpi driver to use the backlight subsysyem for adjusting the monitor brightness. Old way of changing the brightness will be still available for compatibility with existing tools. Signed-off-by: Alessandro Guido <alessandro.guido@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Add backlight support to the sony_acpiAlessandro Guido
Make the sony_acpi use the backlight subsystem to adjust brightness value instead of using the /proc/sony/brightness file. (Other settings will still have a /proc/sony/... entry) Signed-off-by: Alessandro Guido <alessandro.guido@gmail.com> Cc: Stelian Pop <stelian@popies.net> Cc: Richard Purdie <rpurdie@rpsys.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Fix sony_acpi_resume callAndrew Morton
Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: Avoid dimness on resume.Andrew Morton
Doesn't work. Cc: Stelian Pop <stelian@popies.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-13sony_acpi: SNC device support for Sony VaiosStelian Pop
From: Bjorn Helgaas <bjorn.helgaas@hp.com> Even though the devices claimed by sony_acpi.c can not be hot-plugged, the driver registration infrastructure allows the .add() and .remove() methods to be called at any time while the driver is registered. So remove __init and __exit from them. From: Matthew Garrett <mjg59@srcf.ucam.org> [UBUNTU:acpi/sony] Add FN hotkey support Source URL of Patch: http://www.kernel.org/git/?p=linux/kernel/git/bcollins/ubuntu-dapper.git;a=commitdiff;h=7a9b49cba4919e8506604629db03add8e0b85767 Signed-off-by: Ben Collins <bcollins@ubuntu.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-02-04Linux 2.6.20Linus Torvalds
2007-02-04[PATCH] EFI x86: pass firmware call parameters on the stackFrédéric Riss
When calling into the EFI firmware, the parameters need to be passed on the stack. The recent change to use -mregparm=3 breaks x86 EFI support. This patch is needed to allow the new Intel-based Macs to suspend to ram (efi.get_time is called during the suspend phase). Signed-off-by: Frederic Riss <frederic.riss@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] fix rtl8150Al Viro
That code doesn't do what its author apparently thought it would do... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: [SCSI] sd: udev accessing an uninitialized scsi_disk field results in a crash [SCSI] st: A MTIOCTOP/MTWEOF within the early warning will cause the file number to be incorrect [SCSI] qla4xxx: bug fixes [SCSI] Fix scsi_add_device() for async scanning
2007-02-03[PATCH] x86-64: define dma noncoherent API functionsJeff Garzik
x86-64 is missing these: Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] Altix: more ACPI PRT supportJohn Keller
The SN Altix platform does not conform to the IOSAPIC IRQ routing model. Add code in acpi_unregister_gsi() to check if (acpi_irq_model == ACPI_IRQ_MODEL_PLATFORM) and return. Due to an oversight, this code was not added previously when similar code was added to acpi_register_gsi(). http://marc.theaimsgroup.com/?l=linux-acpi&m=116680983430121&w=2 Signed-off-by: John Keller <jpk@sgi.com> Acked-by: Len Brown <lenb@kernel.org> Cc: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] revert blockdev direct io back to 2.6.19 versionAndrew Morton
Andrew Vasquez is reporting as-iosched oopses and a 65% throughput slowdown due to the recent special-casing of direct-io against blockdevs. We don't know why either of these things are occurring. The patch minimally reverts us back to the 2.6.19 code for a 2.6.20 release. Cc: Andrew Vasquez <andrew.vasquez@qlogic.com> Cc: Ken Chen <kenchen@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] alpha: fix epoll syscall enumerationsMike Frysinger
We went and named them __NR_sys_foo instead of __NR_foo. It may be too late to change this, but we can at least add the proper names now. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] net/smc911x: match up spin lock/unlockPeter Korsgaard
smc911x_phy_configure's error handling unconditionally unlocks the spinlock even if it wasn't locked. Patch fixes it. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Cc: Jeff Garzik <jeff@garzik.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] kexec: Avoid migration of already disabled irqs (ia64)Magnus Damm
This patch fixes up ia64 kexec support for HP rx2620 hardware. It does this by skipping migration of already disabled irqs. This is most likely a problem on other ia64 platforms as well, but I've only been able to reproduce it on one machine so far. The full story is that handle_bad_irq() gets invoked before starting the new kernel without this patch. This seems to happen when fixup_irqs() calls generic_handle_irq() on already migrated (and disabled) irqs. So by avoiding migration of disabled irqs we stay away of handle_bad_irq(). The code has been tested on three different ia64 machines, all with good results. It is possible to trigger the same bug by offlining a processor using echo 0 > /sys/devices/system/cpu/cpuX/online. More detailed information is available in the following mail thread: http://lists.osdl.org/pipermail/fastboot/2007-January/thread.html#5774 Signed-off-by: Magnus Damm <magnus@valinux.co.jp> Acked-by: Simon Horman <horms@verge.net.au> Acked-by: Zou, Nanhai <nanhai.zou@intel.com> Acked-by: Jay Lan <jlan@sgi.com> Acked-by: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-03[PATCH] aio: fix buggy put_ioctx call in aio_complete - v2Ken Chen
An AIO bug was reported that sleeping function is being called in softirq context: BUG: warning at kernel/mutex.c:132/__mutex_lock_common() Call Trace: [<a000000100577b00>] __mutex_lock_slowpath+0x640/0x6c0 [<a000000100577ba0>] mutex_lock+0x20/0x40 [<a0000001000a25b0>] flush_workqueue+0xb0/0x1a0 [<a00000010018c0c0>] __put_ioctx+0xc0/0x240 [<a00000010018d470>] aio_complete+0x2f0/0x420 [<a00000010019cc80>] finished_one_bio+0x200/0x2a0 [<a00000010019d1c0>] dio_bio_complete+0x1c0/0x200 [<a00000010019d260>] dio_bio_end_aio+0x60/0x80 [<a00000010014acd0>] bio_endio+0x110/0x1c0 [<a0000001002770e0>] __end_that_request_first+0x180/0xba0 [<a000000100277b90>] end_that_request_chunk+0x30/0x60 [<a0000002073c0c70>] scsi_end_request+0x50/0x300 [scsi_mod] [<a0000002073c1240>] scsi_io_completion+0x200/0x8a0 [scsi_mod] [<a0000002074729b0>] sd_rw_intr+0x330/0x860 [sd_mod] [<a0000002073b3ac0>] scsi_finish_command+0x100/0x1c0 [scsi_mod] [<a0000002073c2910>] scsi_softirq_done+0x230/0x300 [scsi_mod] [<a000000100277d20>] blk_done_softirq+0x160/0x1c0 [<a000000100083e00>] __do_softirq+0x200/0x240 [<a000000100083eb0>] do_softirq+0x70/0xc0 See report: http://marc.theaimsgroup.com/?l=linux-kernel&m=116599593200888&w=2 flush_workqueue() is not allowed to be called in the softirq context. However, aio_complete() called from I/O interrupt can potentially call put_ioctx with last ref count on ioctx and triggers bug. It is simply incorrect to perform ioctx freeing from aio_complete. The bug is trigger-able from a race between io_destroy() and aio_complete(). A possible scenario: cpu0 cpu1 io_destroy aio_complete wait_for_all_aios { __aio_put_req ... ctx->reqs_active--; if (!ctx->reqs_active) return; } ... put_ioctx(ioctx) put_ioctx(ctx); __put_ioctx bam! Bug trigger! The real problem is that the condition check of ctx->reqs_active in wait_for_all_aios() is incorrect that access to reqs_active is not being properly protected by spin lock. This patch adds that protective spin lock, and at the same time removes all duplicate ref counting for each kiocb as reqs_active is already used as a ref count for each active ioctx. This also ensures that buggy call to flush_workqueue() in softirq context is eliminated. Signed-off-by: "Ken Chen" <kenchen@google.com> Cc: Zach Brown <zach.brown@oracle.com> Cc: Suparna Bhattacharya <suparna@in.ibm.com> Cc: Benjamin LaHaise <bcrl@kvack.org> Cc: Badari Pulavarty <pbadari@us.ibm.com> Cc: <stable@kernel.org> Acked-by: Jeff Moyer <jmoyer@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-02[NETFILTER]: nf_conntrack_h323: fix compile error with CONFIG_IPV6=m, ↵Adrian Bunk
CONFIG_NF_CONNTRACK_H323=y Fix this by letting NF_CONNTRACK_H323 depend on (IPV6 || IPV6=n). Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-02[NETFILTER]: ctnetlink: fix compile failure with NF_CONNTRACK_MARK=nPatrick McHardy
CC net/netfilter/nf_conntrack_netlink.o net/netfilter/nf_conntrack_netlink.c: In function 'ctnetlink_conntrack_event': net/netfilter/nf_conntrack_netlink.c:392: error: 'struct nf_conn' has no member named 'mark' make[3]: *** [net/netfilter/nf_conntrack_netlink.o] Error 1 Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-02[SCSI] sd: udev accessing an uninitialized scsi_disk field results in a crashNagendra Singh Tomar
sd_probe() calls class_device_add() even before initializing the sdkp->device variable. class_device_add() eventually results in the user mode udev program to be called. udev program can read the the allow_restart attribute of the newly created scsi device. This is resulting in a crash as the show function for allow_restart (i.e sd_show_allow_restart) returns the attribute value by reading the sdkp->device->allow_restart variable. As the sdkp->device is not initialized before calling the user mode hotplug helper, this results in a crash. The patch below solves it by calling class_device_add() only after the necessary fields in the scsi_disk structure are initialized properly. Signed-off-by: Nagendra Singh Tomar <nagendra_tomar@adaptec.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
2007-02-02Merge branch 'upstream-linus' of ↵Linus Torvalds
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: libata: Initialize nbytes for internal sg commands libata: Fix ata_busy_wait() kernel docs pata_via: Correct missing comments pata_atiixp: propogate cable detection hack from drivers/ide to the new driver ahci/pata_jmicron: fix JMicron quirk
2007-02-02libata: Initialize nbytes for internal sg commandsBrian King
Some LLDDs, like ipr, use nbytes and pad_len to determine the total data transfer length of a command. Make sure nbytes gets initialized for internally generated commands. Signed-off-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02libata: Fix ata_busy_wait() kernel docsAlan
> Looks like you should use ata_busy_wait() here, rather than reproducing > the same code again. It waits in 10uS chunks while 1uS chunks were used in the workaround. Could indeed do that once I know the fix is right. While I'm at it the ata_busy_wait kerneldoc is borked so here's a fix Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02pata_via: Correct missing commentsAlan
The 8237S was added to the chipsets but not to the comments. Fix this Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02pata_atiixp: propogate cable detection hack from drivers/ide to the new driverAlan
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02ahci/pata_jmicron: fix JMicron quirkTejun Heo
For all JMicrons except for 361 and 368, AHCI mode enable bits in the Control(1) should be set. This used to be done in both ahci and pata_jmicron but while moving programming to PCI quirk, it was removed from ahci part while still left in pata_jmicron. The implemented JMicron PCI quirk was incorrect in that it didn't program AHCI mode enable bits. If pata_jmicron is loaded first and programs those bits, the ahci ports work; otherwise, ahci device detection fails miserably. This patch makes JMicron PCI quirk clear SATA IDE mode bits and set AHCI mode bits and remove the respective part from pata_jmicron. Tested on JMB361, 363 and 368. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02Merge branch 'upstream-linus' of ↵Linus Torvalds
master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: spidernet : fix memory leak in spider_net_stop e100: fix napi ifdefs removing needed code netxen patches
2007-02-02Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/bnx2-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/bnx2-2.6: [BNX2]: PHY workaround for 5709 A0.
2007-02-02Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET_SCHED]: act_ipt: fix regression in ipt action
2007-02-02Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6: [SPARC32]: Fix over-optimization by GCC near ip_fast_csum.
2007-02-02[PATCH] MAINTAINERS: ufs entryEvgeniy Dushistov
Mark ufs file system as maintainable, and add me as maintainer, to help people find appropriate person to assign bugs. Signed-off-by: Evgeniy Dushistov <dushistov@mail.ru> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-02Revert "[PATCH] fix typo in geode_configre()@cyrix.c"Linus Torvalds
This reverts commit e4f0ae0ea63caceff37a13f281a72652b7ea71ba. It's not wrong, but it's not right either, and everybody seems to agree that the right fix is probably to do the ccr3 write after the ccr4 one (and that we also should clean it up a bit). And after that we need to really validate that all the bits that we write to ccr4 actually do work. The old 2.6.19 code was insane, and basically didn't change ccr4 at all (even though it certainly looks like it was the *intent* to do so). So let's revert the change that may fix things, just because it's not what was actually ever tested when the code was written, even if it _was_ the intent. There's a discussion on http://lkml.org/lkml/2007/1/9/63 that was started by the patch that now gets reverted, and that discussion may well contain the proper long-term fix. Suggested-by: Adrian Bunk <bunk@stusta.de> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-02spidernet : fix memory leak in spider_net_stopJens Osterkamp
We forget to call spider_net_free_rx_chain_contents which does the actual dev_kfree_skb. New skbs are allocated from skbuff_head_cache on each "ifconfig up" letting the cache grow infinitely. This patch fixes it. Signed-off-by: Jens Osterkamp <jens@de.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02e100: fix napi ifdefs removing needed codeAuke Kok
e100: fix napi ifdefs removing needed code From: Auke Kok <auke-jan.h.kok@intel.com> The e100 driver is NAPI mode only. We need to netif_poll_disable during suspend and shutdown. The non-NAPI driver code was removed and is only avaiable in the out-of-tree e100 kernel driver. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-02-02Merge ../linux-2.6Jeff Garzik
2007-02-02[BNX2]: PHY workaround for 5709 A0.Michael Chan
5709 A0 copper devices will not link up with some link partners without this workaround. Update driver to 1.5.5. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2007-02-02[NET_SCHED]: act_ipt: fix regression in ipt actionPatrick McHardy
The x_tables patch broke target module autoloading in the ipt action by replacing the ipt_find_target call (which does autoloading) by xt_find_target (which doesn't do autoloading). Additionally xt_find_target may return ERR_PTR values in case of an error, which are not handled. Use xt_request_find_target, which does both autoloading and ERR_PTR handling properly. Also don't forget to drop the target module reference again when xt_check_target fails. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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