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2007-08-25ACPI: add dump_stack() to trace acpi_format_exception programming errorsAndrew Morton
Dump the stack so we can find the secretive caller to acpi_format_exception(). Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-25make drivers/acpi/scan.c:create_modalias() staticAdrian Bunk
This patch makes the needlessly global create_modalias() static. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-25ACPI: Fix a warning of discarding qualifiers from pointer target typeAl Viro
drivers/acpi/ec.c: In function `acpi_ec_ecdt_probe': drivers/acpi/ec.c:873: warning: passing arg 1 of `acpi_get_devices' discards qualifiers from pointer target type Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-25ACPI: "ACPI handle has no context!" should be KERN_DEBUGShaohua Li
Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-25Pull suspend into release branchLen Brown
2007-08-24Pull video into release branchLen Brown
2007-08-24Pull thermal into release branchLen Brown
2007-08-24ACPI video hotkey: export missing ACPI video hotkey events via input layerLuming Yu
Signed-off-by: Yu Luming <luming.yu@intel.com> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24Pull sony into release branchLen Brown
2007-08-24Pull pnp into release branchLen Brown
2007-08-24Pull ec into release branchLen Brown
2007-08-24Pull bugzilla-8630 into release branchLen Brown
2007-08-24Pull battery into release branchLen Brown
2007-08-24Pull asus into release branchLen Brown
2007-08-24DM_MULTIPATH_RDAC: "scsi_normalize_sense" undefinedRandy Dunlap
DM_MULTIPATH_RDAC uses SCSI API(s) and is for a SCSI device, so add SCSI to its depends on to prevent build errors. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> [ Tested and Verified by Chandra Seetharaman ] Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-24ACPI: Validate XSDT, use RSDT if XSDT failsZhao Yakui
ACPI 1.0 used an RSDT with 32-bit physical addresses. ACPI 2.0 adds an XSDT with 32-bit physical addresses. An ACPI 2.0 aware OS is supposed to use the XSDT (when present) instead of the RSDT. However, several systems have failed because the XSDT contains NULL entries -- while it is missing pointers to needed tables, such as SSDTs. When we find an XSDT with NULL entries, discard it and use the ACPI 1.0 RSDT instead. http://bugzilla.kernel.org/show_bug.cgi?id=8630 Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24ACPI: /proc/acpi/thermal_zone trip points are now read-only, mark them as suchPavel Machek
Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24ACPI: fix ia64 allnoconfig buildLen Brown
drivers/acpi/event.c:238: error: conflicting types for ‘acpi_bus_generate_netlink_event’ include/acpi/acpi_bus.h:324: error: previous declaration of ‘acpi_bus_generate_netlink_event’ was here Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNP: remove null pointer checksBjorn Helgaas
Remove some null pointer checks. Null pointers in these areas indicate programming errors, and I think it's better to oops immediately rather than return an error that is easily ignored. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNP: remove MODULE infrastructureBjorn Helgaas
We don't support building any part of PNP as a module (*drivers* can be modules, of course, but the PNP infrastructure itself can not). Since MODULE will never be defined, remove the ifdefs and dead code. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24ISAPNP: removed unused isapnp_detected and ISAPNP_DEBUGBjorn Helgaas
ISAPNP_DEBUG isn't used at all. isapnp_detected is set but never read. So remove them both. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNPACPI: remove unnecessary casts of "void *"Bjorn Helgaas
Remove unnecessary casts of void pointers. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNPACPI: simplify irq_flags()Bjorn Helgaas
No need for a temporary variable; just return the flags once we know them. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24PNP: fix up after LindentBjorn Helgaas
More manual fixups after Lindent. No functional change. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Adam Belay <abelay@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24ACPI: enable GPEs before calling _WAK on resumeThomas Renninger
It seems it's required to enable GPEs before _WAK. E.g. X60 triggers a LID related GPE instead of doing a Notify in WAK. Now the GPE reaches the kernel and the Notify for LID status change gets thrown from there. Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24asus-laptop: Fix rmmod of asus_laptopGuillaume Chazarain
The asus laptop driver conditionnaly registers leds in asus_led_register() depending on their availability, but unconditionnaly unregisters them all at exit time or when the module fails to load. Unregistering not registered leds result in the following Oops. So we should check before unregistering. [<c032d2f9>] do_page_fault+0x511/0x5e9 [<c032bae2>] error_code+0x6a/0x70 [<c026abf8>] device_unregister+0x26/0x32 [<f8864218>] led_classdev_unregister+0x58/0x94 [led_class] [<f88a90f8>] asus_led_exit+0x17/0x41 [asus_laptop] [<f88a91c9>] asus_laptop_exit+0xd/0x3f [asus_laptop] [<c013cee1>] sys_delete_module+0x17b/0x1a2 [<c0106eae>] sysenter_past_esp+0x6b/0xa1 EIP: [<c026a9a3>] device_del+0xb/0x23a SS:ESP 0068:f594ef0c Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24sony-laptop: call sonypi_compat_init earlierMattia Dongili
sonypi_compat uses a kfifo that needs to be present before _SRS is called to be able to cope with the IRQs triggered when setting resources. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-24sony-laptop: enable Vaio FZ eventsMattia Dongili
Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-23Merge 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: don't check n_sectors during revalidation if zero pata_via: Add Arima W730-K8 and other rebadgings pata_sis: Add the FSC Amilo and friends pata_pdc2027x: PLL detection fixes libata: fix n_sectors failure handling during revalidation
2007-08-23tty: dont needlessly cast kmalloc() return valueJesper Juhl
kmalloc() hands us a void pointer, we don't need to cast it. Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-23Merge branch 'master' of ↵Linus Torvalds
ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb * 'master' of ssh://master.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb: V4L/DVB (6070): Fix a warning at dvb_net V4L/DVB (6042): b2c2-flexcop: fix Airstar HD5000 tuning regression
2007-08-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-schedLinus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched: sched: tweak the sched_runtime_limit tunable sched: skip updating rq's next_balance under null SD sched: fix broken SMT/MC optimizations sched: accounting regression since rc1 sched: fix sysctl directory permissions sched: sched_clock_idle_[sleep|wakeup]_event()
2007-08-23Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: sdhci: tell which spurious interrupt we got sdhci: handle data interrupts during command mmc: ignore bad max block size in sdhci sdhci: be more cautious about block count register drivers/mmc/core/host.c: kmalloc + memset conversion to kzalloc drivers/mmc/core/bus.c: kmalloc + memset conversion to kzalloc
2007-08-23Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: PCI: Run k8t_sound_hostbridge quirk only when needed PCI: disable MSI on RX790 PCI: disable MSI on RD580 PCI: disable MSI on RS690 PCI: make pcie_get_readrq visible in pci.h PCI: lets kill the 'PCI hidden behind bridge' message pci/hotplug/cpqphp_ctrl.c: remove stale BKL use PCI: Document pci_iomap() PCI: quirk_e100_interrupt() called too early PCI: Move prototypes for pci_bus_find_capability to include/linux/pci.h
2007-08-23Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6Linus Torvalds
* master.kernel.org:/pub/scm/linux/kernel/git/gregkh/usb-2.6: (35 commits) usb: add PRODUCT, TYPE to usb-interface events USB: resubmission unusual_devs modification for Nikon D80 usb quirks: Add Canon EOS 5D (PC Connection mode) to the autosuspend blacklist USB: make EHCI initialize properly on PPC SOCs UEAGLE: Remove sysfs files on error case USB: fsl_usb2_udc: fix bug in processing setup requests USB: g_file_storage: fix bug in DMA buffer handling USB: update last_busy field correctly USB: fix DoS in pwc USB video driver USB: allow retry on descriptor fetch errors USB: unkill cxacru atm driver USB: Adding support for HTC Smartphones to ipaq USB: another quirky device USB: quirky mass storage device USB: ohci, fix oddball gcc warning usb-storage: fix bugs in the disconnect pathway usb: typo in usb R8A66597 HCD config USB: accept 1-byte Device Status replies, fixing some b0rken devices USB: blacklist Samsung ML-2010 printer usb-serial: fix oti6858.c segfault in termios handling ...
2007-08-23pata_it821x: Fix regression/corruptorAlan Cox
Whoever did the PCI revision patch slipped up on the it821x, and I didn't spot this at the time either. They moved the check for the errata from the 0x10 revision to 0x11. Put it back This one is important for 2.6.23 final as in some cases bad things will occur if 0x10 revision boards don't get the fixups. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-24ACPI: EC: revert fix for bugzilla 8709Alexey Starikovskiy
This is a manual revert of 7c010de7506954e973abfab5c5999c5a97f7a73e, a fix that broke another ASUS in 8909 and 8919. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-23lguest should depend on CONFIG_FUTEXAlexey Dobriyan
It uses get_futex_key(). Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-08-23ACPI video hotkey: remove invalid events handler for video output devicesZhang Rui
Both ACPI_VIDEO_NOTIFY_SWITCH and ACPI_VIDEO_NOTIFY_PROBE are valid for video bus devices only. Actually ACPI video output device should never be notified for a output device switch/probe. ACPI bus devices notify handler already has the code to handle these kinds of events. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-23ACPI: Schedule /proc/acpi/event for removalLen Brown
Schedule /proc/acpi/event for removal in 6 months. Re-name acpi_bus_generate_event() to acpi_bus_generate_proc_event() to make sure there is no confusion that it is for /proc/acpi/event only. Add CONFIG_ACPI_PROC_EVENT to allow removal of /proc/acpi/event. There is no functional change if CONFIG_ACPI_PROC_EVENT=y Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-23ACPI: don't duplicate input events on netlinkZhang Rui
The previous events patch added a netlink event for every user of the legacy /proc/acpi/event interface. However, some users of /proc/acpi/event are really input events, and they already report their events via the input layer. Introduce a new interface, acpi_bus_generate_netlink_event(), which is explicitly called by devices that want to repoprt events via netlink. This allows the input-like events to opt-out of generating netlink events. In summary: events that are sent via netlink: ac/battery/sbs thermal processor thinkpad_acpi dock/bay events that are sent via input layer: button video hotkey thinkpad_acpi hotkey asus_acpi/asus-laptop hotkey sonypi/sonylaptop Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
2007-08-23V4L/DVB (6070): Fix a warning at dvb_netMauro Carvalho Chehab
static function dvb_net_sec declares input arg "pkt" as u8. However, the same argument at dvb_net_sec_callback is defined as "const u8". When calling dvb_net_sec, this is casted as just "u8". gcc 4.2.1 generates a warning about that: CC [M] drivers/media/dvb/dvb-core/dvb_net.o drivers/media/dvb/dvb-core/dvb_net.c: In function "dvb_net_sec_callback": drivers/media/dvb/dvb-core/dvb_net.c:905: warning: passing argument 2 of "dvb_net_sec" discards qualifiers from pointer target type Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-08-23V4L/DVB (6042): b2c2-flexcop: fix Airstar HD5000 tuning regressionTrent Piepho
Git changeset 6bdcc6e6dbab8daffd05e5026486f34ba41a6c72 dropped the stand-alone lgh06xf module, whose functionality was absorbed into the dvb-pll module. However, there was a minor difference between the code in lgh06xf and dvb-pll, which caused a regression in b2c2-flexcop devices using the LG-H06xF NIM. dvb-pll will probe for the presence of an i2c pll chip by performing a single byte read, the lgh06xf driver did not do this. Unfortunately, the code in flexcop-i2c.c does not currently support 1 byte or 0 byte reads as a probe. Such probes with the current code will always fail. In order to work around this problem, and restore proper functionality of the Airstar HD5000 device, this hack was created to make the probe appear to succeed. The single byte read in dvb_pll_attach is the only place where such a probe would ever occur, so this change is safe, and will not affect any other devices. Of course, if one knew how to actually perform the read operation, it would be better to go that route. In the meantime, however, we must apply this workaround, in order to prevent the regression that causes tuning to fail on the Airstar HD5000 ATSC device. Thanks to Jarod Wilson, who had originally reported this regression, and to Geoffrey Hausheer, whose original workaround patch led us to find the actual cause of the problem. Signed-off-by: Trent Piepho <xyzzy@speakeasy.org> Cc: Geoffrey Hausheer <inli3epy93n@phracturedblue.com> Acked-by: Jarod Wilson <jwilson@redhat.com> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
2007-08-23sched: sched_clock_idle_[sleep|wakeup]_event()Ingo Molnar
construct a more or less wall-clock time out of sched_clock(), by using ACPI-idle's existing knowledge about how much time we spent idling. This allows the rq clock to work around TSC-stops-in-C2, TSC-gets-corrupted-in-C3 type of problems. ( Besides the scheduler's statistics this also benefits blktrace and printk-timestamps as well. ) Furthermore, the precise before-C2/C3-sleep and after-C2/C3-wakeup callbacks allow the scheduler to get out the most of the period where the CPU has a reliable TSC. This results in slightly more precise task statistics. the ACPI bits were acked by Len. Signed-off-by: Ingo Molnar <mingo@elte.hu> Acked-by: Len Brown <len.brown@intel.com>
2007-08-23libata: don't check n_sectors during revalidation if zeroTejun Heo
If the initial configuration fails early, n_sectors is left at zero. Checking against it during revalidation makes retried configuration fail due to n_sectors mismatch. Ignore zero n_sectors during revalidation. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23pata_via: Add Arima W730-K8 and other rebadgingsAlan Cox
More cable funnies Signed-off-by: Alan Cox <alan@redhat.com> Tested-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23pata_sis: Add the FSC Amilo and friendsAlan Cox
More short cables Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23pata_pdc2027x: PLL detection fixesMikael Pettersson
Previously I reported that the pata_pdc2027x PLL detection changes in kernel 2.6.22 broke the driver on my PowerMac: >pata_pdc2027x: Invalid PLL input clock 1691742kHz, give up! This is followed by a number of errors and speed reduction steps on the affected ports. There are two bugs in pata_pdc2027x's PLL detection code: 1. The PLL counter's start value is read before the chip is put in "test mode". Outside of test mode the counter is halted, and on the PowerMac the counter is zero because the chip hasn't been initialised by its BIOS. The fix is to move the read of the start value to after test mode is started, but before the mdelay() in test mode. This also improves the precision of the PLL detection. 2. The code to compute the number of PLL decrements during the mdelay() in test mode fails to consider that the PLL counter only is 30 bits wide. If there is a wraparound, it will compute an incorrect and much too large value. On the PowerMac, the start count is zero, the end count is a large 30-bit value, so wraparound occurs and an out of bounds PLL clock is detected. The fix is to mask the (start - end) computation to 30 bits. While debugging this I also noticed that pdc_read_counter() reads the two halves of the 30-bit PLL counter as 16-bit values, and then combines them as if the halves only are 15 bits wide. To avoid confusion, the halves should be read as 15-bit values. This patch implements all three changes. It fixes the PLL detection failure on my PowerMac, and doesn't cause any regressions on an x86 with an identical card. Signed-off-by: Mikael Pettersson <mikpe@it.uu.se> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23libata: fix n_sectors failure handling during revalidationTejun Heo
If revalidation fails because device has different n_sectors after configuration the original n_sectors should be restored before failing revalidation. Without this fix, n_sectors difference will incorrectly and silently pass revalidation when revalidation is retried. Signed-off-by: Tejun Heo <htejun@gmail.com> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23sdhci: tell which spurious interrupt we gotPierre Ossman
When we get unexpected interrupts, also print which interrupt it was. Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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