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* Merge branch 'misc' into releaseLen Brown2009-04-05
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| * toshiba-acpi: remove MAINTAINERS entryJohannes Berg2009-04-05
| | | | | | | | | | | | | | | | | | | | | | | | "I'm not much opposed to marking this driver orphaned. I haven't used a Toshiba laptop in four years or so, and disagree with the recent additions of bluetooth and wireless control to the driver. --John" Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Acked-by: John Belmonte <john@neggie.net> Signed-off-by: Len Brown <len.brown@intel.com>
| * panasonic-laptop: use snprintf with PAGE_SIZE in sysfs attributesHarald Welte2009-04-03
| | | | | | | | | | | | | | | | | | | | Instead of just sprintf() into the page-sized buffer provided by the sysfs/device_attribute API, we use snprintf with PAGE_SIZE as an additional safeguard. Signed-off-by: Martin Lucina <mato@kotelna.sk> Signed-off-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * panasonic-laptop: Fix autoloadingHarald Welte2009-04-03
| | | | | | | | | | | | | | | | | | | | This patch adds MODULE_DEVICE_TABLE() to panasonic-laptop.c in order to ensure automatic loading of the module on systems with the respective "MAT*" ACPI devices. Signed-off-by: Martin Lucina <mato@kotelna.sk> Signed-off-by: Harald Welte <laforge@gnumonks.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: constify tables in pci_irq.cJan Beulich2009-04-03
| | | | | | | | | | Signed-off-by: Jan Beulich <jbeulich@novell.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * dock: fix dereference after kfree()Dan Carpenter2009-04-03
| | | | | | | | | | | | | | | | | | | | dock_remove() calls kfree() on dock_station so we should use list_for_each_entry_safe() to avoid dereferencing freed memory. Found by smatch (http://repo.or.cz/w/smatch.git/). Compile tested. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: update commentZhang Rui2009-04-03
| | | | | | | | | | | | | | update ACPI Development Discussion List Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: get_throttling_state() cannot be larger than state_countLen Brown2009-04-03
| | | | | | | | | | | | Reported-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: suspend: Add the Pansonic CF51 box to the dmi check tableZhao Yakui2009-04-03
| | | | | | | | | | | | | | | | | | | | The Pansonic CF51-2L requires "acpi_sleep=old_ordering", so invoke it automatically via DMI. http://bugzilla.kernel.org/show_bug.cgi?id=12561 Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * tc1100-wmi: Fix state reportingKrzysztof Kosiński2009-04-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The tc1100-wmi driver should print the current states of wireless LAN and jogdial brightness control when "cat /sys/devices/platform/tc1100-wmi/wireless" and "cat /sys/devices/platform/tc1100-wmi/jogdial" are executed, respectively. What actually happens is that both of those commands print 0 regardless of the hardware state. The cause is that wmi_query_block returns an ACPI_TYPE_INTEGER rather than ACPI_TYPE_BUFFER as the driver assumes. Additionally, the driver intends to return a jogdial state that is inverted with respect to the commands required to set it (e.g. it intends to return 1 after the jogdial file was written with 0). This patch fixes both of those issues - the commands to query the state now work, and should return the same state that was written. http://bugzilla.kernel.org/show_bug.cgi?id=12286 Signed-off-by: Krzysztof Kosiński <tweenk.pl@gmail.com> Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: cap off P-state transition latency from buggy BIOSesPallipadi, Venkatesh2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some BIOSes report very high frequency transition latency which are plainly wrong on CPus that can change frequency using native MSR interface. One such system is IBM T42 (2327-8ZU) as reported by Owen Taylor and Rik van Riel. cpufreq_ondemand driver uses this transition latency to come up with a reasonable sampling interval to sample CPU usage and with such high latency value, ondemand sampling interval ends up being very high (0.5 sec, in this particular case), resulting in performance impact due to slow response to increasing frequency. Fix it by capping-off the transition latency to 20uS for native MSR based frequency transitions. mjg: We've confirmed that this also helps on the X31 Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'x2apic' into releaseLen Brown2009-04-05
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| * | ACPI: update x2apic commentsSuresh Siddha2009-04-03
| | | | | | | | | | | | | | | Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | x86, ACPI: add support for x2apic ACPI extensionsSuresh Siddha2009-04-03
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All logical processors with APIC ID values of 255 and greater will have their APIC reported through Processor X2APIC structure (type-9 entry type) and all logical processors with APIC ID less than 255 will have their APIC reported through legacy Processor Local APIC (type-0 entry type) only. This is the same case even for NMI structure reporting. The Processor X2APIC Affinity structure provides the association between the X2APIC ID of a logical processor and the proximity domain to which the logical processor belongs. For OSPM, Procssor IDs outside the 0-254 range are to be declared as Device() objects in the ACPI namespace. Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'pnpacpi' into releaseLen Brown2009-04-05
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| * | Enable PNPACPI _PSx Support, v3Witold Szczeponik2009-04-03
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (This is an update to the patch presented earlier in http://lkml.org/lkml/2008/12/8/284, with new error handling.) This patch sets the power of PnP ACPI devices to D0 when they are activated and to D3 when they are disabled. The latter is in correspondence with the ACPI 3.0 specification, whereas the former is added in order to be able to power up a device after it has been previously disabled (or when booting up a system). (As a consequence, the patch makes the PnP ACPI code more ACPI compliant.) Section 6.2.2 of the ACPI Specification (at least versions 1.0b and 3.0a) states: "Prior to running this control method [_DIS], the OS[PM] will have already put the device in the D3 state." Unfortunately, there is no clear statement as to when to put a device in the D0 state. :-( Therefore, the patch executes the method calls as _PS3/_DIS and _SRS/_PS0. What is clear: "If the device is disabled, _SRS enables the device at the specified resources." (From the ACPI 3.0a Specification.) The patch fixes a problem with some IBM ThinkPads (at least the 600E and the 600X) where the serial ports have a dedicated power source that needs to be brought up before the serial port can be used. Without this patch, the serial port is enabled but has no power. (In the past, the tpctl utility had to be utilized to turn on the power, but support for this feature stopped with version 5.9 as it did not support the more recent kernel versions.) The error handlers that handle any errors that can occur during the power up/power down phases return the error codes to the caller directly. Comments welcome! :-) No regressions were observed on hardware that does not require this patch. The patch is applied against 2.6.27.x. Signed-off-by: Witold Szczeponik <Witold.Szczeponik@gmx.net> Acked-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'dell-wmi' into releaseLen Brown2009-04-05
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| * | dell-wmi: new driver for hotkey controlMatthew Garrett2009-04-03
| |/ | | | | | | | | | | | | | | | | | | | | Add a WMI driver for Dell laptops. Currently it does nothing but send a generic input event when a button with a picture of a battery on it is pressed, but maybe other uses will appear over time. Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'constify' into releaseLen Brown2009-04-05
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| * | video: build fixLen Brown2009-04-04
| | | | | | | | | | | | | | | | | | | | | acpi_video_device_write_state() and friends now return ssize_t, while the constify patch assumed it was still int. Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: constify VFTs (2/2)Jan Engelhardt2009-04-03
| | | | | | | | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: constify VFTs (1/2)Jan Engelhardt2009-04-03
| |/ | | | | | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Len Brown <len.brown@intel.com>
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*-. \ Merge branches 'bugzilla-12461' and 'bugzilla-9998' into releaseLen Brown2009-04-05
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| | * | ACPI: EC: Separate delays for MSI hardwareAlexey Starikovskiy2009-04-01
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | MSI notebooks require very strict delays, while all others are happy with msleep(). References: http://bugzilla.kernel.org/show_bug.cgi?id=9998 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * / ACPI: EC: Always parse EC deviceAlexey Starikovskiy2009-04-01
| |/ | | | | | | | | | | | | | | | | | | If ECDT info is not valid, we have last chance to configure EC driver properly at this point, don't miss it. http://bugzilla.kernel.org/show_bug.cgi?id=12461 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'acpi_enforce_resources' into releaseLen Brown2009-04-05
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| * | ACPI: acpi_enforce_resource=strict by defaultLuca Tettamanti2009-04-02
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Enforce strict resource checking - disallowing access by native drivers to IO ports and memory regions claimed by ACPI firmware. The patch is mainly aimed to block native hwmon drivers from touching monitoring chips that ACPI thinks it own. If this causes a regression, boot with "acpi_enforce_resources=lax" which was the previous default. http://bugzilla.kernel.org/show_bug.cgi?id=12376 http://bugzilla.kernel.org/show_bug.cgi?id=12541 Signed-off-by: Luca Tettamanti <kronos.it@gmail.com> Acked-by: Pavel Machek <pavel@suse.cz> Acked-by: Jean Delvare <khali@linux-fr.org> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'async-battery' into releaseLen Brown2009-04-05
|\ \ | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/Makefile Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: battery: asynchronous initArjan van de Ven2009-04-04
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The battery driver tends to take quite some time to initialize (100ms-300ms is quite typical). This patch initializes the batter driver asynchronously, so that other things in the kernel can initialize in parallel to this 300 msec. As part of this, the battery driver had to move to the back of the ACPI init order (hence the Makefile change). Without this move, the next ACPI driver would just block on the ACPI/devicee layer semaphores until the battery driver was done anyway, not gaining any boot time. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'acpi-modparam' into releaseLen Brown2009-04-05
|\ \ | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/Makefile Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: simplify processor lines in MakefileLen Brown2009-04-02
| | | | | | | | | | | | | | | Suggested-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: simplify module_param namespaceRusty Russell2009-04-02
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: cleanup Rather than overriding MODULE_PARAM_PREFIX, build via acpi.o so KBUILD_MODNAME is set to "acpi". This is the logical way to do it, even though acpi cannot be a module due to these config options being bool. Those parts of ACPI which can be modular are not built into the acpi "module". Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'sony-laptop' into releaseLen Brown2009-04-05
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| * | sony-laptop: fix event reporting for new style eventsMatthias Welwarsky2009-04-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In short Fn key events are always reported through acpi. The input layer gets all the old style events and only those new style events that, after being decoded, are mapped to an locally represented events. rfkill only update the rfkill device status. Signed-off-by: Matthias Welwarsky <matze@welwarsky.de> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop should depend on RFKILLAlexander Beregalov2009-04-03
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fixes this build error when RFKILL is not set: drivers/platform/x86/sony-laptop.c:1050: undefined reference to `rfkill_unregister' and so on.. Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Acked-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: new style events typo fixesMatthias Welwarsky2009-04-03
| | | | | | | | | | | | | | | | | | Signed-off-by: Matthias Welwarsky <matze@welwarsky.de> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Fix some typos in log messages (Unabe/Unable)Alessio Igor Bogani2009-04-03
| | | | | | | | | | | | | | | | | | Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Kill the BKLAlessio Igor Bogani2009-03-27
| | | | | | | | | | | | | | | | | | Signed-off-by: Alessio Igor Bogani <abogani@texware.it> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: update copyrightMattia Dongili2009-03-27
| | | | | | | | | | | | | | | Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Make sony_pic_set_wwanpower not take mutexesMattia Dongili2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | For consistency with __sony_pic_set_bluetoothpower, this is also needed later to allow setting the wwanpower attribute from the resume path and only lock the mutex once. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Add FW specific hotkey eventsAnton Veretenenko2009-03-27
| | | | | | | | | | | | | | | | | | Signed-off-by: Anton Veretenenko <anton@veretenenko.ru> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: notify the hardware of a state change in wwanpowerSergey Yanovich2009-03-27
| | | | | | | | | | | | | | | | | | Signed-off-by: Sergey Yanovich <ynvich@gmail.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: detect the ICH9 chipset as Type3ISHIKAWA Mutsumi2009-03-27
| | | | | | | | | | | | | | | | | | Signed-off-by: ISHIKAWA Mutsumi <ishikawa@hanzubon.jp> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Eliminate BKL in ioctlsAlan Cox2009-03-27
| | | | | | | | | | | | | | | | | | Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: VGN-A317M hotkey supportHarald Jenny2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This laptop has 5 SPIC managed buttons above the keyboard: sound + and - as well as brightness, zoom and S1. Possibly the entire VGN-A serie behaves the same. Signed-off-by: Harald Jenny <harald@a-little-linux-box.at> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: merge Type4 into Type3Mattia Dongili2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Creating Type4 was a mistake in the first place. Some users report that also Type3 vaios require the same extra hotkey handling which the Type4 for was menat to guard from. Merging down Type4 into Type3 will just remove a useless distinction. Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Add support for extended hotkeysMatthew Garrett2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | Recent Sony SR-series machines have an additional set of buttons accessed via the 0x127 method rather than the 0x100 method. Add support for these. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Add rfkill support on new modelsMatthew Garrett2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Newer Vaios provide a full featured rfkill implementation via their platform methods. Add support for enumerating the available devices and providing rfkill access to them. Support for the physical kill switch is added, with the devices moving into the HARD_BLOCKED state when toggled. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Add support for extra keyboard eventsMatthew Garrett2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The current sony-laptop code assumes that the keyboard event method is always located at slot 2 in the platform code. Remove this assumption and add support for some additional hotkeys. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
| * | sony-laptop: Enable EC on newer hardwareMatthew Garrett2009-03-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The latest Vaios can execute certain codepaths in two ways - either using system management mode or using pure ACPI methods. The latter is only used if the OS has called the ECON method. Ensure that this is done where the method is available. Signed-off-by: Matthew Garrett <mjg@redhat.com> Signed-off-by: Mattia Dongili <malattia@linux.it> Signed-off-by: Len Brown <len.brown@intel.com>
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