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* ACPI: Enable bit 11 in _PDC to advertise hw coordPallipadi, Venkatesh2009-02-07
| | | | | | | | | | | | | | Bit 11 in intel PDC definitions is meant for OS capability to handle hardware coordination of P-states. In Linux we have always supported hwardware coordination of P-states. Just let the BIOSes know that we support it, by setting this bit. Some BIOSes use this bit to choose between hardware or software coordination and without this change below, BIOSes switch to software coordination, which is not very optimal in terms of power consumption and extra wakeups from idle. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: fix ACPI_FADT_S4_RTC_WAKE commentDavid Brownell2009-01-16
| | | | | | | | | Make the comment for ACPI_FADT_S4_RTC_WAKE match the ACPI spec; that bit has nothing to do with status bits. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'simplify_PRT' into releaseLen Brown2009-01-09
|\ | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/pci_irq.c Note that this merge disables e1d3a90846b40ad3160bf4b648d36c6badad39ac pci, acpi: reroute PCI interrupt to legacy boot interrupt equivalent Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: simplify buffer management for acpi_pci_bind() etc.Len Brown2008-12-30
| | | | | | | | | | | | | | | | | | | | use ACPI_ALLOCATE_BUFFER to remove the allocations within acpi_pci_bind(), acpi_pci_unbind() and acpi_pci_bind_root(). While there, delete some unnecessary param inits from those routines. Delete concept of ACPI_PATHNAME_MAX, since this was the last use. Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'linus' into releaseLen Brown2009-01-09
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| * | trivial: fix an -> a typos in documentation and commentsFrederik Schwarzer2009-01-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is always "an" if there is a vowel _spoken_ (not written). So it is: "an hour" (spoken vowel) but "a uniform" (spoken 'j') Signed-off-by: Frederik Schwarzer <schwarzerf@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
| * | cpumask: convert shared_cpu_map in acpi_processor* structs to cpumask_var_tRusty Russell2009-01-03
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Impact: Reduce memory usage, use new API. This is part of an effort to reduce structure sizes for machines configured with large NR_CPUS. cpumask_t gets replaced by cpumask_var_t, which is either struct cpumask[1] (small NR_CPUS) or struct cpumask * (large NR_CPUS). (Changes to powernow-k* by <travis>.) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | Merge branch 'misc' into releaseLen Brown2009-01-09
|\ \ | | | | | | | | | | | | | | | | | | Conflicts: include/acpi/acpixf.h Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI : Use RSDT instead of XSDT by adding boot option of "acpi=rsdt"Zhao Yakui2009-01-09
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On some boxes there exist both RSDT and XSDT table. But unfortunately sometimes there exists the following error when XSDT table is used: a. 32/64X address mismatch b. The 32/64X FACS address mismatch In such case the boot option of "acpi=rsdt" is provided so that RSDT is tried instead of XSDT table when the system can't work well. http://bugzilla.kernel.org/show_bug.cgi?id=8246 Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> cc:Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: hide private headersLen Brown2009-01-09
| | | | | | | | Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: delete acdisasm.hLen Brown2009-01-08
| | | | | | | | | | | | | | it is referenced only #ifdef ACPI_DISASSEMBLER, which is never set by the kernel. Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Update version to 20081204.robert.moore@intel.com2008-12-31
| | | | | | | | | | | | Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: FADT: set acpi_gbl_use_default_register_widths to TRUE by defaultrobert.moore@intel.com2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | This returns the FADT support to the original behavior, which is to use default register widths. However, now check each register definition and report a warning if it differs from the default. This is a first step to moving away from the default widths, rather than outright believing the widths in all FADTs for all machines, considered rather dangerous until more data is obtained. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: FADT parsing changes and fixesBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1) Update the register lengths for the PM1 event blocks. The length must be divided by two in order to use these to access the status registers. 2) Add run-time option to use default register lengths to override a faulty FADT. 3) Add warning message if any of the X64 address structures contain a length that does not match the legacy length earlier in the FADT. 4) Move all FADT warning messages into the ValidateFadt function. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add ACPI_MUTEX_TYPE configuration optionBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | Used to specify whether the OSL mutex interfaces should be used, or binary semaphores instead. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fixes for various ACPI data tablesBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | Eliminate extraneous "zero length subtable" messages. Fix subtable output for ERST, MCFG, EINJ tables. Implement all subtables for HEST. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Restructure includes into public/privateBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | acpi.h now includes only the "public" acpica headers. All other acpica headers are "private" and should not be included by acpica users. One new file, accommon.h is used to include the commonly used private headers for acpica code generation. Future plans are to move all private headers to a new subdirectory. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: New: acpi_reset interface - write to reset registerBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | | | Uses the FADT-defined reset register and reset value. Checks the FADT flags for the reset register supported bit. Supports reset register in memory or I/O space, but not in PCI config space since the host has the information to do it. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: New: acpi_read and acpi_write public interfacesBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Changed the acpi_hw_low_level_read and acpi_hw_low_level_write functions to the public acpi_read and acpi_write to allow direct access to ACPI registers. Removed the "width" parameter since the width can be obtained from the input GAS structure. Updated the FADT initialization to setup the GAS structures with the proper widths. Some widths are still hardcoded because many FADTs have incorrect register lengths. Signed-off-by: Bob Moore <robert.moore@intel.com Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: New: Public GPE group enable/disable interfacesBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | Added acpi_disable_all_gpes and acpi_enable_all_runtime_gpes for public use. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: New: acpi_get_gpe_device interfaceBob Moore2008-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | This function maps an input GPE index to a GPE block device. Also Added acpi_current_gpe_count to track the current number of GPEs that are being managed by the ACPICA core (both FADT-based GPEs and the GPEs contained in GPE block devices.) Modify drivers/acpi/system.c to use these 2 new interfaces Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI: osl.c: replace return_ACPI_STATUS with returnLin Ming2008-12-31
| | | | | | | | | | | | | | | | return_ACPI_STATUS is an internal acpica function, replace it with return. acpi_gbl_permanent_mmap moved from acglobal.h to acpixf.h for external use Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Update version to 20081031Bob Moore2008-12-29
| | | | | | | | | | | | Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Consolidate method arg count validation codeBob Moore2008-12-29
| | | | | | | | | | | | | | | | | | | | Merge the code that validates control method argument counts into the predefined validation module. Eliminates possible multiple warnings for incorrect counts. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add Buffer->String conversion for predefined methodsBob Moore2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | For predefined methods (such as _BIF), add automatic conversion for objects that are required to be a String, but a Buffer was found instead. This can happen when reading string battery data from an operation region, because it used to be difficult to convert the data from buffer to string from within the ASL. Linux BZ 11822. http://bugzilla.kernel.org/show_bug.cgi?id=11822 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add global pointer for FACS table to simplify FACS accessBob Moore2008-12-29
| | | | | | | | | | | | | | | | | | | | Use a global pointer instead of using AcpiGetTableByIndex for each FACS access. This simplifies the code for the Global Lock and the Firmware Waking Vector(s). Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Add a mechanism to escape infinite AML While() loopsBob Moore2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | Add a loop counter to force exit from AML While loops if the count becomes too large. This can occur in poorly written AML when the hardware does not respond within a while loop and the loop does not implement a timeout. The maximum loop count is configurable. A new exception code is returned when a loop is broken, AE_AML_INFINITE_LOOP. Bob Moore, Alexey Starikovskiy. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Update FACS waking vector interfacesBob Moore2008-12-29
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Split AcpiSetFirmwareWakingVector into two: one for the 32-bit vector, another for the 64-bit vector. This is required because the host OS must setup the wake much differently for each vector (real vs. protected mode, etc.) and the interface should not be deciding which vector to use. Also eliminate the GetFirmwareWakingVector interface, as it served no purpose (only the firmware reads the vector, OS only writes the vector.) ACPICA BZ 731. http://www.acpica.org/bugzilla/show_bug.cgi?id=731 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Fix several warnings under gcc 4 compilerBob Moore2008-12-29
|/ | | | | | | | | | | New compiler is pickier than older versions. Joerg Sonnenberger. From ACPICA BZ 732. http://www.acpica.org/bugzilla/show_bug.cgi?id=732 Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: don't cond_resched() when irqs_disabled()Wu Fengguang2008-12-19
| | | | | | | | | | | | The ACPI interpreter usually runs with irqs enabled. However, during suspend/resume it runs with irqs disabled to evaluate _GTS/_BFS, as well as by irqrouter_resume() which evaluates _CRS, _PRS, _SRS. http://bugzilla.kernel.org/show_bug.cgi?id=12252 Signed-off-by: Wu Fengguang <wfg@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: fix 2.6.28 acpi.debug_level regressionBjorn Helgaas2008-12-19
| | | | | | | | | | | | | | | acpi_early_init() was changed to over-write the cmdline param, making it really inconvenient to set debug flags at boot-time. Also, This sets the default level to "info", which is what all the ACPI drivers use. So to enable messages from drivers, you only have to supply the "layer" (a.k.a. "component"). For non-"info" ACPI core and ACPI interpreter messages, you have to supply both level and layer masks, as before. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPICA: disable _BIF warningLin Ming2008-11-27
| | | | | | | | | | | | | A generic work-around from ACPICA is in the queue, but since Linux has a work-around in its battery driver, we can disable this warning now. Allow _BIF method to return an Package with Buffer elements http://bugzilla.kernel.org/show_bug.cgi?id=11822 Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPICA: Allow _WAK method to return an IntegerBob Moore2008-11-27
| | | | | | | | | | | | | This can happen if the _WAK method returns nothing (as per ACPI 1.0) but does return an integer if the implicit return mechanism is enabled. This is the only method that has this problem, since it is also defined to return a package of two integers (ACPI 1.0b+). In all other cases, if a method returns an object when one was not expected, no warning is issued. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Lin Ming <ming.m.lin@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'ec' into releaseLen Brown2008-11-11
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| * ACPICA: Use spinlock for acpi_{en|dis}able_gpeAlexey Starikovskiy2008-11-11
| | | | | | | | | | | | | | | | | | | | Disabling gpe might interfere with gpe detection/handling, thus producing "interrupt not handled" errors. Ironically, disabling of GPE from interrupt context is already under spinlock, so only userspace needs to start using it. Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'processor-256' into releaseLen Brown2008-11-11
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| * | ACPI: Disambiguate processor declaration typeMyron Stowe2008-11-06
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | Declaring processors in ACPI namespace can be done using either a "Processor" definition or a "Device" definition (see section 8.4 - Declaring Processors; "Advanced Configuration and Power Interface Specification", Revision 3.0b). Currently the two processor declaration types are conflated. This patch disambiguates the processor declaration's definition type enabling subsequent code to behave uniquely based explicitly on the declaration's type. Signed-off-by: Myron Stowe <myron.stowe@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'video' into releaseLen Brown2008-11-11
|\ \ | | | | | | | | | | | | | | | | | | Conflicts: Documentation/kernel-parameters.txt Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: video: Ignore devices that aren't present in hardwareThomas Renninger2008-11-07
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a reimplemention of commit 0119509c4fbc9adcef1472817fda295334612976 from Matthew Garrett <mjg59@srcf.ucam.org> This patch got removed because of a regression: ThinkPads with a Intel graphics card and an Integrated Graphics Device BIOS implementation stopped working. In fact, they only worked because the ACPI device of the discrete, the wrong one, got used (via int10). So ACPI functions were poking on the wrong hardware used which is a sever bug. The next patch provides support for above ThinkPads to be able to switch brightness via the legacy thinkpad_acpi driver and automatically detect when to use it. Original commit message from Matthew Garrett: Vendors often ship machines with a choice of integrated or discrete graphics, and use the same DSDT for both. As a result, the ACPI video module will locate devices that may not exist on this specific platform. Attempt to determine whether the device exists or not, and abort the device creation if it doesn't. http://bugzilla.kernel.org/show_bug.cgi?id=9614 Signed-off-by: Thomas Renninger <trenn@suse.de> Acked-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Andi Kleen <ak@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Merge branch 'misc' into releaseLen Brown2008-11-11
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| * | ACPI: add driver component definitions to sysfs debug_layersBjorn Helgaas2008-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | /sys/module/acpi/parameters/debug_layers used to contain only the debug layers defined by the ACPI CA. This patch adds the additional layer definitions for ACPI drivers. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: fix conflicting component definitionsBjorn Helgaas2008-11-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Some of the component definitions that were previous scattered around the drivers conflict with each other. That doesn't hurt anything except that setting one bit in the debug_layer mask would turn on debugging in two different modules. This patch fixes the conflicts. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: consolidate ACPI_*_COMPONENT definitions in acpi_drivers.hBjorn Helgaas2008-11-07
| | | | | | | | | | | | | | | | | | | | | | | | Move all the component definitions for drivers to a single shared place, include/acpi/acpi_drivers.h. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: remove CONFIG_ACPI_ECBjorn Helgaas2008-11-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Remove CONFIG_ACPI_EC. It was always set the same as CONFIG_ACPI, and it had no menu label, so there was no way to set it to anything other than "y". Per section 6.5.4 of the ACPI 3.0b specification, OSPM must make Embedded Controller operation regions, accessed via the Embedded Controllers described in ECDT, available before executing any control method. The ECDT table is optional, but if it is present, the above text means that the EC it describes is a required part of the ACPI subsystem, so CONFIG_ACPI_EC=n wouldn't make sense. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: remove CONFIG_ACPI_POWERBjorn Helgaas2008-11-06
| |/ | | | | | | | | | | | | | | | | | | | | | | | | Remove CONFIG_ACPI_POWER. It was always set the same as CONFIG_ACPI, and it had no menu label, so there was no way to set it to anything other than "y". The interfaces under CONFIG_ACPI_POWER (acpi_device_sleep_wake(), acpi_power_transition(), etc) are called unconditionally from the ACPI core, so we already depend on it always being present. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
* / ACPI: bugfix reporting of event handler statusZhang Rui2008-10-28
|/ | | | | | | | | | | | | | | | | | | | Introduce a new flag showing whether the event has an event handler/method. For all the GPEs and Fixed Events, 1. ACPI_EVENT_FLAG_HANDLE is cleared, it's an "invalid" ACPI event. 2. Both ACPI_EVENT_FLAG_HANDLE and ACPI_EVENT_FLAG_DISABLE are set, it's "disabled". 3. Both ACPI_EVENT_FLAG_HANDLE and ACPI_EVENT_FLAG_ENABLE are set, it's "enabled". 4. Both ACPI_EVENT_FLAG_HANDLE and ACPI_EVENT_FLAG_WAKE_ENABLE are set, it's "wake_enabled". Among other things, this prevents incorrect reporting of ACPI events as being "invalid" when it's really just (temporarily) "disabled". Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Len Brown <len.brown@intel.com>
* Merge branch 'linus' into testLen Brown2008-10-23
|\ | | | | | | | | | | | | | | | | | | | | | | Conflicts: MAINTAINERS arch/x86/kernel/acpi/boot.c arch/x86/kernel/acpi/sleep.c drivers/acpi/Kconfig drivers/pnp/Makefile drivers/pnp/quirks.c Signed-off-by: Len Brown <len.brown@intel.com>
| * include: replace __FUNCTION__ with __func__Harvey Harrison2008-10-16
| | | | | | | | | | | | | | | | __FUNCTION__ is gcc-specific, use __func__ Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Merge branch 'ull' into testLen Brown2008-10-22
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/bay.c drivers/acpi/dock.c drivers/ata/libata-acpi.c Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: Change acpi_evaluate_integer to support 64-bit on 32-bit kernelsMatthew Wilcox2008-10-11
| |/ | | | | | | | | | | | | | | | | | | | | | | | | As of version 2.0, ACPI can return 64-bit integers. The current acpi_evaluate_integer only supports 64-bit integers on 64-bit platforms. Change the argument to take a pointer to an acpi_integer so we support 64-bit integers on all platforms. lenb: replaced use of "acpi_integer" with "unsigned long long" lenb: fixed bug in acpi_thermal_trips_update() Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
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