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* Pull events into release branchLen Brown2007-08-251-3/+7
|\ | | | | | | | | | | | | | | Conflicts: drivers/acpi/video.c Signed-off-by: Len Brown <len.brown@intel.com>
| * ACPI: Schedule /proc/acpi/event for removalLen Brown2007-08-231-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | 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>
| * ACPI: don't duplicate input events on netlinkZhang Rui2007-08-231-2/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* | ACPI: Fix a warning of discarding qualifiers from pointer target typeAl Viro2007-08-252-2/+2
|/ | | | | | | | 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>
* acpi-cpufreq: Fix some x86/x86-64 acpi-cpufreq driver issuesFenghua Yu2007-08-071-1/+1
| | | | | | | | | | | | | | | | | | | This patch addresses some issues in x86/x86-64 acpi-cpufreq driver: 1. Current memory allocation for acpi_perf_data is actually open-coded alloc_percpu(). The patch defines and handles acpi_perf_data as percpu data. The code will be cleaner and easier to be maintained with this change. 2. Won't load driver in acpi_cpufreq_early_init() failure case. 3. Add __init for acpi_cpufreq_early_init(). Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Cc: Dave Jones <davej@codemonkey.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* ACPI: restore CONFIG_ACPI_SLEEPLen Brown2007-07-291-1/+1
| | | | | | | | | Restore the 2.6.22 CONFIG_ACPI_SLEEP build option, but now shadowing the new CONFIG_PM_SLEEP option. Signed-off-by: Len Brown <len.brown@intel.com> [ Modified to work with the PM config setup changes. ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Introduce CONFIG_SUSPEND for suspend-to-Ram and standbyRafael J. Wysocki2007-07-292-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | Introduce CONFIG_SUSPEND representing the ability to enter system sleep states, such as the ACPI S3 state, and allow the user to choose SUSPEND and HIBERNATION independently of each other. Make HOTPLUG_CPU be selected automatically if SUSPEND or HIBERNATION has been chosen and the kernel is intended for SMP systems. Also, introduce CONFIG_PM_SLEEP which is automatically selected if CONFIG_SUSPEND or CONFIG_HIBERNATION is set and use it to select the code needed for both suspend and hibernation. The top-level power management headers and the ACPI code related to suspend and hibernation are modified to use the new definitions (the changes in drivers/acpi/sleep/main.c are, mostly, moving code to reduce the number of ifdefs). There are many other files in which CONFIG_PM can be replaced with CONFIG_PM_SLEEP or even with CONFIG_SUSPEND, but they can be updated in the future. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Pull auto-load-modules into release branchLen Brown2007-07-254-15/+21
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| * ACPI: autoload modules - ACPICA modificationsThomas Renninger2007-07-234-15/+21
| | | | | | | | | | | | | | Define standardized HIDs - Rename current acpi_device_id to acpica_device_id Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
* | Pull d-states into release branchLen Brown2007-07-251-0/+2
|\ \ | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/acpi/sleep/main.c Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: Add acpi_pm_device_sleep_state helper routineShaohua Li2007-07-221-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on the David Brownell's patch at http://marc.info/?l=linux-acpi&m=117873972806360&w=2 updated by: Rafael J. Wysocki <rjw@sisk.pl> Add a helper routine returning the lowest power (highest number) ACPI device power state that given device can be in while the system is in the sleep state indicated by acpi_target_sleep_state . Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Len Brown <len.brown@intel.com>
* | | ACPI: Kconfig: remove CONFIG_ACPI_SLEEP from sourceLen Brown2007-07-251-4/+0
| |/ |/| | | | | | | | | | | | | | | | | As it was a synonym for (CONFIG_ACPI && CONFIG_X86), the ifdefs for it were more clutter than they were worth. For ia64, just add a few stubs in anticipation of future S3 or S4 support. Signed-off-by: Len Brown <len.brown@intel.com>
* | Pull netlink into release branchLen Brown2007-07-221-1/+2
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| * | ACPI: Export events via generic netlinkZhang Rui2007-07-031-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Upon ACPI events, send an "acpi_event" via Generic Netlink. This is in addition to /proc/acpi/event, which remains intact for now. Thanks to Jamal for his great help. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | Pull throttle into release branchLen Brown2007-07-221-3/+44
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| * | | ACPI: Lindent processor throttling codeLen Brown2007-06-021-3/+4
| | | | | | | | | | | | | | | | Signed-off-by: Len Brown <len.brown@intel.com>
| * | | ACPI: add ACPI 3.0 _TPC _TSS _PTC throttling supportLuming Yu2007-06-021-3/+43
| | | | | | | | | | | | | | | | | | | | | | | | | | | | adds _TPC _TSS _PTC -- Throttling Present Capabilities Signed-off-by: Luming Yu <luming.yu@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | | | Pull misc into release branchLen Brown2007-07-221-20/+20
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: Documentation/feature-removal-schedule.txt
| * | | | ACPI: fix empty macros found by -WextraDave Jones2007-07-221-20/+20
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACPI has a ton of macros which make a bunch of empty if's when configured in non-debug mode. [lenb: The code it complaines about is functionally correct, so this patch is just to make -Wextra happier] #define DBG() if(...) DBG(); next_c_statement which turns into if(...) ; next_c_statement Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* | | | Pull acpi-debug into release branchLen Brown2007-07-222-2/+25
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| * | | | ACPI: create CONFIG_ACPI_DEBUG_FUNC_TRACEThomas Renninger2007-07-222-2/+25
| |/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Split ACPI_DEBUG into function trace enabled and not enabled. Function trace is most of the ACPI_DEBUG costs, but is not much of use for kernel ACPI debugging. Size of kernel image increased on test compile: + 48k (Full ACPI_DEBUG) + 35k (ACPI_DEBUG with function trace compiled out) Performance without function trace is also much better. Also remove ACPI_LV_DEBUG_OBJECT from default debug level as a lot vendors let Store (value, debug) in their code and this might confuse users when it pops up in syslog. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
* | | | Pull acpica into release branchLen Brown2007-07-222-1/+4
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| * | | ACPICA: Changes for Cygwin compatibilityBob Moore2007-07-032-1/+4
| | |/ | |/| | | | | | | | | | | | | | | | Allow generation of ACPICA apps on Cygwin. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* / | x86_64: fake pxm-to-node mapping for fake numaDavid Rientjes2007-07-211-0/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For NUMA emulation, our SLIT should represent the true NUMA topology of the system but our proximity domain to node ID mapping needs to reflect the emulated state. When NUMA emulation has successfully setup fake nodes on the system, a new function, acpi_fake_nodes() is called. This function determines the proximity domain (_PXM) for each true node found on the system. It then finds which emulated nodes have been allocated on this true node as determined by its starting address. The node ID to PXM mapping is changed so that each fake node ID points to the PXM of the true node that it is located on. If the machine failed to register a SLIT, then we assume there is no special requirement for emulated node affinity so we use the default LOCAL_DISTANCE, which is newly exported to this code, as our measurement if the emulated nodes appear in the same PXM. Otherwise, we use REMOTE_DISTANCE. PXM_INVAL and NID_INVAL are also exported to the ACPI header file so that we can compare node_to_pxm() results in generic code (in this case, the SRAT code). Cc: Len Brown <lenb@kernel.org> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* | Pull osi-now into release branchLen Brown2007-06-022-2/+3
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| * | ACPI: add __init to acpi_initialize_subsystem()Len Brown2007-05-302-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add __init to: acpi_initialize_subsystem() (and un-export it) acpi_os_initialize() Add __initdata to: acpi_osl_dmi_table[] Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: extend "acpi_osi=" boot optionLen Brown2007-05-291-0/+1
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | The boot option "acpi_osi=" has always disabled Linux _OSI support, thus disabling all OS Interface strings which are advertised by Linux to the BIOS. Now... acpi_osi="string" adds the interface string, and acpi_osi="!string" invalidates the pre-defined interface string eg. acpi_osi="!Windows 2006" would disable Linux's claim of Vista compatibility. Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPICA: Support for external package objects as method argumentsBob Moore2007-06-021-0/+2
| | | | | | | | | | | | | | | | | | Implemented support to allow Package objects to be passed as method arguments to the acpi_evaluate_object interface. Previously, this would return an AE_NOT_IMPLEMENTED exception. Signed-off-by: Bob Moore <robert.moore@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI: Section mismatch ... acpi_map_pxm_to_nodeLuck, Tony2007-06-021-1/+1
|/ | | | | | | | | | | | | Last of the "Section mismatch" errors from ia64 builds! acpi_map_pxm_to_node() is defined with attribute __cpuinit, but is called by "normal" kernel functions acpi_getnode() and acpi_map_cpu2node(). Commit f363d16fbb9374c0bd7f2757d412c287169094c9 moved the data structures on which this routine operates from __cpuinitdata to regular memory, so this routine can also move out of init space. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* acpi: fix potential call to a freed memory section.Aaron Durbin2007-05-171-5/+2
| | | | | | | | | | | | | | | | | | | | Strip __cpuinit[data] from Node <-> PXM routines and supporting data structures. Also make pxm_to_node_map and node_to_pxm_map local to the numa acpi module. This fixes a bug triggered by the following conditions: - boot on a machine with a SLIT table defined - kernel is configured w/ CONFIG_HOTPLUG_CPU=n - cat /sys/devices/system/node/node*/distance This will cause an oops by calling into a freed memory section. In particular, on x86_64, __node_distance calls node_to_pxm(). Signed-off-by: Aaron Durbin <adurbin@google.com> Cc: Len Brown <lenb@kernel.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* ACPICA: LindentLen Brown2007-05-0913-37/+48
| | | | Signed-off-by: Len Brown <len.brown@intel.com>
* Revert "ACPICA: fix AML mutex re-entrancy"Len Brown2007-05-092-3/+2
| | | | | | | | | | | | This reverts commit c0d127b56937c3e72c2b1819161d2f6718eee877. These changes to AML locking were made to allow Notify handlers to be called on the stack and not deadlock. However, that scheme turns out to be flawed and was reverted by the previous commit, so this commit restores the locking to it previous design. Signed-off-by: Len Brown <len.brown@intel.com>
* Revert "ACPICA: revert "acpi_serialize" changes"Len Brown2007-05-091-1/+5
| | | | | | | | | | | | This reverts commit a8f4af6dc6600980885c594f52eecd60edd62013. Thus restoring ACPICA's new acpi_serialize code. This commit by itself may cause a regression, but it is reverted in this order so that subsequent reverts reverts under this one can be made without conflict. Signed-off-by: Len Brown <len.brown@intel.com>
* PNPACPI sets pnpdev->dev.archdataDavid Brownell2007-05-081-0/+3
| | | | | | | | | | | | | | | | | | Teach PNPACPI how to hook up its devices to their ACPI nodes, so that pnpdev->dev.archdata points to the parallel acpi device node. Previously this only worked for PCI, leaving a notable hole. Export "acpi_bus_type" so this can work. Remove some extraneous whitespace. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Adam Belay <ambx1@neo.rr.com> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Len Brown <lenb@kernel.org> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* remove "struct subsystem" as it is no longer neededGreg Kroah-Hartman2007-05-021-1/+1
| | | | | | | | | | | We need to work on cleaning up the relationship between kobjects, ksets and ktypes. The removal of 'struct subsystem' is the first step of this, especially as it is not really needed at all. Thanks to Kay for fixing the bugs in this patch. Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* ACPI: Disable MSI on request of FADTShaohua Li2007-04-251-0/+1
| | | | | | | | The ACPI spec defines the bit and Microsoft uses it, so Linux must use it too. Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* Pull bugzilla-8171 into release branchLen Brown2007-03-201-5/+1
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| * ACPICA: revert "acpi_serialize" changesLen Brown2007-03-151-5/+1
| | | | | | | | | | | | | | | | | | | | | | | | This reverts 977a6226feae3e2c10a4d8227625ff0f04b49239 and reverts 1ba753acb372c2955a4843302e92e49ce82e2fea and updates acpi_ev_queue_notify_request() to restore the previous implementation of the "acpi_serialize" workaround. http://bugzilla.kernel.org/show_bug.cgi?id=8171 Signed-off-by: Len Brown <len.brown@intel.com>
* | ACPI: IA64: fix %ll build warningsLen Brown2007-03-191-1/+1
|/ | | | | | | | | | | | | | | | | acpi_integer is 64-bits on all platforms, and so was defined as a u64. i386 and x86_64 define u64 as unsigned long long. ia64 defines u64 as long. While these are all 64-bits, the kernel build warns about formating a "long" with %ll: drivers/ata/libata-acpi.c:176: warning: long long unsigned int format, acpi_integer arg (arg 5) So skip using "u64" and define acpi_integer as "unsigned long long" to make gcc happy with %ll. Signed-off-by: Len Brown <len.brown@intel.com>
* Pull bugzilla-7887 into release branchLen Brown2007-02-161-0/+10
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| * ACPI: invoke acpi_sleep_init() earlierAlexey Starikovskiy2007-02-101-0/+10
| | | | | | | | | | | | | | | | | | | | | | late_initcall() is too late for acpi_sleep_init(). Call it directly from acpi_init code. http://bugzilla.kernel.org/show_bug.cgi?id=7887 Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com> Signed-off-by: Vladimir Lebedev <vladimir.p.lebedev@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Pull bugzilla-5534 into release branchLen Brown2007-02-162-2/+3
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| * | ACPICA: fix AML mutex re-entrancyAlexey Starikovskiy2007-02-152-2/+3
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ACPI AML supports "serialized" methods which are protected by an implicit mutex. The mutex is re-entrant for that AML thread to allow recursion. However, Linux implements notify() by creating a new AML thread. So for systems where notify() re-enters a serialized method, deadlock results. The fix is to use the Linux thread_id as the key to allowing re-entrancy, not the AML thread pointer. http://bugzilla.kernel.org/show_bug.cgi?id=5534 Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
* | Pull remove-hotkey into release branchLen Brown2007-02-161-6/+0
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| * | ACPI: hotkey: remove driver, per feature-removal-schedule.txtLen Brown2007-02-161-6/+0
| |/ | | | | | | Signed-off-by: Len Brown <len.brown@intel.com>
* | Pull misc-for-upstream into release branchLen Brown2007-02-162-11/+19
|\ \ | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/usb/misc/appledisplay.c Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: remove acpi_os_readable(), acpi_os_writable()Len Brown2007-02-151-6/+0
| | | | | | | | | | | | | | | | | | ...which are now unused Signed-off-by: Len Brown <len.brown@intel.com>
| * | ACPI: bay: fix build warningAndrew Morton2007-02-091-5/+19
| |/ | | | | | | | | | | | | | | | | | | | | drivers/acpi/bay.c: In function 'bay_add': drivers/acpi/bay.c:310: warning: statement with no effect Fix it by rewriting those macros in C. Much nicer. Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
* / [PATCH] ACPI keep track of timer broadcastingThomas Gleixner2007-02-161-0/+1
|/ | | | | | | | | | | | | | | | | | | | | This is a preperatory patch for highres/dyntick: - replace the big #ifdef ARCH_APICTIMER_STOPS_ON_C3 hackery by functions - remove the double switch in the power verify function (in the worst case we switched ipi to apic and 20usec later apic to ipi) - keep track of the the state which stops local APIC timer Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Cc: Len Brown <len.brown@intel.com> Cc: <linux-acpi@vger.kernel.org> Cc: Andi Kleen <ak@suse.de> Cc: john stultz <johnstul@us.ibm.com> Cc: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Pull sysfs into test branchLen Brown2007-02-032-16/+19
|\ | | | | | | | | | | | | | | | | Conflicts: Documentation/feature-removal-schedule.txt include/acpi/acpi_drivers.h Signed-off-by: Len Brown <len.brown@intel.com>
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