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* pm-runtime:
PM / Runtime: Update runtime_idle() documentation for return value meaning
* pm-sleep:
PM / sleep: Correct whitespace errors in <linux/pm.h>
PM: Add missing "freeze" state
PM / Hibernate: Spelling s/anonymouns/anonymous/
PM / Runtime: Add missing "it" in comment
PM / suspend: Remove unnecessary !!
PCI / PM: Resume runtime-suspended devices later during system suspend
ACPI / PM: Resume runtime-suspended devices later during system suspend
PM / sleep: Set pm_generic functions to NULL for !CONFIG_PM_SLEEP
PM: fix typo in comment
PM / hibernate: use name_to_dev_t to parse resume
PM / wakeup: Include appropriate header file in kernel/power/wakelock.c
PM / sleep: Move prototype declaration to header file kernel/power/power.h
PM / sleep: Asynchronous threads for suspend_late
PM / sleep: Asynchronous threads for suspend_noirq
PM / sleep: Asynchronous threads for resume_early
PM / sleep: Asynchronous threads for resume_noirq
PM / sleep: Two flags for async suspend_noirq and suspend_late
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Runtime-suspended devices are resumed during system suspend by
acpi_subsys_prepare() for two reasons: First, because they may need
to be reprogrammed in order to change their wakeup settings and,
second, because they may need to be operatonal for their children
to be successfully suspended. That is a problem, though, if there
are many runtime-suspended devices that need to be resumed this
way during system suspend, because the .prepare() PM callbacks of
devices are executed sequentially and the times taken by them
accumulate, which may increase the total system suspend time quite
a bit.
For this reason, move the resume of runtime-suspended devices up
to the next phase of device suspend (during system suspend), except
for the ones that have power.ignore_children set. The exception is
made, because the devices with power.ignore_children set may still
be necessary for their children to be successfully suspended (during
system suspend) and they won't be resumed automatically as a result
of the runtime resume of their children.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* pm-qos:
PM / QoS: Add type to dev_pm_qos_add_ancestor_request() arguments
ACPI / LPSS: Support for device latency tolerance PM QoS
ACPI / scan: Add bind/unbind callbacks to struct acpi_scan_handler
PM / QoS: Introcuce latency tolerance device PM QoS type
PM / QoS: Add no_constraints_value field to struct pm_qos_constraints
PM / QoS: Rename device resume latency QoS items
* pm-domains:
PM / domains: Turn latency warning into debug message
* pm-drivers:
PM: Add pm_runtime_suspend|resume_force functions
PM / runtime: Fetch runtime PM callbacks using a macro
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Add a new routine, acpi_lpss_set_ltr(), for setting latency tolerance
values for LPSS devices having LTR (Latency Tolerance Reporting)
registers. Add .bind()/.unbind() callbacks to lpss_handler to set
the LPSS devices' power.set_latency_tolerance callback pointers to
acpi_lpss_set_ltr() during device addition and to clear them on
device removal, respectively.
That will cause the device latency tolerance PM QoS to work for
the devices in question as documented.
This changeset includes a fix from Mika Westerberg.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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In some cases it may be necessary to perform certain setup/cleanup
operations on a device object representing a physical device after
it has been associated with an ACPI companion by acpi_bind_one() or
before disassociating it from that companion by acpi_unbind_one(),
respectively. If there is a struct acpi_bus_type object for the
given device's bus type, the .setup()/.cleanup() callbacks from there
are executed for these purposes. However, an analogous mechanism will
be necessary for devices whose bus types don't have corresponding
struct acpi_bus_type objects and that have specific ACPI scan handlers.
For those devices, add new .bind() and .unbind() callbacks to struct
acpi_scan_handler that will be executed by acpi_platform_notify()
right after the given device has been associated with an ACPI
comapnion and by acpi_platform_notify_remove() right before calling
acpi_unbind_one() for that device, respectively.
To make that work for scan handlers registering new devices in their
.attach() callbacks, modify acpi_scan_attach_handler() to set the
ACPI device object's handler field before calling .attach() from the
scan handler at hand.
This changeset includes a fix from Mika Westerberg.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpica: (29 commits)
ACPICA: Revert "Headers: Deploy #pragma pack (push) and (pop)."
ACPICA: Update version to 20140214.
ACPICA: Prevent infinite loops when traversing corrupted lists.
ACPICA: Debugger: Add missing objects; Traverse linked lists
ACPICA: Add text: ACPICA policy for new _OSI strings. No functional change.
ACPICA: Update for _PRP predefined name.
ACPICA: Cleanup/improve global variable declarations.
ACPICA: Comment update - no functional change.
ACPICA: Do not abort _PRT repair on a single subpackage failure.
ACPICA: Harden _PRT repair code; check for minimum package length.
ACPICA: Restore code that repairs NULL package elements in return values.
ACPICA: Properly handle NULL entries in _PRT return packages.
ACPICA: Update conditional compilation flags for resource dump functions.
ACPICA: Predefined names: Add support for the _PRP method.
ACPICA: Headers: Deploy #pragma pack (push) and (pop).
ACPICA: Add boot option to disable auto return object repair
ACPICA: acpidump: Remove integer types translation protection.
ACPICA: acpidump: Add sparse declarators support.
ACPICA: Add "Windows 2013" string to _OSI support.
ACPICA: Update version to 20140114.
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This reverts commit aae576e5faefa8ba70647efa320d4747b6375f1e.
Push and Pop are not portable "enough", and caused problems for
some ACPICA customers.
Signed-off-by: Robert Moore <Robert.Moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Conflicts:
include/acpi/platform/aclinux.h
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This change hardens the ACPICA code to detect circular linked object
lists and prevent an infinite loop if such corruption exists.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change adds support for two missing objects, the "extra" and
"data" secondary objects, as well as adding support to traverse and
display linked lists related to ACPICA objects.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Adds further information about why new _OSI strings should be
adopted by all hosts as soon as possible.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Allow objects of type "reference" in the second subpackage element.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change cleans up the entire global variable mechaninism including
the related macros. Also reduces warnings from the "sparse" utility
in the Linux environment. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Change all instances of "sub-package" to "subpackage" for consistency.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Always examine all subpackages for reversed entries.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change prevents a fault during the repair by checking up
front if the _PRT subpackage contains the minimum number of
elements (4).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The original code was lost accidently, it was not generated along with the
following commit of mechanism improvements and thus not get merged:
Commit: d5a36100f62fa6db5541344e08b361b34e9114c5
Subject: ACPICA: Add mechanism for early object repairs on a per-name basis
Adds the framework to allow object repairs very early in the
return object analysis. Enables repairs like string->unicode,
etc.
This patch restores the implementation of the NULL element repair code for
ACPI_RTYPE_NONE. In the original design, ACPI_RTYPE_NONE is defined to
collect simple NULL object repairs.
Lv Zheng.
Buglink: https://bugzilla.kernel.org/show_bug.cgi?id=67901
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Cc: 3.10+ <stable@vger.kernel.org> # 3.10+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change enables proper handling of NULL package entries in a _PRT
return value, during construction of the PCI routing table.
Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Corrects ACPI_DISASSEMBLER to the compile conditions. The wrong
condition was introduced by this commit:
Commit: 3334861b1e9947631230b573eba27bcd778b93c8
Subject: ACPICA: Update the conditions to enable the utility resource dump strings.
This was detected in the ACPICA upstream. Linux is not affected by the
wrong commit as the disassembler is not shipped in the Linux.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This is not an official predefined name yet, but we add it to assist
with development.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Use push and pop to both guarantee that the correct alignment is used,
and to restore the alignment to whatever it was before the header
was included.
It is reported that the #pragma pack(push/pop) directives are not supported
by the specific GCCs, but this patch still doesn't affect kernel build
as there are already #pragma pack([1]) directives used in the old ACPICA
headers, which means there shouldn't be GCCs that are currently used to
compile the ACPI kernels do not support #pragma pack() directives.
References: https://bugs.acpica.org/show_bug.cgi?id=1058
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Sometimes, there might be bugs caused by unexpected AML which is compliant
to the Windows but not compliant to the Linux implementation.
There is a predefined validation mechanism implemented in ACPICA to repair
the unexpected AML evaluation results that are caused by the unexpected
AMLs. For example, BIOS may return misorder _CST result and the repair
mechanism can make an ascending order on the returned _CST package object
based on the C-state type.
This mechanism is quite useful to implement an AML interpreter with better
compliance with the real world where Windows is the de-facto standard and
BIOS codes are only tested on one platform thus not compliant to the
ACPI specification.
But if a compliance issue hasn't been figured out yet, it will be
difficult for developers to identify if the unexpected evaluation result
is caused by this mechanism or by the AML interpreter.
For example, _PR0 is expected to be a control method, but BIOS may use
Package: "Name(_PR0, Package(1) {P1PR})".
This boot option can disable the predefined validation mechanism so that
developers can make sure the root cause comes from the parser/executer.
This patch adds a new kernel parameter to disable this feature.
A build test has been made on a Dell Inspiron mini 1100 (i386 z530)
machine when this patch is applied and the corresponding boot test is
performed w/ or w/o the new kernel parameter specified.
References: https://bugzilla.kernel.org/show_bug.cgi?id=67901
Tested-by: Fabian Wehning <fabian.wehning@googlemail.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This urgent patch is cherry picked from ACPICA upstream.
It is reported that some platforms fail to boot without this new _OSI
string.
This change adds this string for Windows 8.1 and Server 2012 R2.
Reported-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Bob Moore <Robert.Moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch enables resource dump functions for debugging purpose where
ACPI_DEBUG_OUTPUT is enabled. Such functions are useful for developers
to track kernel issues when composing debugging patches. They will be
optimized out during link stage for normal builds.
This patch updates the compilation condition used for the resource dump
related string tables to match the compilation environment used for
rsdump.c and rsdumpinfo.c.
This patch can help to improve the ACPICA release automation. Lv Zheng.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This command "test objects" will exercise the entire namespace by
writing new values to each data object, and ensuring that the write
was successful. The original value is then restored and verified.
This patch doesn't affect kernel behavior as the debugger is
currently not shipped in the Linux source tree.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change fixes the support to allow references (namespace nodes)
to be passed as arguments to control methods via the evaluate object
interface. This is probably most useful for testing purposes, however.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Update ACPICA copyrights to 2014. Includes all source headers and
signons for the various tools.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Add the following checks:
1) The incoming device handle refers to type ACPI_TYPE_DEVICE.
2) There is not already a gpe block attached to the device.
Likewise, with acpi_remove_gpe_block, ensure that the incoming object
is a device.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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The utility has the capability to load some various tables to test
features of ACPICA. However, there are enough of them that the output
of the utility became confusing. With this change, only the required
local tables are displayed (RSDP, XSDT, etc.) along with the actual
tables loaded via the command line specification. This makes the
default output simler and easier to understand. The -el command line
option restores the original behavior for testing purposes.
This patch doesn't affect kernel behavior as Linux doesn't use ACPICA
allocation tracking implementation.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Similar to the earlier tbprint.c change.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This change improves the support for physical addresses in printf
debug statements and other output on both 32-bit and 64-bit hosts.
It consistently outputs the appropriate number of bytes for each
host. The %p specifier is unsatisfactory since it does not emit
uniform output on all hosts/clib implementations (on some, leading
zeros are not supported, leading to difficult-to-read output).
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-battery:
ACPI / AC: recheck adapter status upon battery status changes
ACPI / battery: call ACPI notifier chain in acpi_battery_notify
ACPI / battery: move some ACPI_BATTERY_* definitions to header
* acpi-video:
video / output: Drop display output class support
fujitsu-laptop: Drop unneeded include
acer-wmi: Stop selecting VIDEO_OUTPUT_CONTROL
ACPI / gpu / drm: Stop selecting VIDEO_OUTPUT_CONTROL
ACPI / video: fix ACPI_VIDEO dependencies
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ACPI_VIDEO stopped depending on VIDEO_OUTPUT_CONTROL over 3 years ago
(see commit 677bd810, "ACPI video: remove output switching control".)
So it's about time to remove the Kconfig dependency between these two
options.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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On HP Pavilion dv6-6179er there are no notifications when AC adapter
is plugged/unplugged.
However, when AC status is read (acpi_ac_get_state), and if AC status
has changed, AML code triggers the notification.
This patch solves the problem by re-reading AC adapter status upon
ACPI_BATTERY_NOTIFY_STATUS notification.
Signed-off-by: Alexander Mezin <mezin.alexander@gmail.com>
Acked-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Allow other drivers to subscribe to battery status notifications.
Just like AC driver does.
Signed-off-by: Alexander Mezin <mezin.alexander@gmail.com>
Acked-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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ACPI_BATTERY_CLASS is used in multiple places.
Also, I'll use ACPI_BATTERY_NOTIFY_STATUS inside AC driver in
one of following patches.
So, create a header file and move ACPI_BATTERY_CLASS and
ACPI_BATTERY_NOTIFY_* definitions into it.
Also, remove copy of ACPI_BATTERY_CLASS from sbs.c
Signed-off-by: Alexander Mezin <mezin.alexander@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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'acpi-button'
* acpi-cleanup:
ACPI: Remove duplicate definitions of PREFIX
ACPI / tables: Replace printk with pr_*
* acpi-thermal:
ACPI / thermal: make acpi_thermal_check asynchronous on resume
* acpi-pci:
ACPI / PCI: Do not call ISA-specific code if ISA is not supported
* acpi-lpss:
ACPI / LPSS: Add Intel BayTrail ACPI mode PWM
* acpi-button:
ACPI / button: Add ACPI Button event via netlink routine
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Commit 1696d9d (ACPI: Remove the old /proc/acpi/event interface)
removed ACPI Button event which originally was sent to userspace via
/proc/acpi/event. This caused ACPI shutdown regression on gentoo
in VirtualBox. Now ACPI events are sent to userspace via netlink,
so add ACPI Button event back via netlink routine.
References: https://bugzilla.kernel.org/show_bug.cgi?id=71721
Reported-and-tested-by: Richard Musil <richard.musil@gmail.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: 3.11+ <stable@vger.kernel.org> # 3.11+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Intel BayTrail LPSS consists of two PWM controllers which can
be enumerated from ACPI namespace. This change will cause
platform device objects to be created for Intel BayTrail PWM
controllers which will allow the pwm-lpss driver to bind to them
and handle those devices.
Signed-off-by: Chew, Chiau Ee <chiau.ee.chew@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This commit moves ISA-specific code to separate function and makes that
function depend on CONFIG_{E}ISA so that we do not have to maintain
acpi_isa_irq_to_gsi() function for architectures which do not support ISA.
Signed-off-by: Tomasz Nowicki <tomasz.nowicki@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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On resume we do not need to wait for acpi_thermal_check to finish.
Instead, we can run it asynchronously and not block the whole system
resume. Also, we make sure when we are suspending again, previously
queued work for acpi_thermal_check is done.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We already have a macro for PREFIX of "ACPI: " in
drivers/acpi/internal.h, so remove the duplicate ones
in ACPI drivers when internal.h is included.
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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This patch just does some cleanup to replace printk with pr_*,
and introduces pr_fmt() to remove all PREFIXs in tables.c,
no functional change.
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-fan:
ACPI / fan: do nothing in suspend and poweroff callback
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We put fans to full speed in acpi_fan_suspend(), but that is only
needed in the hibernation case when we are generating hibernation
image, so this patch removes that when we are about to suspend or
poweroff.
References: http://www.spinics.net/lists/linux-acpi/msg48636.html
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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* acpi-ost:
ACPI: Drop acpi_evaluate_hotplug_ost() and ACPI_HOTPLUG_OST
ACPI: use device name LNXSYBUS.xx for ACPI \_SB and \_TZ objects
ACPI / processor: use acpi_evaluate_ost() to replace open-coded version
ACPI / PAD / xen: use acpi_evaluate_ost() to replace open-coded version
ACPI / PAD: use acpi_evaluate_ost() to replace open-coded version
ACPI: rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost()
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Replace acpi_evaluate_hotplug_ost() with acpi_evaluate_ost()
everywhere and drop the ACPI_HOTPLUG_OST symbol so that hotplug
_OST is supported unconditionally.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Toshi Kani <toshi.kani@hp.com>
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Use device name "LNXSYBUS:xx" instead of "device.xx" for ACPI objects
\_SB and \_TZ.
BTW, the original check of "handle == ACPI_ROOT_OBJECT" in statment
"else if (list_empty(&pnp->ids) && handle == ACPI_ROOT_OBJECT)"
is always false because of the code at the begin of that block.
if (handle == ACPI_ROOT_OBJECT) {
acpi_add_id(pnp, ACPI_SYSTEM_HID);
break;
}
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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