| Commit message (Collapse) | Author | Age | Files | Lines |
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Cdev name is normally used for ether class devices or character
devices so rename member to avoid confusion for casual reader
of the code.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Len Brown <len.brown@intel.com>
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thermal_cooling_device_register() returns error encoded in a pointer
when it fails in which case we need to explictly set device->cdev
to NULL so we don't try to unregister it when unloading.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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_BQC doesn't return a value listed in _BCL method.
http://bugzilla.kernel.org/show_bug.cgi?id=13511
ingore the buggy _BQC method in this case
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Scott Howard <showard314@gmail.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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device->cap and video->cap are zeroed initially so we don't need to clear
them again.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixed hardware devices have no handles, so just pass an explicit
NULL rather than something that looks like it might be meaningful.
acpi_device_notify() doesn't need the handle anyway; the only
reason it takes it as an argument is because the acpi_notify_handler
typedef requires it.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Better to oops and learn about a bug than to silently cover it up.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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We had two functions, acpi_os_execute_deferred() and
acpi_os_execute_hp_deferred() that differed only in that the
latter did acpi_os_wait_events_complete(NULL) before executing
the deferred function.
This patch consolidates those two functions and uses a flag in
the struct acpi_os_dpc to determine whether to do the wait.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Conflicts:
drivers/pci/dmar.c
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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users of acpi.h that need dmi.h should include it directly.
Signed-off-by: Len Brown <len.brown@intel.com>
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drivers/acpi/processor_idle.c:1162: warning: unused variable ‘entry’
Signed-off-by: Len Brown <len.brown@intel.com>
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Now whether the ACPI processor proc I/F is registered depends on the
CONFIG_PROC. It had better depend on the CONFIG_ACPI_PROCFS.
When the CONFIG_ACPI_PROCFS is unset in kernel configuration, the
ACPI processor proc I/F won't be registered.
Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This driver exposes ACPI 4.0 compliant power meters as hardware monitoring
devices. This second revision of the driver also exports the ACPI string
info as sysfs attributes, a list of the devices that the meter measures,
and will send ACPI notifications over the ACPI netlink socket. This
latest revision only enables the power capping controls if it can be
confirmed that the power cap can be enforced by the hardware and explains
how the notification interfaces work.
[akpm@linux-foundation.org: remove default-y]
[akpm@linux-foundation.org: build fix]
Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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http://bugzilla.kernel.org/show_bug.cgi?id=13620
If the dynamic region is created and added to resource list over and over again,
it has the potential to be a memory leak by growing the list every time.
This patch fixes the memory leak, as below
1) add a new field "count" to struct acpi_res_list.
When inserting, if the region(addr, len) is already in the resource
list, we just increase "count", otherwise, the region is inserted
with count=1.
When deleting, the "count" is decreased, if it's decreased to 0,
the region is deleted from the resource list.
With "count", the region with same address and length can only be
inserted to the resource list once, so prevent potential memory leak.
2) add a new function acpi_os_invalidate_address, which is called when
region is deleted.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Conflicts:
drivers/acpi/ec.c
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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In general, EC transaction should complete in less than 1ms, thus it is possible to merge wait for
1ms in poll mode and 1ms of interrupt transaction timeout.
Still, driver will wait 500ms for EC to complete transaction.
This significantly simplifies driver and makes it immune to problematic EC interrupt
implementations.
It also may lessen kernel start-up time by 500ms.
References: http://bugzilla.kernel.org/show_bug.cgi?id=12949
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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No drivers use the .stop method, so remove it.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch folds the .stop() method into .remove().
acpi_ec_stop() is only called via acpi_device_probe() and
acpi_device_remove(), and in both cases it is called immediately before
acpi_ec_remove(), so there's no need to have it be a separate method.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
CC: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch folds the .start() method into .add().
acpi_ec_start() is always called immediately after acpi_ec_add(),
so there's no need to have it be a separate method.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
CC: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch rearranges ec_install_handlers() and acpi_ec_start() so
acpi_ec_start() ends up just after acpi_ec_add(). A subsequent patch
will merge them.
Code movement only; no functional change.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch folds the .start() method into .add().
The .start() method is called in two paths: boot-time device enumeration
and run-time node addition, currently via container_device_add(). In both
cases, .start() is called immediately after .add(), so there's no reason
to make them separate methods.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
CC: Yasunori Goto <y-goto@jp.fujitsu.com>
CC: Dave Hansen <haveblue@us.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch folds the .start() method into .add().
acpi_processor_start() is always called immediately after
acpi_processor_add(), so there's really no point in having them be
separate methods.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Move acpi_processor_start() to just after acpi_processor_add().
A subsequent patch will merge them.
Code movement only; no functional change.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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We used to leave crud around if things failed in acpi_processor_start().
This patch cleans up as much as we can before returning.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Reviewed-by: Alex Chiang <achiang@hp.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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This patch removes the KOBJ_ONLINE/KOBJ_OFFLINE events the driver used
to generate for CPU hotplug. As far as I know, nobody consumes these.
The driver core still generates KOBJ_ADD and KOBJ_REMOVE, of course.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
CC: Zhao Yakui <yakui.zhao@intel.com>
CC: Matthew Garrett <mjg@redhat.com>
CC: Thomas Renninger <trenn@suse.de>
CC: Dave Jones <davej@codemonkey.org.uk>
CC: Kay Sievers <kay.sievers@vrfy.org>
CC: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
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Acer Aspire 8930G laptops (and possibly others) report the battery current
as a 16-bit signed negative when it is charging. It also reports it as
0x10000 when the current is 0. This patch adds a quirk for this which
takes the absolute value of the reported current cast to an s16. This is
a DSDT bug present in the latest BIOS revision (the EC register is 16 bits
signed and the DSDT attempts to take the 16-bit two's complement of this,
which works for discharge but not charge. It also breaks zero values
because a 32-bit register is used and the high bits aren't thrown away).
I've enabled this for all Acer systems which report in mA units. This
should be safe since it won't break compliant systems unless they report a
current above 32A, which is insane. The patch also detects the valid
32-bit value -1, which indicates unknown status, and does not attempt the
fix in that case (note that this does not conflict with 16-bit -1, which
is 65535 as read normally and gets translated to 1mA).
Signed-off-by: Hector Martin <hector@marcansoft.com>
Acked-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
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Add support for execution of an _INI method at the namespace root.
Although not defined in the ACPI specification, this support was
added to Windows around the Vista timeframe. It is added here
for Windows compatibility.
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>
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Added strings for Windows server 2008, Windows Vista SP1,
Windows 7, and Windows server 2008 R2.
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>
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Fixes a possible memory leak in the interpreter for package
objects if the package initializer list is longer than the
defined size of the package. This apparently can only happen
if the BIOS changes the package size on the fly (seen in a _PSS
object), as both iASL and the other compiler do not allow this.
The interpreter will truncate the package to the defined size
(and issue an error message), but can leave the extra objects
undeleted if they have been pre-created during the argument
processing (such is the case if the package consists of a number
of sub-packages as in the _PSS.) ACPICA BZ 805.
http://www.acpica.org/bugzilla/show_bug.cgi?id=805
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>
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We silently ignore this construct for Windows compatibility
ACPICA BZ 785.
http://www.acpica.org/bugzilla/show_bug.cgi?id=785
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>
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_DSM can return any type of object, so validation on the return
type cannot be performed. ACPICA BZ 802.
http://www.acpica.org/bugzilla/show_bug.cgi?id=802
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>
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acpi_device->pnp.hardware_id and unique_id are now allocated pointers,
replacing the previous arrays. acpi_device_install_notify_handler()
oopsed on the NULL hid when probing the video device, and perhaps other
uses are vulnerable too. So initialize those pointers to empty strings
when there is no hid or uid. Also, free hardware_id and unique_id when
when acpi_device is going to be freed.
http://bugzilla.kernel.org/show_bug.cgi?id=14096
Signed-off-by: Hugh Dickins <hugh.dickins@tiscali.co.uk>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Allow writes to reserved ports. This change may eventually be
driven down in to acpi_write and acpi_read.
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>
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Add limited support for executable AML code that exists outside
of any control method. This type of code has been illegal since
ACPI 2.0. The code must exist in an If/Else/While block. All AML
tables are supported, including tables that are dynamically loaded.
ACPICA BZ 762.
http://acpica.org/bugzilla/show_bug.cgi?id=762
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Added 31 new names for ACPI 4.0.
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>
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Reformatted the methods that return package objects.
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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Fixes a problem with the mechanism that prevents problems if the
acpi_terminate interface is inadvertently called more than once
before the ACPICA code is re-initialized. ACPICA BZ 795.
http://acpica.org/bugzilla/show_bug.cgi?id=795
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>
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Added one new package type, a package that contains a revision number and
a variable number of sub-packages. Restructured the module to
put the sub-package list traversal in a separate 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>
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Fixes a problem where a predefined method is defined to return
a variable-length Package of sub-packages. If the length is one,
the BIOS code occasionally creates a simple single package with
no sub-packages. This code attempts to fix the problem by wrapping
a new package object around the existing package. ACPICA BZ 790.
http://acpica.org/bugzilla/show_bug.cgi?id=790
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>
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New file is nsrepair.c. This is in preparation for additional
errror correcting code.
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>
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Added parens around the acpica version/modulename/linenumber to
clearly differentiate this group from the rest of the message.
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>
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This fixes a problem where the code that attempts to repair/convert
an object of incorrect type is only executed on the first time the
predefined method is called. The mechanism that disables warnings
on subsequent calls was interfering with the repair mechanism.
ACPICA BZ 781.
http://acpica.org/bugzilla/show_bug.cgi?id=781
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>
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