- ACPI core changes to make it create a struct acpi_device object for every
device represented in the ACPI tables during all namespace scans regardless
of the current status of that device. In accordance with this, ACPI hotplug
operations will not delete those objects, unless the underlying ACPI tables
go away.
- On top of the above, new sysfs attribute for ACPI device objects allowing
user space to check device status by triggering the execution of _STA for
its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating the
PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the code
"glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for the
DBG2 and PCCT tables to ACPICA, fixes some bugs and improves debug
facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization earlier.
That should allow us to use ACPI during the timekeeping initialization
and possibly to simplify the EFI initialization too. From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over from
Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in drivers
that uses _DSM to execute it via the new helper. From Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun Guo,
Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava, Rashika Kheria,
Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support, from
Dirk Brandewie and intel_pstate documentation from Ramkumar Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John Tobias,
Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC disabled
during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente Kurusa,
Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a cpupower
tool cleanup from One Thousand Gnomes.
/
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Merge tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael Wysocki:
"As far as the number of commits goes, the top spot belongs to ACPI
this time with cpufreq in the second position and a handful of PM
core, PNP and cpuidle updates. They are fixes and cleanups mostly, as
usual, with a couple of new features in the mix.
The most visible change is probably that we will create struct
acpi_device objects (visible in sysfs) for all devices represented in
the ACPI tables regardless of their status and there will be a new
sysfs attribute under those objects allowing user space to check that
status via _STA.
Consequently, ACPI device eject or generally hot-removal will not
delete those objects, unless the table containing the corresponding
namespace nodes is unloaded, which is extremely rare. Also ACPI
container hotplug will be handled quite a bit differently and cpufreq
will support CPU boost ("turbo") generically and not only in the
acpi-cpufreq driver.
Specifics:
- ACPI core changes to make it create a struct acpi_device object for
every device represented in the ACPI tables during all namespace
scans regardless of the current status of that device. In
accordance with this, ACPI hotplug operations will not delete those
objects, unless the underlying ACPI tables go away.
- On top of the above, new sysfs attribute for ACPI device objects
allowing user space to check device status by triggering the
execution of _STA for its ACPI object. From Srinivas Pandruvada.
- ACPI core hotplug changes reducing code duplication, integrating
the PCI root hotplug with the core and reworking container hotplug.
- ACPI core simplifications making it use ACPI_COMPANION() in the
code "glueing" ACPI device objects to "physical" devices.
- ACPICA update to upstream version 20131218. This adds support for
the DBG2 and PCCT tables to ACPICA, fixes some bugs and improves
debug facilities. From Bob Moore, Lv Zheng and Betty Dall.
- Init code change to carry out the early ACPI initialization
earlier. That should allow us to use ACPI during the timekeeping
initialization and possibly to simplify the EFI initialization too.
From Chun-Yi Lee.
- Clenups of the inclusions of ACPI headers in many places all over
from Lv Zheng and Rashika Kheria (work in progress).
- New helper for ACPI _DSM execution and rework of the code in
drivers that uses _DSM to execute it via the new helper. From
Jiang Liu.
- New Win8 OSI blacklist entries from Takashi Iwai.
- Assorted ACPI fixes and cleanups from Al Stone, Emil Goode, Hanjun
Guo, Lan Tianyu, Masanari Iida, Oliver Neukum, Prarit Bhargava,
Rashika Kheria, Tang Chen, Zhang Rui.
- intel_pstate driver updates, including proper Baytrail support,
from Dirk Brandewie and intel_pstate documentation from Ramkumar
Ramachandra.
- Generic CPU boost ("turbo") support for cpufreq from Lukasz
Majewski.
- powernow-k6 cpufreq driver fixes from Mikulas Patocka.
- cpufreq core fixes and cleanups from Viresh Kumar, Jane Li, Mark
Brown.
- Assorted cpufreq drivers fixes and cleanups from Anson Huang, John
Tobias, Paul Bolle, Paul Walmsley, Sachin Kamat, Shawn Guo, Viresh
Kumar.
- cpuidle cleanups from Bartlomiej Zolnierkiewicz.
- Support for hibernation APM events from Bin Shi.
- Hibernation fix to avoid bringing up nonboot CPUs with ACPI EC
disabled during thaw transitions from Bjørn Mork.
- PM core fixes and cleanups from Ben Dooks, Leonardo Potenza, Ulf
Hansson.
- PNP subsystem fixes and cleanups from Dmitry Torokhov, Levente
Kurusa, Rashika Kheria.
- New tool for profiling system suspend from Todd E Brandt and a
cpupower tool cleanup from One Thousand Gnomes"
* tag 'pm+acpi-3.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (153 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
platform: introduce OF style 'modalias' support for platform bus
PM / tools: new tool for suspend/resume performance optimization
ACPI: fix module autoloading for ACPI enumerated devices
ACPI: add module autoloading support for ACPI enumerated devices
ACPI: fix create_modalias() return value handling
...
Multiple race conditions are possible between the rfkill hotplug in the
asus-wmi and eeepc-laptop drivers and the generic PCI bus rescan and device
removal that can be triggered via sysfs.
To avoid those race conditions make asus-wmi and eeepc-laptop use global
PCI rescan-remove locking around the rfkill hotplug.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
* acpi-cleanup: (22 commits)
ACPI / tables: Return proper error codes from acpi_table_parse() and fix comment.
ACPI / tables: Check if id is NULL in acpi_table_parse()
ACPI / proc: Include appropriate header file in proc.c
ACPI / EC: Remove unused functions and add prototype declaration in internal.h
ACPI / dock: Include appropriate header file in dock.c
ACPI / PCI: Include appropriate header file in pci_link.c
ACPI / PCI: Include appropriate header file in pci_slot.c
ACPI / EC: Mark the function acpi_ec_add_debugfs() as static in ec_sys.c
ACPI / NVS: Include appropriate header file in nvs.c
ACPI / OSL: Mark the function acpi_table_checksum() as static
ACPI / processor: initialize a variable to silence compiler warning
ACPI / processor: use ACPI_COMPANION() to get ACPI device
ACPI: correct minor typos
ACPI / sleep: Drop redundant acpi_disabled check
ACPI / dock: Drop redundant acpi_disabled check
ACPI / table: Replace '1' with specific error return values
ACPI: remove trailing whitespace
ACPI / IBFT: Fix incorrect <acpi/acpi.h> inclusion in iSCSI boot firmware module
ACPI / i915: Fix incorrect <acpi/acpi.h> inclusions via <linux/acpi_io.h>
SFI / ACPI: Fix warnings reported during builds with W=1
...
Conflicts:
drivers/acpi/nvs.c
drivers/hwmon/asus_atk0110.c
Replace direct inclusions of <acpi/acpi.h>, <acpi/acpi_bus.h> and
<acpi/acpi_drivers.h>, which are incorrect, with <linux/acpi.h>
inclusions and remove some inclusions of those files that aren't
necessary.
First of all, <acpi/acpi.h>, <acpi/acpi_bus.h> and <acpi/acpi_drivers.h>
should not be included directly from any files that are built for
CONFIG_ACPI unset, because that generally leads to build warnings about
undefined symbols in !CONFIG_ACPI builds. For CONFIG_ACPI set,
<linux/acpi.h> includes those files and for CONFIG_ACPI unset it
provides stub ACPI symbols to be used in that case.
Second, there are ordering dependencies between those files that always
have to be met. Namely, it is required that <acpi/acpi_bus.h> be included
prior to <acpi/acpi_drivers.h> so that the acpi_pci_root declarations the
latter depends on are always there. And <acpi/acpi.h> which provides
basic ACPICA type declarations should always be included prior to any other
ACPI headers in CONFIG_ACPI builds. That also is taken care of including
<linux/acpi.h> as appropriate.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com> (drivers/pci stuff)
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> (Xen stuff)
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Follow-up to commit 294d31e822 ("sony-laptop: don't change keyboard
backlight settings"): avoid messing up the state on resume. Leave it to
what was before suspending as it's anyway likely that we still don't
know what value we should write to the EC registers. This fix is also
required in 3.12
Cc: stable@vger.kernel.org
Tested-by: Karol Babioch <karol@babioch.de>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
I just fixed this same bug in arch/powerpc/kernel/vio.c and took a quick
look for other similar errors in the kernel.
modalias_show() should return an empty string on error, not errno.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Cc: Matthew Garrett <matthew.garrett@nebula.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This patch adds support for ipc command interrupt mode.
Also added platform data option to select 'irq_mode'
irq_mode = 1: configure the driver to receive IOC interrupt
for each successful ipc_command.
irq_mode = 0: makes driver use polling method to
track the command completion status.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Handle error conditions in intel_scu_ipc_command() and
pwr_reg_rdwr().
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Since the same ipc driver can be used by many platforms, using
macros for defining ipc_base and i2c_base addresses is not
a scalable approach. So added a platform data structure to pass
this information.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Acked-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Cc: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
SNDRV_CARDS can be specified via Kconfig since 3.11 kernel, so this
can be over 32bit integer range, which leads to a build error.
Cc: <stable@vger.kernel.org> [v3.11+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
It makes sense to split out the Chromebook/Chromebox hardware platform
drivers to a separate subdirectory, since some of it will be shared
between ARM and x86.
This moves over the existing chromeos_laptop driver without making
any other changes, and adds appropriate Kconfig entries for the new
directory. It also adds a MAINTAINERS entry for the new subdir.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Some HP BIOS has dummy WMI 0x05 cmd and it causes wireless set cmd to fail.
This patch fixes the problem by detecting "2009 BIOS or later" flag which
determines whether WMI 0x1b is supported and is used to replace WMI 0x05.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Emitting an OOM message isn't necessary after input_allocate_device
as there's a generic OOM and a dump_stack already done.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Some BIOS versions/Vaio models apparently ship with two nearly identical
functions to handle backlight related controls.
The only difference seems to be:
If (LEqual (BUF1, 0x40))
{
Store (0x40, P80H)
Store (BUF2, Local0)
- And (Local0, One, Local0)
+ And (Local0, 0x03, Local0)
Store (Local0, ^^H_EC.KLPC)
}
Avoid erroring out on initialization and messing things up on cleanup
for now since we never call into these methods with anything different
than 1 or 0.
This issue was found on a Sony VPCSE1V9E/BIOS R2087H4.
Cc: Marco Krüger <krgsch@gmail.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
All my testing has been on laptops with a hw killswitch, so to be on the
safe side disable rfkill functionality on models without a hw killswitch for
now. Once we gather some feedback on laptops without a hw killswitch this
decision maybe reconsidered.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Setting force_rfkill will cause the dell-laptop rfkill code to skip its
whitelist checks, this will allow individual users to override the whitelist,
as well as to gather info from users to improve the checks.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Some time is needed for the BIOS to do its work, but 250ms should be plenty.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Instead when hw-blocked always write 1 to the blocked bit for the radio in
question. This is necessary to properly set all the blocked bits for hw-switch
controlled radios to 1 after power-on and resume.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This is necessary for 3 reasons:
1) To apply sw_state changes made while hw-blocked
2) To set all the blocked bits for hw-switch controlled radios to 1 when the
switch gets changed to off, this is necessary on some models to actually
turn the radio status LEDs off.
3) On some models non hw-switch controlled radios will have their block bit
cleared (potentially undoing a soft-block) on hw-switch toggle, this
restores the sw-block in this case.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
This makes dell-laptop's rfkill code consistent with other drivers which
allow sw_state changes while hw blocked.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
On machines with a hardware switch, the blocking settings can not be changed
through a Fn + wireless-key combo, so there is no reason to read back the
blocking state from the BIOS.
Reading back is not only not necessary it is actually harmful, since on some
machines the blocking state will be cleared to all 0 after a wireless switch
toggle, even for radios not controlled by the hw-switch (yeah firmware bugs).
This causes "magic" changes to the sw_state. This is inconsistent with other
rfkill drivers which preserve the sw_state over a hw kill on / off.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The query callback should only update the hw_state, see the comment in
net/rfkill/core.c in rfkill_set_block, which is its only caller.
rfkill_set_block will modify the sw_state directly after calling query so
calling set_sw_state is an expensive NOP.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
To ensure we don't enter any hw-switch related code paths on machines without
a hw-switch.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
The rfkill functionality was removed from the dell-laptop driver because it
was causing problems on various non Latitude models, and the blacklist kept
growing and growing. In the thread discussing this Dell mentioned that they
only QA the rfkill acpi interface on Latitudes and indeed there have been
no blacklist entries for Latitudes.
Note that the blacklist contained no Vostros either, and most Vostros have
a hardware switch too, so we could consider supporting Vostros with a
hardware switch too.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
Without rfkill functionality in dell-laptop I have the following problems:
-If the hardware radio switch is set to disable the radio, then userspace
will still think it can use wireless and bluetooth.
-The wwan / 3g modem cannot be soft blocked without the dell-laptop rfkill
functionality
I know the rfkill functionality was removed from the dell-laptop driver because
it caused more problems then it fixed, and the blacklist for it was growing out
of control.
But in the thread discussing this Dell mentioned that they only QA the rfkill
acpi interface on Latitudes and indeed there have been no blacklist entries
for Latitudes. Therefor I would like to bring the rfkill functionality back
only for Latitudes. This patch is a straight-forward revert. The next patch
in this set will drop the blacklist and replace it with a Latitude check.
This reverts commit a6c2390cd6.
Conflicts:
drivers/platform/x86/dell-laptop.c
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
- ACPI-based device hotplug fixes for issues introduced recently and
a fix for an older error code path bug in the ACPI PCI host bridge
driver.
- Fix for recently broken OMAP cpufreq build from Viresh Kumar.
- Fix for a recent hibernation regression related to s2disk.
- Fix for a locking-related regression in the ACPI EC driver from
Puneet Kumar.
- System suspend error code path fix related to runtime PM and
runtime PM documentation update from Ulf Hansson.
- cpufreq's conservative governor fix from Xiaoguang Chen.
- New processor IDs for intel_idle and turbostat and removal of
an obsolete Kconfig option from Len Brown.
- New device IDs for the ACPI LPSS (Low-Power Subsystem) driver and
ACPI-based PCI hotplug (ACPIPHP) cleanup from Mika Westerberg.
- Removal of several ACPI video DMI blacklist entries that are not
necessary any more from Aaron Lu.
- Rework of the ACPI companion representation in struct device and
code cleanup related to that change from Rafael J Wysocki,
Lan Tianyu and Jarkko Nikula.
- Fixes for assigning names to ACPI-enumerated I2C and SPI devices
from Jarkko Nikula.
/
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Merge tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI and power management updates from Rafael Wysocki:
- ACPI-based device hotplug fixes for issues introduced recently and a
fix for an older error code path bug in the ACPI PCI host bridge
driver
- Fix for recently broken OMAP cpufreq build from Viresh Kumar
- Fix for a recent hibernation regression related to s2disk
- Fix for a locking-related regression in the ACPI EC driver from
Puneet Kumar
- System suspend error code path fix related to runtime PM and runtime
PM documentation update from Ulf Hansson
- cpufreq's conservative governor fix from Xiaoguang Chen
- New processor IDs for intel_idle and turbostat and removal of an
obsolete Kconfig option from Len Brown
- New device IDs for the ACPI LPSS (Low-Power Subsystem) driver and
ACPI-based PCI hotplug (ACPIPHP) cleanup from Mika Westerberg
- Removal of several ACPI video DMI blacklist entries that are not
necessary any more from Aaron Lu
- Rework of the ACPI companion representation in struct device and code
cleanup related to that change from Rafael J Wysocki, Lan Tianyu and
Jarkko Nikula
- Fixes for assigning names to ACPI-enumerated I2C and SPI devices from
Jarkko Nikula
* tag 'pm+acpi-2-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (24 commits)
PCI / hotplug / ACPI: Drop unused acpiphp_debug declaration
ACPI / scan: Set flags.match_driver in acpi_bus_scan_fixed()
ACPI / PCI root: Clear driver_data before failing enumeration
ACPI / hotplug: Fix PCI host bridge hot removal
ACPI / hotplug: Fix acpi_bus_get_device() return value check
cpufreq: governor: Remove fossil comment in the cpufreq_governor_dbs()
ACPI / video: clean up DMI table for initial black screen problem
ACPI / EC: Ensure lock is acquired before accessing ec struct members
PM / Hibernate: Do not crash kernel in free_basic_memory_bitmaps()
ACPI / AC: Remove struct acpi_device pointer from struct acpi_ac
spi: Use stable dev_name for ACPI enumerated SPI slaves
i2c: Use stable dev_name for ACPI enumerated I2C slaves
ACPI: Provide acpi_dev_name accessor for struct acpi_device device name
ACPI / bind: Use (put|get)_device() on ACPI device objects too
ACPI: Eliminate the DEVICE_ACPI_HANDLE() macro
ACPI / driver core: Store an ACPI device pointer in struct acpi_dev_node
cpufreq: OMAP: Fix compilation error 'r & ret undeclared'
PM / Runtime: Fix error path for prepare
PM / Runtime: Update documentation around probe|remove|suspend
cpufreq: conservative: set requested_freq to policy max when it is over policy max
...
Use this new function to make code more comprehensible, since we are
reinitialzing the completion, not initializing.
[akpm@linux-foundation.org: linux-next resyncs]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org> (personally at LCE13)
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Since DEVICE_ACPI_HANDLE() is now literally identical to
ACPI_HANDLE(), replace it with the latter everywhere and drop its
definition from include/acpi.h.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- New power capping framework and the the Intel Running Average Power
Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
- Addition of the in-kernel switching feature to the arm_big_little
cpufreq driver from Viresh Kumar and Nicolas Pitre.
- cpufreq support for iMac G5 from Aaro Koskinen.
- Baytrail processors support for intel_pstate from Dirk Brandewie.
- cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
- ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
- ACPI power management support for the I2C and SPI bus types from
Mika Westerberg and Lv Zheng.
- cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
- cpufreq drivers updates (mostly fixes and cleanups) from Viresh Kumar,
Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz Majewski,
Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
- intel_pstate updates from Dirk Brandewie and Adrian Huang.
- ACPICA update to version 20130927 includig fixes and cleanups and
some reduction of divergences between the ACPICA code in the kernel
and ACPICA upstream in order to improve the automatic ACPICA patch
generation process. From Bob Moore, Lv Zheng, Tomasz Nowicki,
Naresh Bhat, Bjorn Helgaas, David E Box.
- ACPI IPMI driver fixes and cleanups from Lv Zheng.
- ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani,
Zhang Yanfei, Rafael J Wysocki.
- Conversion of the ACPI AC driver to the platform bus type and
multiple driver fixes and cleanups related to ACPI from Zhang Rui.
- ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
- Fixes and cleanups and new blacklist entries related to the ACPI
video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
Kirill Tkhai.
- cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
- cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
Bartlomiej Zolnierkiewicz, Prarit Bhargava.
- devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
- Operation Performance Points (OPP) core updates from Nishanth Menon.
- Runtime power management core fix from Rafael J Wysocki and update
from Ulf Hansson.
- Hibernation fixes from Aaron Lu and Rafael J Wysocki.
- Device suspend/resume lockup detection mechanism from Benoit Goby.
- Removal of unused proc directories created for various ACPI drivers
from Lan Tianyu.
- ACPI LPSS driver fix and new device IDs for the ACPI platform scan
handler from Heikki Krogerus and Jarkko Nikula.
- New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
- Assorted fixes and cleanups related to ACPI from Andy Shevchenko,
Al Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
Liu Chuansheng.
- Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
Jean-Christophe Plagniol-Villard.
/
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Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management updates from Rafael J Wysocki:
- New power capping framework and the the Intel Running Average Power
Limit (RAPL) driver using it from Srinivas Pandruvada and Jacob Pan.
- Addition of the in-kernel switching feature to the arm_big_little
cpufreq driver from Viresh Kumar and Nicolas Pitre.
- cpufreq support for iMac G5 from Aaro Koskinen.
- Baytrail processors support for intel_pstate from Dirk Brandewie.
- cpufreq support for Midway/ECX-2000 from Mark Langsdorf.
- ARM vexpress/TC2 cpufreq support from Sudeep KarkadaNagesha.
- ACPI power management support for the I2C and SPI bus types from Mika
Westerberg and Lv Zheng.
- cpufreq core fixes and cleanups from Viresh Kumar, Srivatsa S Bhat,
Stratos Karafotis, Xiaoguang Chen, Lan Tianyu.
- cpufreq drivers updates (mostly fixes and cleanups) from Viresh
Kumar, Aaro Koskinen, Jungseok Lee, Sudeep KarkadaNagesha, Lukasz
Majewski, Manish Badarkhe, Hans-Christian Egtvedt, Evgeny Kapaev.
- intel_pstate updates from Dirk Brandewie and Adrian Huang.
- ACPICA update to version 20130927 includig fixes and cleanups and
some reduction of divergences between the ACPICA code in the kernel
and ACPICA upstream in order to improve the automatic ACPICA patch
generation process. From Bob Moore, Lv Zheng, Tomasz Nowicki, Naresh
Bhat, Bjorn Helgaas, David E Box.
- ACPI IPMI driver fixes and cleanups from Lv Zheng.
- ACPI hotplug fixes and cleanups from Bjorn Helgaas, Toshi Kani, Zhang
Yanfei, Rafael J Wysocki.
- Conversion of the ACPI AC driver to the platform bus type and
multiple driver fixes and cleanups related to ACPI from Zhang Rui.
- ACPI processor driver fixes and cleanups from Hanjun Guo, Jiang Liu,
Bartlomiej Zolnierkiewicz, Mathieu Rhéaume, Rafael J Wysocki.
- Fixes and cleanups and new blacklist entries related to the ACPI
video support from Aaron Lu, Felipe Contreras, Lennart Poettering,
Kirill Tkhai.
- cpuidle core cleanups from Viresh Kumar and Lorenzo Pieralisi.
- cpuidle drivers fixes and cleanups from Daniel Lezcano, Jingoo Han,
Bartlomiej Zolnierkiewicz, Prarit Bhargava.
- devfreq updates from Sachin Kamat, Dan Carpenter, Manish Badarkhe.
- Operation Performance Points (OPP) core updates from Nishanth Menon.
- Runtime power management core fix from Rafael J Wysocki and update
from Ulf Hansson.
- Hibernation fixes from Aaron Lu and Rafael J Wysocki.
- Device suspend/resume lockup detection mechanism from Benoit Goby.
- Removal of unused proc directories created for various ACPI drivers
from Lan Tianyu.
- ACPI LPSS driver fix and new device IDs for the ACPI platform scan
handler from Heikki Krogerus and Jarkko Nikula.
- New ACPI _OSI blacklist entry for Toshiba NB100 from Levente Kurusa.
- Assorted fixes and cleanups related to ACPI from Andy Shevchenko, Al
Stone, Bartlomiej Zolnierkiewicz, Colin Ian King, Dan Carpenter,
Felipe Contreras, Jianguo Wu, Lan Tianyu, Yinghai Lu, Mathias Krause,
Liu Chuansheng.
- Assorted PM fixes and cleanups from Andy Shevchenko, Thierry Reding,
Jean-Christophe Plagniol-Villard.
* tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (386 commits)
cpufreq: conservative: fix requested_freq reduction issue
ACPI / hotplug: Consolidate deferred execution of ACPI hotplug routines
PM / runtime: Use pm_runtime_put_sync() in __device_release_driver()
ACPI / event: remove unneeded NULL pointer check
Revert "ACPI / video: Ignore BIOS initial backlight value for HP 250 G1"
ACPI / video: Quirk initial backlight level 0
ACPI / video: Fix initial level validity test
intel_pstate: skip the driver if ACPI has power mgmt option
PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
ACPI / hotplug: Do not execute "insert in progress" _OST
ACPI / hotplug: Carry out PCI root eject directly
ACPI / hotplug: Merge device hot-removal routines
ACPI / hotplug: Make acpi_bus_hot_remove_device() internal
ACPI / hotplug: Simplify device ejection routines
ACPI / hotplug: Fix handle_root_bridge_removal()
ACPI / hotplug: Refuse to hot-remove all objects with disabled hotplug
ACPI / scan: Start matching drivers after trying scan handlers
ACPI: Remove acpi_pci_slot_init() headers from internal.h
ACPI / blacklist: fix name of ThinkPad Edge E530
PowerCap: Fix build error with option -Werror=format-security
...
Conflicts:
arch/arm/mach-omap2/opp.c
drivers/Kconfig
drivers/spi/spi.c
There are no too intrusive changes in this update batch. The biggest
LOC is found in the new DICE driver, and other small changes are
scattered over the whole sound subtree (which is a common pattern).
Below are highlights:
- ALSA core:
* Memory allocation support with genpool
* Fix blocking in drain ioctl of compress_offload
- HD-audio:
* Improved AMD HDMI supports
* Intel HDMI detection improvements
* thinkpad_acpi mute-key integration
* New PCI ID, New ALC255,285,293 codecs, CX20952
- USB-audio:
* New buffer size management
* Clean up endpoint handling codes
- ASoC:
* Further work on the dmaengine helpers, including support for
configuring the parameters for DMA by reading the capabilities of
the DMA controller which removes some guesswork and magic numbers
from drivers.
* A refresh of the documentation.
* Conversions of many drivers to direct regmap API usage in order to
allow the ASoC level register I/O code to be removed, this will
hopefully be completed by v3.14.
* Support for using async register I/O in DAPM, reducing the time
taken to implement power transitions on systems that support it.
- Fireiwre: DICE driver
- Lots of small fixes for bugs reported by Coverity
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Merge tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"There are no too intrusive changes in this update batch. The biggest
LOC is found in the new DICE driver, and other small changes are
scattered over the whole sound subtree (which is a common pattern).
Below are highlights:
- ALSA core:
* Memory allocation support with genpool
* Fix blocking in drain ioctl of compress_offload
- HD-audio:
* Improved AMD HDMI supports
* Intel HDMI detection improvements
* thinkpad_acpi mute-key integration
* New PCI ID, New ALC255,285,293 codecs, CX20952
- USB-audio:
* New buffer size management
* Clean up endpoint handling codes
- ASoC:
* Further work on the dmaengine helpers, including support for
configuring the parameters for DMA by reading the capabilities of
the DMA controller which removes some guesswork and magic numbers
from drivers.
* A refresh of the documentation.
* Conversions of many drivers to direct regmap API usage in order
to allow the ASoC level register I/O code to be removed, this
will hopefully be completed by v3.14.
* Support for using async register I/O in DAPM, reducing the time
taken to implement power transitions on systems that support it.
- Firewire: DICE driver
- Lots of small fixes for bugs reported by Coverity"
* tag 'sound-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (382 commits)
ALSA: hda/realtek - Add new codec ALC255/ALC3234 UAJ supported
ALSA: hda - Apply MacBook fixups for CS4208 correctly
ASoC: fsl: imx-wm8962: remove an unneeded check
ASoC: fsl: imx-pcm-fiq: Remove unused 'runtime' variable
ALSA: hda/realtek - Make fixup regs persist after resume
ALSA: hda_intel: ratelimit "spurious response" message
ASoC: generic-dmaengine-pcm: Use SNDRV_DMA_TYPE_DEV_IRAM as default
ASoC: dapm: Use WARN_ON() instead of BUG_ON()
ASoC: wm_adsp: Fix BUG_ON() and WARN_ON() usages
ASoC: Replace BUG() with WARN()
ASoC: wm_hubs: Replace BUG() with WARN()
ASoC: wm8996: Replace BUG() with WARN()
ASoC: wm8962: Replace BUG() with WARN()
ASoC: wm8958: Replace BUG() with WARN()
ASoC: wm8904: Replace BUG() with WARN()
ASoC: wm8900: Replace BUG() with WARN()
ASoC: wm8350: Replace BUG() with WARN()
ASoC: txx9: Use WARN_ON() instead of BUG_ON()
ASoC: sh: Use WARN_ON() instead of BUG_ON()
ASoC: rcar: Use WARN_ON() instead of BUG_ON()
...
Pull x86/intel-mid changes from Ingo Molnar:
"Update the 'intel mid' (mobile internet device) platform code as Intel
is rolling out more SoC designs.
This gets rid of most of the 'MRST' platform code in the process,
mostly by renaming and shuffling code around into their respective
'intel-mid' platform drivers"
* 'x86-intel-mid-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, intel-mid: Do not re-introduce usage of obsolete __cpuinit
intel_mid: Move platform device setups to their own platform_<device>.* files
x86: intel-mid: Add section for sfi device table
intel-mid: sfi: Allow struct devs_id.get_platform_data to be NULL
intel_mid: Moved SFI related code to sfi.c
intel_mid: Added custom handler for ipc devices
intel_mid: Added custom device_handler support
intel_mid: Refactored sfi_parse_devs() function
intel_mid: Renamed *mrst* to *intel_mid*
pci: intel_mid: Return true/false in function returning bool
intel_mid: Renamed *mrst* to *intel_mid*
mrst: Fixed indentation issues
mrst: Fixed printk/pr_* related issues
A few final updates for v3.13, all driver updates apart from some DPCM
and Coverity fixes which should have minor impact on practical systems.
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Merge tag 'asoc-v3.13-2' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Final updates for v3.13
A few final updates for v3.13, all driver updates apart from some DPCM
and Coverity fixes which should have minor impact on practical systems.
* acpi-video:
ACPI: Add Toshiba NB100 to Vista _OSI blacklist
ACPI / video: Ignore BIOS initial backlight value for HP 250 G1
ACPI / video: Add Lenovo IdeaPad Yoga 13 to acpi video detect blacklist
thinkpad-acpi: fix handle locate for video and query of _BCL
ACPI / video: Do not register backlight if win8 and native interface exists
ACPI / video: seperate backlight control and event interface
backlight: introduce backlight_device_registered
ACPI: add missing win8 OSI comment to blacklist
ACPI: update win8 OSI blacklist
* acpi-conversion:
ACPI / AC: Remove AC's proc directory.
ideapad_laptop: convert ideapad device/driver to platform bus
ideapad_laptop: remove ideapad_handle and ideapad_priv
ideapad_laptop: convert internal function calls to use ideapad_private as parameter
ideapad_laptop: introduce struct acpi_device pointer to ideapad_private structure
ideapad_laptop: introduce #ifdef CONFIG_PM_SLEEP for PM specific code
ACPI / AC: convert ACPI ac driver to platform bus
Fix build error in asus_wmi.c when ASUS_WMI=y and ACPI_VIDEO=m
by preventing that combination.
drivers/built-in.o: In function `asus_wmi_probe':
asus-wmi.c:(.text+0x65ddb4): undefined reference to `acpi_video_unregister'
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Do not touch keyboard backlight unless explicitly passed a module
parameter. In this way we won't make wrong assumptions about what are
good default values since they actually are different from model to
model.
The only side effect is that we won't know what is the current value
until set via the sysfs attributes.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mrst is used as common name to represent all intel_mid type
soc's. But moorsetwon is just one of the intel_mid soc. So
renamed them to use intel_mid.
This patch mainly renames the variables and related
functions that uses *mrst* prefix with *intel_mid*.
To ensure that there are no functional changes, I have compared
the objdump of related files before and after rename and found
the only difference is symbol and name changes.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-6-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Following files contains code that is common to all intel mid
soc's. So renamed them as below.
mrst/mrst.c -> intel-mid/intel-mid.c
mrst/vrtc.c -> intel-mid/intel_mid_vrtc.c
mrst/early_printk_mrst.c -> intel-mid/intel_mid_vrtc.c
pci/mrst.c -> pci/intel_mid_pci.c
Also, renamed the corresponding header files and made changes
to the driver files that included these header files.
To ensure that there are no functional changes, I have compared
the objdump of renamed files before and after rename and found
that the only difference is file name change.
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-4-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
The LEDs are currently not visible to userspace, for security
reasons. They are exported through thinkpad_acpi.h for use by the
snd-hda-intel driver.
Thanks to Alex Hung <alex.hung@canonical.com> and Takashi Iwai
<tiwai@suse.de> for writing parts of this patch.
Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
The tpacpi_acpi_handle_locate function makes use of acpi_get_devices to
locate handle for ACPI video by HID, the problem is, ACPI video node
doesn't really have HID defined(i.e. no _HID control method is defined
for video device), so.. that function would fail. This can be solved by
enhancing the callback function for acpi_get_devices, where we can use
acpi_device_hid function to check if the ACPI node corresponds to a
video controller.
In addition to that, the _BCL control method only exists under a video
output device node, not a video controller device node. So to evaluate
_BCL, we need the handle of a video output device node, which is child
of the located video controller node from tpacpi_acpi_handle_locate.
The two fix are necessary for some Thinkpad models to emit notification
on backlight hotkey press as a result of evaluation of _BCL.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Tested-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This patch does two things,
1. enumerate the ideapad device node to platform bus.
2. convert the current driver from ACPI bus to platform bus.
Note, with this patch, the platform device node created by ACPI,
with the name VPC2004:00, is used as the parent device of
the input, backlight, rfkill sysfs class device.
Plus the ideapad_platform private sysfs attributes,
i.e. camera_power and fan_mode, are also moved to the new
platform device node.
The previous platform device node "ideapad" is removed.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
CC: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The current code use ideapad_handle and ideapad_priv to store
some information for the ideapad device.
But as they are global/static variables, the driver will be broken
if there are more than one ideapad ACPI device node on a platform.
Although this does not happen for now and may not happen in the future,
but still, this is a software bug.
Remove these two variables in this patch.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
CC: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
As struct ideapad_private has all the information needed for any operations,
convert ideapad_register_rfkill()/ideapad_unregister_rfkill() and
ideapad_sync_touchpad_state() to use struct ideapad_private as the parameter,
to be consistent with the others.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
CC: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Introduce struct acpi_device pointer to ideapad_private structure.
At the same time, replace all adevice with adev to be short and consistent.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
CC: Matthew Garrett <matthew.garrett@nebula.com>
CC: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linus Torvalds