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Populate olpc_ec_priv with variables that were previously global. This
makes things a tad bit clearer, IMO.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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There's nothing about the debugfs interface for the EC driver that is
architecture-specific, so move it into the arch-independent driver.
The code is mostly unchanged with the exception of renamed variables, coding
style changes, and API updates.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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This uses the new EC driver framework in drivers/platform/olpc. The
XO-1 and XO-1.5-specific code is still in arch/x86, but the generic stuff
(including a new workqueue; no more running EC commands with IRQs disabled!)
can be shared with other architectures.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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A problem we've noticed on XO-1.75 is when we suspend in the middle of
an EC command. Don't allow that.
In the process, create a private object for the generic EC driver to use;
we have a framework for passing around a struct, use that rather than a
proliferation of global variables.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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The 1.75-based OLPC EC driver already does this; let's do it for all EC
drivers. This gives us nice suspend/resume hooks, amongst other things.
We want to run the EC's suspend hooks later than other drivers (which may
be setting wakeup masks or be running EC commands). We also want to run
the EC's resume hooks earlier than other drivers (which may want to run EC
commands).
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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This provides a new API allows different OLPC architectures to override the
EC driver. x86 and ARM OLPC machines use completely different EC backends.
The olpc_ec_cmd is synchronous, and waits for the workqueue to send the
command to the EC. Multiple callers can run olpc_ec_cmd() at once, and
they will by serialized and sleep while only one executes on the EC at a time.
We don't provide an unregister function, as that doesn't make sense within
the context of OLPC machines - there's only ever 1 EC, it's critical to
functionality, and it certainly not hotpluggable.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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Switch over to using olpc-ec.h in multiple steps, so as not to break builds.
This covers every driver that calls olpc_ec_cmd().
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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The OLPC EC driver has outgrown arch/x86/platform/. It's time to both
share common code amongst different architectures, as well as move it out
of arch/x86/. The XO-1.75 is ARM-based, and the EC driver shares a lot of
code with the x86 code.
Signed-off-by: Andres Salomon <dilinger@queued.net>
Acked-by: Paul Fox <pgf@laptop.org>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
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Pull x86 platform driver updates from Matthew Garrett:
"Nothing overly dramatic here - improved support for the Classmate,
some random small fixes and a rework of backlight management to deal
with some of the more awkward cases."
* 'linux-next' of git://cavan.codon.org.uk/platform-drivers-x86:
thinkpad_acpi: Free hotkey_keycode_map after unregistering tpacpi_inputdev
thinkpad_acpi: Fix a memory leak during module exit
thinkpad_acpi: Flush the workqueue before freeing tpacpi_leds
dell-laptop: Add 6 machines to touchpad led quirk
ACER: Fix Smatch double-free issue
ACER: Fix up sparse warning
asus-nb-wmi: add some video toggle keys
asus-nb-wmi: add wapf quirk for ASUS machines
classmate-laptop: Fix extra keys hardware id.
classmate-laptop: Add support for Classmate V4 accelerometer.
asus-wmi: enable resume on lid open
asus-wmi: control backlight power through WMI, not ACPI
samsung-laptop: support R40/R41
acpi/video_detect: blacklist samsung x360
samsung-laptop: X360 ACPI backlight device is broken
drivers-platform-x86: use acpi_video_dmi_promote_vendor()
acpi: add a way to promote/demote vendor backlight drivers
ACER: Add support for accelerometer sensor
asus-wmi: use ASUS_WMI_METHODID_DSTS2 as default DSTS ID.
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We should free hotkey_keycode_map after unregistering tpacpi_inputdev, to aviod
use after free like this:
[ 99.408388] =============================================================================
[ 99.408393] BUG kmalloc-64 (Not tainted): Poison overwritten
[ 99.408394] -----------------------------------------------------------------------------
[ 99.408394]
[ 99.408398] INFO: 0xf2751962-0xf2751995. First byte 0x98 instead of 0x6b
[ 99.408402] INFO: Allocated in 0xfdc88c28 age=79 cpu=0 pid=1329
[ 99.408407] __slab_alloc.isra.50.constprop.56+0x49f/0x533
[ 99.408410] kmem_cache_alloc_trace+0x10d/0x140
[ 99.408412] 0xfdc88c28
[ 99.408414] 0xfdc898cc
[ 99.408417] do_one_initcall+0x112/0x160
[ 99.408420] sys_init_module+0xe6d/0x1bc0
[ 99.408422] sysenter_do_call+0x12/0x28
[ 99.408427] INFO: Freed in hotkey_exit+0x50/0xb0 [thinkpad_acpi] age=14 cpu=1 pid=1333
[ 99.408429] __slab_free+0x3d/0x30b
[ 99.408431] kfree+0x129/0x140
[ 99.408435] hotkey_exit+0x50/0xb0 [thinkpad_acpi]
[ 99.408438] ibm_exit+0xe3/0x1a0 [thinkpad_acpi]
[ 99.408441] thinkpad_acpi_module_exit+0x35/0x208 [thinkpad_acpi]
[ 99.408443] sys_delete_module+0x11f/0x280
[ 99.408445] sysenter_do_call+0x12/0x28
[ 99.408447] INFO: Slab 0xf4d5ea20 objects=17 used=17 fp=0x (null) flags=0x40000080
[ 99.408449] INFO: Object 0xf2751960 @offset=2400 fp=0xf2751780
[ 99.408449]
[ 99.408452] Bytes b4 f2751950: 64 02 00 00 ae ce fe ff 5a 5a 5a 5a 5a 5a 5a 5a d.......ZZZZZZZZ
[ 99.408454] Object f2751960: 6b 6b 98 00 ec 00 8e 00 ee 00 6b 6b e3 00 bf 00 kk........kk....
[ 99.408456] Object f2751970: c2 00 6b 6b 6b 6b cd 00 6b 6b 6b 6b 6b 6b e1 00 ..kkkk..kkkkkk..
[ 99.408458] Object f2751980: e0 00 e4 00 6b 6b 74 01 73 00 72 00 71 00 94 00 ....kkt.s.r.q...
[ 99.408460] Object f2751990: 6b 6b 6b 6b f8 00 6b 6b 6b 6b 6b 6b 6b 6b 6b a5 kkkk..kkkkkkkkk.
[ 99.408462] Redzone f27519a0: bb bb bb bb ....
Signed-off-by: Li Dongyang <Jerry87905@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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We should free the thinkpad_id.nummodel_str during exit as it's allocated
in get_thinkpad_module_data().
Signed-off-by: Li Dongyang <Jerry87905@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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We init work_struct within tpacpi_leds, and we should free tpacpi_leds after
the workqueue is empty, in case of the work_struct is referenced after free.
This script could trigger the OOPS:
#!/bin/sh
while true
do
modprobe -r thinkpad_acpi
modprobe thinkpad_acpi
done
And the OOPS looks like this:
[ 73.863557] BUG: unable to handle kernel paging request at 45440000
[ 73.863925] IP: [<c1051d65>] process_one_work+0x25/0x3b0
[ 73.864749] *pde = 00000000
[ 73.865571] Oops: 0000 [#1] PREEMPT SMP
[ 73.866443] Modules linked in: thinkpad_acpi(-) nvram netconsole configfs
aes_i586 cryptd aes_generic joydev btusb bluetooth arc4 snd_hda_codec_analog
iwl4965 uhci_hcd pcmcia microcode iwlegacy mac80211 cfg80211 firewire_ohci
firewire_core kvm_intel kvm snd_hda_intel acpi_cpufreq mperf ehci_hcd yenta_socket
pcmcia_rsrc crc_itu_t sr_mod snd_hda_codec processor pcmcia_core i2c_i801 usbcore
lpc_ich cdrom serio_raw psmouse coretemp rfkill e1000e snd_pcm snd_page_alloc
snd_hwdep snd_timer snd pcspkr evdev ac battery thermal soundcore usb_common
intel_agp intel_gtt tp_smapi(O) thinkpad_ec(O) ext4 crc16 jbd2 mbcache sd_mod
ata_piix ahci libahci libata scsi_mod nouveau button video mxm_wmi wmi
i2c_algo_bit drm_kms_helper ttm drm agpgart i2c_core [last unloaded: nvram]
[ 73.866676]
[ 73.866676] Pid: 62, comm: kworker/u:4 Tainted: G O 3.5.0-1-ARCH
#1 LENOVO 7662CTO/7662CTO
[ 73.866676] EIP: 0060:[<c1051d65>] EFLAGS: 00010002 CPU: 1
[ 73.866676] EIP is at process_one_work+0x25/0x3b0
[ 73.866676] EAX: 45440065 EBX: f5545090 ECX: 00000088 EDX: 45440000
[ 73.866676] ESI: f568ff40 EDI: c164dd40 EBP: f5705f98 ESP: f5705f68
[ 73.866676] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068
[ 73.866676] CR0: 8005003b CR2: 45440000 CR3: 357ed000 CR4: 000007d0
[ 73.866676] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 73.866676] DR6: ffff0ff0 DR7: 00000400
[ 73.866676] Process kworker/u:4 (pid: 62, ti=f5704000 task=f5700540 task.ti=f5704000)
[ 73.866676] Stack:
[ 73.866676] f56fbf24 00000001 f5705f78 c10683e0 c1294950 00000000 00000000 f568ff40
[ 73.866676] 00000000 f568ff40 f568ff50 c164dd40 f5705fb8 c1052589 c1060c7e c15b9300
[ 73.866676] c164dd40 00000000 f568ff40 c1052490 f5705fe4 c10570b2 00000000 f568ff40
[ 73.866676] Call Trace:
[ 73.866676] [<c10683e0>] ? default_wake_function+0x10/0x20
[ 73.866676] [<c1294950>] ? dev_get_drvdata+0x20/0x20
[ 73.866676] [<c1052589>] worker_thread+0xf9/0x280
[ 73.866676] [<c1060c7e>] ? complete+0x4e/0x60
[ 73.866676] [<c1052490>] ? manage_workers.isra.24+0x1c0/0x1c0
[ 73.866676] [<c10570b2>] kthread+0x72/0x80
[ 73.866676] [<c1057040>] ? kthread_freezable_should_stop+0x50/0x50
[ 73.866676] [<c13c20fe>] kernel_thread_helper+0x6/0x10
[ 73.866676] Code: bc 27 00 00 00 00 55 89 e5 57 56 53 83 ec 24 3e 8d 74 26
00 89 c6 8b 02 89 d3 c7 45 f0 00 00 00 00 89 c2 30 d2 a8 04 0f 44 55 f0 <8b> 02 89 55 f0 89 da c1 ea
0a 89 45 ec 89 d8 8b 4d ec c1 e8 04
[ 73.866676] EIP: [<c1051d65>] process_one_work+0x25/0x3b0 SS:ESP 0068:f5705f68
[ 73.866676] CR2: 0000000045440000
[ 73.866676] ---[ end trace 4d8a1887edca08c5 ]---
[ 73.866676] note: kworker/u:4[62] exited with preempt_count 1
Signed-off-by: Li Dongyang <Jerry87905@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Add the following machines into quirk,
Isnpiron 5420, Isnpiron 5520, Isnpiron 5720,
Isnpiron 7420, Isnpiron 7520, Isnpiron 7720
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The patch 6ae3a0876185: "ACER: Add support for accelerometer sensor"
from Jun 1, 2012, leads to the following Smatch warning:
drivers/platform/x86/acer-wmi.c:1886 acer_wmi_accel_destroy()
error: don't call input_free_device() after input_unregister_device()
drivers/platform/x86/acer-wmi.c
1883 static void acer_wmi_accel_destroy(void)
1884 {
1885 input_unregister_device(acer_wmi_accel_dev);
1886 input_free_device(acer_wmi_accel_dev);
1887 }
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Fengguang Wu <wfg@linux.intel.com>
Cc: joeyli <jlee@suse.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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drivers/platform/x86/acer-wmi.c:1836:18: sparse: Using plain integer as NULL pointer
drivers/platform/x86/acer-wmi.c:1836:
1833
1834 BUG_ON(!name || !ah);
1835
> 1836 handle = 0;
1837 status = acpi_get_devices(prop, acer_wmi_get_handle_cb,
1838 (void *)name, &handle);
1839
Reported-by: Fengguang Wu <wfg@linux.intel.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Matthew Garrett <mjg59@srcf.ucam.org>
Cc: Fengguang Wu <wfg@linux.intel.com>
Cc: joeyli <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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There are some new video switch keys that used by newer machines.
0xA0 - SDSP HDMI only
0xA1 - SDSP LCD + HDMI
0xA2 - SDSP CRT + HDMI
0xA3 - SDSP TV + HDMI
But in Linux, there is no suitable userspace application to handle this,
so, mapping them all to KEY_SWITCHVIDEOMODE.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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The BIOS of these machines will try to enable/disable wifi/bt in
their own sqeuence. It won't read the enable/disable parameter
in WMI command, but just iterates the wifi/bt's status described below
1st. enable wifi, enable bt
2nd. disable wifi, enable bt
3rd. enable wifi, disable bt
4th. disable wifi, disable bt
That will totally mess up the rfkill status, since we will try to read
wifi and bt's status and reset it again while booting up.
To avoid this, these machines should set the wapf value to 4,
that will let software totally control the wifi/bt's status and
BIOS will do nothing instead of sending out the 0x88(KEY_RFKILL) event
instead of 0x5e(wifi enable), 0x5f(wifi diable), 0x7d(bt enable), and
0x7e(bt disable) through WMI.
With this patch[1], it will handle the KEY_RFKILL event correctly and
will block/unblock wifi and bt together.
1. https://lkml.org/lkml/2012/5/21/75
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Since ACPI devices ids were changed to use always upper-case letters, the ACPI
id of the extra keys (FNBT0000) was not maching the one defined in the driver
(FnBT0000), causing the extra keys not to work.
The patch replaces the driver id with the one reported by ACPI, fixing the
problem.
Signed-off-by: Miguel Gómez <magomez@igalia.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Classmate V4 laptop includes a new accelerometer that can't be handled by
previous driver. This patch adds a new driver to handle it.
[mjg: Fixed up the driver pm stuff]
Signed-off-by: Miguel Gómez <magomez@igalia.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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According to the ASUS WMI spec., to enable resume on lid open should
use the device ID(0x00120032), but it doesn't work indeed.
After discussing with ASUS' BIOS engineer, they say wake on lid open
doesn't have a uniq device ID(0x00120032) in the BIOS. It shares the same
device ID with deep S3(0x00120031), and the deep S3(resume on lid open)
is disable by default.
Adding this option in asus wmi sysfs
/sys/devices/platform/<platform>/lid_resume
so that userspace apps can enable/disable this feature by themselves.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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BugLink: https://bugs.launchpad.net/bugs/1000146
Some h/w that can adjust screen brightness through ACPI functions, but
can't turn on/off the backlight power correctly. So, we list those h/w in
quirks and try to turn on/off the backlight power through WMI.
Signed-off-by: AceLan Kao <acelan.kao@canonical.com>
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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> Chassis Information
> Manufacturer: SAMSUNG ELECTRONICS CO., LTD.
> Type: Other
Type should be "Notebook", "Laptop", .. not "Other".
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Instead of using directly acpi_video_unregister(), use
acpi_video_dmi_promote_vendor() (and make it call
acpi_video_unregister() if needed)
Signed-off-by: Corentin Chary <corentin.chary@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This device is present on Iconia Tab W500.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: joeyli <jlee@suse.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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According to responses from the BIOS team, ASUS_WMI_METHODID_DSTS2
(0x53545344) will be used as future DSTS ID. In addition, calling
asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS2, 0, 0, NULL) returns
ASUS_WMI_UNSUPPORTED_METHOD in new ASUS laptop PCs. This patch fixes
no DSTS ID will be assigned in this case.
Signed-off-by: Alex Hung <alex.hung@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Cc: stable@kernel.org
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull ACPI & power management update from Len Brown:
"Re-write of the turbostat tool.
lower overhead was necessary for measuring very large system when
they are very idle.
IVB support in intel_idle
It's what I run on my IVB, others should be able to also:-)
ACPICA core update
We have found some bugs due to divergence between Linux and the
upstream ACPICA base. Most of these patches are to reduce that
divergence to reduce the risk of future bugs.
Some cpuidle updates, mostly for non-Intel
More will be coming, as they depend on this part.
Some thermal management changes needed by non-ACPI systems.
Some _OST (OS Status Indication) updates for hot ACPI hot-plug."
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (51 commits)
Thermal: Documentation update
Thermal: Add Hysteresis attributes
Thermal: Make Thermal trip points writeable
ACPI/AC: prevent OOPS on some boxes due to missing check power_supply_register() return value check
tools/power: turbostat: fix large c1% issue
tools/power: turbostat v2 - re-write for efficiency
ACPICA: Update to version 20120711
ACPICA: AcpiSrc: Fix some translation issues for Linux conversion
ACPICA: Update header files copyrights to 2012
ACPICA: Add new ACPI table load/unload external interfaces
ACPICA: Split file: tbxface.c -> tbxfload.c
ACPICA: Add PCC address space to space ID decode function
ACPICA: Fix some comment fields
ACPICA: Table manager: deploy new firmware error/warning interfaces
ACPICA: Add new interfaces for BIOS(firmware) errors and warnings
ACPICA: Split exception code utilities to a new file, utexcep.c
ACPI: acpi_pad: tune round_robin_time
ACPICA: Update to version 20120620
ACPICA: Add support for implicit notify on multiple devices
ACPICA: Update comments; no functional change
...
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Some of the thermal drivers using the Generic Thermal Framework
require (all/some) trip points to be writeable. This patch makes
the trip point temperatures writeable on a per-trip point basis,
and modifies the required function call in thermal.c. This patch
also updates the Documentation to reflect the new change.
Signed-off-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
- ACPI conversion to PM handling based on struct dev_pm_ops.
- Conversion of a number of platform drivers to PM handling based on
struct dev_pm_ops and removal of empty legacy PM callbacks from a
couple of PCI drivers.
- Suspend-to-both for in-kernel hibernation from Bojan Smojver.
- cpuidle fixes and cleanups from ShuoX Liu, Daniel Lezcano and Preeti
Murthy.
- cpufreq bug fixes from Jonghwa Lee and Stephen Boyd.
- Suspend and hibernate fixes from Srivatsa Bhat and Colin Cross.
- Generic PM domains framework updates.
- RTC CMOS wakeup signaling update from Paul Fox.
- sparse warnings fixes from Sachin Kamat.
- Build warnings fixes for the generic PM domains framework and PM
sysfs code.
- sysfs switch for printing device suspend times from Sameer Nanda.
- Documentation fix from Oskar Schirmer.
* tag 'pm-for-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (70 commits)
cpufreq: Fix sysfs deadlock with concurrent hotplug/frequency switch
EXYNOS: bugfix on retrieving old_index from freqs.old
PM / Sleep: call early resume handlers when suspend_noirq fails
PM / QoS: Use NULL pointer instead of plain integer in qos.c
PM / QoS: Use NULL pointer instead of plain integer in pm_qos.h
PM / Sleep: Require CAP_BLOCK_SUSPEND to use wake_lock/wake_unlock
PM / Sleep: Add missing static storage class specifiers in main.c
cpuilde / ACPI: remove time from acpi_processor_cx structure
cpuidle / ACPI: remove usage from acpi_processor_cx structure
cpuidle / ACPI : remove latency_ticks from acpi_processor_cx structure
rtc-cmos: report wakeups from interrupt handler
PM / Sleep: Fix build warning in sysfs.c for CONFIG_PM_SLEEP unset
PM / Domains: Fix build warning for CONFIG_PM_RUNTIME unset
olpc-xo15-sci: Use struct dev_pm_ops for power management
PM / Domains: Replace plain integer with NULL pointer in domain.c file
PM / Domains: Add missing static storage class specifier in domain.c file
PM / crypto / ux500: Use struct dev_pm_ops for power management
PM / IPMI: Remove empty legacy PCI PM callbacks
tpm_nsc: Use struct dev_pm_ops for power management
tpm_tis: Use struct dev_pm_ops for power management
...
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* pm-drivers:
rtc-cmos: report wakeups from interrupt handler
PM / crypto / ux500: Use struct dev_pm_ops for power management
PM / IPMI: Remove empty legacy PCI PM callbacks
tpm_nsc: Use struct dev_pm_ops for power management
tpm_tis: Use struct dev_pm_ops for power management
tpm_atmel: Use struct dev_pm_ops for power management
PM / TPM: Drop unused pm_message_t argument from tpm_pm_suspend()
omap-rng: Use struct dev_pm_ops for power management
mg_disk: Use struct dev_pm_ops for power management
msi-laptop: Use struct dev_pm_ops for power management
hdaps: Use struct dev_pm_ops for power management
sonypi: Use struct dev_pm_ops for power management
intel_mid_thermal: Use struct dev_pm_ops for power management
acer-wmi: Use struct dev_pm_ops for power management
intel_ips: Remove empty legacy PM callbacks
thinkpad_acpi: Use struct dev_pm_ops instead of legacy PM routines
thinkpad_acpi: Drop pm_message_t arguments from suspend routines
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Make the msi-laptop driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
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Make the HDAPS driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Make the intel_mid_thermal driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Durgadoss R <durgadoss.r@intel.com>
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Make the acer-wmi driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: Lee, Chun-Yi <jlee@suse.com>
Acked-by: Matthew Garrett <mjg@redhat.com>
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The legacy PM callbacks provided by the Intel IPS driver are
empty routines returning 0, so they can be safely dropped.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Make the thinkpad_acpi driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct platform_driver.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Matthew Garrett <mjg@redhat.com>
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Multiple suspend routines in drivers/platform/x86/thinkpad_acpi.c
use take pm_message_t arguments that aren't used by any of them.
Make those routines take no arguments as that's what they should do.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Acked-by: Matthew Garrett <mjg@redhat.com>
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Make the fujitsu-tablet driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Make the classmate-laptop driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
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Make the xo15-ebook driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Make the toshiba_bluetooth driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Vikram Dhillon <opensolarisdev@gmail.com>
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Make the panasonic-laptop driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Make the sony-laptop driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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Make the hp_accel driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Reviewed-by: Éric Piel <eric.piel@tremplin-utc.net>
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Make the toshiba_acpi driver define its PM callbacks through
a struct dev_pm_ops object rather than by using legacy PM hooks
in struct acpi_device_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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None of the drivers implementing the ACPI device suspend callback
uses the pm_message_t argument of it, so this argument may be dropped
entirely from that callback. This will simplify switching the ACPI
bus type to PM handling based on struct dev_pm_ops.
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
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intel_ips driver spews the warning message
"ME failed to update for more than 1s, likely hung"
at each second endlessly on HP ProBook laptops with IronLake.
As this has never worked, better to blacklist the driver for now.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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We only initialize the high bits of "cfg". It probably doesn't cause
a problem given that this is platform specific code and doesn't have to
worry about endianness etc. But it's sort of messy.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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Since bab7084c745bf4d75b760728387f375fd34dc683, find_snc_handle
returns -EINVAL, not -1.
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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This needs to be signed to handle negative error codes.
Remove a redundant check, read_limits is always called with a valid
handle.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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