linux-stable.git/drivers/pnp, branch linux-3.13.y

PNP / ACPI: proper handling of ACPI IO/Memory resource parsing failures

2014-03-24T04:44:20+00:00

commit 89935315f192abf7068d0044cefc84f162c3c81f upstream.

Before commit b355cee88e3b (ACPI / resources: ignore invalid ACPI
device resources), if acpi_dev_resource_memory()/acpi_dev_resource_io()
returns false, it means the the resource is not a memeory/IO resource.

But after commit b355cee88e3b, those functions return false if the
given memory/IO resource entry is invalid (the length of the resource
is zero).

This breaks pnpacpi_allocated_resource(), because it now recognizes
the invalid memory/io resources as resources of unknown type.  Thus
users see confusing warning messages on machines with zero length
ACPI memory/IO resources.

Fix the problem by rearranging pnpacpi_allocated_resource() so that
it calls acpi_dev_resource_memory() for memory type and IO type
resources only, respectively.

Fixes: b355cee88e3b (ACPI / resources: ignore invalid ACPI device resources)
Signed-off-by: Zhang Rui 
Reported-and-tested-by: Markus Trippelsdorf 
Reported-and-tested-by: Julian Wollrath 
Reported-and-tested-by: Paul Bolle 
[rjw: Changelog]
Signed-off-by: Rafael J. Wysocki 
Signed-off-by: Greg Kroah-Hartman

PNP: fix restoring devices after hibernation

2013-12-05T01:01:55+00:00

On returning from hibernation 'restore' callback is called,
not 'resume'.  Fix it.

Fixes: eaf140b60ec9 (PNP: convert PNP driver bus legacy pm_ops to dev_pm_ops)
Signed-off-by: Dmitry Torokhov 
Cc: 3.12+  # 3.12+
Signed-off-by: Rafael J. Wysocki

ACPI: Eliminate the DEVICE_ACPI_HANDLE() macro

2013-11-14T22:17:21+00:00

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 
Acked-by: Greg Kroah-Hartman

Merge tag 'pm+acpi-3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

2013-11-14T04:41:48+00:00

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

PNP: convert bus code to use dev_groups

2013-10-17T01:36:02+00:00

The dev_attrs field of struct bus_type is going away soon, dev_groups
should be used instead.  This converts the PNP bus code to use the
correct field.

Acked-by: Rafael J. Wysocki 
Cc: Bjorn Helgaas 
Signed-off-by: Greg Kroah-Hartman

pnpacpi: convert acpi_get_handle() to acpi_has_method()

2013-09-23T23:37:56+00:00

acpi_has_method() is a new ACPI API introduced to check
the existence of an ACPI control method.

It can be used to replace acpi_get_handle() in the case that
1. the calling function doesn't need the ACPI handle of the control method.
and
2. the calling function doesn't care the reason why the method is unavailable.

Convert acpi_get_handle() to acpi_has_method()
in drivers/pnp/pnpacpi/core.c in this patch.

Signed-off-by: Zhang Rui 
CC: Bjorn Helgaas 
Signed-off-by: Rafael J. Wysocki

pnp: change pnp bus pm_ops to invoke pnp driver dev_pm_ops if specified

2013-09-11T22:58:15+00:00

pnp_bus_suspend() and pnp_bus_resume() invoke legacy pm_ops from
pnp_driver.  Changed pnp_bus_suspend() and pnp_bus_resume() to check if
pnp driver has dev_pm_ops and call.  If dev_pm_ops don't exist, then call
use legacy pm_ops.  Without this change, pnp_driver dev_pm_ops will not
get called.

In addition to the pnp driver bus pm_ops change to invoke driver
dev_pm_ops, this patch set contains changes to rtc-cmos, tpm_tis, and
apple-gmux pnp drivers to convert from legacy pm_ops to dev_pm_ops.

This patch (of 4):

pnp_bus_suspend() and pnp_bus_resume() invoke legacy pm_ops from
pnp_driver.  Changed pnp_bus_suspend() and pnp_bus_resume() to check if
pnp driver has dev_pm_ops and call.  If dev_pm_ops don't exist, then call
use legacy pm_ops.  Without this change, pnp_driver dev_pm_ops will not
get called.

Signed-off-by: Shuah Khan 
Cc: Matthew Garrett 
Cc: Leonidas Da Silva Barbosa 
Cc: Ashley Lai 
Cc: Rajiv Andrade 
Cc: Marcel Selhorst 
Cc: Sirrix AG 
Cc: Alessandro Zummo 
Cc: "Rafael J. Wysocki" 
Cc: Bjorn Helgaas 
Cc: Grant Likely 
Cc: Rob Herring 
Cc: Peter Hüwe 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

Merge branch 'pnp'

2013-08-26T23:41:35+00:00

* pnp:
  PNP: convert PNP driver bus legacy pm_ops to dev_pm_ops

ACPI / PM: Use ACPI_STATE_D3_COLD instead of ACPI_STATE_D3 everywhere

2013-07-30T12:36:20+00:00

There are several places in the tree where ACPI_STATE_D3 is used
instead of ACPI_STATE_D3_COLD which should be used instead for
clarity.  Modify them all to use ACPI_STATE_D3_COLD as appropriate.

[The definition of ACPI_STATE_D3 itself cannot go away at this point
 as it is part of ACPICA.]

Signed-off-by: Rafael J. Wysocki 
Reviewed-by: Aaron Lu

PNP: convert PNP driver bus legacy pm_ops to dev_pm_ops

2013-07-27T01:21:03+00:00

Convert drivers/pnp/driver.c bus legacy pm_ops to dev_pm_ops using
existing suspend and resume routines.  Add freeze interface to
handle PM_EVENT_FREEZE correctly with dev_pm_ops.  pm_op() looks for
freeze interface when the event is PM_EVENT_FREEZE.

Signed-off-by: Shuah Khan 
Signed-off-by: Rafael J. Wysocki