From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Thu, 16 May 2013 20:29:28 +0000 (+0200)
Subject: ACPI / PM: Allow device power states to be used for CONFIG_PM unset
X-Git-Tag: v3.10-rc3~7^2~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ec4602a9588a196fa1a9af46bfdd37cbf5792db4;p=pandora-kernel.git

ACPI / PM: Allow device power states to be used for CONFIG_PM unset

Currently, drivers/acpi/device_pm.c depends on CONFIG_PM and all of
the functions defined in there are replaced with static inline stubs
if that option is unset.  However, CONFIG_PM means, roughly, "runtime
PM or suspend/hibernation support" and some of those functions are
useful regardless of that.  For example, they are used by the ACPI
fan driver for controlling fans and acpi_device_set_power() is called
during device removal.  Moreover, device initialization may depend on
setting device power states properly.

For these reasons, make the routines manipulating ACPI device power
states defined in drivers/acpi/device_pm.c available for CONFIG_PM
unset too.

Reported-by: Zhang Rui <rui.zhang@intel.com>
Reported-and-tested-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 3.9+ <stable@vger.kernel.org>
---

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