From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Wed, 5 Jun 2013 12:01:19 +0000 (+0200)
Subject: ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization
X-Git-Tag: v3.10-rc5~16^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7cd8407d53ef5fb0280fcbe34f42311472f90feb;p=pandora-kernel.git

ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization

Commit b378549 (ACPI / PM: Do not power manage devices in unknown
initial states) added code to force devices without _PSC, but having
_PS0 defined in the ACPI namespace, into ACPI power state D0 by
executing _PS0 for them.  That turned out to break Toshiba P870-303,
however, so revert that code.

References: https://bugzilla.kernel.org/show_bug.cgi?id=58201
Reported-and-tested-by: Jerome Cantenot <jerome.cantenot@gmail.com>
Tracked-down-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: 3.9+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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