From: Magnus Damm <damm@igel.co.jp>
Date: Tue, 21 Apr 2009 19:24:02 +0000 (-0700)
Subject: clocksource: add enable() and disable() callbacks
X-Git-Tag: v2.6.30-rc3~29
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4614e6adafa2c5e6c3a9c245af2807fa7bc5117a;p=pandora-kernel.git

clocksource: add enable() and disable() callbacks

Add enable() and disable() callbacks for clocksources.

This allows us to put unused clocksources in power save mode.  The
functions clocksource_enable() and clocksource_disable() wrap the
callbacks and are inserted in the timekeeping code to enable before use
and disable after switching to a new clocksource.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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