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authorMagnus Damm <damm@igel.co.jp>2009-04-21 12:24:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 13:41:47 -0700
commit4614e6adafa2c5e6c3a9c245af2807fa7bc5117a (patch)
treee4bb5eeaa252ede053abc6b3c4d15c4127ce7a32 /drivers/char
parent8e19608e8b5c001e4a66ce482edc474f05fb7355 (diff)
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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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