From: John Stultz <john.stultz@linaro.org>
Date: Wed, 10 Aug 2011 19:41:36 +0000 (-0700)
Subject: alarmtimers: Add try_to_cancel functionality
X-Git-Tag: v3.2-rc1~160^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9082c465a5403f4a98734193e078552991a2e283;p=pandora-kernel.git

alarmtimers: Add try_to_cancel functionality

There's a number of edge cases when cancelling a alarm, so
to be sure we accurately do so, introduce try_to_cancel, which
returns proper failure errors if it cannot. Also modify cancel
to spin until the alarm is properly disabled.

CC: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
---

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