From: Venu Byravarasu <vbyravarasu@nvidia.com>
Date: Fri, 23 Mar 2012 22:02:32 +0000 (-0700)
Subject: drivers/rtc/rtc-twl.c: optimize IRQ bit access
X-Git-Tag: v3.4-rc1~109^2~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ce9f650636d310e4c8febc821b0038e9918a12db;p=pandora-kernel.git

drivers/rtc/rtc-twl.c: optimize IRQ bit access

As the TWL RTC driver has a cached copy of enabled RTC interrupt bits in
variable rtc_irq_bits, that can be checked before really setting or
masking any of the interrupt bits.

Signed-off-by: Venu Byravarasu <vbyravarasu@nvidia.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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