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authorVenu Byravarasu <vbyravarasu@nvidia.com>2012-03-23 15:02:33 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-03-23 16:58:39 -0700
commit94a339d016e26f96a1bd9e08306c857825c91a66 (patch)
tree1f1fcdfbb741b6821b2f26d1f4c0442e03ac3f3d /drivers/rtc/rtc-twl.c
parentf7439bcb74aca4234fedc336a21e169e6e33bb2e (diff)
downloadvexpress-lsk-94a339d016e26f96a1bd9e08306c857825c91a66.tar.gz
drivers/rtc/rtc-twl.c: simplify RTC interrupt clearing
For clearing RTC interrupt, programming ALARM bit only is sufficient, as all other bits are any way not affected by writing 0 to them. Hence removed unwanted OR operation. 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>
Diffstat (limited to 'drivers/rtc/rtc-twl.c')
-rw-r--r--drivers/rtc/rtc-twl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index 18e4c0138a4..cedb6c145fc 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -384,7 +384,7 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
else
events |= RTC_IRQF | RTC_UF;
- res = twl_rtc_write_u8(rd_reg | BIT_RTC_STATUS_REG_ALARM_M,
+ res = twl_rtc_write_u8(BIT_RTC_STATUS_REG_ALARM_M,
REG_RTC_STATUS_REG);
if (res)
goto out;