Commit 94a339d0 authored Mar 23, 2012 by Venu Byravarasu Committed by Linus Torvalds Mar 23, 2012

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>

parent f7439bcb

drivers/rtc/rtc-twl.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;