hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>
This commit is contained in:
Venu Byravarasu 2012-03-23 15:02:33 -07:00 committed by Linus Torvalds
parent f7439bcb74
commit 94a339d016
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/rtc/rtc-twl.c
View File

@ -384,7 +384,7 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
else else
events |= RTC_IRQF | RTC_UF; 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); REG_RTC_STATUS_REG);
if (res) if (res)
goto out; goto out;