diff options
Diffstat (limited to 'drivers/rtc/rtc-ab.c')
| -rw-r--r-- | drivers/rtc/rtc-ab.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-ab.c b/drivers/rtc/rtc-ab.c index 3d3c216995d..8e595e05d99 100644 --- a/drivers/rtc/rtc-ab.c +++ b/drivers/rtc/rtc-ab.c @@ -141,8 +141,8 @@ static unsigned long ab5500_rtc_regs_to_time(struct device *dev, u8 *regs) { u64 fat_time = ((u64)regs[5] << 40) | ((u64)regs[4] << 32) | - (regs[3] << 24) | (regs[2] << 16) | - (regs[1] << 8) | regs[0]; + ((u64)regs[3] << 24) | ((u64)regs[2] << 16) | + ((u64)regs[1] << 8) | regs[0]; unsigned long secs = (fat_time & 0x1fffff) / AB5500_RTC_CLOCK_RATE; unsigned long mins = fat_time >> 21; @@ -170,7 +170,9 @@ ab5500_rtc_alarm_to_regs(struct device *dev, unsigned long secs, u8 *regs) static unsigned long ab5500_rtc_regs_to_alarm(struct device *dev, u8 *regs) { - unsigned long mins = (regs[2] << 16) | (regs[1] << 8) | regs[0]; + unsigned long mins = ((unsigned long)regs[2] << 16) | + ((unsigned long)regs[1] << 8) | + regs[0]; unsigned long secs = mins * 60; return secs; |