diff options
Diffstat (limited to 'src/soc/mediatek/common/rtc.c')
| -rw-r--r-- | src/soc/mediatek/common/rtc.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/soc/mediatek/common/rtc.c b/src/soc/mediatek/common/rtc.c index a9142b612d..fe252b5d64 100644 --- a/src/soc/mediatek/common/rtc.c +++ b/src/soc/mediatek/common/rtc.c @@ -91,12 +91,15 @@ int rtc_xosc_write(u16 val) u16 bbpu; rtc_write(RTC_OSC32CON, RTC_OSC32CON_UNLOCK1); - udelay(200); + if (!rtc_busy_wait()) + return 0; rtc_write(RTC_OSC32CON, RTC_OSC32CON_UNLOCK2); - udelay(200); + if (!rtc_busy_wait()) + return 0; rtc_write(RTC_OSC32CON, val); - udelay(200); + if (!rtc_busy_wait()) + return 0; rtc_read(RTC_BBPU, &bbpu); bbpu |= RTC_BBPU_KEY | RTC_BBPU_RELOAD; |