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-rw-r--r--drivers/rtc/rtc-max77686.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index d84a50c9f7f7..025a17a95da3 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -41,7 +41,7 @@
#define ALARM_ENABLE_SHIFT 7
#define ALARM_ENABLE_MASK (1 << ALARM_ENABLE_SHIFT)
-#define MAX77686_RTC_UPDATE_DELAY 16
+#define MAX77686_RTC_UPDATE_DELAY 16000
enum {
RTC_SEC = 0,
@@ -130,7 +130,8 @@ static int max77686_rtc_update(struct max77686_rtc_info *info,
__func__, ret, data);
else {
/* Minimum 16ms delay required before RTC update. */
- msleep(MAX77686_RTC_UPDATE_DELAY);
+ usleep_range(MAX77686_RTC_UPDATE_DELAY,
+ MAX77686_RTC_UPDATE_DELAY * 2);
}
return ret;