1 files changed, 16 insertions, 4 deletions

diff --git a/drivers/rtc/rtc-pcf85363.c b/drivers/rtc/rtc-pcf85363.c
index 3fa5bda59987..c04a1edcd571 100644
--- a/drivers/rtc/rtc-pcf85363.c
+++ b/drivers/rtc/rtc-pcf85363.c
@@ -106,6 +106,10 @@
 #define PIN_IO_INTA_OUT 2
 #define PIN_IO_INTA_HIZ 3
 
+#define STOP_EN_STOP    BIT(0)
+
+#define RESET_CPR       0xa4
+
 #define NVRAM_SIZE      0x40
 
 static struct i2c_driver pcf85363_driver;
@@ -148,8 +152,12 @@ static int pcf85363_rtc_read_time(struct device *dev, struct rtc_time *tm)
 static int pcf85363_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
         struct pcf85363 *pcf85363 = dev_get_drvdata(dev);
-        unsigned char buf[DT_YEARS + 1];
-        int len = sizeof(buf);
+        unsigned char tmp[11];
+        unsigned char *buf = &tmp[2];
+        int ret;
+
+        tmp[0] = STOP_EN_STOP;
+        tmp[1] = RESET_CPR;
 
         buf[DT_100THS] = 0;
         buf[DT_SECS] = bin2bcd(tm->tm_sec);
@@ -160,8 +168,12 @@ static int pcf85363_rtc_set_time(struct device *dev, struct rtc_time *tm)
         buf[DT_MONTHS] = bin2bcd(tm->tm_mon + 1);
         buf[DT_YEARS] = bin2bcd(tm->tm_year % 100);
 
-        return regmap_bulk_write(pcf85363->regmap, DT_100THS,
-                                 buf, len);
+        ret = regmap_bulk_write(pcf85363->regmap, CTRL_STOP_EN,
+                                tmp, sizeof(tmp));
+        if (ret)
+                return ret;
+
+        return regmap_write(pcf85363->regmap, CTRL_STOP_EN, 0);
 }
 
 static int pcf85363_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)