1 files changed, 6 insertions, 5 deletions

diff --git a/drivers/rtc/rtc-vt8500.c b/drivers/rtc/rtc-vt8500.c
index fd1418750ac..00c930f4b6f 100644
--- a/drivers/rtc/rtc-vt8500.c
+++ b/drivers/rtc/rtc-vt8500.c
@@ -70,7 +70,7 @@
                                 | ALARM_SEC_BIT)
 
 #define VT8500_RTC_CR_ENABLE    (1 << 0)        /* Enable RTC */
-#define VT8500_RTC_CR_24H       (1 << 1)        /* 24h time format */
+#define VT8500_RTC_CR_12H       (1 << 1)        /* 12h time format */
 #define VT8500_RTC_CR_SM_ENABLE (1 << 2)        /* Enable periodic irqs */
 #define VT8500_RTC_CR_SM_SEC    (1 << 3)        /* 0: 1Hz/60, 1: 1Hz */
 #define VT8500_RTC_CR_CALIB     (1 << 4)        /* Enable calibration */
@@ -119,7 +119,7 @@ static int vt8500_rtc_read_time(struct device *dev, struct rtc_time *tm)
         tm->tm_min = bcd2bin((time & TIME_MIN_MASK) >> TIME_MIN_S);
         tm->tm_hour = bcd2bin((time & TIME_HOUR_MASK) >> TIME_HOUR_S);
         tm->tm_mday = bcd2bin(date & DATE_DAY_MASK);
-        tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S);
+        tm->tm_mon = bcd2bin((date & DATE_MONTH_MASK) >> DATE_MONTH_S) - 1;
         tm->tm_year = bcd2bin((date & DATE_YEAR_MASK) >> DATE_YEAR_S)
                         + ((date >> DATE_CENTURY_S) & 1 ? 200 : 100);
         tm->tm_wday = (time & TIME_DOW_MASK) >> TIME_DOW_S;
@@ -138,8 +138,9 @@ static int vt8500_rtc_set_time(struct device *dev, struct rtc_time *tm)
         }
 
         writel((bin2bcd(tm->tm_year - 100) << DATE_YEAR_S)
-                | (bin2bcd(tm->tm_mon) << DATE_MONTH_S)
-                | (bin2bcd(tm->tm_mday)),
+                | (bin2bcd(tm->tm_mon + 1) << DATE_MONTH_S)
+                | (bin2bcd(tm->tm_mday))
+                | ((tm->tm_year >= 200) << DATE_CENTURY_S),
                 vt8500_rtc->regbase + VT8500_RTC_DS);
         writel((bin2bcd(tm->tm_wday) << TIME_DOW_S)
                 | (bin2bcd(tm->tm_hour) << TIME_HOUR_S)
@@ -247,7 +248,7 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
         }
 
         /* Enable RTC and set it to 24-hour mode */
-        writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H,
+        writel(VT8500_RTC_CR_ENABLE,
                vt8500_rtc->regbase + VT8500_RTC_CR);
 
         vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,