[PATCH] ARM: RTC: allow driver methods to return error

Allow RTC drivers to return error codes from their read_time
or read_alarm methods.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>

1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index 8e61be34a1d3..ed867db550a9 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -116,7 +116,7 @@ static void s3c2410_rtc_setfreq(int freq)
 
 /* Time read/write */
 
-static void s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
+static int s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
 {
         unsigned int have_retried = 0;
 
@@ -151,6 +151,8 @@ static void s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
 
         rtc_tm->tm_year += 100;
         rtc_tm->tm_mon -= 1;
+
+        return 0;
 }
 
 
@@ -171,7 +173,7 @@ static int s3c2410_rtc_settime(struct rtc_time *tm)
         return 0;
 }
 
-static void s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
+static int s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
 {
         struct rtc_time *alm_tm = &alrm->time;
         unsigned int alm_en;
@@ -231,6 +233,8 @@ static void s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
         }
 
         /* todo - set alrm->enabled ? */
+
+        return 0;
 }
 
 static int s3c2410_rtc_setalarm(struct rtc_wkalrm *alrm)