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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2005-04-30 12:19:28 +0100
committerRussell King <rmk@dyn-67.arm.linux.org.uk>2005-04-30 12:19:28 +0100
commitd5aa207e46ff7ee838683a7d95ecf46fe42a9a56 (patch)
tree2fe7cf50bb45a3ca94f095695bab5414fa56c1f3 /arch/arm/mach-integrator
parenta6ad57fb4b5e9d68553f4440377b99f75588fa88 (diff)
downloadop-kernel-dev-d5aa207e46ff7ee838683a7d95ecf46fe42a9a56.zip
op-kernel-dev-d5aa207e46ff7ee838683a7d95ecf46fe42a9a56.tar.gz
[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>
Diffstat (limited to 'arch/arm/mach-integrator')
-rw-r--r--arch/arm/mach-integrator/time.c17
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
index 20729de..1a844ca 100644
--- a/arch/arm/mach-integrator/time.c
+++ b/arch/arm/mach-integrator/time.c
@@ -40,25 +40,32 @@ static int integrator_set_rtc(void)
return 1;
}
-static void rtc_read_alarm(struct rtc_wkalrm *alrm)
+static int rtc_read_alarm(struct rtc_wkalrm *alrm)
{
rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time);
+ return 0;
}
-static int rtc_set_alarm(struct rtc_wkalrm *alrm)
+static inline int rtc_set_alarm(struct rtc_wkalrm *alrm)
{
unsigned long time;
int ret;
- ret = rtc_tm_to_time(&alrm->time, &time);
+ /*
+ * At the moment, we can only deal with non-wildcarded alarm times.
+ */
+ ret = rtc_valid_tm(&alrm->time);
+ if (ret == 0)
+ ret = rtc_tm_to_time(&alrm->time, &time);
if (ret == 0)
writel(time, rtc_base + RTC_MR);
return ret;
}
-static void rtc_read_time(struct rtc_time *tm)
+static int rtc_read_time(struct rtc_time *tm)
{
rtc_time_to_tm(readl(rtc_base + RTC_DR), tm);
+ return 0;
}
/*
@@ -69,7 +76,7 @@ static void rtc_read_time(struct rtc_time *tm)
* edge of the 1Hz clock, we must write the time one second
* in advance.
*/
-static int rtc_set_time(struct rtc_time *tm)
+static inline int rtc_set_time(struct rtc_time *tm)
{
unsigned long time;
int ret;
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