The patch titled
Subject: drivers/rtc/rtc-da9052.c: add constraints to set valid year
has been added to the -mm tree. Its filename is
rtc-da9052-add-constraints-to-set-valid-year.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/rtc-da9052-add-constraints-to-set-valid-year.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/rtc-da9052-add-constraints-to-set-valid-year.patch
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------------------------------------------------------
From: Adam Ward <adam.ward.opensource@xxxxxxxxxxx>
Subject: drivers/rtc/rtc-da9052.c: add constraints to set valid year
Signed-off-by: Adam Ward <adam.ward.opensource@xxxxxxxxxxx>
Tested-by: Adam Ward <adam.ward.opensource@xxxxxxxxxxx>
Cc: Alessandro Zummo <a.zummo@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/rtc/rtc-da9052.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff -puN drivers/rtc/rtc-da9052.c~rtc-da9052-add-constraints-to-set-valid-year drivers/rtc/rtc-da9052.c
--- a/drivers/rtc/rtc-da9052.c~rtc-da9052-add-constraints-to-set-valid-year
+++ a/drivers/rtc/rtc-da9052.c
@@ -206,6 +206,10 @@ static int da9052_rtc_set_time(struct de
uint8_t v[6];
int ret;
+ /* DA9052 only has 6 bits for year - to represent 2000-2063 */
+ if ((tm->tm_year < 100) || (tm->tm_year > 163))
+ return -EINVAL;
+
rtc = dev_get_drvdata(dev);
v[0] = tm->tm_sec;
@@ -243,6 +247,10 @@ static int da9052_rtc_set_alarm(struct d
struct rtc_time *tm = &alrm->time;
struct da9052_rtc *rtc = dev_get_drvdata(dev);
+ /* DA9052 only has 6 bits for year - to represent 2000-2063 */
+ if ((tm->tm_year < 100) || (tm->tm_year > 163))
+ return -EINVAL;
+
ret = da9052_rtc_enable_alarm(rtc, 0);
if (ret < 0)
return ret;
_
Patches currently in -mm which might be from adam.ward.opensource@xxxxxxxxxxx are
rtc-da9052-add-extra-reads-with-timeouts-to-avoid-returning-partially-updated-values.patch
rtc-da9052-add-constraints-to-set-valid-year.patch
rtc-da9052-register-ability-of-alarm-to-wake-device-from-suspend.patch
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