From: Xunlei Pang <pang.xun...@linaro.org>
The driver uses deprecated rtc_tm_to_time() and rtc_time_to_tm(),
which will overflow in year 2106 on 32-bit machines.
This patch solves this by:
- Replacing rtc_tm_to_time() with rtc_tm_to_time64()
- Replacing rtc_time_to_tm() with rtc_time64_to_tm()
Cc: CIH <c...@coventive.com>
Cc: Nicolas Pitre <n...@fluxnic.net>
Cc: Andrew Christian <andrew.christ...@hp.com>
Cc: Richard Purdie <rpur...@rpsys.net>
Signed-off-by: Xunlei Pang <pang.xun...@linaro.org>
---
drivers/rtc/rtc-sa1100.c | 21 +++++----------------
1 file changed, 5 insertions(+), 16 deletions(-)
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index b6e1ca0..625a320 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -157,19 +157,14 @@ static int sa1100_rtc_alarm_irq_enable(struct device
*dev, unsigned int enabled)
static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- rtc_time_to_tm(RCNR, tm);
+ rtc_time64_to_tm(RCNR, tm);
return 0;
}
static int sa1100_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- unsigned long time;
- int ret;
-
- ret = rtc_tm_to_time(tm, &time);
- if (ret == 0)
- RCNR = time;
- return ret;
+ RCNR = rtc_tm_to_time64(tm);
+ return 0;
}
static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
@@ -185,23 +180,17 @@ static int sa1100_rtc_read_alarm(struct device *dev,
struct rtc_wkalrm *alrm)
static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
struct sa1100_rtc *info = dev_get_drvdata(dev);
- unsigned long time;
- int ret;
spin_lock_irq(&info->lock);
- ret = rtc_tm_to_time(&alrm->time, &time);
- if (ret != 0)
- goto out;
RTSR = RTSR & (RTSR_HZE|RTSR_ALE|RTSR_AL);
- RTAR = time;
+ RTAR = rtc_tm_to_time64(&alrm->time);
if (alrm->enabled)
RTSR |= RTSR_ALE;
else
RTSR &= ~RTSR_ALE;
-out:
spin_unlock_irq(&info->lock);
- return ret;
+ return 0;
}
static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq)
--
1.9.1
--
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