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path: root/drivers/rtc/rtc-s3c.c
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Diffstat (limited to 'drivers/rtc/rtc-s3c.c')
-rw-r--r--drivers/rtc/rtc-s3c.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index aacbfea9867..2c7de79c83b 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -153,24 +153,25 @@ static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
{
void __iomem *base = s3c_rtc_base;
+ int year = tm->tm_year - 100;
- /* the rtc gets round the y2k problem by just not supporting it */
+ pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n",
+ tm->tm_year, tm->tm_mon, tm->tm_mday,
+ tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+ /* we get around y2k by simply not supporting it */
- if (tm->tm_year > 100) {
+ if (year < 0 || year >= 100) {
dev_err(dev, "rtc only supports 100 years\n");
return -EINVAL;
}
- pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n",
- tm->tm_year, tm->tm_mon, tm->tm_mday,
- tm->tm_hour, tm->tm_min, tm->tm_sec);
-
writeb(BIN2BCD(tm->tm_sec), base + S3C2410_RTCSEC);
writeb(BIN2BCD(tm->tm_min), base + S3C2410_RTCMIN);
writeb(BIN2BCD(tm->tm_hour), base + S3C2410_RTCHOUR);
writeb(BIN2BCD(tm->tm_mday), base + S3C2410_RTCDATE);
writeb(BIN2BCD(tm->tm_mon + 1), base + S3C2410_RTCMON);
- writeb(BIN2BCD(tm->tm_year - 100), base + S3C2410_RTCYEAR);
+ writeb(BIN2BCD(year), base + S3C2410_RTCYEAR);
return 0;
}