diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/rtc/rtc-s3c.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index aacbfea98678..2c7de79c83b9 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) | |||
153 | static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm) | 153 | static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm) |
154 | { | 154 | { |
155 | void __iomem *base = s3c_rtc_base; | 155 | void __iomem *base = s3c_rtc_base; |
156 | int year = tm->tm_year - 100; | ||
156 | 157 | ||
157 | /* the rtc gets round the y2k problem by just not supporting it */ | 158 | pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", |
159 | tm->tm_year, tm->tm_mon, tm->tm_mday, | ||
160 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
161 | |||
162 | /* we get around y2k by simply not supporting it */ | ||
158 | 163 | ||
159 | if (tm->tm_year > 100) { | 164 | if (year < 0 || year >= 100) { |
160 | dev_err(dev, "rtc only supports 100 years\n"); | 165 | dev_err(dev, "rtc only supports 100 years\n"); |
161 | return -EINVAL; | 166 | return -EINVAL; |
162 | } | 167 | } |
163 | 168 | ||
164 | pr_debug("set time %02d.%02d.%02d %02d/%02d/%02d\n", | ||
165 | tm->tm_year, tm->tm_mon, tm->tm_mday, | ||
166 | tm->tm_hour, tm->tm_min, tm->tm_sec); | ||
167 | |||
168 | writeb(BIN2BCD(tm->tm_sec), base + S3C2410_RTCSEC); | 169 | writeb(BIN2BCD(tm->tm_sec), base + S3C2410_RTCSEC); |
169 | writeb(BIN2BCD(tm->tm_min), base + S3C2410_RTCMIN); | 170 | writeb(BIN2BCD(tm->tm_min), base + S3C2410_RTCMIN); |
170 | writeb(BIN2BCD(tm->tm_hour), base + S3C2410_RTCHOUR); | 171 | writeb(BIN2BCD(tm->tm_hour), base + S3C2410_RTCHOUR); |
171 | writeb(BIN2BCD(tm->tm_mday), base + S3C2410_RTCDATE); | 172 | writeb(BIN2BCD(tm->tm_mday), base + S3C2410_RTCDATE); |
172 | writeb(BIN2BCD(tm->tm_mon + 1), base + S3C2410_RTCMON); | 173 | writeb(BIN2BCD(tm->tm_mon + 1), base + S3C2410_RTCMON); |
173 | writeb(BIN2BCD(tm->tm_year - 100), base + S3C2410_RTCYEAR); | 174 | writeb(BIN2BCD(year), base + S3C2410_RTCYEAR); |
174 | 175 | ||
175 | return 0; | 176 | return 0; |
176 | } | 177 | } |