diff options
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-pcf85063.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index e8ddbb359d11..437638eb68a7 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -55,10 +55,6 @@ static int pcf85063_stop_clock(struct i2c_client *client, u8 *ctrl1) return 0; } -/* - * In the routines that deal directly with the pcf85063 hardware, we use - * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch. - */ static int pcf85063_get_datetime(struct i2c_client *client, struct rtc_time *tm) { int rc; @@ -90,8 +86,7 @@ static int pcf85063_get_datetime(struct i2c_client *client, struct rtc_time *tm) tm->tm_wday = regs[4] & 0x07; tm->tm_mon = bcd2bin(regs[5] & 0x1F) - 1; /* rtc mn 1-12 */ tm->tm_year = bcd2bin(regs[6]); - if (tm->tm_year < 70) - tm->tm_year += 100; /* assume we are in 1970...2069 */ + tm->tm_year += 100; return rtc_valid_tm(tm); } @@ -101,6 +96,9 @@ static int pcf85063_set_datetime(struct i2c_client *client, struct rtc_time *tm) int rc; u8 regs[8]; + if ((tm->tm_year < 100) || (tm->tm_year > 199)) + return -EINVAL; + /* * to accurately set the time, reset the divider chain and keep it in * reset state until all time/date registers are written @@ -125,7 +123,7 @@ static int pcf85063_set_datetime(struct i2c_client *client, struct rtc_time *tm) regs[5] = bin2bcd(tm->tm_mon + 1); /* year and century */ - regs[6] = bin2bcd(tm->tm_year % 100); + regs[6] = bin2bcd(tm->tm_year - 100); /* * after all time/date registers are written, let the 'address auto |