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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-03-04 20:13:13 +0000 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2007-03-04 20:13:13 +0000 |
| commit | 0ed8f210e68236f2034f827596f0a8201a907a9f (patch) | |
| tree | 4e33c0ecdcb9d3abbf4643df2890faad3beaa425 /drivers/rtc/rtc-pcf8583.c | |
| parent | [ARM] rtc-pcf8583: don't use BCD_TO_BIN/BIN_TO_BCD (diff) | |
| download | linux-dev-0ed8f210e68236f2034f827596f0a8201a907a9f.tar.xz linux-dev-0ed8f210e68236f2034f827596f0a8201a907a9f.zip | |
[ARM] rtc-pcf8583: correct month and year offsets
No, today is not 4th April 3907, it's 4th March 2007.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/rtc/rtc-pcf8583.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf8583.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/rtc/rtc-pcf8583.c b/drivers/rtc/rtc-pcf8583.c index a69db6185530..a33a2d69859c 100644 --- a/drivers/rtc/rtc-pcf8583.c +++ b/drivers/rtc/rtc-pcf8583.c @@ -85,7 +85,7 @@ static int pcf8583_get_datetime(struct i2c_client *client, struct rtc_time *dt) dt->tm_min = BCD2BIN(buf[2]); dt->tm_hour = BCD2BIN(buf[3]); dt->tm_mday = BCD2BIN(buf[4]); - dt->tm_mon = BCD2BIN(buf[5]); + dt->tm_mon = BCD2BIN(buf[5]) - 1; } return ret == 2 ? 0 : -EIO; @@ -106,7 +106,7 @@ static int pcf8583_set_datetime(struct i2c_client *client, struct rtc_time *dt, if (datetoo) { len = 8; buf[6] = BIN2BCD(dt->tm_mday) | (dt->tm_year << 6); - buf[7] = BIN2BCD(dt->tm_mon) | (dt->tm_wday << 5); + buf[7] = BIN2BCD(dt->tm_mon + 1) | (dt->tm_wday << 5); } ret = i2c_master_send(client, (char *)buf, len); @@ -226,7 +226,7 @@ static int pcf8583_rtc_read_time(struct device *dev, struct rtc_time *tm) */ year_offset += 4; - tm->tm_year = real_year + year_offset + year[1] * 100; + tm->tm_year = (real_year + year_offset + year[1] * 100) - 1900; return 0; } @@ -237,6 +237,7 @@ static int pcf8583_rtc_set_time(struct device *dev, struct rtc_time *tm) unsigned char year[2], chk; struct rtc_mem cmos_year = { CMOS_YEAR, sizeof(year), year }; struct rtc_mem cmos_check = { CMOS_CHECKSUM, 1, &chk }; + unsigned int proper_year = tm->tm_year + 1900; int ret; /* @@ -258,8 +259,8 @@ static int pcf8583_rtc_set_time(struct device *dev, struct rtc_time *tm) chk -= year[1] + year[0]; - year[1] = tm->tm_year / 100; - year[0] = tm->tm_year % 100; + year[1] = proper_year / 100; + year[0] = proper_year % 100; chk += year[1] + year[0]; |