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| author | Stefan Roese <sr@denx.de> | 2008-04-30 15:50:39 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2008-05-03 20:44:54 +0200 |
| commit | 0072b78be2b41e5a0ca3ddc39335574dc2e855bd (patch) | |
| tree | 1692f785e7be8ed342c26349850e2db39885bed4 /drivers/rtc/m41t62.c | |
| parent | 50f93d30dae3c5d888aa244d964ccd77be9b1c0c (diff) | |
| download | blackbird-obmc-uboot-0072b78be2b41e5a0ca3ddc39335574dc2e855bd.tar.gz blackbird-obmc-uboot-0072b78be2b41e5a0ca3ddc39335574dc2e855bd.zip | |
RTC: Fix month offset by one problem in M41T62 RTC driver
This patch fixes a problem with the month being read and written
incorrectly (offset by one). This only gets visible by also using
the Linux driver (rtc-m41t80).
Tested on AMCC Canyonlands.
Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'drivers/rtc/m41t62.c')
| -rw-r--r-- | drivers/rtc/m41t62.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/m41t62.c b/drivers/rtc/m41t62.c index cf2a9574a9..89d4ccdb2c 100644 --- a/drivers/rtc/m41t62.c +++ b/drivers/rtc/m41t62.c @@ -81,7 +81,7 @@ int rtc_get(struct rtc_time *tm) tm->tm_hour = BCD2BIN(buf[M41T62_REG_HOUR] & 0x3f); tm->tm_mday = BCD2BIN(buf[M41T62_REG_DAY] & 0x3f); tm->tm_wday = buf[M41T62_REG_WDAY] & 0x07; - tm->tm_mon = BCD2BIN(buf[M41T62_REG_MON] & 0x1f) - 1; + tm->tm_mon = BCD2BIN(buf[M41T62_REG_MON] & 0x1f); /* assume 20YY not 19YY, and ignore the Century Bit */ /* U-Boot needs to add 1900 here */ @@ -119,7 +119,7 @@ void rtc_set(struct rtc_time *tm) buf[M41T62_REG_DAY] = BIN2BCD(tm->tm_mday) | (buf[M41T62_REG_DAY] & ~0x3f); buf[M41T62_REG_MON] = - BIN2BCD(tm->tm_mon + 1) | (buf[M41T62_REG_MON] & ~0x1f); + BIN2BCD(tm->tm_mon) | (buf[M41T62_REG_MON] & ~0x1f); /* assume 20YY not 19YY */ buf[M41T62_REG_YEAR] = BIN2BCD(tm->tm_year % 100); |
