diff options
| author | Chris Packham <judge.packham@gmail.com> | 2018-03-21 15:40:33 +1300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2018-04-06 20:45:44 -0400 |
| commit | c1a2afa4082b4dd84ceb1754f1452c9529d6f390 (patch) | |
| tree | 41687e1ebece3765b676d366c7028b1bf5083df8 /drivers/rtc | |
| parent | 476c2fcd2889442a47176718e170c67a93e2126a (diff) | |
rtc: ds1307: remove redundant code in rtc_reset
As of commit 1a1fa2406689 ("rtc: Set valid date after reset") the
command "date reset" will set the date/time to 2000-01-01 0:00:00 after
calling rtc_reset(). This means that the ds1307 implementation of
rtc_reset() doesn't need to call rtc_set().
Signed-off-by: Chris Packham <judge.packham@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/ds1307.c | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/drivers/rtc/ds1307.c b/drivers/rtc/ds1307.c index 5df15c7fd6..5e74b93b72 100644 --- a/drivers/rtc/ds1307.c +++ b/drivers/rtc/ds1307.c @@ -184,25 +184,8 @@ int rtc_set (struct rtc_time *tmp) */ void rtc_reset (void) { - struct rtc_time tmp; - rtc_write (RTC_SEC_REG_ADDR, 0x00); /* clearing Clock Halt */ rtc_write (RTC_CTL_REG_ADDR, RTC_CTL_BIT_SQWE | RTC_CTL_BIT_RS1 | RTC_CTL_BIT_RS0); - - tmp.tm_year = 1970; - tmp.tm_mon = 1; - tmp.tm_mday= 1; - tmp.tm_hour = 0; - tmp.tm_min = 0; - tmp.tm_sec = 0; - - rtc_set(&tmp); - - printf ( "RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); - - return; } @@ -321,14 +304,6 @@ read_rtc: static int ds1307_rtc_reset(struct udevice *dev) { int ret; - struct rtc_time tmp = { - .tm_year = 1970, - .tm_mon = 1, - .tm_mday = 1, - .tm_hour = 0, - .tm_min = 0, - .tm_sec = 0, - }; /* clear Clock Halt */ ret = dm_i2c_reg_write(dev, RTC_SEC_REG_ADDR, 0x00); @@ -340,14 +315,6 @@ static int ds1307_rtc_reset(struct udevice *dev) if (ret < 0) return ret; - ret = ds1307_rtc_set(dev, &tmp); - if (ret < 0) - return ret; - - debug("RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", - tmp.tm_year, tmp.tm_mon, tmp.tm_mday, - tmp.tm_hour, tmp.tm_min, tmp.tm_sec); - return 0; } |