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rtc: fix the error in the function of cmos_set_alarm

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There is a bug in the function of cmos_set_alarm.  RTC alarm time for October
can't be set correctly.

For October: 0x0A will be written into the RTC region (MONTH_ALARM) in current
kernel.  But in fact 0x10 should be written.  Wildcards are also not handled
correctly.

Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Zhao Yakui 2008-04-15 14:34:29 -07:00 committed by Linus Torvalds
parent bc65c724d5
commit 2b653e06ce
1 changed files with 2 additions and 3 deletions
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5
drivers/rtc/rtc-cmos.c
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@ -198,9 +198,8 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
/* Writing 0xff means "don't care" or "match all". */
mon = t->time.tm_mon;
mon = (mon < 12) ? BIN2BCD(mon) : 0xff;
mon++;
mon = t->time.tm_mon + 1;
mon = (mon <= 12) ? BIN2BCD(mon) : 0xff;
mday = t->time.tm_mday;
mday = (mday >= 1 && mday <= 31) ? BIN2BCD(mday) : 0xff;