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drivers/rtc/rtc-pxa.c: fix alarm not match issue

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Fix pxa rtc alarm issue by setting week of month and day of week in
rdar/rdcr or it would not match.

Signed-off-by: Leo Song <liangs@marvell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Leo Song 2013-02-21 16:44:23 -08:00 committed by Linus Torvalds
parent 01a4ca16c8
commit c4243de70f
1 changed files with 10 additions and 1 deletions
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11
drivers/rtc/rtc-pxa.c
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@ -62,6 +62,10 @@
#define RYxR_MONTH_S 5
#define RYxR_MONTH_MASK (0xf << RYxR_MONTH_S)
#define RYxR_DAY_MASK 0x1f
#define RDxR_WOM_S 20
#define RDxR_WOM_MASK (0x7 << RDxR_WOM_S)
#define RDxR_DOW_S 17
#define RDxR_DOW_MASK (0x7 << RDxR_DOW_S)
#define RDxR_HOUR_S 12
#define RDxR_HOUR_MASK (0x1f << RDxR_HOUR_S)
#define RDxR_MIN_S 6
@ -91,6 +95,7 @@ struct pxa_rtc {
spinlock_t lock; /* Protects this structure */
};
static u32 ryxr_calc(struct rtc_time *tm)
{
return ((tm->tm_year + 1900) << RYxR_YEAR_S)
@ -100,7 +105,10 @@ static u32 ryxr_calc(struct rtc_time *tm)
static u32 rdxr_calc(struct rtc_time *tm)
{
return (tm->tm_hour << RDxR_HOUR_S) | (tm->tm_min << RDxR_MIN_S)
return ((((tm->tm_mday + 6) / 7) << RDxR_WOM_S) & RDxR_WOM_MASK)
| (((tm->tm_wday + 1) << RDxR_DOW_S) & RDxR_DOW_MASK)
| (tm->tm_hour << RDxR_HOUR_S)
| (tm->tm_min << RDxR_MIN_S)
| tm->tm_sec;
}
@ -109,6 +117,7 @@ static void tm_calc(u32 rycr, u32 rdcr, struct rtc_time *tm)
tm->tm_year = ((rycr & RYxR_YEAR_MASK) >> RYxR_YEAR_S) - 1900;
tm->tm_mon = (((rycr & RYxR_MONTH_MASK) >> RYxR_MONTH_S)) - 1;
tm->tm_mday = (rycr & RYxR_DAY_MASK);
tm->tm_wday = ((rycr & RDxR_DOW_MASK) >> RDxR_DOW_S) - 1;
tm->tm_hour = (rdcr & RDxR_HOUR_MASK) >> RDxR_HOUR_S;
tm->tm_min = (rdcr & RDxR_MIN_MASK) >> RDxR_MIN_S;
tm->tm_sec = rdcr & RDxR_SEC_MASK;