diff options
| author |   Leo Song <liangs@marvell.com> | 2013-02-21 16:44:23 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:27 -0800 |
| commit | c4243de70f7d536d95196b8a31539298bb15238c (patch) | |
| tree | ea421ac613dfc7dc7c5cfc3330f71921b7f8d0e6 /drivers/rtc | |
| parent | drivers/rtc: dump small buffers via %*ph (diff) | |
| download | linux-dev-c4243de70f7d536d95196b8a31539298bb15238c.tar.xz linux-dev-c4243de70f7d536d95196b8a31539298bb15238c.zip | |
drivers/rtc/rtc-pxa.c: fix alarm not match issue
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>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-pxa.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c index f771b2ee4b18..2695e556f141 100644 --- a/drivers/rtc/rtc-pxa.c +++ b/drivers/rtc/rtc-pxa.c @@ -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; |