diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 15:44:51 +1000 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-15 15:44:51 +1000 |
commit | 43d2548bb2ef7e6d753f91468a746784041e522d (patch) | |
tree | 77d13fcd48fd998393abb825ec36e2b732684a73 /drivers/rtc/rtc-sa1100.c | |
parent | 585583d95c5660973bc0cf64add517b040acd8a4 (diff) | |
parent | 85082fd7cbe3173198aac0eb5e85ab1edcc6352c (diff) |
Merge commit '85082fd7cbe3173198aac0eb5e85ab1edcc6352c' into test-build
Manual fixup of:
arch/powerpc/Kconfig
Diffstat (limited to 'drivers/rtc/rtc-sa1100.c')
-rw-r--r-- | drivers/rtc/rtc-sa1100.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index 67421b0d3a7..f47294c6014 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -33,7 +33,6 @@ #include <asm/hardware.h> #include <asm/irq.h> -#include <asm/rtc.h> #ifdef CONFIG_ARCH_PXA #include <asm/arch/pxa-regs.h> @@ -47,6 +46,42 @@ static unsigned long rtc_freq = 1024; static struct rtc_time rtc_alarm; static DEFINE_SPINLOCK(sa1100_rtc_lock); +static inline int rtc_periodic_alarm(struct rtc_time *tm) +{ + return (tm->tm_year == -1) || + ((unsigned)tm->tm_mon >= 12) || + ((unsigned)(tm->tm_mday - 1) >= 31) || + ((unsigned)tm->tm_hour > 23) || + ((unsigned)tm->tm_min > 59) || + ((unsigned)tm->tm_sec > 59); +} + +/* + * Calculate the next alarm time given the requested alarm time mask + * and the current time. + */ +static void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm) +{ + unsigned long next_time; + unsigned long now_time; + + next->tm_year = now->tm_year; + next->tm_mon = now->tm_mon; + next->tm_mday = now->tm_mday; + next->tm_hour = alrm->tm_hour; + next->tm_min = alrm->tm_min; + next->tm_sec = alrm->tm_sec; + + rtc_tm_to_time(now, &now_time); + rtc_tm_to_time(next, &next_time); + + if (next_time < now_time) { + /* Advance one day */ + next_time += 60 * 60 * 24; + rtc_time_to_tm(next_time, next); + } +} + static int rtc_update_alarm(struct rtc_time *alrm) { struct rtc_time alarm_tm, now_tm; |