diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-04-20 12:30:41 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-05-22 14:56:40 +0100 |
| commit | 797276ec9e4d2ee210e11068a2ce815394fe8c58 (patch) | |
| tree | d97f8f1725d51adce785b51f508dafb582ee8265 /drivers/rtc | |
| parent | 7da285b626860eb6d35e08ae33eba90f0e83ad58 (diff) | |
[RTC] rtc-sa1100: remove dependence on asm/rtc.h
Move the two functions rtc-sa1100 wants from the old ARM RTC library
into the rtc-sa1100 driver.
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/rtc')
| -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 82f62d25f921..e31a687b44b9 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; |