X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Frtc%2Frtc-sa1100.c;h=66a9bb85bbe8698e2b7234b4d26f4b13ef3d52d0;hb=f96411ab73647ebf9485d77546c0c1f554bafcd7;hp=ee253cc45de1e1b1ed0df26ce7c3e73d243b30b2;hpb=f618258ad8af0413f08af60bd0eb050562e700fa;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c index ee253cc..66a9bb8 100644 --- a/drivers/rtc/rtc-sa1100.c +++ b/drivers/rtc/rtc-sa1100.c @@ -31,12 +31,11 @@ #include #include -#include +#include #include -#include #ifdef CONFIG_ARCH_PXA -#include +#include #endif #define TIMER_FREQ CLOCK_TICK_RATE @@ -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; @@ -331,14 +366,14 @@ static int sa1100_rtc_probe(struct platform_device *pdev) RCNR = 0; } + device_init_wakeup(&pdev->dev, 1); + rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops, THIS_MODULE); if (IS_ERR(rtc)) return PTR_ERR(rtc); - device_init_wakeup(&pdev->dev, 1); - platform_set_drvdata(pdev, rtc); return 0; @@ -399,3 +434,4 @@ module_exit(sa1100_rtc_exit); MODULE_AUTHOR("Richard Purdie "); MODULE_DESCRIPTION("SA11x0/PXA2xx Realtime Clock Driver (RTC)"); MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:sa1100-rtc");