diff options
Diffstat (limited to 'drivers/rtc/rtc-bfin.c')
| -rw-r--r-- | drivers/rtc/rtc-bfin.c | 38 |
1 files changed, 8 insertions, 30 deletions
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index b4b6087f223..90d866272c8 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -20,9 +20,9 @@ * write would be discarded and things quickly fall apart. * * To keep this delay from significantly degrading performance (we, in theory, - * would have to sleep for up to 1 second everytime we wanted to write a + * would have to sleep for up to 1 second every time we wanted to write a * register), we only check the write pending status before we start to issue - * a new write. We bank on the idea that it doesnt matter when the sync + * a new write. We bank on the idea that it doesn't matter when the sync * happens so long as we don't attempt another write before it does. The only * time userspace would take this penalty is when they try and do multiple * operations right after another ... but in this case, they need to take the @@ -240,40 +240,18 @@ static void bfin_rtc_int_set_alarm(struct bfin_rtc *rtc) */ bfin_rtc_int_set(rtc->rtc_alarm.tm_yday == -1 ? RTC_ISTAT_ALARM : RTC_ISTAT_ALARM_DAY); } -static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) + +static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) { struct bfin_rtc *rtc = dev_get_drvdata(dev); - int ret = 0; dev_dbg_stamp(dev); - - bfin_rtc_sync_pending(dev); - - switch (cmd) { - case RTC_UIE_ON: - dev_dbg_stamp(dev); - bfin_rtc_int_set(RTC_ISTAT_SEC); - break; - case RTC_UIE_OFF: - dev_dbg_stamp(dev); - bfin_rtc_int_clear(~RTC_ISTAT_SEC); - break; - - case RTC_AIE_ON: - dev_dbg_stamp(dev); + if (enabled) bfin_rtc_int_set_alarm(rtc); - break; - case RTC_AIE_OFF: - dev_dbg_stamp(dev); + else bfin_rtc_int_clear(~(RTC_ISTAT_ALARM | RTC_ISTAT_ALARM_DAY)); - break; - default: - dev_dbg_stamp(dev); - ret = -ENOIOCTLCMD; - } - - return ret; + return 0; } static int bfin_rtc_read_time(struct device *dev, struct rtc_time *tm) @@ -356,12 +334,12 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq) } static struct rtc_class_ops bfin_rtc_ops = { - .ioctl = bfin_rtc_ioctl, .read_time = bfin_rtc_read_time, .set_time = bfin_rtc_set_time, .read_alarm = bfin_rtc_read_alarm, .set_alarm = bfin_rtc_set_alarm, .proc = bfin_rtc_proc, + .alarm_irq_enable = bfin_rtc_alarm_irq_enable, }; static int __devinit bfin_rtc_probe(struct platform_device *pdev) |