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path: root/drivers/rtc/rtc-at91rm9200.c
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Diffstat (limited to 'drivers/rtc/rtc-at91rm9200.c')
-rw-r--r--drivers/rtc/rtc-at91rm9200.c36
1 files changed, 7 insertions, 29 deletions
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index bc8bbca9a2e2..518a76ec71ca 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -183,40 +183,18 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
-/*
- * Handle commands from user-space
- */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
- unsigned long arg)
+static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
- int ret = 0;
+ pr_debug("%s(): cmd=%08x\n", __func__, enabled);
- pr_debug("%s(): cmd=%08x, arg=%08lx.\n", __func__, cmd, arg);
-
- /* important: scrub old status before enabling IRQs */
- switch (cmd) {
- case RTC_AIE_OFF: /* alarm off */
- at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
- break;
- case RTC_AIE_ON: /* alarm on */
+ if (enabled) {
at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
- break;
- case RTC_UIE_OFF: /* update off */
- at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
- break;
- case RTC_UIE_ON: /* update on */
- at91_sys_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
- at91_sys_write(AT91_RTC_IER, AT91_RTC_SECEV);
- break;
- default:
- ret = -ENOIOCTLCMD;
- break;
- }
+ } else
+ at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
- return ret;
+ return 0;
}
-
/*
* Provide additional RTC information in /proc/driver/rtc
*/
@@ -264,12 +242,12 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
}
static const struct rtc_class_ops at91_rtc_ops = {
- .ioctl = at91_rtc_ioctl,
.read_time = at91_rtc_readtime,
.set_time = at91_rtc_settime,
.read_alarm = at91_rtc_readalarm,
.set_alarm = at91_rtc_setalarm,
.proc = at91_rtc_proc,
+ .alarm_irq_enable = at91_rtc_alarm_irq_enable,
};
/*