1 files changed, 5 insertions, 26 deletions

diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index bcd0cf63eb16..1db62db8469d 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -255,42 +255,21 @@ static int mrst_irq_set_state(struct device *dev, int enabled)
         return 0;
 }
 
-#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
-
 /* Currently, the vRTC doesn't support UIE ON/OFF */
-static int
-mrst_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
+static int mrst_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct mrst_rtc *mrst = dev_get_drvdata(dev);
         unsigned long   flags;
 
-        switch (cmd) {
-        case RTC_AIE_OFF:
-        case RTC_AIE_ON:
-                if (!mrst->irq)
-                        return -EINVAL;
-                break;
-        default:
-                /* PIE ON/OFF is handled by mrst_irq_set_state() */
-                return -ENOIOCTLCMD;
-        }
-
         spin_lock_irqsave(&rtc_lock, flags);
-        switch (cmd) {
-        case RTC_AIE_OFF:       /* alarm off */
-                mrst_irq_disable(mrst, RTC_AIE);
-                break;
-        case RTC_AIE_ON:        /* alarm on */
+        if (enabled)
                 mrst_irq_enable(mrst, RTC_AIE);
-                break;
-        }
+        else
+                mrst_irq_disable(mrst, RTC_AIE);
         spin_unlock_irqrestore(&rtc_lock, flags);
         return 0;
 }
 
-#else
-#define mrst_rtc_ioctl  NULL
-#endif
 
 #if defined(CONFIG_RTC_INTF_PROC) || defined(CONFIG_RTC_INTF_PROC_MODULE)
 
@@ -317,13 +296,13 @@ static int mrst_procfs(struct device *dev, struct seq_file *seq)
 #endif
 
 static const struct rtc_class_ops mrst_rtc_ops = {
-        .ioctl          = mrst_rtc_ioctl,
         .read_time      = mrst_read_time,
         .set_time       = mrst_set_time,
         .read_alarm     = mrst_read_alarm,
         .set_alarm      = mrst_set_alarm,
         .proc           = mrst_procfs,
         .irq_set_state  = mrst_irq_set_state,
+        .alarm_irq_enable = mrst_rtc_alarm_irq_enable,
 };
 
 static struct mrst_rtc  mrst_rtc;