RTC: Convert rtc drivers to use the alarm_irq_enable method
[linux-2.6.git] / drivers / rtc / rtc-ds1305.c
index 077af1d..57fbcc1 100644 (file)
@@ -139,49 +139,32 @@ static u8 hour2bcd(bool hr12, int hour)
  * Interface to RTC framework
  */
 
-#ifdef CONFIG_RTC_INTF_DEV
-
-/*
- * Context: caller holds rtc->ops_lock (to protect ds1305->ctrl)
- */
-static int ds1305_ioctl(struct device *dev, unsigned cmd, unsigned long arg)
+static int ds1305_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
        struct ds1305   *ds1305 = dev_get_drvdata(dev);
        u8              buf[2];
-       int             status = -ENOIOCTLCMD;
+       long            err = -EINVAL;
 
        buf[0] = DS1305_WRITE | DS1305_CONTROL;
        buf[1] = ds1305->ctrl[0];
 
-       switch (cmd) {
-       case RTC_AIE_OFF:
-               status = 0;
-               if (!(buf[1] & DS1305_AEI0))
-                       goto done;
-               buf[1] &= ~DS1305_AEI0;
-               break;
-
-       case RTC_AIE_ON:
-               status = 0;
+       if (enabled) {
                if (ds1305->ctrl[0] & DS1305_AEI0)
                        goto done;
                buf[1] |= DS1305_AEI0;
-               break;
-       }
-       if (status == 0) {
-               status = spi_write_then_read(ds1305->spi, buf, sizeof buf,
-                               NULL, 0);
-               if (status >= 0)
-                       ds1305->ctrl[0] = buf[1];
+       } else {
+               if (!(buf[1] & DS1305_AEI0))
+                       goto done;
+               buf[1] &= ~DS1305_AEI0;
        }
-
+       err = spi_write_then_read(ds1305->spi, buf, sizeof buf, NULL, 0);
+       if (err >= 0)
+               ds1305->ctrl[0] = buf[1];
 done:
-       return status;
+       return err;
+
 }
 
-#else
-#define ds1305_ioctl   NULL
-#endif
 
 /*
  * Get/set of date and time is pretty normal.
@@ -460,12 +443,12 @@ done:
 #endif
 
 static const struct rtc_class_ops ds1305_ops = {
-       .ioctl          = ds1305_ioctl,
        .read_time      = ds1305_get_time,
        .set_time       = ds1305_set_time,
        .read_alarm     = ds1305_get_alarm,
        .set_alarm      = ds1305_set_alarm,
        .proc           = ds1305_proc,
+       .alarm_irq_enable = ds1305_alarm_irq_enable,
 };
 
 static void ds1305_work(struct work_struct *work)