RTC: Cleanup rtc_class_ops->irq_set_state

[~andy/linux] / drivers / rtc / rtc-pl031.c

diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index b7a6690e5b35e8744295bf212a8e0d75e0d8dd6f..0e7c15b24c1ce1fcc36653a1463ff5af4a38de53 100644 (file)
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -293,38 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
        return ret;
 }
 
-/* Periodic interrupt is only available in ST variants. */
-static int pl031_irq_set_state(struct device *dev, int enabled)
-{
-       struct pl031_local *ldata = dev_get_drvdata(dev);
-
-       if (enabled == 1) {
-               /* Clear any pending timer interrupt. */
-               writel(RTC_BIT_PI, ldata->base + RTC_ICR);
-
-               writel(readl(ldata->base + RTC_IMSC) | RTC_BIT_PI,
-                       ldata->base + RTC_IMSC);
-
-               /* Now start the timer */
-               writel(readl(ldata->base + RTC_TCR) | RTC_TCR_EN,
-                       ldata->base + RTC_TCR);
-
-       } else {
-               writel(readl(ldata->base + RTC_IMSC) & (~RTC_BIT_PI),
-                       ldata->base + RTC_IMSC);
-
-               /* Also stop the timer */
-               writel(readl(ldata->base + RTC_TCR) & (~RTC_TCR_EN),
-                       ldata->base + RTC_TCR);
-       }
-       /* Wait at least 1 RTC32 clock cycle to ensure next access
-        * to RTC_TCR will succeed.
-        */
-       udelay(40);
-
-       return 0;
-}
-
 static int pl031_irq_set_freq(struct device *dev, int freq)
 {
        struct pl031_local *ldata = dev_get_drvdata(dev);
@@ -440,7 +408,6 @@ static struct rtc_class_ops stv1_pl031_ops = {
        .read_alarm = pl031_read_alarm,
        .set_alarm = pl031_set_alarm,
        .alarm_irq_enable = pl031_alarm_irq_enable,
-       .irq_set_state = pl031_irq_set_state,
        .irq_set_freq = pl031_irq_set_freq,
 };
 
@@ -451,7 +418,6 @@ static struct rtc_class_ops stv2_pl031_ops = {
        .read_alarm = pl031_stv2_read_alarm,
        .set_alarm = pl031_stv2_set_alarm,
        .alarm_irq_enable = pl031_alarm_irq_enable,
-       .irq_set_state = pl031_irq_set_state,
        .irq_set_freq = pl031_irq_set_freq,
 };