rtc: remove some NOP open/release methods

Remove NOP methods from rtc-pl030 and rtc-pl031 drivers;
this is pure wasted code.
Signed-off-by: NDavid Brownell <dbrownell@users.sourceforge.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-pl030.c

@@ -34,15 +34,6 @@ static irqreturn_t pl030_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int pl030_open(struct device *dev)
-{
-	return 0;
-}
-
-static void pl030_release(struct device *dev)
-{
-}
-
 static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 {
 	return -ENOIOCTLCMD;
@@ -104,8 +95,6 @@ static int pl030_set_time(struct device *dev, struct rtc_time *tm)
 }
 
 static const struct rtc_class_ops pl030_ops = {
-	.open		= pl030_open,
-	.release	= pl030_release,
 	.ioctl		= pl030_ioctl,
 	.read_time	= pl030_read_time,
 	.set_time	= pl030_set_time,

drivers/rtc/rtc-pl031.c

@@ -45,18 +45,6 @@ static irqreturn_t pl031_interrupt(int irq, void *dev_id)
 	return IRQ_HANDLED;
 }
 
-static int pl031_open(struct device *dev)
-{
-	/*
-	 * We request IRQ in pl031_probe, so nothing to do here...
-	 */
-	return 0;
-}
-
-static void pl031_release(struct device *dev)
-{
-}
-
 static int pl031_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 {
 	struct pl031_local *ldata = dev_get_drvdata(dev);
@@ -118,8 +106,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
 }
 
 static const struct rtc_class_ops pl031_ops = {
-	.open = pl031_open,
-	.release = pl031_release,
 	.ioctl = pl031_ioctl,
 	.read_time = pl031_read_time,
 	.set_time = pl031_set_time,