rtc: rtc interfaces don't use class_device

This patch removes class_device from the programming interface that the RTC
framework exposes to the rest of the kernel.  Now an rtc_device is passed,
which is more type-safe and streamlines all the relevant code.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Acked-By: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 677bae8..0918b78 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -93,7 +93,7 @@
 	if (rtsr & RTSR_HZ)
 		events |= RTC_UF | RTC_IRQF;
 
-	rtc_update_irq(&rtc->class_dev, 1, events);
+	rtc_update_irq(rtc, 1, events);
 
 	if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm))
 		rtc_update_alarm(&rtc_alarm);
@@ -119,7 +119,7 @@
 	 */
 	OSSR = OSSR_M1;	/* clear match on timer1 */
 
-	rtc_update_irq(&rtc->class_dev, rtc_timer1_count, RTC_PF | RTC_IRQF);
+	rtc_update_irq(rtc, rtc_timer1_count, RTC_PF | RTC_IRQF);
 
 	if (rtc_timer1_count == 1)
 		rtc_timer1_count = (rtc_freq * ((1<<30)/(TIMER_FREQ>>2)));