[PATCH] constify rtc_class_ops: update drivers

Update RTC framework so that drivers can constify their method tables, moving
them from ".data" to ".rodata".  Then update the drivers.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/rtc/rtc-ds1742.c b/drivers/rtc/rtc-ds1742.c
index 8e47e5a..01da5ab 100644
--- a/drivers/rtc/rtc-ds1742.c
+++ b/drivers/rtc/rtc-ds1742.c
@@ -116,7 +116,7 @@
 	return 0;
 }
 
-static struct rtc_class_ops ds1742_rtc_ops = {
+static const struct rtc_class_ops ds1742_rtc_ops = {
 	.read_time	= ds1742_rtc_read_time,
 	.set_time	= ds1742_rtc_set_time,
 };