diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 29f98a7..e4a44b6 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -407,7 +407,7 @@
 	return 0;
 }
 
-static struct dev_pm_ops sa1100_rtc_pm_ops = {
+static const struct dev_pm_ops sa1100_rtc_pm_ops = {
 	.suspend	= sa1100_rtc_suspend,
 	.resume		= sa1100_rtc_resume,
 };