diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index 4e5445c..bf1075e 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -329,7 +329,7 @@
 	return fasync_helper(fd, file, on, &rtc_async_queue);
 }
 
-static struct file_operations rtc_fops = {
+static const struct file_operations rtc_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.read		= rtc_read,