diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index e1687e19c59f4ad57e6dd78d5f7e8702fa411d27..0d87b90b19035151ad70536f30c813488346f903 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -446,7 +446,7 @@ static struct pl031_vendor_data stv2_pl031 = {
 	.irqflags = IRQF_SHARED | IRQF_COND_SUSPEND,
 };
 
-static struct amba_id pl031_ids[] = {
+static const struct amba_id pl031_ids[] = {
 	{
 		.id = 0x00041031,
 		.mask = 0x000fffff,