diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c
index 577cbd5d421ece942ec830dd0dfe402a4bfcdfd3..8ed89ea1eb78312c3b58290c3d1fbb7c091b4ef2 100644
--- a/drivers/remoteproc/mtk_scp.c
+++ b/drivers/remoteproc/mtk_scp.c
@@ -298,7 +298,7 @@ static int mt8183_scp_before_load(struct mtk_scp *scp)
 	return 0;
 }
 
-static void mt8192_power_on_sram(void *addr)
+static void mt8192_power_on_sram(void __iomem *addr)
 {
 	int i;
 
@@ -307,7 +307,7 @@ static void mt8192_power_on_sram(void *addr)
 	writel(0, addr);
 }
 
-static void mt8192_power_off_sram(void *addr)
+static void mt8192_power_off_sram(void __iomem *addr)
 {
 	int i;