diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index 7f008fbc4b96af513dad748aeb9f082e0c8cc312..68fa55e86eb1fe736332da26c66b8d564c394893 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -231,7 +231,7 @@ static void pch_gpio_setup(struct pch_gpio *chip)
 static int pch_irq_type(struct irq_data *d, unsigned int type)
 {
 	u32 im;
-	u32 *im_reg;
+	u32 __iomem *im_reg;
 	u32 ien;
 	u32 im_pos;
 	int ch;