diff --git a/drivers/renesas/common/pwrc/pwrc.c b/drivers/renesas/common/pwrc/pwrc.c
index 4e175eb..3bc128f 100644
--- a/drivers/renesas/common/pwrc/pwrc.c
+++ b/drivers/renesas/common/pwrc/pwrc.c
@@ -304,8 +304,8 @@
 	shift_irq = WUP_IRQ_SHIFT + cpu;
 	shift_fiq = WUP_FIQ_SHIFT + cpu;
 
-	mmio_write_32(reg, ~((uint32_t) 1 << shift_irq) &
-		      ~((uint32_t) 1 << shift_fiq));
+	mmio_clrbits_32(reg, ((uint32_t) 1 << shift_irq) |
+		      ((uint32_t) 1 << shift_fiq));
 	rcar_lock_release();
 }
 
@@ -324,7 +324,7 @@
 	shift_irq = WUP_IRQ_SHIFT + cpu;
 	shift_fiq = WUP_FIQ_SHIFT + cpu;
 
-	mmio_write_32(reg, ((uint32_t) 1 << shift_irq) |
+	mmio_setbits_32(reg, ((uint32_t) 1 << shift_irq) |
 		      ((uint32_t) 1 << shift_fiq));
 	rcar_lock_release();
 }