diff --git a/plat/imx/imx8m/ddr/clock.c b/plat/imx/imx8m/ddr/clock.c
index 986ba61..8b132d2 100644
--- a/plat/imx/imx8m/ddr/clock.c
+++ b/plat/imx/imx8m/ddr/clock.c
@@ -76,7 +76,7 @@
 
 	/* unbypass the PLL */
 	mmio_clrbits_32(HW_DRAM_PLL_CFG0, 0x30);
-	while (!(mmio_read_32(HW_DRAM_PLL_CFG0) & (1 << 31))) {
+	while (!(mmio_read_32(HW_DRAM_PLL_CFG0) & BIT(31))) {
 		;
 	}
 }