diff --git a/arch/arm/mach-imx/imx6-mmdc.c b/arch/arm/mach-imx/imx6-mmdc.c
index 64fb624..40fe0cf 100644
--- a/arch/arm/mach-imx/imx6-mmdc.c
+++ b/arch/arm/mach-imx/imx6-mmdc.c
@@ -103,9 +103,9 @@
 	val |= 0x00005500;
 	writel(val, (P0_IPS + MDPDC));
 
-	/* enable Adopt power down timer: */
+	/* enable auto power down timer: */
 	val = readl(P0_IPS + MAPSR);
-	val &= 0xfffffff7;
+	val &= ~1;
 	writel(val, (P0_IPS + MAPSR));
 
 	/* clear CON_REQ */