[PATCH] imx6-mmdc: fix automatic power down enable in write level calibration

[Eric Nelson]

Bit 0 of the MAPSR register controls auto power down.

Explicitly clear this bit instead of reserved bit when
exiting from mmdc_do_write_level_calibration().

Signed-off-by: Eric Nelson <eric at nelint.com>
---
 arch/arm/mach-imx/imx6-mmdc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

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 @@ int mmdc_do_write_level_calibration(void)
 	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 */
-- 
2.6.2