MMC: Do not set unsupported bits in OCR response

The card might go to inactive state (according to specification), if
there are unsupported bits set in the OCR.

Signed-off-by: Timo Teras <timo.teras@solidboot.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index ec8168ac75b1..766bc54406e5 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -475,7 +475,7 @@ static u32 mmc_select_voltage(struct mmc_host *host, u32 ocr)
         if (bit) {
                 bit -= 1;
 
-                ocr = 3 << bit;
+                ocr &= 3 << bit;
 
                 host->ios.vdd = bit;
                 mmc_set_ios(host);