[MMC] Support MMC version 4 cards

Version 4 of the MMC specification increased the version number of the
CID structure. None of the fields changed though so the only required
change is adding '4' to the approved list.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 6696f71363b9..bfca5c176e88 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -495,6 +495,7 @@ static void mmc_decode_cid(struct mmc_card *card)
 
                 case 2: /* MMC v2.0 - v2.2 */
                 case 3: /* MMC v3.1 - v3.3 */
+                case 4: /* MMC v4 */
                         card->cid.manfid        = UNSTUFF_BITS(resp, 120, 8);
                         card->cid.oemid         = UNSTUFF_BITS(resp, 104, 16);
                         card->cid.prod_name[0]  = UNSTUFF_BITS(resp, 96, 8);