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Commit cb757b4e authored by Pierre Ossman's avatar Pierre Ossman Committed by Russell King
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[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: default avatarPierre Ossman <drzeus@drzeus.cx>
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 5e68d95d

drivers/mmc/mmc.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -495,6 +495,7 @@ static void mmc_decode_cid(struct mmc_card *card) 




		case 2: /* MMC v2.0 - v2.2 */

		case 2: /* MMC v2.0 - v2.2 */

		case 3: /* MMC v3.1 - v3.3 */

		case 3: /* MMC v3.1 - v3.3 */

		case 4: /* MMC v4 */

			card->cid.manfid	= UNSTUFF_BITS(resp, 120, 8);

			card->cid.manfid	= UNSTUFF_BITS(resp, 120, 8);

			card->cid.oemid		= UNSTUFF_BITS(resp, 104, 16);

			card->cid.oemid		= UNSTUFF_BITS(resp, 104, 16);

			card->cid.prod_name[0]	= UNSTUFF_BITS(resp, 96, 8);

			card->cid.prod_name[0]	= UNSTUFF_BITS(resp, 96, 8);