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Commit c5fb0806 authored by Sayali Lokhande's avatar Sayali Lokhande
Browse files

mmc: core: Update check for enhanced rpmb support 



Enhnaced RPMB support is added in eMMC v5.1 and later.
This change uses correct ext_csd rev (0x8 for v5.1) to
set enhanced rpmb support.

Change-Id: I5f99223ff55b1831793066c432d04ed60823881b
Signed-off-by: default avatarSayali Lokhande <sayalil@codeaurora.org>
parent 9ed255b9

drivers/mmc/core/mmc.c

+7 −3
Original line number Diff line number Diff line
@@ -685,9 +685,6 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) 
				mmc_hostname(card->host),

				card->ext_csd.barrier_support,

				card->ext_csd.cache_flush_policy);

		card->ext_csd.enhanced_rpmb_supported =

			(card->ext_csd.rel_param &

			 EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR);

	} else {

		card->ext_csd.cmdq_support = 0;

		card->ext_csd.cmdq_depth = 0;
@@ -709,6 +706,13 @@ static int mmc_decode_ext_csd(struct mmc_card *card, u8 *ext_csd) 
		card->ext_csd.device_life_time_est_typ_b =

			ext_csd[EXT_CSD_DEVICE_LIFE_TIME_EST_TYP_B];

	}



	/* eMMC v5.1 or later */

	if (card->ext_csd.rev >= 8)

		card->ext_csd.enhanced_rpmb_supported =

			(card->ext_csd.rel_param &

			 EXT_CSD_WR_REL_PARAM_EN_RPMB_REL_WR);



out:

	return err;

}