From: Hannes Petermaier <Hannes.Petermaier@br-automation.com>
Date: Fri, 8 Aug 2014 07:47:22 +0000 (+0200)
Subject: mmc: fix ERASE_GRP_DEF handling
X-Git-Tag: v2014.10-rc3~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=021a80559f4293368558cc10dbbc75b26ecab059;p=platform%2Fkernel%2Fu-boot.git

mmc: fix ERASE_GRP_DEF handling

if we set manually this bit on the eMMC card using mmc_switch(...),
we also have to set it within our (before read) internal structure
'ext_csd'.

Otherwise following checks on this will fail.

Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
Signed-off-by: Hannes Petermaier <oe5hpm@oevsv.at>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index a26f3ce..52a8e36 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -1010,6 +1010,8 @@ static int mmc_startup(struct mmc *mmc)
 
 			if (err)
 				return err;
+			else
+				ext_csd[EXT_CSD_ERASE_GROUP_DEF] = 1;
 
 			/* Read out group size from ext_csd */
 			mmc->erase_grp_size =