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mmc: Fix erase_grp_size for partitioned card

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EXT_CSD_ERASE_GROUP_DEF is lost every time after a reset or
 power off. Set it if device has enhanced partitions.

Signed-off-by: Oliver Metz <oliver@freetz.org>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>
This commit is contained in:
Oliver Metz 2013-10-01 20:32:07 +02:00 • committed by Pantelis Antoniou
parent 509dca7a11
commit 1937e5aa3b
2 changed files with 15 additions and 4 deletions
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2
include/mmc.h
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@ -148,6 +148,7 @@
* EXT_CSD fields
*/
#define EXT_CSD_GP_SIZE_MULT 143 /* R/W */
#define EXT_CSD_PARTITIONS_ATTRIBUTE 156 /* R/W */
#define EXT_CSD_PARTITIONING_SUPPORT 160 /* RO */
#define EXT_CSD_RPMB_MULT 168 /* RO */
#define EXT_CSD_ERASE_GROUP_DEF 175 /* R/W */
@ -210,6 +211,7 @@
#define MMCPART_NOAVAILABLE (0xff)
#define PART_ACCESS_MASK (0x7)
#define PART_SUPPORT (0x1)
#define PART_ENH_ATTRIB (0x1f)
/* Maximum block size for MMC */
#define MMC_MAX_BLOCK_LEN 512