tree 6dbd459cbe50dfb60ccd9e8a1a2e66e442753498
parent 217467f6edeac9cbc9adbe690cb9d0838b41fb3b
author Lei Wen <leiwen@marvell.com> 1317674111 +0000
committer Andy Fleming <afleming@freescale.com> 1320304499 -0500

mmc: test mmc bus width on startup

For we don't know mmc bus width from reading registers, the only way
to check is to test.

Current compare offset is:
EXT_CSD_PARTITIONING_SUPPORT
EXT_CSD_ERASE_GROUP_DEF
EXT_CSD_REV
EXT_CSD_HC_ERASE_GRP_SIZE
EXT_CSD_SEC_CNT

Signed-off-by: Lei Wen <leiwen@marvell.com>