[U-Boot] [PATCH V2 0/2] MMC: add erase command

[Lei Wen]

Changelog:
V2:
unfiy original mmc read and write command together to only place
Based on the unfied result, also add the erase command into that place.

Lei Wen (2):
  MMC: unify mmc read and write operation
  MMC: add erase function to both mmc and sd

 common/cmd_mmc.c  |   84 +++++++++++++++++++++++++------------------
 drivers/mmc/mmc.c |  102 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 include/mmc.h     |    8 ++++
 include/part.h    |    3 ++
 4 files changed, 162 insertions(+), 35 deletions(-)