Re: [U-Boot] [PATCH 5/7] mmc: Enhance mmcinfo command

Hi Haijun,

On Nov 5, 2013, at 8:23 AM, Haijun Zhang wrote:

Once mmc initialization was faild has_init should be set to 0, prepard for the next initialization to recover from error.

Once mmcinfo command failed error should point out instead of print incorrect mmc device information.

Error log: => mmcinfo Device: FSL_SDHC Manufacturer ID: 0 OEM: 0 Name: Tran Speed: 0 Rd Block Len: 0 MMC version 0.0 High Capacity: No Capacity: 0 Bytes Bus Width: 1-bit => mmcinfo Device: FSL_SDHC Manufacturer ID: 0 OEM: 0 Name: Tran Speed: 0 Rd Block Len: 0 MMC version 0.0 High Capacity: No Capacity: 0 Bytes Bus Width: 1-bit

Signed-off-by: Haijun Zhang haijun.zhang@freescale.com

common/cmd_mmc.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/common/cmd_mmc.c b/common/cmd_mmc.c index 15cecb7..6f0e5ff 100644 --- a/common/cmd_mmc.c +++ b/common/cmd_mmc.c @@ -115,8 +115,10 @@ static int do_mmcinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) mmc = find_mmc_device(curr_device);

if (mmc) {

• mmc_init(mmc);
  

• if (mmc_init(mmc)) {
  

• 	puts("Got MMC device infor error\n");
  

^ Spelling error in the error message.

• 	return 1;
  

• }
  

  print_mmcinfo(mmc); return 0; } else {

@@ -191,9 +193,10 @@ static int do_mmcops(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])

mmc->has_init = 0;

• if (mmc_init(mmc))
  

• if (mmc_init(mmc)) {
  

• 	mmc->has_init = 0;
  return 1;
  

• else
  

• } else
  return 0;
  

  } else if (strncmp(argv[1], "part", 4) == 0) { block_dev_desc_t *mmc_dev;

-- 1.8.4

Regards

-- Pantelis