Re: [U-Boot] [PATCH v1 11/11] mmc: retry a few times if a partition switch failed

Subject: [PATCH v1 11/11] mmc: retry a few times if a partition switch failed

This operation may fail. Retry it a few times before giving up and report a failure.

Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com

---

drivers/mmc/mmc.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index 709733747a..cec39a9acf 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -958,10 +958,14 @@ static int mmc_set_capacity(struct mmc *mmc, int part_num) int mmc_switch_part(struct mmc *mmc, unsigned int part_num) { int ret;

• int retry = 3;

• ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,

EXT_CSD_PART_CONF,

• 	 (mmc->part_config & ~PART_ACCESS_MASK)
  

• 	 | (part_num & PART_ACCESS_MASK));
  

• do {

• ret = mmc_switch(mmc, EXT_CSD_CMD_SET_NORMAL,
  

• 		 EXT_CSD_PART_CONF,
  

• 		 (mmc->part_config & ~PART_ACCESS_MASK)
  

• 		 | (part_num & PART_ACCESS_MASK));
  

• } while (ret && retry--);

  /*

  • Set the capacity if the switch succeeded or was intended

--

Patchset applied to mmc/master. Please raise, if any objections.

Thanks, Peng.

2.17.1