diff options
| author | Jean-Jacques Hiblot <jjhiblot@ti.com> | 2019-07-02 10:53:58 +0200 |
|---|---|---|
| committer | Peng Fan <peng.fan@nxp.com> | 2019-07-15 10:16:49 +0800 |
| commit | 0538477c53237230c36b78cfe5fa26aed81c9d87 (patch) | |
| tree | 59a7feecf9ea94682d9b64512be724ef2007f411 | |
| parent | 9bc5666c8a32aa335b236fb3e140aa55766c7b03 (diff) | |
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>
| -rw-r--r-- | drivers/mmc/mmc.c | 10 |
1 files 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 |