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

[Peng Fan]

> 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 at 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