[U-Boot] [PATCH] common: env_mmc: Make mmc->part_num in sync after a partition switch

[Stephen Warren]

On 06/04/2013 12:23 PM, Fabio Estevam wrote:
> When running the "save" command several times on a mx6qsabresd we see:
> 
> U-Boot > save
> Saving Environment to MMC...
> Writing to MMC(1)... done
> U-Boot > save
> Saving Environment to MMC...
> MMC partition switch failed
...
> Fix this by making mmc->part_num to be in sync with CONFIG_SYS_MMC_ENV_PART
> after the partition has been changed in mmc_switch_part().

I deliberately didn't do this, because fini_mmc_for_env() passes the
value of mmc->part_num to call mmc_switch_part() in order to put things
back the way they were. This fix would break that. Can you investigate
why you're seeing the "MMC partition switch failed" message?