From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Warren <swarren@wwwdotorg.org>
Date: Tue, 04 Jun 2013 12:28:41 -0600
Subject: [U-Boot] [PATCH] common: env_mmc: Make mmc->part_num in sync
 after a partition switch
In-Reply-To: <1370370223-7087-1-git-send-email-fabio.estevam@freescale.com>
References: <1370370223-7087-1-git-send-email-fabio.estevam@freescale.com>
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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?