[U-Boot] [U-Boot, v2] env: mmc/fat/ext4: make sure that the MMC sub-system is initialized before using it

[Tom Rini]

On Mon, Feb 12, 2018 at 07:24:31PM +0530, Faiz Abbas wrote:

> When booting from a non-MMC device, the MMC sub-system may not be
> initialized when the environment is first accessed.
> We need to make sure that the MMC sub-system is ready in even a non-MMC
> boot case.
> 
> Therefore, initialize mmc before loading environment from it.
> 
> Signed-off-by: Faiz Abbas <faiz_abbas at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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