Hi John,

On Fri, Feb 13, 2015 at 11:10 PM, John Tobias <john.tobias...@gmail.com> wrote:
> Hello Guys,
>
> I tried to use kernel 3.19 on my iMX6SL custom board and my eMMC is
> running DDR50 mode.
>
> Any available patch for this?.

Dong's series that added mx6sl DDR50 support has been applied already:
http://lists.infradead.org/pipermail/linux-arm-kernel/2013-October/205933.html

Make sure you have the 100 and 200MHz sdhc pinctrl entries in your dts
like it was done in this commit:

commit fa87dfd6d0b067bd962ab83754cf1991ee512c0c
Author: Dong Aisheng <b29...@freescale.com>
Date:   Wed Oct 9 19:20:07 2013 +0800

    ARM: dts: imx6sl: add pinctrl uhs states for usdhc

    This is needed for SD3.0 cards working on UHS mode.

    Signed-off-by: Dong Aisheng <b29...@freescale.com>
    Signed-off-by: Shawn Guo <shawn....@linaro.org>
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