[PATCH v1] mmc: fsl_esdhc_imx: fix watermark level in dma

[Fabio Estevam]

Hi Marcel,

On Mon, Jan 31, 2022 at 7:08 PM Marcel Ziswiler <marcel at ziswiler.com> wrote:
>
> From: Marcel Ziswiler <marcel.ziswiler at toradex.com>
>
> Seems that we need the waterlevel setting not only for PIO mode as
> without this at least the i.MX 8M Mini won't boot anymore when being
> written by such a U-Boot. Corruption has also been observed both on
> the i.MX 6 as well as i.MX 8M Mini when using ums on the eMMC. Fix
> this by setting the watermark level again regardless of whether in
> DMA or PIO mode.
>
> Fixes: 41c6a22fc296 ("mmc: fsl_esdhc_imx: simplify esdhc_setup_data()")
> Signed-off-by: Marcel Ziswiler <marcel.ziswiler at toradex.com>

This is probably the failure I saw on imx7 when I tried testing 'ums'.

Reviewed-by: Fabio Estevam <festevam at gmail.com>