[PATCH] i2c: mxs: use MXS_DMA_CTRL_WAIT4END instead of DMA_CTRL_ACK

[Fabio Estevam]

Hi Matthias,

On Fri, Sep 11, 2020 at 12:01 PM Matthias Schiffer
<matthias.schiffer at ew.tq-group.com> wrote:
>
> The driver-specific usage of the DMA_CTRL_ACK flag was replaced with a
> custom flag in commit ceeeb99cd821 ("dmaengine: mxs: rename custom flag"),
> but i2c-mxs was not updated to use the new flag, completely breaking I2C
> transactions using DMA.
>
> Fixes: ceeeb99cd821 ("dmaengine: mxs: rename custom flag")
> Signed-off-by: Matthias Schiffer <matthias.schiffer at ew.tq-group.com>

Thanks for the fix:

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