[PATCH] ASoC: fsl-ssi: fix SDMA starvation

[Timur Tabi]

Markus Pargmann wrote:
>
> To ensure the first edge happens after enabling the TX side of the SSI unit and
> to trigger the SDMA unit successfully enable the CCSR_SSI_SIER_TDMAE on
> demand only. To be sure, this patch does the same for the CCSR_SSI_SIER_RDMAE
> (RX side) bit.

This patch impacts PowerPC as well.  Have you tested it on that platform?