Re: [PATCH v3 1/5] mmc: renesas_sdhi_internal_dmac: limit DMA RX for old SoCs

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On Wed, Apr 18, 2018 at 08:20:57PM +0200, Wolfram Sang wrote:
> Early revisions of certain SoCs cannot do multiple DMA RX streams in
> parallel. To avoid data corruption, only allow one DMA RX channel and
> fall back to PIO, if needed.
> 
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>
> Tested-by: Nguyen Viet Dung <dung.nguyen.aj@xxxxxxxxxxx>

Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>

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