Re: [PATCH] serial: samsung: fix maxburst parameter for DMA transactions

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On Thu, May 10, 2018 at 08:41:13AM +0200, Marek Szyprowski wrote:
> The best granularity of residue that DMA engine can report is in the BURST
> units, so the serial driver must use MAXBURST = 1 and DMA_SLAVE_BUSWIDTH_1_BYTE
> if it relies on exact number of bytes transferred by DMA engine.
> 
> Fixes: 62c37eedb74c ("serial: samsung: add dma reqest/release functions")
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
> ---
>  drivers/tty/serial/samsung.c | 7 ++-----
>  1 file changed, 2 insertions(+), 5 deletions(-)
> 

Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof

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