Re: [PATCH 1/2] mmc: uniphier-sd: fix DMA disabling

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On 12 October 2018 at 16:57, Masahiro Yamada
<yamada.masahiro@xxxxxxxxxxxxx> wrote:
> Once DMA is enabled, it is not possible to disable it because
> uniphier_sd_dma_endisable() always sets the DMA_ENABLE_DMASDRW bit
> regardless of the argument 'enable'. It should disable DMA when
> 'enable' is false.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>

Applied for next, thanks!

Kind regards
Uffe

> ---
>
>  drivers/mmc/host/uniphier-sd.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/uniphier-sd.c b/drivers/mmc/host/uniphier-sd.c
> index 10e7b30..10d49aa 100644
> --- a/drivers/mmc/host/uniphier-sd.c
> +++ b/drivers/mmc/host/uniphier-sd.c
> @@ -78,7 +78,7 @@ static void *uniphier_sd_priv(struct tmio_mmc_host *host)
>
>  static void uniphier_sd_dma_endisable(struct tmio_mmc_host *host, int enable)
>  {
> -       sd_ctrl_write16(host, CTL_DMA_ENABLE, DMA_ENABLE_DMASDRW);
> +       sd_ctrl_write16(host, CTL_DMA_ENABLE, enable ? DMA_ENABLE_DMASDRW : 0);
>  }
>
>  /* external DMA engine */
> --
> 2.7.4
>



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