Re: [RFC PATCH] mmc: sdhi: sys_dmac: check for all Gen3 types when whitelisting

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On 11 September 2018 at 15:06, Wolfram Sang <wsa@xxxxxxxxxxxxx> wrote:
> From: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
>
> Fixes: 26eb2607fa28 ("mmc: renesas_sdhi: add eMMC HS400 mode support")
> Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Applied for fixes, thanks!

Kind regards
Uffe

> ---
>
> So, adding HS400 support broke the detection here. I suggest we discuss
> internally, if this kind of white listing is still needed, at all. Until
> then, this patch makes things work again on H3 and M3-W.
>
>  drivers/mmc/host/renesas_sdhi_sys_dmac.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
> index f5fcbb5dc8cd..f027f66fe0c1 100644
> --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c
> +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c
> @@ -495,7 +495,8 @@ static const struct soc_device_attribute gen3_soc_whitelist[] = {
>
>  static int renesas_sdhi_sys_dmac_probe(struct platform_device *pdev)
>  {
> -       if (of_device_get_match_data(&pdev->dev) == &of_rcar_gen3_compatible &&
> +       if ((of_device_get_match_data(&pdev->dev) == &of_rcar_gen3_compatible ||
> +           of_device_get_match_data(&pdev->dev) == &of_rcar_r8a7795_compatible) &&
>             !soc_device_match(gen3_soc_whitelist))
>                 return -ENODEV;
>
> --
> 2.18.0
>



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