linux-kernel - Re: [PATCH] dt-bindings: mmc: arasan,sdhci: Allow "dma-coherent" property

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Message-ID: <CAPDyKFoyxOBgqQTTJLFZ5W9iZj0gEiBDAT-V3h_zejqbG1mx8A@mail.gmail.com>
Date: Wed, 17 Dec 2025 14:44:56 +0100
From: Ulf Hansson <ulf.hansson@...aro.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Adrian Hunter <adrian.hunter@...el.com>, linux-mmc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: mmc: arasan,sdhci: Allow "dma-coherent" property

On Mon, 15 Dec 2025 at 22:28, Rob Herring (Arm) <robh@...nel.org> wrote:
>
> The Arasan SDHCI controller is DMA coherent on the APM merlin SoC, so allow
> the dma-coherent property. No reason implementations can't also be coherent
> and there's not an SoC specific compatible, so allow it on any platform.
>
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>

Applied for next, thanks!

Kind regards
Uffe


> ---
>  Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> index 8e79de97b242..d6b6fa6dcffb 100644
> --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.yaml
> @@ -121,6 +121,8 @@ properties:
>        - const: clk_ahb
>        - const: gate
>
> +  dma-coherent: true
> +
>    interrupts:
>      minItems: 1
>      maxItems: 2
> --
> 2.51.0
>