linux-kernel - Re: [PATCH 2/2] scsi: ufs: dt-bindings: exynos: add dma-coherent property for gs101

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Message-ID: <931e5e0b07d598912712b091d99a636b796fe19f.camel@linaro.org>
Date: Fri, 14 Mar 2025 15:59:43 +0000
From: André Draszik <andre.draszik@...aro.org>
To: Peter Griffin <peter.griffin@...aro.org>, Tudor Ambarus	
 <tudor.ambarus@...aro.org>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski	 <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Alim
 Akhtar	 <alim.akhtar@...sung.com>, Avri Altman <avri.altman@....com>, Bart
 Van Assche	 <bvanassche@....org>, "Martin K. Petersen"
 <martin.petersen@...cle.com>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
	linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-scsi@...r.kernel.org, kernel-team@...roid.com,
 willmcvicker@...gle.com, 	stable@...r.kernel.org
Subject: Re: [PATCH 2/2] scsi: ufs: dt-bindings: exynos: add dma-coherent
 property for gs101

Hi Pete,

On Fri, 2025-03-14 at 15:38 +0000, Peter Griffin wrote:
> dma-coherent property is required for gs101 as ufs-exynos enables
> sharability.
> 
> Fixes: 438e23b61cd4 ("scsi: ufs: dt-bindings: exynos: Add gs101 compatible")
> Cc: stable@...r.kernel.org
> Signed-off-by: Peter Griffin <peter.griffin@...aro.org>
> ---
>  Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-
> ufs.yaml
> index 720879820f6616a30cae2db3d4d2d22e847666c4..5dbb7f6a8c354b82685c521e70655e106f702a8d 100644
> --- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> +++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
> @@ -96,6 +96,8 @@ allOf:
>          clock-names:
>            minItems: 6
>  
> +        dma-coherent: true
> +

This is allowed globally already in this file. Did you meant to make it 'required'?

Cheers,
Andre'

>      else:
>        properties:
>          clocks:
>