linux-kernel - Re: [PATCH] dt-bindings: sram: qcom,imem: drop the IPQ5424 compatible

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Message-ID: <20251021-quaint-hopping-tuna-0dade2@kuoka>
Date: Tue, 21 Oct 2025 09:02:18 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
Cc: Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: sram: qcom,imem: drop the IPQ5424 compatible

On Wed, Oct 15, 2025 at 11:46:58AM +0530, Kathiravan Thirumoorthy wrote:
> Based on the recent discussion in the linux-arm-msm list[1], it is not
> appropriate to define the IMEM (On-Chip SRAM) as syscon or MFD. Since
> there are no consumers of this compatible, drop it and move to
> mmio-sram.
> 
> While at it, add a comment to not to extend the list and move towards
> mmio-sram.
> 
> [1] https://lore.kernel.org/linux-arm-msm/e4c5ecc3-fd97-4b13-a057-bb1a3b7f9207@kernel.org/
> 
> Signed-off-by: Kathiravan Thirumoorthy <kathiravan.thirumoorthy@....qualcomm.com>
> ---
>  Documentation/devicetree/bindings/sram/qcom,imem.yaml | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> index 6a627c57ae2fecdbb81cae710f6fb5e48156b1f5..3147f3634a531514a670e714f3878e5375db7285 100644
> --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml
> @@ -14,11 +14,10 @@ description:
>    transactions.
>  
>  properties:
> -  compatible:
> +  compatible: # Don't grow this list. Please use mmio-sram if possible
>      items:
>        - enum:
>            - qcom,apq8064-imem
> -          - qcom,ipq5424-imem

And where is qcom,ipq5424-imem added? This is supposed to be one patch.

Best regards,
Krzysztof