linux-kernel - Re: [PATCH 04/10] arm64: dts: qcom: sc7180: Explicitly describe the IPA IMEM slice

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Message-ID: <6eqsy3vo7p6pszkyqorpe3gxlk66q2kpeadqdchqfyqerym35p@7rrfea5tgnnt>
Date: Mon, 1 Sep 2025 11:40:53 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	cros-qcom-dts-watchers@...omium.org, Sai Prakash Ranjan <quic_saipraka@...cinc.com>, 
	Marijn Suijten <marijn.suijten@...ainline.org>, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH 04/10] arm64: dts: qcom: sc7180: Explicitly describe the
 IPA IMEM slice

On Fri, May 23, 2025 at 01:18:19AM +0200, Konrad Dybcio wrote:
> From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> 
> As part of stepping away from crazy hardcoding in the driver, move
> define the slice explicitly and pass it to the IPA node.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7180.dtsi | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> index 3afb69921be363bd35a996bc1d6f70ff007c6af8..84b032dc09d36e56eeaf182125cceb44e7333765 100644
> --- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -1640,6 +1640,8 @@ ipa: ipa@...0000 {
>  			qcom,smem-state-names = "ipa-clock-enabled-valid",
>  						"ipa-clock-enabled";
>  
> +			sram = <&ipa_modem_tables>;

Please resubmit the second half of this series, once sram is an accepted
property.

Thanks,
Bjorn

> +
>  			status = "disabled";
>  		};
>  
> @@ -3535,6 +3537,10 @@ sram@...80000 {
>  
>  			ranges = <0 0 0x14680000 0x2e000>;
>  
> +			ipa_modem_tables: modem-tables@...00 {
> +				reg = <0x28000 0x2000>;
> +			};
> +
>  			pil-reloc@...4c {
>  				compatible = "qcom,pil-reloc-info";
>  				reg = <0x2a94c 0xc8>;
> 
> -- 
> 2.49.0
>