linux-kernel - Re: [PATCH V2 13/13] arm64: dtsi: qcom: ipq9574: Add nodes to bring up multipd

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <8d21467a-83a4-8478-dbf5-edd77461e6dc@linaro.org>
Date:   Sat, 24 Jun 2023 09:01:52 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Manikanta Mylavarapu <quic_mmanikan@...cinc.com>,
        agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, jassisinghbrar@...il.com,
        mathieu.poirier@...aro.org, mturquette@...libre.com,
        sboyd@...nel.org, quic_eberman@...cinc.com, quic_mojha@...cinc.com,
        kvalo@...nel.org, loic.poulain@...aro.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-clk@...r.kernel.org
Cc:     quic_srichara@...cinc.com, quic_sjaganat@...cinc.com,
        quic_kathirav@...cinc.com, quic_anusha@...cinc.com,
        quic_poovendh@...cinc.com, quic_varada@...cinc.com,
        quic_devipriy@...cinc.com
Subject: Re: [PATCH V2 13/13] arm64: dtsi: qcom: ipq9574: Add nodes to bring
 up multipd

On 22/05/2023 00:28, Manikanta Mylavarapu wrote:
> Enable nodes required for multipd remoteproc bring up.
> 
> Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
> ---
> Changes in V2:
> 	- Corrected syntax like alignmnet and kept nodes in sorted order.
> 	- Added 'firmware-name' property.
> 
>  arch/arm64/boot/dts/qcom/ipq9574.dtsi | 118 ++++++++++++++++++++++++++
>  1 file changed, 118 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> index 0e04549c69a5..ff0da53ba05f 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -160,6 +160,11 @@
>  			no-map;
>  		};
> 
> +		q6_region: wcnss@...00000 {
> +			reg = <0x0 0x4ab00000 0x0 0x2b00000>;
> +			no-map;
> +		};
> +
>  		smem@...00000 {
>  			compatible = "qcom,smem";
>  			reg = <0x0 0x4aa00000 0x0 0x00100000>;
> @@ -697,6 +702,95 @@
>  			};
>  		};
> 
> +		q6v5_wcss: remoteproc@...0000 {
> +			compatible = "qcom,ipq9574-q6-mpd";
> +			reg = <0x0cd00000 0x4040>;
> +			firmware-name = "IPQ9574/q6_fw.mdt",
> +					"IPQ9574/m3_fw.mdt";

Here and...

> +			interrupts-extended = <&intc GIC_SPI 325 IRQ_TYPE_EDGE_RISING>,
> +					      <&wcss_smp2p_in 0 0>,
> +					      <&wcss_smp2p_in 1 0>,
> +					      <&wcss_smp2p_in 2 0>,
> +					      <&wcss_smp2p_in 3 0>;
> +			interrupt-names = "wdog",
> +					  "fatal",
> +					  "ready",
> +					  "handover",
> +					  "stop-ack";
> +
> +			qcom,smem-states = <&wcss_smp2p_out 0>,
> +					   <&wcss_smp2p_out 1>;
> +			qcom,smem-state-names = "shutdown",
> +						"stop";
> +			memory-region = <&q6_region>;
> +
> +			glink-edge {
> +				interrupts = <GIC_SPI 321 IRQ_TYPE_EDGE_RISING>;
> +				label = "rtr";
> +				qcom,remote-pid = <1>;
> +				mboxes = <&apcs_glb 8>;
> +			};
> +
> +			pd-1 {
> +				compatible = "qcom,ipq9574-wcss-ahb-mpd";
> +				firmware-name = "IPQ9574/q6_fw.mdt";

... here - why do you have firmware in both places?

> +				interrupts-extended = <&wcss_smp2p_in 8 0>,
> +						      <&wcss_smp2p_in 9 0>,
> +						      <&wcss_smp2p_in 12 0>,
> +						      <&wcss_smp2p_in 11 0>;
> +				interrupt-names = "fatal",
> +						  "ready",
> +						  "spawn-ack",
> +						  "stop-ack";
> +				qcom,smem-states = <&wcss_smp2p_out 8>,
> +						   <&wcss_smp2p_out 9>,
> +						   <&wcss_smp2p_out 10>;
> +				qcom,smem-state-names = "shutdown",
> +							"stop",
> +							"spawn";
> +			};
> +
> +			pd-2 {
> +				compatible = "qcom,ipq5018-wcss-pcie-mpd";

This compatible is confusing for this device.

Best regards,
Krzysztof