linux-kernel - Re: [PATCH 6/9] ARM: dts: qcom: apq8064 merge hw splinlock into corresponding syscon device

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Message-ID: <579cd909-8a0f-4998-88a6-47073ecc0eae@oss.qualcomm.com>
Date: Tue, 18 Mar 2025 13:08:00 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>, Lee Jones <lee@...nel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach
 <mike.leach@...aro.org>,
        James Clark <james.clark@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Leo Yan <leo.yan@...ux.dev>, Kumar Gala <galak@...eaurora.org>,
        Andy Gross <agross@...eaurora.org>,
        "Ivan T. Ivanov" <ivan.ivanov@...aro.org>,
        Andy Gross
 <andy.gross@...aro.org>, Georgi Djakov <djakov@...nel.org>,
        David Heidelberg <david@...t.cz>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, coresight@...ts.linaro.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 6/9] ARM: dts: qcom: apq8064 merge hw splinlock into
 corresponding syscon device

On 3/17/25 6:44 PM, Dmitry Baryshkov wrote:
> Follow up the expected way of describing the SFPB hwspinlock and merge
> hwspinlock node into corresponding syscon node, fixing several dt-schema
> warnings.
> 
> Fixes: 24a9baf933dc ("ARM: dts: qcom: apq8064: Add hwmutex and SMEM nodes")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> ---
>  arch/arm/boot/dts/qcom/qcom-apq8064.dtsi | 11 +++--------
>  1 file changed, 3 insertions(+), 8 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> index ba99e794dcd2236f65f2f3d8c49213cfdaee5f6e..3728875a5506397b36a4c0d6a5ad12c067bbdd8c 100644
> --- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
> @@ -213,12 +213,6 @@ sleep_clk: sleep_clk {
>  		};
>  	};
>  
> -	sfpb_mutex: hwmutex {
> -		compatible = "qcom,sfpb-mutex";
> -		syscon = <&sfpb_wrapper_mutex 0x604 0x4>;
> -		#hwlock-cells = <1>;
> -	};
> -
>  	smem {
>  		compatible = "qcom,smem";
>  		memory-region = <&smem_region>;
> @@ -305,9 +299,10 @@ tlmm_pinmux: pinctrl@...000 {
>  			pinctrl-0 = <&ps_hold_default_state>;
>  		};
>  
> -		sfpb_wrapper_mutex: syscon@...0000 {
> -			compatible = "syscon";
> +		sfpb_mutex: hwmutex@...0000 {
> +			compatible = "qcom,sfpb-mutex";
>  			reg = <0x01200000 0x8000>;

The mutex is at +0x600

Konrad