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

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Message-ID: <5g5ni3xoeliy4xs7wlhjjeust32qerutt4tdkkdvgeisdvbc6d@shlkxbzsw3vw>
Date: Tue, 18 Mar 2025 14:24:14 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: 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>, 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 Tue, Mar 18, 2025 at 01:08:00PM +0100, Konrad Dybcio wrote:
> 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

Indeed...

-- 
With best wishes
Dmitry