linux-kernel - Re: [PATCH 2/2] arm64: dts: qcom: sa8775p: Add TCSR halt register space

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Message-ID: <ZowPCeNFh/Mw8ev0@hu-mojha-hyd.qualcomm.com>
Date: Mon, 8 Jul 2024 21:38:41 +0530
From: Mukesh Ojha <quic_mojha@...cinc.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
CC: <lee@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] arm64: dts: qcom: sa8775p: Add TCSR halt register
 space

On Sun, Jul 07, 2024 at 02:46:59PM +0200, Krzysztof Kozlowski wrote:
> On 05/07/2024 17:32, Mukesh Ojha wrote:
> > Enable download mode for sa8775p which can help collect
> > ramdump for this SoC.
> > 
> > Signed-off-by: Mukesh Ojha <quic_mojha@...cinc.com>
> > ---
> >  arch/arm64/boot/dts/qcom/sa8775p.dtsi | 6 ++++++
> >  1 file changed, 6 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > index 23f1b2e5e624..a46d00b1ddda 100644
> > --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi
> > @@ -221,6 +221,7 @@ eud_in: endpoint {
> >  	firmware {
> >  		scm {
> >  			compatible = "qcom,scm-sa8775p", "qcom,scm";
> > +			qcom,dload-mode = <&tcsr 0x13000>;
> >  			memory-region = <&tz_ffi_mem>;
> >  		};
> >  	};
> > @@ -2824,6 +2825,11 @@ tcsr_mutex: hwlock@...0000 {
> >  			#hwlock-cells = <1>;
> >  		};
> >  
> > +		tcsr: syscon@...0000 {
> > +			compatible = "qcom,sa8775p-tcsr", "syscon";
> 
> The file is going away. This change is very confusing.
> 
> Please align first with your colleagues instead of sending conflicting
> work without any explanation.

Sure, let me check with Tengfei if this can be sent along with his patches.

-Mukesh