linux-kernel - Re: [PATCH 4/6] arm64: dts: qcom: sm4450: Add apps_rsc and cmd

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Date:   Fri, 8 Sep 2023 16:12:06 +0800
From:   Tengfei Fan <quic_tengfan@...cinc.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <agross@...nel.org>, <andersson@...nel.org>,
        <konrad.dybcio@...aro.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <tglx@...utronix.de>, <maz@...nel.org>, <lee@...nel.org>
CC:     <robimarko@...il.com>, <quic_gurus@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_tsoni@...cinc.com>,
        <quic_shashim@...cinc.com>, <quic_kaushalk@...cinc.com>,
        <quic_tdas@...cinc.com>, <quic_tingweiz@...cinc.com>,
        <quic_aiquny@...cinc.com>, <kernel@...cinc.com>,
        <quic_bjorande@...cinc.com>, Ajit Pandey <quic_ajipan@...cinc.com>
Subject: Re: [PATCH 4/6] arm64: dts: qcom: sm4450: Add apps_rsc and cmd_db
 node



在 9/8/2023 4:10 PM, Krzysztof Kozlowski 写道:
> On 08/09/2023 08:58, Tengfei Fan wrote:
>> From: Ajit Pandey <quic_ajipan@...cinc.com>
>>
>> Add apps_rsc node and cmd_db memory region for sm4450.
>>
>> Signed-off-by: Ajit Pandey <quic_ajipan@...cinc.com>
>> Signed-off-by: Tengfei Fan <quic_tengfan@...cinc.com>
>> ---
>>   arch/arm64/boot/dts/qcom/sm4450.dtsi | 34 ++++++++++++++++++++++++++++
>>   1 file changed, 34 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm4450.dtsi b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> index c4e5b33f5169..eb544d875806 100644
>> --- a/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm4450.dtsi
>> @@ -5,6 +5,7 @@
>>   
>>   #include <dt-bindings/gpio/gpio.h>
>>   #include <dt-bindings/interrupt-controller/arm-gic.h>
>> +#include <dt-bindings/soc/qcom,rpmh-rsc.h>
>>   
>>   / {
>>   	interrupt-parent = <&intc>;
>> @@ -328,6 +329,18 @@
>>   		};
>>   	};
>>   
>> +	reserved_memory: reserved-memory {
>> +		#address-cells = <2>;
>> +		#size-cells = <2>;
>> +		ranges;
>> +
>> +		aop_cmd_db_mem: cmd-db@...60000 {
>> +			compatible = "qcom,cmd-db";
>> +			reg = <0x0 0x80860000 0x0 0x20000>;
>> +			no-map;
>> +		};
>> +	};
>> +
>>   	soc: soc@0 {
>>   		#address-cells = <2>;
>>   		#size-cells = <2>;
>> @@ -335,6 +348,27 @@
>>   		dma-ranges = <0 0 0 0 0x10 0>;
>>   		compatible = "simple-bus";
>>   
>> +		apps_rsc: rsc@...00000 {
>> +			label = "apps_rsc";
> 
> It does not look like you tested the DTS against bindings. Please run
> `make dtbs_check W=1` (see
> Documentation/devicetree/bindings/writing-schema.rst or
> https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
> for instructions).
> 
>> +			compatible = "qcom,rpmh-rsc";
> 
> compatible is always the first property. reg/reg-names/ranges follow.
yes, dtbs_check verify done, maybe miss this error, will update this 
sequence.
> 
> 
> 
> Best regards,
> Krzysztof
> 

-- 
Thx and BRs,
Tengfei Fan