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Sun, 05 Nov 2023 05:08:27 -0800 (PST) Received: from [192.168.1.20] ([178.197.218.126]) by smtp.gmail.com with ESMTPSA id i20-20020a05600c355400b0040839fcb217sm8935931wmq.8.2023.11.05.05.08.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 05 Nov 2023 05:08:26 -0800 (PST) Message-ID: <1830fc44-7bac-4db5-af59-112410d73a64@linaro.org> Date: Sun, 5 Nov 2023 14:08:24 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 2/2] arm64: dts: qcom: qcm6490: Add qcm6490 idp and rb3 board Content-Language: en-US To: Dmitry Baryshkov , Komal Bajaj Cc: Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, quic_nainmeht@quicinc.com References: <20231103184655.23555-1-quic_kbajaj@quicinc.com> <20231103184655.23555-3-quic_kbajaj@quicinc.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 03/11/2023 23:22, Dmitry Baryshkov wrote: > On Fri, 3 Nov 2023 at 20:49, Komal Bajaj wrote: >> >> Add qcm6490 devicetree file for QCM6490 IDP and QCM6490 RB3 >> platform. QCM6490 is derived from SC7280 meant for various >> form factor including IoT. >> >> Supported features are, as of now: >> * Debug UART >> * eMMC (only in IDP) >> * USB >> ... >> + >> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-iot-common.dtsi b/arch/arm64/boot/dts/qcom/qcm6490-iot-common.dtsi >> new file mode 100644 >> index 000000000000..01adc97789d0 >> --- /dev/null >> +++ b/arch/arm64/boot/dts/qcom/qcm6490-iot-common.dtsi > > I have mixed feelings towards this file. Usually we add such 'common' > files only for the phone platforms where most of the devices are > common. > Do you expect that IDP and RB3 will have a lot of common code other > than these regulator settings? I agree here. What exactly is common in the real hardware between IDP and RB3? Commit msg does not explain it, so I do not see enough justification for common file. Just because some DTS looks similar for different hardware does not mean you should creat common file. Best regards, Krzysztof