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Thu, 30 Nov 2023 04:06:12 -0800 (PST) Received: from [192.168.1.20] ([178.197.223.109]) by smtp.gmail.com with ESMTPSA id v9-20020aa7d9c9000000b0054b1fca00c7sm486173eds.74.2023.11.30.04.06.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Nov 2023 04:06:12 -0800 (PST) Message-ID: <35916812-af55-4b2a-99e5-8566e945cb6e@linaro.org> Date: Thu, 30 Nov 2023 13:06:10 +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: [PATCH v1 1/3] arm64: dts: qcom: msm8996: Fix 'in-ports' is a required property Content-Language: en-US To: Jinlong Mao , Andy Gross , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Tingwei Zhang , Yuanfang Zhang , Tao Zhang References: <20231129143815.7892-1-quic_jinlmao@quicinc.com> <20231129143815.7892-2-quic_jinlmao@quicinc.com> <3527d540-3e3f-4edb-b5f2-6ac481132c06@linaro.org> <591e1aca-20ca-4d42-809d-12cd12ddadb3@quicinc.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 30/11/2023 12:15, Jinlong Mao wrote: > > > On 11/30/2023 4:55 PM, Krzysztof Kozlowski wrote: >> On 29/11/2023 15:38, Mao Jinlong wrote: >>> The inport of funnel@3023000 connects to a source which is not supported >>> in current linux kernel. Remove the device tree node of funnel@3023000 >>> to fix the warning. It will be added once the driver support to the >>> source is added to linux kernel. >> >> Thanks for the changes, but that's not correct reason to remove DTS >> code. What kernel supports or not, should be irrelevant for the DTS. DTS >> for example is used in other projects - did you check if they have the >> same issues? Anyway, DTS describes the hardware, so how current kernel >> support defines what is and what is not in the hardware? >> >> >> Best regards, >> Krzysztof > > Hi Krzysztof, > > The funnel dt node must have in-ports node. It is to describe the input > connection of funnel HW. But there is no dt_binding doc to describe the > DT node of the HW connected to funnel@3023000. So remove the funnel to > solve the warning as of now. The funnel will be added back once driver > and dt_binding are added for the HW. > > Documentation/devicetree/bindings/arm/arm,coresight-dynamic-funnel.yaml Why we cannot add now the binding for the connected hardware? It's not really related to the driver. Best regards, Krzysztof