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[77.252.46.238]) by smtp.gmail.com with ESMTPSA id s21-20020a170906355500b0098d2d219649sm6936092eja.174.2023.08.30.00.05.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 30 Aug 2023 00:05:34 -0700 (PDT) Message-ID: <6f70a710-c409-23c0-890b-370ccd23e088@linaro.org> Date: Wed, 30 Aug 2023 09:05:33 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Subject: Re: [PATCH v4 2/3] dt-bindings: usb: snps,dwc3: Add runtime-suspend-on-usb-suspend property Content-Language: en-US To: Elson Serrao , Thinh Nguyen Cc: Roger Quadros , "gregkh@linuxfoundation.org" , "robh+dt@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "conor+dt@kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-usb@vger.kernel.org" References: <20230814185043.9252-3-quic_eserrao@quicinc.com> <6b27cd55-4e44-7a26-30ff-9692344cae4c@quicinc.com> <31fa930a-51fb-6a7f-300d-e71f6b399eb1@linaro.org> <5dfae814-7233-eb1f-cae7-f335e54ce1b6@linaro.org> <20230826015257.mbogiefsbz5474ft@synopsys.com> <969988f6-f01f-0e31-6a98-7d02c5a3a4ad@quicinc.com> <20230830013739.srnh2uyhly66yvu2@synopsys.com> From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/08/2023 06:31, Elson Serrao wrote: > > > On 8/29/2023 6:37 PM, Thinh Nguyen wrote: >> Just want to clarify, there are dwc3 properties and there are dt binding >> properties. Often the case that dt binding matches 1-to-1 with dwc3 >> driver property. Now, we need to enhance the checkers so that the dwc3 >> driver property to match cases where it is platform specific and through >> compatible string. >> > > Thank you for the clarification Thinh. > To confirm, we would need to modify the driver to parse a new compatible > string (say "snps,dwc3-ext-wakeup") and add .data field so that the > driver is aware that this particular platform supports external wakeup > detection.Right ? No, it's not then platform specific. You said it depends on each platform. Platform is Qualcomm SM8450 for example. Best regards, Krzysztof