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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8795168ca9sm1118682166b.15.2026.01.19.07.14.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 19 Jan 2026 07:14:58 -0800 (PST) Message-ID: Date: Mon, 19 Jan 2026 16:14:55 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] dt-bindings: phy: sc8280xp-qmp-pcie: Disallow bifurcation register on Purwa To: Krzysztof Kozlowski , Konrad Dybcio , Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, YijieYang References: <20260119-topic-purwa_phy_shutup_warning-v1-1-997a692b31c6@oss.qualcomm.com> <8ea2358b-00e9-44b2-acce-777863e8688e@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <8ea2358b-00e9-44b2-acce-777863e8688e@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=ds7Wylg4 c=1 sm=1 tr=0 ts=696e4a74 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=TK7EAqwxfNejasLwrscA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTE5MDEyNyBTYWx0ZWRfXy0KSiMOFzbs2 C32dPp8m6cQVMx6diugYIw52E2qf932OSKyp9Gjh6q2HW1YZY8lwsIuv/3yl3XrtSr4VV5h7DZm 9ztkcemqRHwGsDNc82DcdxzuhNGpZTfLMq93WRCSkWvakWmi5MXqTI0IbzmQc1vcThU3yzCX6v7 ar978hcVrJLQLW0gzLgCu8MtSSCkGPhqUXr/QASe8gyAGIKfoCYSl4dt8LuKGyAVfF2wGRgfV6L H147CoetFoushlkQBusmy4ThGRxJ7riP2ttB6sFtkWp20xX0AntLPp4gAaONHvycQ7kf5sO33sc pB5qUDaLI8YzsdUV1jTPDyoM5oxF4Xd9UbkpgS3WS3436rQ0zCCEtnC4yZVqIBtA+4ADg22qe6m owx6h0eg37aXGoHOFjhpdEqOkmsxtbPSjFonTE6iKLygeKYVjAdRwUvrXWaJoRFREMY5TaVZZxV TEVIjEDv0vTiTYnVgIQ== X-Proofpoint-ORIG-GUID: IGaJ0UTLq9MZ9w-AteetOpKutnlT-eYX X-Proofpoint-GUID: IGaJ0UTLq9MZ9w-AteetOpKutnlT-eYX X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-19_03,2026-01-19_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 impostorscore=0 phishscore=0 priorityscore=1501 spamscore=0 clxscore=1015 adultscore=0 malwarescore=0 lowpriorityscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601190127 On 1/19/26 3:50 PM, Krzysztof Kozlowski wrote: > On 19/01/2026 12:48, Konrad Dybcio wrote: >> From: Konrad Dybcio >> >> Neither of the two Gen4x4 PHYs found on Purwa supports bifurcation. >> The PHY is however physically laid out as if it were to, since there >> are two separate ports (A/B). >> >> Split out a new if-then block to un-require the bifurcation register >> handle to squash this warning: >> >> purwa-iot-evk.dtb: phy@1bd4000 (qcom,x1p42100-qmp-gen4x4-pcie-phy): 'qcom,4ln-config-sel' is a required property > > Warning does not exist in the kernel, so please do not reference it. Only because no Purwa-based device enables it, so I think it's valid If you really want to, I can resend with that mention removed Konrad