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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-82b0409c11asm1583505b3a.30.2026.03.20.03.46.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Mar 2026 03:46:53 -0700 (PDT) Message-ID: Date: Fri, 20 Mar 2026 18:46:45 +0800 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] arm64: dts: qcom: remove the disabled replicator To: Krzysztof Kozlowski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Tingwei Zhang Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260316-clean-up-failed-devices-v1-1-f22fc9b072ab@oss.qualcomm.com> <85050b04-c67a-47f5-b562-ad890a8cb1b1@kernel.org> <2ad93fb5-849f-4fae-b64e-8f296b408366@oss.qualcomm.com> Content-Language: en-US From: Jie Gan In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: v2UFi0Jl3aiWBjMHoEi6nJ6sE_0uGRHg X-Authority-Analysis: v=2.4 cv=EcjFgfmC c=1 sm=1 tr=0 ts=69bd259f cx=c_pps a=WW5sKcV1LcKqjgzy2JUPuA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=LGUaL2YE3l8aayJFi6QA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=OpyuDcXvxspvyRM73sMx:22 X-Proofpoint-GUID: v2UFi0Jl3aiWBjMHoEi6nJ6sE_0uGRHg X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzIwMDA4MyBTYWx0ZWRfX9dzgqevJaRlm RBmyoJJjUZ/R2irRxj9EpmaIsu6WQKrHi14HBJh2fyigrMUB+hqge2+mCGZPYH544STeKwmvkE4 YIxaY0FK7SkOojs0SVyvvZjwpBNp254Z8SSa3XKt7Kui0CUtw+JkvKF3E6hm4rn/FnaVmG2M6Vo WaAcHjyqm3jCXs8pSuBj4lfWMxdUDzMYSg6V6JlZBbo2Y/DoBrTO4NWChAzkaFHKFofTG0zD9kk zxL2xW9pIhvuJWCdGKE7PqkyQcUyhizrkXEXae7qeP9+XMvbc58xdDcgoSTiLYy9UZB1aHtaGpd sIZDWOMMLa5RrevhiykwlPFCEllzFafVH6RYPvmznfowWepcH93X3taZEJQvV+I5V8pMrj7WPQz UEu+oN2IZVqx2Mb9KQ85YqGeel9CIq0WErLzYSLtweSo1Y5ok3GfsEE5qzIgoS3xcPNMLgtLVi0 daDNaJfS6sQ6n2DTTtQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-20_02,2026-03-19_05,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 clxscore=1015 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603200083 On 3/16/2026 6:15 PM, Krzysztof Kozlowski wrote: > On 16/03/2026 10:33, Jie Gan wrote: >> >> >> On 3/16/2026 3:14 PM, Krzysztof Kozlowski wrote: >>> On 16/03/2026 06:31, Jie Gan wrote: >>>> Remove the disabled device that blocks probing of the connected >>>> replicator, as the replicator driver validates all connected >>>> devices during probe. >>>> >>>> kernel log: >>>> [ 18.540971] platform 6046000.replicator: deferred probe pending: (reason unknown) >>> >>> No, that's not a reason to remove a device. The device is there, right? >>> So fix Linux drivers if they cannot handle it properly. >> >> CoreSight devices build a path from source to sink and defer probing if >> any device in the path is unavailable so the deferred‑probe behavior is >> expected. >> >> We could add logic to fix it in driver but it's much easier to address >> it in DT because we are knowing the device is disabled/Failed in DT. > > Nope. You got comment already. DTS represents the hardware, not your > current Linux driver status. > Thanks for the patience to explain it, I have submitted a driver patch to address it. Thanks, Jie >> >> It's my fault I didnt remove this disabled replicator device in previous >> fix. >> > > > > Best regards, > Krzysztof