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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b976cdb47fasm520697266b.43.2026.03.16.04.16.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Mar 2026 04:16:28 -0700 (PDT) Message-ID: Date: Mon, 16 Mar 2026 12:16:25 +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 v1 1/1] arm64: dts: qcom: hamoa: Move PCIe PERST and Wake GPIOs to port nodes To: Ziyue Zhang , andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org, lpieralisi@kernel.org, kwilczynski@kernel.org, bhelgaas@google.com, johan+linaro@kernel.org, vkoul@kernel.org, kishon@kernel.org, neil.armstrong@linaro.org, abel.vesa@linaro.org, kw@linux.com Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-phy@lists.infradead.org, qiang.yu@oss.qualcomm.com, quic_krichai@quicinc.com, quic_vbadigan@quicinc.com References: <20260313094618.1361418-1-ziyue.zhang@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260313094618.1361418-1-ziyue.zhang@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzE2MDA4NiBTYWx0ZWRfX4KbFXKfnrE79 jt5hXRQPFFGK74Yzipokx9dAxEAsj6rk9NArCruqZ9RbUorffXtF66Qd3KDuID1PxrY48SsDYaz sOTOadf+yQjyC4Is2eXGZvgeEgMmzsWac/vqxQyxRIQ1hsD7PCdOVEHBTX5TYPtvrxzPIuYKe8u tiscViKBl8XiWCdQ++sPVW4yPrY0A+JVUtS26YEUR4VFyYKph5Ua1IL7jjtLsc/MOnRlnSN44T4 amlAabYtsYUbiNQlHiXFRN1YveaWSyHwhAYVE+bnSho5GOrwFRQp2vsu8hZ6bFQ1b16IMGzgulk CRxJd6XF69iFwRN7ppxlomkePz6cJDRhyuWAIRp5mQj4ya0S2zu0QoOxCsVL5oQ385Kf7EmgNi2 gSLDlSLQXh074ia3p4KxL119McZ446GwdGXvsH+KwPE2K5DcxG0fIysYjvtwCF5jhoag3CizO8c r7dAUvy0vq/wR2YBzlQ== X-Authority-Analysis: v=2.4 cv=YLOSCBGx c=1 sm=1 tr=0 ts=69b7e68e cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=hNqFj29UGYf0a7zNkJMA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-ORIG-GUID: Ad4Ist6Opgi4mc74_Um_1cHHhRyeMK4p X-Proofpoint-GUID: Ad4Ist6Opgi4mc74_Um_1cHHhRyeMK4p 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=2026-03-16_04,2026-03-13_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 adultscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603160086 On 3/13/26 10:46 AM, Ziyue Zhang wrote: > Commit 960609b22be5 ("arm64: dts: qcom: hamoa: Move PHY, PERST, and Wake > GPIOs to PCIe port nodes and add port Nodes for all PCIe ports") did not > convert all Hamoa‑based platforms to the new method of defining PERST and > Wake GPIOs in the PCIe root port nodes. > > Without the change PCIe probe will fail. The probe failure happens because > the PHY stays in the controller node while the PERST/Wake GPIOs were moved > to the port nodes. > > This fixes probe failures seen on the following platforms: > - x1-hp-omnibook-x14 > - x1-microsoft-denali > - x1e80100-lenovo-yoga-slim7x > - x1e80100-medion-sprchrgd-14-s1 > - x1p42100-lenovo-thinkbook-16 > - x1-asus-zenbook-a14 > - x1-crd > - x1-dell-thena > > Fixes: 960609b22be5 ("arm64: dts: qcom: hamoa: Move PHY, PERST, and Wake GPIOs to PCIe port nodes and add port Nodes for all PCIe ports") > Signed-off-by: Ziyue Zhang > --- Reviewed-by: Konrad Dybcio Konrad