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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-63788112bbdsm14092770a12.41.2025.10.08.01.00.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Oct 2025 01:00:28 -0700 (PDT) Message-ID: <73e72e48-bc8e-4f92-b486-43a5f1f4afb0@oss.qualcomm.com> Date: Wed, 8 Oct 2025 10:00:25 +0200 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 v3 2/3] arm64: dts: qcom: sm8750: Add PCIe PHY and controller node To: Krishna Chaitanya Chundru , Bjorn Andersson Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Manivannan Sadhasivam , Bjorn Helgaas , Bjorn Andersson , Konrad Dybcio , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, quic_vbadigan@quicinc.com, quic_mrana@quicinc.com References: <20250826-pakala-v3-0-721627bd5bb0@oss.qualcomm.com> <20250826-pakala-v3-2-721627bd5bb0@oss.qualcomm.com> <4d586f0f-c336-4bf6-81cb-c7c7b07fb3c5@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <4d586f0f-c336-4bf6-81cb-c7c7b07fb3c5@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=Hrl72kTS c=1 sm=1 tr=0 ts=68e61a1f cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=w91pQayDMOQRg3Yv5IMA:9 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 X-Proofpoint-GUID: OGeCp8pk1Os8nCoOjXqwJ1f-0cCK_Txd X-Proofpoint-ORIG-GUID: OGeCp8pk1Os8nCoOjXqwJ1f-0cCK_Txd X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDA0MDAwNCBTYWx0ZWRfX9jrO8OvbZtiE ULljSG/pFzyiq6UBk607BbEjvSZ5e3qstM2dC7epYhYOtAQTovaKAEdhp5q0PFXpi6Xmkjr4p+D dU/3lCuX51qSjhY0Yjav5Shis0N/gG8Tv9wvKjump7JRtNPsrsf6JH6c3j86HBk8Sb4YOfkurDN ZFVdDQX6NG0T1tt8zziOUanjxh7+Vgh43Z7evVofDMCT+uugeiJ3qLpLo73uRWegU7/danVsruA xxlc7hgSs4uibg6dEN9h+XdI+E4esBs4jsXHjXNj7C+dYL+EuuVLfxaADFLkGRI/o1LhQ8ur6oy mvf6TuebviSOz7bfgBQk/kRXu7HJjrsqsoYTBsF6fkQnB6xmI/cZM2U8DvzTF8Kq3wb1ORfsdHg j0NN1NbHEEnahIdMS7OI9IX7V0ZjAQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-08_01,2025-10-06_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 phishscore=0 spamscore=0 adultscore=0 lowpriorityscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2509150000 definitions=main-2510040004 On 10/8/25 6:41 AM, Krishna Chaitanya Chundru wrote: > > > On 10/2/2025 5:07 AM, Bjorn Andersson wrote: >> On Tue, Aug 26, 2025 at 04:32:54PM +0530, Krishna Chaitanya Chundru wrote: >>> Add PCIe controller and PHY nodes which supports data rates of 8GT/s >>> and x2 lane. >>> >> >> I tried to boot the upstream kernel (next-20250925 defconfig) on my >> Pakala MTP with latest LA1.0 META and unless I disable &pcie0 the device >> is crashing during boot as PCIe is being probed. >> >> Is this a known problem? Is there any workaround/changes in flight that >> I'm missing? >> > Hi Bjorn, > > we need this fix for the PCIe to work properly. Please try it once. > https://lore.kernel.org/all/20251008-sm8750-v1-1-daeadfcae980@oss.qualcomm.com/ This surely shouldn't cause/fix any issues, no? Konrad