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charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: -eRUM2Eo3Xej4acR5nwJM3TMZkJAFC8A X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE2MDE4MiBTYWx0ZWRfXwgMHsyCGaorF gi3qq65OqFt+uvlihaQ83/5NagO5j9T3yFgzdhH4HFa2E5bpkSAiIznXpuwtaKxawV+6NeR1Dxv KyokdhsHKWSCgddmK2LAuOhQMsV5rGwrZRtzyUsja1imp+jSCp7k+KSImWbWkzoOBdEH+3gZHfY 58M2yCdwSbgVk7L1UXhC1+u3HLFoDKi4IBivyfYQUkJQD2qs0FqniGKOOWZ2xu9yBj0L8TBiRLl 3NyVotgE8U4XJnwnvfKhy87HueQ1o54VtUZjub0VBq2tL3yNWCfTeZea8Vp8EgTzR3A7fAwCC1L 5YtQX6uyPZdCFiASFbr/OnbcG4ataM3E2aS4Oxlm1TxJNUkBXGyTHE6gRWZx3Jv/9pE46COFh8x wyJXFPLSQy77T0C+l/kqlPMCxJywcVoULNAcinx76IzF3mcoNO4yjlcdyj2lTwv2TE4kv+U11hq /P+donenCFPL1dGsZgw== X-Authority-Analysis: v=2.4 cv=eKmGH3p1 c=1 sm=1 tr=0 ts=6aaa9bb1 cx=c_pps a=MTSHoo12Qbhz2p7MsH1ifg==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=U-vv52QimnA-Lxqxps4A:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=GvdueXVYPmCkWapjIL-Q:22 X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE2MDE4MiBTYWx0ZWRfX4gJtbIhfRlmq ZdB1OwRfa1+H1LslsQlbJdDtU1BDsHFgdiTTQAHmR7mVbNkQPUkGev/0n5qI/n1VO5/iDoQ8aOH xjYuJQd/wCfwpg+egZIwVdrv3lXxoP8= X-Proofpoint-GUID: -eRUM2Eo3Xej4acR5nwJM3TMZkJAFC8A X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-16_02,2026-09-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 clxscore=1015 phishscore=0 spamscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609160182 On 9/16/2026 6:07 PM, Konrad Dybcio wrote: > Root Port recovery may race with a device hot-unplug. In that case, > dw_pcie_wait_for_link() returns -ENODEV because no device is detected > after the controller has been successfully reset. > > This is a valid outcome and should not cause Root Port recovery to > fail. Ignore -ENODEV while continuing to propagate other link-training > errors. > > Assisted-by: LLM > Fixes: 4d88cb82a6d9 ("PCI: qcom: Implement .reset_root_port() and use for link down") > Signed-off-by: Konrad Dybcio Reviewed-by: Krishna Chaitanya Chundru - Krishna Chaitanya. > --- > drivers/pci/controller/dwc/pcie-qcom.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c > index ee63a6ec99de4d07c16b8d6cb68df0d92f822cd8..3d3be9bf798b7c247d69969d6570385b8648123f 100644 > --- a/drivers/pci/controller/dwc/pcie-qcom.c > +++ b/drivers/pci/controller/dwc/pcie-qcom.c > @@ -1880,6 +1880,9 @@ static int qcom_pcie_reset_root_port(struct pci_host_bridge *bridge, > qcom_pcie_start_link(pci); > > ret = dw_pcie_wait_for_link(pci); > + /* This linkdown might have been a hot-unplug */ > + if (ret == -ENODEV) > + ret = 0; > if (ret) > return ret; > > > --- > base-commit: e6e35979777d646fe3c7c94dca7dd32fb25d45f4 > change-id: 20260916-topic-pcie_portrec_enodev-cc576ea927f9 > > Best regards,