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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 26/08/2025 08:17, Manivannan Sadhasivam wrote: > On Tue, Aug 26, 2025 at 10:48:19AM GMT, Krishna Chaitanya Chundru wrote: >> The qcom_pcie_parse_ports() function currently iterates over all available >> child nodes of the PCIe controller's device tree node. This can lead to >> attempts to parse unrelated nodes like OPP nodes, resulting in unnecessary >> errors or misconfiguration. >> > > What errors? Errors you are seeing on your setup or you envision? > >> Restrict the parsing logic to only consider child nodes named "pcie" or >> "pci", which are the expected node names for PCIe ports. >> >> Signed-off-by: Krishna Chaitanya Chundru > > Since this is a fix, 'Fixes' tag is needed. > >> --- >> drivers/pci/controller/dwc/pcie-qcom.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c >> index 294babe1816e4d0c2b2343fe22d89af72afcd6cd..5dbdb69fbdd1b9b78a3ebba3cd50d78168f2d595 100644 >> --- a/drivers/pci/controller/dwc/pcie-qcom.c >> +++ b/drivers/pci/controller/dwc/pcie-qcom.c >> @@ -1740,6 +1740,8 @@ static int qcom_pcie_parse_ports(struct qcom_pcie *pcie) >> int ret = -ENOENT; >> >> for_each_available_child_of_node_scoped(dev->of_node, of_port) { >> + if (!(of_node_name_eq(of_port, "pcie") || of_node_name_eq(of_port, "pci"))) > > May I know which platform has 'pci' as the node name for the bridge node? AFAIK, > all platforms defining bridge nodes have 'pcie' as the node name. It does not matter. If I name my node name as "pc" it stops working? No, Qualcomm cannot introduce such hidden ABI. Best regards, Krzysztof -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy