Message ID | 1690564018-11142-4-git-send-email-lizhi.hou@amd.com |
---|---|
State | New |
Headers | show
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Series |
Generate device tree node for pci devices
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expand
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diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 321156ca273d..6c0e7b6bbdd1 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -6138,3 +6138,14 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2d, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a2f, dpc_log_size); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x9a31, dpc_log_size); #endif + +/* + * For a PCI device with multiple downstream devices, its driver may use + * a flattened device tree to describe the downstream devices. + * To overlay the flattened device tree, the PCI device and all its ancestor + * devices need to have device tree nodes on system base device tree. Thus, + * before driver probing, it might need to add a device tree node as the final + * fixup. + */ +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_XILINX, 0x5020, of_pci_make_dev_node); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_XILINX, 0x5021, of_pci_make_dev_node);