4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Marc Gonzalez <marc_gonzalez@xxxxxxxxxxxxxxxx> commit de5bbdd01cf9ee3cd4586b5a970d3ea015c6d7e3 upstream. pci_host_common_probe() is defined when CONFIG_PCI_HOST_COMMON=y; therefore the function declaration should match that. drivers/pci/host/pcie-tango.c:300:9: error: implicit declaration of function 'pci_host_common_probe' Signed-off-by: Marc Gonzalez <marc_gonzalez@xxxxxxxxxxxxxxxx> Signed-off-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- include/linux/pci-ecam.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -59,7 +59,7 @@ void __iomem *pci_ecam_map_bus(struct pc /* default ECAM ops */ extern struct pci_ecam_ops pci_generic_ecam_ops; -#ifdef CONFIG_PCI_HOST_GENERIC +#ifdef CONFIG_PCI_HOST_COMMON /* for DT-based PCI controllers that support ECAM */ int pci_host_common_probe(struct platform_device *pdev, struct pci_ecam_ops *ops);