diff --git a/drivers/pci/controller/pci-mvebu.c b/drivers/pci/controller/pci-mvebu.c index 2dc6890dbcaa..f4971fc72a77 100644 --- a/drivers/pci/controller/pci-mvebu.c +++ b/drivers/pci/controller/pci-mvebu.c @@ -570,7 +570,7 @@ static struct pci_bridge_emul_ops mvebu_pci_bridge_emul_ops = { * Initialize the configuration space of the PCI-to-PCI bridge * associated with the given PCIe interface. */ -static void mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) +static int mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) { struct pci_bridge_emul *bridge = &port->bridge; u32 pcie_cap = mvebu_readl(port, PCIE_CAP_PCIEXP); @@ -597,7 +597,7 @@ static void mvebu_pci_bridge_emul_init(struct mvebu_pcie_port *port) bridge->data = port; bridge->ops = &mvebu_pci_bridge_emul_ops; - pci_bridge_emul_init(bridge, PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR); + return pci_bridge_emul_init(bridge, PCI_BRIDGE_EMUL_NO_PREFETCHABLE_BAR); } static inline struct mvebu_pcie *sys_to_pcie(struct pci_sys_data *sys) @@ -1120,9 +1120,18 @@ static int mvebu_pcie_probe(struct platform_device *pdev) continue; } + ret = mvebu_pci_bridge_emul_init(port); + if (ret < 0) { + dev_err(dev, "%s: cannot init emulated bridge\n", + port->name); + devm_iounmap(dev, port->base); + port->base = NULL; + mvebu_pcie_powerdown(port); + continue; + } + mvebu_pcie_setup_hw(port); mvebu_pcie_set_local_dev_nr(port, 1); - mvebu_pci_bridge_emul_init(port); } pcie->nports = i;