PCI: dwc: Use pci_parse_request_of_pci_ranges() (7fe71aa8) · Commits · 戴 / test

drivers/pci/controller/dwc/pcie-designware-host.c

+8 −20

Original line number	Diff line number	Diff line
		@@ -319,7 +319,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
		struct device *dev = pci->dev;
		struct device_node *np = dev->of_node;
		struct platform_device *pdev = to_platform_device(dev);
		struct resource_entry win, tmp;
		struct resource_entry *win;
		struct pci_bus *child;
		struct pci_host_bridge *bridge;
		struct resource *cfg_res;
		@@ -342,31 +342,19 @@ int dw_pcie_host_init(struct pcie_port *pp)
		if (!bridge)
		return -ENOMEM;

		ret = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff,
		&bridge->windows, &pp->io_base);
		if (ret)
		return ret;

		ret = devm_request_pci_bus_resources(dev, &bridge->windows);
		ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
		if (ret)
		return ret;

		/* Get the I/O and memory ranges from DT */
		resource_list_for_each_entry_safe(win, tmp, &bridge->windows) {
		resource_list_for_each_entry(win, &bridge->windows) {
		switch (resource_type(win->res)) {
		case IORESOURCE_IO:
		ret = devm_pci_remap_iospace(dev, win->res,
		pp->io_base);
		if (ret) {
		dev_warn(dev, "Error %d: failed to map resource %pR\n",
		ret, win->res);
		resource_list_destroy_entry(win);
		} else {
		pp->io = win->res;
		pp->io->name = "I/O";
		pp->io_size = resource_size(pp->io);
		pp->io_bus_addr = pp->io->start - win->offset;
		}
		pp->io_base = pci_pio_to_address(pp->io->start);
		break;
		case IORESOURCE_MEM:
		pp->mem = win->res;