1 // SPDX-License-Identifier: GPL-2.0
15 #include <linux/pci-ecam.h>
29 	struct pci_config_window *cfg;  in gen_pci_init()  local
31 	err = of_address_to_resource(dev->of_node, 0, &cfgres);  in gen_pci_init()
37 	bus = resource_list_first_type(&bridge->windows, IORESOURCE_BUS);  in gen_pci_init()
39 		return ERR_PTR(-ENODEV);  in gen_pci_init()
41 	cfg = pci_ecam_create(dev, &cfgres, bus->res, ops);  in gen_pci_init()
42 	if (IS_ERR(cfg))  in gen_pci_init()
43 		return cfg;  in gen_pci_init()
45 	err = devm_add_action_or_reset(dev, gen_pci_unmap_cfg, cfg);  in gen_pci_init()
49 	return cfg;  in gen_pci_init()
54 	struct device *dev = &pdev->dev;  in pci_host_common_probe()
56 	struct pci_config_window *cfg;  in pci_host_common_probe()  local
59 	ops = of_device_get_match_data(&pdev->dev);  in pci_host_common_probe()
61 		return -ENODEV;  in pci_host_common_probe()
65 		return -ENOMEM;  in pci_host_common_probe()
69 	/* Parse and map our Configuration Space windows */  in pci_host_common_probe()
70 	cfg = gen_pci_init(dev, bridge, ops);  in pci_host_common_probe()
71 	if (IS_ERR(cfg))  in pci_host_common_probe()
72 		return PTR_ERR(cfg);  in pci_host_common_probe()
78 	bridge->sysdata = cfg;  in pci_host_common_probe()
79 	bridge->ops = (struct pci_ops *)&ops->pci_ops;  in pci_host_common_probe()
92 	pci_stop_root_bus(bridge->bus);  in pci_host_common_remove()
93 	pci_remove_root_bus(bridge->bus);  in pci_host_common_remove()