1 // SPDX-License-Identifier: GPL-2.0
15 #include <linux/pci-ecam.h>
18 #include "pci-host-common.h"
31 	struct pci_config_window *cfg;  in pci_host_common_ecam_create()  local
33 	err = of_address_to_resource(dev->of_node, 0, &cfgres);  in pci_host_common_ecam_create()
39 	bus = resource_list_first_type(&bridge->windows, IORESOURCE_BUS);  in pci_host_common_ecam_create()
41 		return ERR_PTR(-ENODEV);  in pci_host_common_ecam_create()
43 	cfg = pci_ecam_create(dev, &cfgres, bus->res, ops);  in pci_host_common_ecam_create()
44 	if (IS_ERR(cfg))  in pci_host_common_ecam_create()
45 		return cfg;  in pci_host_common_ecam_create()
47 	err = devm_add_action_or_reset(dev, gen_pci_unmap_cfg, cfg);  in pci_host_common_ecam_create()
51 	return cfg;  in pci_host_common_ecam_create()
58 	struct device *dev = &pdev->dev;  in pci_host_common_init()
60 	struct pci_config_window *cfg;  in pci_host_common_init()  local
64 		return -ENOMEM;  in pci_host_common_init()
70 	/* Parse and map our Configuration Space windows */  in pci_host_common_init()
71 	cfg = pci_host_common_ecam_create(dev, bridge, ops);  in pci_host_common_init()
72 	if (IS_ERR(cfg))  in pci_host_common_init()
73 		return PTR_ERR(cfg);  in pci_host_common_init()
75 	bridge->sysdata = cfg;  in pci_host_common_init()
76 	bridge->ops = (struct pci_ops *)&ops->pci_ops;  in pci_host_common_init()
77 	bridge->enable_device = ops->enable_device;  in pci_host_common_init()
78 	bridge->disable_device = ops->disable_device;  in pci_host_common_init()
79 	bridge->msi_domain = true;  in pci_host_common_init()
89 	ops = of_device_get_match_data(&pdev->dev);  in pci_host_common_probe()
91 		return -ENODEV;  in pci_host_common_probe()
102 	pci_stop_root_bus(bridge->bus);  in pci_host_common_remove()
103 	pci_remove_root_bus(bridge->bus);  in pci_host_common_remove()