pci/controller/pci-host-common.c

1 // SPDX-License-Identifier: GPL-2.0
3  * Generic PCI host driver common code
15 #include <linux/pci-ecam.h>
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()
54 	struct device *dev = &pdev->dev;  in pci_host_common_probe()
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()
76 	bridge->sysdata = cfg;  in pci_host_common_probe()
77 	bridge->ops = (struct pci_ops *)&ops->pci_ops;  in pci_host_common_probe()
78 	bridge->enable_device = ops->enable_device;  in pci_host_common_probe()
79 	bridge->disable_device = ops->disable_device;  in pci_host_common_probe()
80 	bridge->msi_domain = true;  in pci_host_common_probe()
91 	pci_stop_root_bus(bridge->bus);  in pci_host_common_remove()
92 	pci_remove_root_bus(bridge->bus);  in pci_host_common_remove()
97 MODULE_DESCRIPTION("Generic PCI host common driver");