pci/endpoint/pci-epf-core.c

24  * pci_epf_unbind() - Notify the function driver that the binding between the
28  * Invoke to notify the function driver that the binding between the EPF device
35 	if (!epf->driver) {
36 		dev_WARN(&epf->dev, "epf device not bound to driver\n");
43 			epf_vf->driver->ops->unbind(epf_vf);
46 		epf->driver->ops->unbind(epf);
48 	module_put(epf->driver->owner);
53  * pci_epf_bind() - Notify the function driver that the EPF device has been
57  * Invoke to notify the function driver that it has been bound to a EPC device
67 	if (!epf->driver) {
68 		dev_WARN(dev, "epf device not bound to driver\n");
72 	if (!try_module_get(epf->driver->owner))
123 		ret = epf_vf->driver->ops->bind(epf_vf);
129 	ret = epf->driver->ops->bind(epf);
315 static void pci_epf_remove_cfs(struct pci_epf_driver *driver)
323 	list_for_each_entry_safe(group, tmp, &driver->epf_group, group_entry)
325 	list_del(&driver->epf_group);
330  * pci_epf_unregister_driver() - unregister the PCI EPF driver
331  * @driver: the PCI EPF driver that has to be unregistered
333  * Invoke to unregister the PCI EPF driver.
335 void pci_epf_unregister_driver(struct pci_epf_driver *driver)
337 	pci_epf_remove_cfs(driver);
338 	driver_unregister(&driver->driver);
342 static int pci_epf_add_cfs(struct pci_epf_driver *driver)
350 	INIT_LIST_HEAD(&driver->epf_group);
352 	id = driver->id_table;
356 			pci_epf_remove_cfs(driver);
361 		list_add_tail(&group->group_entry, &driver->epf_group);
370  * __pci_epf_register_driver() - register a new PCI EPF driver
371  * @driver: structure representing PCI EPF driver
372  * @owner: the owner of the module that registers the PCI EPF driver
374  * Invoke to register a new PCI EPF driver.
376 int __pci_epf_register_driver(struct pci_epf_driver *driver,
381 	if (!driver->ops)
384 	if (!driver->ops->bind || !driver->ops->unbind)
387 	driver->driver.bus = &pci_epf_bus_type;
388 	driver->driver.owner = owner;
390 	ret = driver_register(&driver->driver);
394 	pci_epf_add_cfs(driver);
415  *	  EPF device to a EPF driver
491 	struct pci_epf_driver *driver = to_pci_epf_driver(drv);
493 	if (driver->id_table)
494 		return !!pci_epf_match_id(driver->id_table, epf);
502 	struct pci_epf_driver *driver = to_pci_epf_driver(dev->driver);
504 	if (!driver->probe)
507 	epf->driver = driver;
509 	return driver->probe(epf, pci_epf_match_id(driver->id_table, epf));
515 	struct pci_epf_driver *driver = to_pci_epf_driver(dev->driver);
517 	if (driver->remove)
518 		driver->remove(epf);
519 	epf->driver = NULL;