56 typedef void (*companion_fn)(struct pci_dev *pdev, struct usb_hcd *hcd,
60 static void for_each_companion(struct pci_dev *pdev, struct usb_hcd *hcd,  in for_each_companion()  argument
89 		fn(pdev, hcd, companion, companion_hcd);  in for_each_companion()
99 static void ehci_pre_add(struct pci_dev *pdev, struct usb_hcd *hcd,  in ehci_pre_add()  argument
116 static void ehci_post_add(struct pci_dev *pdev, struct usb_hcd *hcd,  in ehci_post_add()  argument
125 			companion_hcd->self.hs_companion = &hcd->self;  in ehci_post_add()
137 static void non_ehci_add(struct pci_dev *pdev, struct usb_hcd *hcd,  in non_ehci_add()  argument
143 		hcd->self.hs_companion = &companion_hcd->self;  in non_ehci_add()
148 static void ehci_remove(struct pci_dev *pdev, struct usb_hcd *hcd,  in ehci_remove()  argument
158 static void ehci_wait_for_companions(struct pci_dev *pdev, struct usb_hcd *hcd,  in ehci_wait_for_companions()  argument
189 	struct usb_hcd		*hcd;  in usb_hcd_pci_probe()  local
220 	hcd = usb_create_hcd(driver, &dev->dev, pci_name(dev));  in usb_hcd_pci_probe()
221 	if (!hcd) {  in usb_hcd_pci_probe()
226 	hcd->amd_resume_bug = (usb_hcd_amd_remote_wakeup_quirk(dev) &&  in usb_hcd_pci_probe()
231 		hcd->rsrc_start = pci_resource_start(dev, 0);  in usb_hcd_pci_probe()
232 		hcd->rsrc_len = pci_resource_len(dev, 0);  in usb_hcd_pci_probe()
233 		if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,  in usb_hcd_pci_probe()
239 		hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);  in usb_hcd_pci_probe()
240 		if (hcd->regs == NULL) {  in usb_hcd_pci_probe()
255 			hcd->rsrc_start = pci_resource_start(dev, region);  in usb_hcd_pci_probe()
256 			hcd->rsrc_len = pci_resource_len(dev, region);  in usb_hcd_pci_probe()
257 			if (request_region(hcd->rsrc_start, hcd->rsrc_len,  in usb_hcd_pci_probe()
273 		dev_set_drvdata(&dev->dev, hcd);  in usb_hcd_pci_probe()
274 		for_each_companion(dev, hcd, ehci_pre_add);  in usb_hcd_pci_probe()
275 		retval = usb_add_hcd(hcd, hcd_irq, IRQF_SHARED);  in usb_hcd_pci_probe()
278 		for_each_companion(dev, hcd, ehci_post_add);  in usb_hcd_pci_probe()
282 		dev_set_drvdata(&dev->dev, hcd);  in usb_hcd_pci_probe()
283 		retval = usb_add_hcd(hcd, hcd_irq, IRQF_SHARED);  in usb_hcd_pci_probe()
287 			for_each_companion(dev, hcd, non_ehci_add);  in usb_hcd_pci_probe()
293 	device_wakeup_enable(hcd->self.controller);  in usb_hcd_pci_probe()
301 		iounmap(hcd->regs);  in usb_hcd_pci_probe()
303 		release_mem_region(hcd->rsrc_start, hcd->rsrc_len);  in usb_hcd_pci_probe()
305 		release_region(hcd->rsrc_start, hcd->rsrc_len);  in usb_hcd_pci_probe()
307 	usb_put_hcd(hcd);  in usb_hcd_pci_probe()
332 	struct usb_hcd		*hcd;  in usb_hcd_pci_remove()  local
334 	hcd = pci_get_drvdata(dev);  in usb_hcd_pci_remove()
335 	if (!hcd)  in usb_hcd_pci_remove()
346 	usb_hcd_irq(0, hcd);  in usb_hcd_pci_remove()
352 		for_each_companion(dev, hcd, ehci_remove);  in usb_hcd_pci_remove()
353 		usb_remove_hcd(hcd);  in usb_hcd_pci_remove()
359 		hcd->self.hs_companion = NULL;  in usb_hcd_pci_remove()
360 		usb_remove_hcd(hcd);  in usb_hcd_pci_remove()
365 	if (hcd->driver->flags & HCD_MEMORY) {  in usb_hcd_pci_remove()
366 		iounmap(hcd->regs);  in usb_hcd_pci_remove()
367 		release_mem_region(hcd->rsrc_start, hcd->rsrc_len);  in usb_hcd_pci_remove()
369 		release_region(hcd->rsrc_start, hcd->rsrc_len);  in usb_hcd_pci_remove()
372 	usb_put_hcd(hcd);  in usb_hcd_pci_remove()
383 	struct usb_hcd		*hcd;  in usb_hcd_pci_shutdown()  local
385 	hcd = pci_get_drvdata(dev);  in usb_hcd_pci_shutdown()
386 	if (!hcd)  in usb_hcd_pci_shutdown()
389 	if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags) &&  in usb_hcd_pci_shutdown()
390 			hcd->driver->shutdown) {  in usb_hcd_pci_shutdown()
391 		hcd->driver->shutdown(hcd);  in usb_hcd_pci_shutdown()
392 		if (usb_hcd_is_primary_hcd(hcd) && hcd->irq > 0)  in usb_hcd_pci_shutdown()
393 			free_irq(hcd->irq, hcd);  in usb_hcd_pci_shutdown()
425 	struct usb_hcd		*hcd = pci_get_drvdata(pci_dev);  in check_root_hub_suspended()  local
427 	if (HCD_RH_RUNNING(hcd)) {  in check_root_hub_suspended()
431 	if (hcd->shared_hcd) {  in check_root_hub_suspended()
432 		hcd = hcd->shared_hcd;  in check_root_hub_suspended()
433 		if (HCD_RH_RUNNING(hcd)) {  in check_root_hub_suspended()
444 	struct usb_hcd		*hcd = pci_get_drvdata(pci_dev);  in suspend_common()  local
456 	if (hcd->driver->pci_suspend && !HCD_DEAD(hcd)) {  in suspend_common()
460 		if (do_wakeup && HCD_WAKEUP_PENDING(hcd))  in suspend_common()
462 		if (do_wakeup && hcd->shared_hcd &&  in suspend_common()
463 				HCD_WAKEUP_PENDING(hcd->shared_hcd))  in suspend_common()
465 		retval = hcd->driver->pci_suspend(hcd, do_wakeup);  in suspend_common()
466 		suspend_report_result(hcd->driver->pci_suspend, retval);  in suspend_common()
469 		if ((retval == 0 && do_wakeup && HCD_WAKEUP_PENDING(hcd)) ||  in suspend_common()
470 				(retval == 0 && do_wakeup && hcd->shared_hcd &&  in suspend_common()
471 				 HCD_WAKEUP_PENDING(hcd->shared_hcd))) {  in suspend_common()
472 			if (hcd->driver->pci_resume)  in suspend_common()
473 				hcd->driver->pci_resume(hcd, false);  in suspend_common()
484 	if (!hcd->msix_enabled)  in suspend_common()
499 	struct usb_hcd		*hcd = pci_get_drvdata(pci_dev);  in resume_common()  local
502 	if (HCD_RH_RUNNING(hcd) ||  in resume_common()
503 			(hcd->shared_hcd &&  in resume_common()
504 			 HCD_RH_RUNNING(hcd->shared_hcd))) {  in resume_common()
517 	if (hcd->driver->pci_resume && !HCD_DEAD(hcd)) {  in resume_common()
525 			for_each_companion(pci_dev, hcd,  in resume_common()
528 		retval = hcd->driver->pci_resume(hcd,  in resume_common()
532 			if (hcd->shared_hcd)  in resume_common()
533 				usb_hc_died(hcd->shared_hcd);  in resume_common()
534 			usb_hc_died(hcd);  in resume_common()
550 	struct usb_hcd		*hcd = pci_get_drvdata(pci_dev);  in hcd_pci_suspend_noirq()  local
563 	if (HCD_DEAD(hcd))  in hcd_pci_suspend_noirq()