100 	struct acpi_pci_link *link = context;  in acpi_pci_link_check_possible()  local
124 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
125 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
127 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
128 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
129 			link->irq.resource_type = ACPI_RESOURCE_TYPE_IRQ;  in acpi_pci_link_check_possible()
150 				link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
151 				link->irq.possible_count++;  in acpi_pci_link_check_possible()
153 			link->irq.triggering = p->triggering;  in acpi_pci_link_check_possible()
154 			link->irq.polarity = p->polarity;  in acpi_pci_link_check_possible()
155 			link->irq.resource_type = ACPI_RESOURCE_TYPE_EXTENDED_IRQ;  in acpi_pci_link_check_possible()
167 static int acpi_pci_link_get_possible(struct acpi_pci_link *link)  in acpi_pci_link_get_possible()  argument
171 	status = acpi_walk_resources(link->device->handle, METHOD_NAME__PRS,  in acpi_pci_link_get_possible()
172 				     acpi_pci_link_check_possible, link);  in acpi_pci_link_get_possible()
180 			  link->irq.possible_count));  in acpi_pci_link_get_possible()
242 static int acpi_pci_link_get_current(struct acpi_pci_link *link)  in acpi_pci_link_get_current()  argument
248 	link->irq.active = 0;  in acpi_pci_link_get_current()
253 		result = acpi_bus_get_status(link->device);  in acpi_pci_link_get_current()
259 		if (!link->device->status.enabled) {  in acpi_pci_link_get_current()
269 	status = acpi_walk_resources(link->device->handle, METHOD_NAME__CRS,  in acpi_pci_link_get_current()
282 	link->irq.active = irq;  in acpi_pci_link_get_current()
284 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));  in acpi_pci_link_get_current()
290 static int acpi_pci_link_set(struct acpi_pci_link *link, int irq)  in acpi_pci_link_set()  argument
310 	switch (link->irq.resource_type) {  in acpi_pci_link_set()
314 		resource->res.data.irq.triggering = link->irq.triggering;  in acpi_pci_link_set()
316 		    link->irq.polarity;  in acpi_pci_link_set()
317 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
332 		    link->irq.triggering;  in acpi_pci_link_set()
334 		    link->irq.polarity;  in acpi_pci_link_set()
335 		if (link->irq.triggering == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
345 		printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type);  in acpi_pci_link_set()
354 	status = acpi_set_current_resources(link->device->handle, &buffer);  in acpi_pci_link_set()
364 	result = acpi_bus_get_status(link->device);  in acpi_pci_link_set()
369 	if (!link->device->status.enabled) {  in acpi_pci_link_set()
372 			      acpi_device_name(link->device),  in acpi_pci_link_set()
373 			      acpi_device_bid(link->device));  in acpi_pci_link_set()
377 	result = acpi_pci_link_get_current(link);  in acpi_pci_link_set()
386 	if (link->irq.active != irq) {  in acpi_pci_link_set()
393 			      acpi_device_name(link->device),  in acpi_pci_link_set()
394 			      acpi_device_bid(link->device), link->irq.active, irq);  in acpi_pci_link_set()
395 		link->irq.active = irq;  in acpi_pci_link_set()
398 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));  in acpi_pci_link_set()
472 	struct acpi_pci_link *link;  in acpi_irq_penalty_init()  local
478 	list_for_each_entry(link, &acpi_link_list, list) {  in acpi_irq_penalty_init()
484 		if (link->irq.possible_count) {  in acpi_irq_penalty_init()
487 			    link->irq.possible_count;  in acpi_irq_penalty_init()
489 			for (i = 0; i < link->irq.possible_count; i++) {  in acpi_irq_penalty_init()
490 				if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ)  in acpi_irq_penalty_init()
491 					acpi_irq_penalty[link->irq.  in acpi_irq_penalty_init()
496 		} else if (link->irq.active) {  in acpi_irq_penalty_init()
497 			acpi_irq_penalty[link->irq.active] +=  in acpi_irq_penalty_init()
507 static int acpi_pci_link_allocate(struct acpi_pci_link *link)  in acpi_pci_link_allocate()  argument
512 	if (link->irq.initialized) {  in acpi_pci_link_allocate()
513 		if (link->refcnt == 0)  in acpi_pci_link_allocate()
515 			acpi_pci_link_set(link, link->irq.active);  in acpi_pci_link_allocate()
522 	for (i = 0; i < link->irq.possible_count; ++i) {  in acpi_pci_link_allocate()
523 		if (link->irq.active == link->irq.possible[i])  in acpi_pci_link_allocate()
529 	if (i == link->irq.possible_count) {  in acpi_pci_link_allocate()
532 				      " in _PRS\n", link->irq.active);  in acpi_pci_link_allocate()
533 		link->irq.active = 0;  in acpi_pci_link_allocate()
539 	if (link->irq.active)  in acpi_pci_link_allocate()
540 		irq = link->irq.active;  in acpi_pci_link_allocate()
542 		irq = link->irq.possible[link->irq.possible_count - 1];  in acpi_pci_link_allocate()
544 	if (acpi_irq_balance || !link->irq.active) {  in acpi_pci_link_allocate()
549 		for (i = (link->irq.possible_count - 1); i >= 0; i--) {  in acpi_pci_link_allocate()
551 			    acpi_irq_penalty[link->irq.possible[i]])  in acpi_pci_link_allocate()
552 				irq = link->irq.possible[i];  in acpi_pci_link_allocate()
558 			    acpi_device_name(link->device),  in acpi_pci_link_allocate()
559 			    acpi_device_bid(link->device));  in acpi_pci_link_allocate()
564 	if (acpi_pci_link_set(link, irq)) {  in acpi_pci_link_allocate()
567 			    acpi_device_name(link->device),  in acpi_pci_link_allocate()
568 			    acpi_device_bid(link->device));  in acpi_pci_link_allocate()
571 		acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING;  in acpi_pci_link_allocate()
573 		       acpi_device_name(link->device),  in acpi_pci_link_allocate()
574 		       acpi_device_bid(link->device), link->irq.active);  in acpi_pci_link_allocate()
577 	link->irq.initialized = 1;  in acpi_pci_link_allocate()
591 	struct acpi_pci_link *link;  in acpi_pci_link_allocate_irq()  local
599 	link = acpi_driver_data(device);  in acpi_pci_link_allocate_irq()
600 	if (!link) {  in acpi_pci_link_allocate_irq()
612 	if (acpi_pci_link_allocate(link)) {  in acpi_pci_link_allocate_irq()
617 	if (!link->irq.active) {  in acpi_pci_link_allocate_irq()
622 	link->refcnt++;  in acpi_pci_link_allocate_irq()
626 		*triggering = link->irq.triggering;  in acpi_pci_link_allocate_irq()
628 		*polarity = link->irq.polarity;  in acpi_pci_link_allocate_irq()
630 		*name = acpi_device_bid(link->device);  in acpi_pci_link_allocate_irq()
633 			  acpi_device_bid(link->device)));  in acpi_pci_link_allocate_irq()
634 	return (link->irq.active);  in acpi_pci_link_allocate_irq()
644 	struct acpi_pci_link *link;  in acpi_pci_link_free_irq()  local
653 	link = acpi_driver_data(device);  in acpi_pci_link_free_irq()
654 	if (!link) {  in acpi_pci_link_free_irq()
660 	if (!link->irq.initialized) {  in acpi_pci_link_free_irq()
675 	link->refcnt--;  in acpi_pci_link_free_irq()
679 			  acpi_device_bid(link->device)));  in acpi_pci_link_free_irq()
681 	if (link->refcnt == 0)  in acpi_pci_link_free_irq()
682 		acpi_evaluate_object(link->device->handle, "_DIS", NULL, NULL);  in acpi_pci_link_free_irq()
685 	return (link->irq.active);  in acpi_pci_link_free_irq()
696 	struct acpi_pci_link *link;  in acpi_pci_link_add()  local
700 	link = kzalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);  in acpi_pci_link_add()
701 	if (!link)  in acpi_pci_link_add()
704 	link->device = device;  in acpi_pci_link_add()
707 	device->driver_data = link;  in acpi_pci_link_add()
710 	result = acpi_pci_link_get_possible(link);  in acpi_pci_link_add()
715 	acpi_pci_link_get_current(link);  in acpi_pci_link_add()
719 	for (i = 0; i < link->irq.possible_count; i++) {  in acpi_pci_link_add()
720 		if (link->irq.active == link->irq.possible[i]) {  in acpi_pci_link_add()
721 			printk(KERN_CONT " *%d", link->irq.possible[i]);  in acpi_pci_link_add()
724 			printk(KERN_CONT " %d", link->irq.possible[i]);  in acpi_pci_link_add()
730 		printk(KERN_CONT " *%d", link->irq.active);  in acpi_pci_link_add()
732 	if (!link->device->status.enabled)  in acpi_pci_link_add()
737 	list_add_tail(&link->list, &acpi_link_list);  in acpi_pci_link_add()
745 		kfree(link);  in acpi_pci_link_add()
750 static int acpi_pci_link_resume(struct acpi_pci_link *link)  in acpi_pci_link_resume()  argument
752 	if (link->refcnt && link->irq.active && link->irq.initialized)  in acpi_pci_link_resume()
753 		return (acpi_pci_link_set(link, link->irq.active));  in acpi_pci_link_resume()
760 	struct acpi_pci_link *link;  in irqrouter_resume()  local
762 	list_for_each_entry(link, &acpi_link_list, list) {  in irqrouter_resume()
763 		acpi_pci_link_resume(link);  in irqrouter_resume()
769 	struct acpi_pci_link *link;  in acpi_pci_link_remove()  local
771 	link = acpi_driver_data(device);  in acpi_pci_link_remove()
774 	list_del(&link->list);  in acpi_pci_link_remove()
777 	kfree(link);  in acpi_pci_link_remove()