101 	struct acpi_pci_link	*link = (struct acpi_pci_link *) context;  in acpi_pci_link_check_possible()  local
121 			link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
122 			link->irq.possible_count++;  in acpi_pci_link_check_possible()
124 		link->irq.edge_level = p->edge_level;  in acpi_pci_link_check_possible()
125 		link->irq.active_high_low = p->active_high_low;  in acpi_pci_link_check_possible()
126 		link->irq.resource_type = ACPI_RSTYPE_IRQ;  in acpi_pci_link_check_possible()
142 			link->irq.possible[i] = p->interrupts[i];  in acpi_pci_link_check_possible()
143 			link->irq.possible_count++;  in acpi_pci_link_check_possible()
145 		link->irq.edge_level = p->edge_level;  in acpi_pci_link_check_possible()
146 		link->irq.active_high_low = p->active_high_low;  in acpi_pci_link_check_possible()
147 		link->irq.resource_type = ACPI_RSTYPE_EXT_IRQ;  in acpi_pci_link_check_possible()
162 	struct acpi_pci_link	*link)  in acpi_pci_link_get_possible()  argument
168 	if (!link)  in acpi_pci_link_get_possible()
171 	status = acpi_walk_resources(link->handle, METHOD_NAME__PRS,  in acpi_pci_link_get_possible()
172 			acpi_pci_link_check_possible, link);  in acpi_pci_link_get_possible()
179 		"Found %d possible IRQs\n", link->irq.possible_count));  in acpi_pci_link_get_possible()
242 	struct acpi_pci_link	*link)  in acpi_pci_link_get_current()  argument
250 	if (!link || !link->handle)  in acpi_pci_link_get_current()
253 	link->irq.active = 0;  in acpi_pci_link_get_current()
258 		result = acpi_bus_get_status(link->device);  in acpi_pci_link_get_current()
264 		if (!link->device->status.enabled) {  in acpi_pci_link_get_current()
274 	status = acpi_walk_resources(link->handle, METHOD_NAME__CRS,  in acpi_pci_link_get_current()
287 	link->irq.active = irq;  in acpi_pci_link_get_current()
289 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active));  in acpi_pci_link_get_current()
297 	struct acpi_pci_link	*link,  in acpi_pci_link_set()  argument
310 	if (!link || !irq)  in acpi_pci_link_set()
315 	switch(link->irq.resource_type) {  in acpi_pci_link_set()
319 		resource.res.data.irq.edge_level = link->irq.edge_level;  in acpi_pci_link_set()
320 		resource.res.data.irq.active_high_low = link->irq.active_high_low;  in acpi_pci_link_set()
321 		if (link->irq.edge_level == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
333 		resource.res.data.extended_irq.edge_level = link->irq.edge_level;  in acpi_pci_link_set()
334 		resource.res.data.extended_irq.active_high_low = link->irq.active_high_low;  in acpi_pci_link_set()
335 		if (link->irq.edge_level == ACPI_EDGE_SENSITIVE)  in acpi_pci_link_set()
344 		printk("ACPI BUG: resource_type %d\n", link->irq.resource_type);  in acpi_pci_link_set()
350 	status = acpi_set_current_resources(link->handle, &buffer);  in acpi_pci_link_set()
359 	result = acpi_bus_get_status(link->device);  in acpi_pci_link_set()
364 	if (!link->device->status.enabled) {  in acpi_pci_link_set()
367 			acpi_device_name(link->device),  in acpi_pci_link_set()
368 			acpi_device_bid(link->device));  in acpi_pci_link_set()
372 	result = acpi_pci_link_get_current(link);  in acpi_pci_link_set()
381 	if (link->irq.active != irq) {  in acpi_pci_link_set()
388 			acpi_device_name(link->device),  in acpi_pci_link_set()
389 			acpi_device_bid(link->device),  in acpi_pci_link_set()
390 			link->irq.active, irq);  in acpi_pci_link_set()
391 		link->irq.active = irq;  in acpi_pci_link_set()
394 	ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Set IRQ %d\n", link->irq.active));  in acpi_pci_link_set()
469 	struct acpi_pci_link    *link = NULL;  in acpi_pci_link_check()  local
479 		link = list_entry(node, struct acpi_pci_link, node);  in acpi_pci_link_check()
480 		if (!link) {  in acpi_pci_link_check()
489 		if (link->irq.possible_count) {  in acpi_pci_link_check()
490 			int penalty = PIRQ_PENALTY_PCI_POSSIBLE / link->irq.possible_count;  in acpi_pci_link_check()
492 			for (i = 0; i < link->irq.possible_count; i++) {  in acpi_pci_link_check()
493 				if (link->irq.possible[i] < ACPI_MAX_ISA_IRQ)  in acpi_pci_link_check()
494 					acpi_irq_penalty[link->irq.possible[i]] += penalty;  in acpi_pci_link_check()
497 		} else if (link->irq.active) {  in acpi_pci_link_check()
498 			acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_POSSIBLE;  in acpi_pci_link_check()
509 static int acpi_pci_link_allocate(struct acpi_pci_link* link) {  in acpi_pci_link_allocate()  argument
515 	if (link->irq.setonboot)  in acpi_pci_link_allocate()
521 	for (i = 0; i < link->irq.possible_count; ++i) {  in acpi_pci_link_allocate()
522 		if (link->irq.active == link->irq.possible[i])  in acpi_pci_link_allocate()
528 	if (i == link->irq.possible_count) {  in acpi_pci_link_allocate()
531 				" in _PRS\n", link->irq.active);  in acpi_pci_link_allocate()
532 		link->irq.active = 0;  in acpi_pci_link_allocate()
538 	if (link->irq.active) {  in acpi_pci_link_allocate()
539 		irq = link->irq.active;  in acpi_pci_link_allocate()
541 		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()
550 			if (acpi_irq_penalty[irq] > acpi_irq_penalty[link->irq.possible[i]])  in acpi_pci_link_allocate()
551 				irq = link->irq.possible[i];  in acpi_pci_link_allocate()
556 	if (acpi_pci_link_set(link, irq)) {  in acpi_pci_link_allocate()
559 			acpi_device_name(link->device),  in acpi_pci_link_allocate()
560 			acpi_device_bid(link->device));  in acpi_pci_link_allocate()
563 		acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING;  in acpi_pci_link_allocate()
565 			acpi_device_name(link->device),  in acpi_pci_link_allocate()
566 			acpi_device_bid(link->device), link->irq.active);  in acpi_pci_link_allocate()
569 	link->irq.setonboot = 1;  in acpi_pci_link_allocate()
584 	struct acpi_pci_link	*link = NULL;  in acpi_pci_link_get_irq()  local
594 	link = (struct acpi_pci_link *) acpi_driver_data(device);  in acpi_pci_link_get_irq()
595 	if (!link) {  in acpi_pci_link_get_irq()
606 	if (acpi_pci_link_allocate(link))  in acpi_pci_link_get_irq()
609 	if (!link->irq.active) {  in acpi_pci_link_get_irq()
614 	if (edge_level) *edge_level = link->irq.edge_level;  in acpi_pci_link_get_irq()
615 	if (active_high_low) *active_high_low = link->irq.active_high_low;  in acpi_pci_link_get_irq()
616 	return_VALUE(link->irq.active);  in acpi_pci_link_get_irq()
629 	struct acpi_pci_link	*link = NULL;  in acpi_pci_link_add()  local
638 	link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL);  in acpi_pci_link_add()
639 	if (!link)  in acpi_pci_link_add()
641 	memset(link, 0, sizeof(struct acpi_pci_link));  in acpi_pci_link_add()
643 	link->device = device;  in acpi_pci_link_add()
644 	link->handle = device->handle;  in acpi_pci_link_add()
647 	acpi_driver_data(device) = link;  in acpi_pci_link_add()
649 	result = acpi_pci_link_get_possible(link);  in acpi_pci_link_add()
654 	acpi_pci_link_get_current(link);  in acpi_pci_link_add()
658 	for (i = 0; i < link->irq.possible_count; i++) {  in acpi_pci_link_add()
659 		if (link->irq.active == link->irq.possible[i]) {  in acpi_pci_link_add()
660 			printk(" *%d", link->irq.possible[i]);  in acpi_pci_link_add()
664 			printk(" %d", link->irq.possible[i]);  in acpi_pci_link_add()
670 		printk(" *%d", link->irq.active);  in acpi_pci_link_add()
672 	if(!link->device->status.enabled)  in acpi_pci_link_add()
678 	list_add_tail(&link->node, &acpi_link.entries);  in acpi_pci_link_add()
683 	acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL);  in acpi_pci_link_add()
686 		kfree(link);  in acpi_pci_link_add()
697 	struct acpi_pci_link *link = NULL;  in acpi_pci_link_remove()  local
704 	link = (struct acpi_pci_link *) acpi_driver_data(device);  in acpi_pci_link_remove()
707 	list_del(&link->node);  in acpi_pci_link_remove()
709 	kfree(link);  in acpi_pci_link_remove()