diff options
Diffstat (limited to 'drivers/acpi/pci_link.c')
-rw-r--r-- | drivers/acpi/pci_link.c | 105 |
1 files changed, 45 insertions, 60 deletions
diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index d7aa9c10335c..1badce27a83f 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c | |||
@@ -107,17 +107,16 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) | |||
107 | struct acpi_pci_link *link = (struct acpi_pci_link *)context; | 107 | struct acpi_pci_link *link = (struct acpi_pci_link *)context; |
108 | u32 i = 0; | 108 | u32 i = 0; |
109 | 109 | ||
110 | ACPI_FUNCTION_TRACE("acpi_pci_link_check_possible"); | ||
111 | 110 | ||
112 | switch (resource->type) { | 111 | switch (resource->type) { |
113 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: | 112 | case ACPI_RESOURCE_TYPE_START_DEPENDENT: |
114 | return_ACPI_STATUS(AE_OK); | 113 | return AE_OK; |
115 | case ACPI_RESOURCE_TYPE_IRQ: | 114 | case ACPI_RESOURCE_TYPE_IRQ: |
116 | { | 115 | { |
117 | struct acpi_resource_irq *p = &resource->data.irq; | 116 | struct acpi_resource_irq *p = &resource->data.irq; |
118 | if (!p || !p->interrupt_count) { | 117 | if (!p || !p->interrupt_count) { |
119 | printk(KERN_WARNING PREFIX "Blank IRQ resource\n"); | 118 | printk(KERN_WARNING PREFIX "Blank IRQ resource\n"); |
120 | return_ACPI_STATUS(AE_OK); | 119 | return AE_OK; |
121 | } | 120 | } |
122 | for (i = 0; | 121 | for (i = 0; |
123 | (i < p->interrupt_count | 122 | (i < p->interrupt_count |
@@ -142,7 +141,7 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) | |||
142 | if (!p || !p->interrupt_count) { | 141 | if (!p || !p->interrupt_count) { |
143 | printk(KERN_WARNING PREFIX | 142 | printk(KERN_WARNING PREFIX |
144 | "Blank EXT IRQ resource\n"); | 143 | "Blank EXT IRQ resource\n"); |
145 | return_ACPI_STATUS(AE_OK); | 144 | return AE_OK; |
146 | } | 145 | } |
147 | for (i = 0; | 146 | for (i = 0; |
148 | (i < p->interrupt_count | 147 | (i < p->interrupt_count |
@@ -162,33 +161,32 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) | |||
162 | } | 161 | } |
163 | default: | 162 | default: |
164 | printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n"); | 163 | printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n"); |
165 | return_ACPI_STATUS(AE_OK); | 164 | return AE_OK; |
166 | } | 165 | } |
167 | 166 | ||
168 | return_ACPI_STATUS(AE_CTRL_TERMINATE); | 167 | return AE_CTRL_TERMINATE; |
169 | } | 168 | } |
170 | 169 | ||
171 | static int acpi_pci_link_get_possible(struct acpi_pci_link *link) | 170 | static int acpi_pci_link_get_possible(struct acpi_pci_link *link) |
172 | { | 171 | { |
173 | acpi_status status; | 172 | acpi_status status; |
174 | 173 | ||
175 | ACPI_FUNCTION_TRACE("acpi_pci_link_get_possible"); | ||
176 | 174 | ||
177 | if (!link) | 175 | if (!link) |
178 | return_VALUE(-EINVAL); | 176 | return -EINVAL; |
179 | 177 | ||
180 | status = acpi_walk_resources(link->handle, METHOD_NAME__PRS, | 178 | status = acpi_walk_resources(link->handle, METHOD_NAME__PRS, |
181 | acpi_pci_link_check_possible, link); | 179 | acpi_pci_link_check_possible, link); |
182 | if (ACPI_FAILURE(status)) { | 180 | if (ACPI_FAILURE(status)) { |
183 | ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS")); | 181 | ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS")); |
184 | return_VALUE(-ENODEV); | 182 | return -ENODEV; |
185 | } | 183 | } |
186 | 184 | ||
187 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 185 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
188 | "Found %d possible IRQs\n", | 186 | "Found %d possible IRQs\n", |
189 | link->irq.possible_count)); | 187 | link->irq.possible_count)); |
190 | 188 | ||
191 | return_VALUE(0); | 189 | return 0; |
192 | } | 190 | } |
193 | 191 | ||
194 | static acpi_status | 192 | static acpi_status |
@@ -196,7 +194,6 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) | |||
196 | { | 194 | { |
197 | int *irq = (int *)context; | 195 | int *irq = (int *)context; |
198 | 196 | ||
199 | ACPI_FUNCTION_TRACE("acpi_pci_link_check_current"); | ||
200 | 197 | ||
201 | switch (resource->type) { | 198 | switch (resource->type) { |
202 | case ACPI_RESOURCE_TYPE_IRQ: | 199 | case ACPI_RESOURCE_TYPE_IRQ: |
@@ -209,7 +206,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) | |||
209 | */ | 206 | */ |
210 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 207 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
211 | "Blank IRQ resource\n")); | 208 | "Blank IRQ resource\n")); |
212 | return_ACPI_STATUS(AE_OK); | 209 | return AE_OK; |
213 | } | 210 | } |
214 | *irq = p->interrupts[0]; | 211 | *irq = p->interrupts[0]; |
215 | break; | 212 | break; |
@@ -225,7 +222,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) | |||
225 | */ | 222 | */ |
226 | printk(KERN_WARNING PREFIX | 223 | printk(KERN_WARNING PREFIX |
227 | "Blank EXT IRQ resource\n"); | 224 | "Blank EXT IRQ resource\n"); |
228 | return_ACPI_STATUS(AE_OK); | 225 | return AE_OK; |
229 | } | 226 | } |
230 | *irq = p->interrupts[0]; | 227 | *irq = p->interrupts[0]; |
231 | break; | 228 | break; |
@@ -234,9 +231,9 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) | |||
234 | default: | 231 | default: |
235 | printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type); | 232 | printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type); |
236 | case ACPI_RESOURCE_TYPE_END_TAG: | 233 | case ACPI_RESOURCE_TYPE_END_TAG: |
237 | return_ACPI_STATUS(AE_OK); | 234 | return AE_OK; |
238 | } | 235 | } |
239 | return_ACPI_STATUS(AE_CTRL_TERMINATE); | 236 | return AE_CTRL_TERMINATE; |
240 | } | 237 | } |
241 | 238 | ||
242 | /* | 239 | /* |
@@ -252,10 +249,9 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) | |||
252 | acpi_status status = AE_OK; | 249 | acpi_status status = AE_OK; |
253 | int irq = 0; | 250 | int irq = 0; |
254 | 251 | ||
255 | ACPI_FUNCTION_TRACE("acpi_pci_link_get_current"); | ||
256 | 252 | ||
257 | if (!link || !link->handle) | 253 | if (!link || !link->handle) |
258 | return_VALUE(-EINVAL); | 254 | return -EINVAL; |
259 | 255 | ||
260 | link->irq.active = 0; | 256 | link->irq.active = 0; |
261 | 257 | ||
@@ -270,7 +266,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) | |||
270 | 266 | ||
271 | if (!link->device->status.enabled) { | 267 | if (!link->device->status.enabled) { |
272 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link disabled\n")); | 268 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link disabled\n")); |
273 | return_VALUE(0); | 269 | return 0; |
274 | } | 270 | } |
275 | } | 271 | } |
276 | 272 | ||
@@ -296,7 +292,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) | |||
296 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active)); | 292 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active)); |
297 | 293 | ||
298 | end: | 294 | end: |
299 | return_VALUE(result); | 295 | return result; |
300 | } | 296 | } |
301 | 297 | ||
302 | static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) | 298 | static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) |
@@ -309,14 +305,13 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) | |||
309 | } *resource; | 305 | } *resource; |
310 | struct acpi_buffer buffer = { 0, NULL }; | 306 | struct acpi_buffer buffer = { 0, NULL }; |
311 | 307 | ||
312 | ACPI_FUNCTION_TRACE("acpi_pci_link_set"); | ||
313 | 308 | ||
314 | if (!link || !irq) | 309 | if (!link || !irq) |
315 | return_VALUE(-EINVAL); | 310 | return -EINVAL; |
316 | 311 | ||
317 | resource = kmalloc(sizeof(*resource) + 1, GFP_ATOMIC); | 312 | resource = kmalloc(sizeof(*resource) + 1, GFP_ATOMIC); |
318 | if (!resource) | 313 | if (!resource) |
319 | return_VALUE(-ENOMEM); | 314 | return -ENOMEM; |
320 | 315 | ||
321 | memset(resource, 0, sizeof(*resource) + 1); | 316 | memset(resource, 0, sizeof(*resource) + 1); |
322 | buffer.length = sizeof(*resource) + 1; | 317 | buffer.length = sizeof(*resource) + 1; |
@@ -413,7 +408,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) | |||
413 | 408 | ||
414 | end: | 409 | end: |
415 | kfree(resource); | 410 | kfree(resource); |
416 | return_VALUE(result); | 411 | return result; |
417 | } | 412 | } |
418 | 413 | ||
419 | /* -------------------------------------------------------------------------- | 414 | /* -------------------------------------------------------------------------- |
@@ -487,7 +482,6 @@ int __init acpi_irq_penalty_init(void) | |||
487 | struct acpi_pci_link *link = NULL; | 482 | struct acpi_pci_link *link = NULL; |
488 | int i = 0; | 483 | int i = 0; |
489 | 484 | ||
490 | ACPI_FUNCTION_TRACE("acpi_irq_penalty_init"); | ||
491 | 485 | ||
492 | /* | 486 | /* |
493 | * Update penalties to facilitate IRQ balancing. | 487 | * Update penalties to facilitate IRQ balancing. |
@@ -524,7 +518,7 @@ int __init acpi_irq_penalty_init(void) | |||
524 | /* Add a penalty for the SCI */ | 518 | /* Add a penalty for the SCI */ |
525 | acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING; | 519 | acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING; |
526 | 520 | ||
527 | return_VALUE(0); | 521 | return 0; |
528 | } | 522 | } |
529 | 523 | ||
530 | static int acpi_irq_balance; /* 0: static, 1: balance */ | 524 | static int acpi_irq_balance; /* 0: static, 1: balance */ |
@@ -534,13 +528,12 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) | |||
534 | int irq; | 528 | int irq; |
535 | int i; | 529 | int i; |
536 | 530 | ||
537 | ACPI_FUNCTION_TRACE("acpi_pci_link_allocate"); | ||
538 | 531 | ||
539 | if (link->irq.initialized) { | 532 | if (link->irq.initialized) { |
540 | if (link->refcnt == 0) | 533 | if (link->refcnt == 0) |
541 | /* This means the link is disabled but initialized */ | 534 | /* This means the link is disabled but initialized */ |
542 | acpi_pci_link_set(link, link->irq.active); | 535 | acpi_pci_link_set(link, link->irq.active); |
543 | return_VALUE(0); | 536 | return 0; |
544 | } | 537 | } |
545 | 538 | ||
546 | /* | 539 | /* |
@@ -587,7 +580,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) | |||
587 | "Try pci=noacpi or acpi=off\n", | 580 | "Try pci=noacpi or acpi=off\n", |
588 | acpi_device_name(link->device), | 581 | acpi_device_name(link->device), |
589 | acpi_device_bid(link->device)); | 582 | acpi_device_bid(link->device)); |
590 | return_VALUE(-ENODEV); | 583 | return -ENODEV; |
591 | } else { | 584 | } else { |
592 | acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; | 585 | acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; |
593 | printk(PREFIX "%s [%s] enabled at IRQ %d\n", | 586 | printk(PREFIX "%s [%s] enabled at IRQ %d\n", |
@@ -597,7 +590,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) | |||
597 | 590 | ||
598 | link->irq.initialized = 1; | 591 | link->irq.initialized = 1; |
599 | 592 | ||
600 | return_VALUE(0); | 593 | return 0; |
601 | } | 594 | } |
602 | 595 | ||
603 | /* | 596 | /* |
@@ -615,36 +608,35 @@ acpi_pci_link_allocate_irq(acpi_handle handle, | |||
615 | struct acpi_device *device = NULL; | 608 | struct acpi_device *device = NULL; |
616 | struct acpi_pci_link *link = NULL; | 609 | struct acpi_pci_link *link = NULL; |
617 | 610 | ||
618 | ACPI_FUNCTION_TRACE("acpi_pci_link_allocate_irq"); | ||
619 | 611 | ||
620 | result = acpi_bus_get_device(handle, &device); | 612 | result = acpi_bus_get_device(handle, &device); |
621 | if (result) { | 613 | if (result) { |
622 | printk(KERN_ERR PREFIX "Invalid link device\n"); | 614 | printk(KERN_ERR PREFIX "Invalid link device\n"); |
623 | return_VALUE(-1); | 615 | return -1; |
624 | } | 616 | } |
625 | 617 | ||
626 | link = (struct acpi_pci_link *)acpi_driver_data(device); | 618 | link = (struct acpi_pci_link *)acpi_driver_data(device); |
627 | if (!link) { | 619 | if (!link) { |
628 | printk(KERN_ERR PREFIX "Invalid link context\n"); | 620 | printk(KERN_ERR PREFIX "Invalid link context\n"); |
629 | return_VALUE(-1); | 621 | return -1; |
630 | } | 622 | } |
631 | 623 | ||
632 | /* TBD: Support multiple index (IRQ) entries per Link Device */ | 624 | /* TBD: Support multiple index (IRQ) entries per Link Device */ |
633 | if (index) { | 625 | if (index) { |
634 | printk(KERN_ERR PREFIX "Invalid index %d\n", index); | 626 | printk(KERN_ERR PREFIX "Invalid index %d\n", index); |
635 | return_VALUE(-1); | 627 | return -1; |
636 | } | 628 | } |
637 | 629 | ||
638 | mutex_lock(&acpi_link_lock); | 630 | mutex_lock(&acpi_link_lock); |
639 | if (acpi_pci_link_allocate(link)) { | 631 | if (acpi_pci_link_allocate(link)) { |
640 | mutex_unlock(&acpi_link_lock); | 632 | mutex_unlock(&acpi_link_lock); |
641 | return_VALUE(-1); | 633 | return -1; |
642 | } | 634 | } |
643 | 635 | ||
644 | if (!link->irq.active) { | 636 | if (!link->irq.active) { |
645 | mutex_unlock(&acpi_link_lock); | 637 | mutex_unlock(&acpi_link_lock); |
646 | printk(KERN_ERR PREFIX "Link active IRQ is 0!\n"); | 638 | printk(KERN_ERR PREFIX "Link active IRQ is 0!\n"); |
647 | return_VALUE(-1); | 639 | return -1; |
648 | } | 640 | } |
649 | link->refcnt++; | 641 | link->refcnt++; |
650 | mutex_unlock(&acpi_link_lock); | 642 | mutex_unlock(&acpi_link_lock); |
@@ -658,7 +650,7 @@ acpi_pci_link_allocate_irq(acpi_handle handle, | |||
658 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, | 650 | ACPI_DEBUG_PRINT((ACPI_DB_INFO, |
659 | "Link %s is referenced\n", | 651 | "Link %s is referenced\n", |
660 | acpi_device_bid(link->device))); | 652 | acpi_device_bid(link->device))); |
661 | return_VALUE(link->irq.active); | 653 | return (link->irq.active); |
662 | } | 654 | } |
663 | 655 | ||
664 | /* | 656 | /* |
@@ -671,25 +663,24 @@ int acpi_pci_link_free_irq(acpi_handle handle) | |||
671 | struct acpi_pci_link *link = NULL; | 663 | struct acpi_pci_link *link = NULL; |
672 | acpi_status result; | 664 | acpi_status result; |
673 | 665 | ||
674 | ACPI_FUNCTION_TRACE("acpi_pci_link_free_irq"); | ||
675 | 666 | ||
676 | result = acpi_bus_get_device(handle, &device); | 667 | result = acpi_bus_get_device(handle, &device); |
677 | if (result) { | 668 | if (result) { |
678 | printk(KERN_ERR PREFIX "Invalid link device\n"); | 669 | printk(KERN_ERR PREFIX "Invalid link device\n"); |
679 | return_VALUE(-1); | 670 | return -1; |
680 | } | 671 | } |
681 | 672 | ||
682 | link = (struct acpi_pci_link *)acpi_driver_data(device); | 673 | link = (struct acpi_pci_link *)acpi_driver_data(device); |
683 | if (!link) { | 674 | if (!link) { |
684 | printk(KERN_ERR PREFIX "Invalid link context\n"); | 675 | printk(KERN_ERR PREFIX "Invalid link context\n"); |
685 | return_VALUE(-1); | 676 | return -1; |
686 | } | 677 | } |
687 | 678 | ||
688 | mutex_lock(&acpi_link_lock); | 679 | mutex_lock(&acpi_link_lock); |
689 | if (!link->irq.initialized) { | 680 | if (!link->irq.initialized) { |
690 | mutex_unlock(&acpi_link_lock); | 681 | mutex_unlock(&acpi_link_lock); |
691 | printk(KERN_ERR PREFIX "Link isn't initialized\n"); | 682 | printk(KERN_ERR PREFIX "Link isn't initialized\n"); |
692 | return_VALUE(-1); | 683 | return -1; |
693 | } | 684 | } |
694 | #ifdef FUTURE_USE | 685 | #ifdef FUTURE_USE |
695 | /* | 686 | /* |
@@ -711,7 +702,7 @@ int acpi_pci_link_free_irq(acpi_handle handle) | |||
711 | acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL); | 702 | acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL); |
712 | } | 703 | } |
713 | mutex_unlock(&acpi_link_lock); | 704 | mutex_unlock(&acpi_link_lock); |
714 | return_VALUE(link->irq.active); | 705 | return (link->irq.active); |
715 | } | 706 | } |
716 | 707 | ||
717 | /* -------------------------------------------------------------------------- | 708 | /* -------------------------------------------------------------------------- |
@@ -725,14 +716,13 @@ static int acpi_pci_link_add(struct acpi_device *device) | |||
725 | int i = 0; | 716 | int i = 0; |
726 | int found = 0; | 717 | int found = 0; |
727 | 718 | ||
728 | ACPI_FUNCTION_TRACE("acpi_pci_link_add"); | ||
729 | 719 | ||
730 | if (!device) | 720 | if (!device) |
731 | return_VALUE(-EINVAL); | 721 | return -EINVAL; |
732 | 722 | ||
733 | link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL); | 723 | link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL); |
734 | if (!link) | 724 | if (!link) |
735 | return_VALUE(-ENOMEM); | 725 | return -ENOMEM; |
736 | memset(link, 0, sizeof(struct acpi_pci_link)); | 726 | memset(link, 0, sizeof(struct acpi_pci_link)); |
737 | 727 | ||
738 | link->device = device; | 728 | link->device = device; |
@@ -781,17 +771,16 @@ static int acpi_pci_link_add(struct acpi_device *device) | |||
781 | if (result) | 771 | if (result) |
782 | kfree(link); | 772 | kfree(link); |
783 | 773 | ||
784 | return_VALUE(result); | 774 | return result; |
785 | } | 775 | } |
786 | 776 | ||
787 | static int acpi_pci_link_resume(struct acpi_pci_link *link) | 777 | static int acpi_pci_link_resume(struct acpi_pci_link *link) |
788 | { | 778 | { |
789 | ACPI_FUNCTION_TRACE("acpi_pci_link_resume"); | ||
790 | 779 | ||
791 | if (link->refcnt && link->irq.active && link->irq.initialized) | 780 | if (link->refcnt && link->irq.active && link->irq.initialized) |
792 | return_VALUE(acpi_pci_link_set(link, link->irq.active)); | 781 | return (acpi_pci_link_set(link, link->irq.active)); |
793 | else | 782 | else |
794 | return_VALUE(0); | 783 | return 0; |
795 | } | 784 | } |
796 | 785 | ||
797 | /* | 786 | /* |
@@ -804,7 +793,6 @@ static int irqrouter_resume(struct sys_device *dev) | |||
804 | struct list_head *node = NULL; | 793 | struct list_head *node = NULL; |
805 | struct acpi_pci_link *link = NULL; | 794 | struct acpi_pci_link *link = NULL; |
806 | 795 | ||
807 | ACPI_FUNCTION_TRACE("irqrouter_resume"); | ||
808 | 796 | ||
809 | /* Make sure SCI is enabled again (Apple firmware bug?) */ | 797 | /* Make sure SCI is enabled again (Apple firmware bug?) */ |
810 | acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); | 798 | acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); |
@@ -819,17 +807,16 @@ static int irqrouter_resume(struct sys_device *dev) | |||
819 | acpi_pci_link_resume(link); | 807 | acpi_pci_link_resume(link); |
820 | } | 808 | } |
821 | acpi_in_resume = 0; | 809 | acpi_in_resume = 0; |
822 | return_VALUE(0); | 810 | return 0; |
823 | } | 811 | } |
824 | 812 | ||
825 | static int acpi_pci_link_remove(struct acpi_device *device, int type) | 813 | static int acpi_pci_link_remove(struct acpi_device *device, int type) |
826 | { | 814 | { |
827 | struct acpi_pci_link *link = NULL; | 815 | struct acpi_pci_link *link = NULL; |
828 | 816 | ||
829 | ACPI_FUNCTION_TRACE("acpi_pci_link_remove"); | ||
830 | 817 | ||
831 | if (!device || !acpi_driver_data(device)) | 818 | if (!device || !acpi_driver_data(device)) |
832 | return_VALUE(-EINVAL); | 819 | return -EINVAL; |
833 | 820 | ||
834 | link = (struct acpi_pci_link *)acpi_driver_data(device); | 821 | link = (struct acpi_pci_link *)acpi_driver_data(device); |
835 | 822 | ||
@@ -839,7 +826,7 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type) | |||
839 | 826 | ||
840 | kfree(link); | 827 | kfree(link); |
841 | 828 | ||
842 | return_VALUE(0); | 829 | return 0; |
843 | } | 830 | } |
844 | 831 | ||
845 | /* | 832 | /* |
@@ -945,34 +932,32 @@ static int __init irqrouter_init_sysfs(void) | |||
945 | { | 932 | { |
946 | int error; | 933 | int error; |
947 | 934 | ||
948 | ACPI_FUNCTION_TRACE("irqrouter_init_sysfs"); | ||
949 | 935 | ||
950 | if (acpi_disabled || acpi_noirq) | 936 | if (acpi_disabled || acpi_noirq) |
951 | return_VALUE(0); | 937 | return 0; |
952 | 938 | ||
953 | error = sysdev_class_register(&irqrouter_sysdev_class); | 939 | error = sysdev_class_register(&irqrouter_sysdev_class); |
954 | if (!error) | 940 | if (!error) |
955 | error = sysdev_register(&device_irqrouter); | 941 | error = sysdev_register(&device_irqrouter); |
956 | 942 | ||
957 | return_VALUE(error); | 943 | return error; |
958 | } | 944 | } |
959 | 945 | ||
960 | device_initcall(irqrouter_init_sysfs); | 946 | device_initcall(irqrouter_init_sysfs); |
961 | 947 | ||
962 | static int __init acpi_pci_link_init(void) | 948 | static int __init acpi_pci_link_init(void) |
963 | { | 949 | { |
964 | ACPI_FUNCTION_TRACE("acpi_pci_link_init"); | ||
965 | 950 | ||
966 | if (acpi_noirq) | 951 | if (acpi_noirq) |
967 | return_VALUE(0); | 952 | return 0; |
968 | 953 | ||
969 | acpi_link.count = 0; | 954 | acpi_link.count = 0; |
970 | INIT_LIST_HEAD(&acpi_link.entries); | 955 | INIT_LIST_HEAD(&acpi_link.entries); |
971 | 956 | ||
972 | if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0) | 957 | if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0) |
973 | return_VALUE(-ENODEV); | 958 | return -ENODEV; |
974 | 959 | ||
975 | return_VALUE(0); | 960 | return 0; |
976 | } | 961 | } |
977 | 962 | ||
978 | subsys_initcall(acpi_pci_link_init); | 963 | subsys_initcall(acpi_pci_link_init); |