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-rw-r--r--drivers/acpi/pci_irq.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index c6a0364715ce..9302f4bb89e2 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -333,7 +333,7 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry,
333 *polarity = ACPI_ACTIVE_LOW; 333 *polarity = ACPI_ACTIVE_LOW;
334 } 334 }
335 335
336 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq)); 336 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found GSI %d\n", irq));
337 return irq; 337 return irq;
338} 338}
339 339
@@ -432,7 +432,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
432 return -1; 432 return -1;
433 } 433 }
434 434
435 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derive IRQ %d for device %s from %s\n", 435 ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derive GSI %d for device %s from %s\n",
436 irq, pci_name(dev), pci_name(bridge))); 436 irq, pci_name(dev), pci_name(bridge)));
437 437
438 return irq; 438 return irq;
@@ -446,7 +446,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
446 446
447int acpi_pci_irq_enable(struct pci_dev *dev) 447int acpi_pci_irq_enable(struct pci_dev *dev)
448{ 448{
449 int irq = 0; 449 int gsi = 0;
450 u8 pin = 0; 450 u8 pin = 0;
451 int triggering = ACPI_LEVEL_SENSITIVE; 451 int triggering = ACPI_LEVEL_SENSITIVE;
452 int polarity = ACPI_ACTIVE_LOW; 452 int polarity = ACPI_ACTIVE_LOW;
@@ -468,7 +468,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
468 * First we check the PCI IRQ routing table (PRT) for an IRQ. PRT 468 * First we check the PCI IRQ routing table (PRT) for an IRQ. PRT
469 * values override any BIOS-assigned IRQs set during boot. 469 * values override any BIOS-assigned IRQs set during boot.
470 */ 470 */
471 irq = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin, 471 gsi = acpi_pci_irq_lookup(dev->bus, PCI_SLOT(dev->devfn), pin,
472 &triggering, &polarity, &link, 472 &triggering, &polarity, &link,
473 acpi_pci_allocate_irq); 473 acpi_pci_allocate_irq);
474 474
@@ -476,12 +476,12 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
476 * If no PRT entry was found, we'll try to derive an IRQ from the 476 * If no PRT entry was found, we'll try to derive an IRQ from the
477 * device's parent bridge. 477 * device's parent bridge.
478 */ 478 */
479 if (irq < 0) 479 if (gsi < 0)
480 irq = acpi_pci_irq_derive(dev, pin, &triggering, 480 gsi = acpi_pci_irq_derive(dev, pin, &triggering,
481 &polarity, &link, 481 &polarity, &link,
482 acpi_pci_allocate_irq); 482 acpi_pci_allocate_irq);
483 483
484 if (irq < 0) { 484 if (gsi < 0) {
485 /* 485 /*
486 * IDE legacy mode controller IRQs are magic. Why do compat 486 * IDE legacy mode controller IRQs are magic. Why do compat
487 * extensions always make such a nasty mess. 487 * extensions always make such a nasty mess.
@@ -494,7 +494,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
494 * No IRQ known to the ACPI subsystem - maybe the BIOS / 494 * No IRQ known to the ACPI subsystem - maybe the BIOS /
495 * driver reported one, then use it. Exit in any case. 495 * driver reported one, then use it. Exit in any case.
496 */ 496 */
497 if (irq < 0) { 497 if (gsi < 0) {
498 dev_warn(&dev->dev, "PCI INT %c: no GSI", 'A' + pin); 498 dev_warn(&dev->dev, "PCI INT %c: no GSI", 'A' + pin);
499 /* Interrupt Line values above 0xF are forbidden */ 499 /* Interrupt Line values above 0xF are forbidden */
500 if (dev->irq > 0 && (dev->irq <= 0xF)) { 500 if (dev->irq > 0 && (dev->irq <= 0xF)) {
@@ -508,7 +508,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
508 } 508 }
509 } 509 }
510 510
511 rc = acpi_register_gsi(irq, triggering, polarity); 511 rc = acpi_register_gsi(gsi, triggering, polarity);
512 if (rc < 0) { 512 if (rc < 0) {
513 dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n", 513 dev_warn(&dev->dev, "PCI INT %c: failed to register GSI\n",
514 'A' + pin); 514 'A' + pin);
@@ -522,7 +522,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
522 link_desc[0] = '\0'; 522 link_desc[0] = '\0';
523 523
524 dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n", 524 dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
525 'A' + pin, link_desc, irq, 525 'A' + pin, link_desc, gsi,
526 (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", 526 (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
527 (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); 527 (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
528 528