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authorKristen Accardi <kristen.c.accardi@intel.com>2005-11-02 19:24:35 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-01-09 15:13:13 -0500
commit8015a01486a0f789c9e98e8bf1f12a3ccb535b30 (patch)
tree5130afa6067e14d179226693cfae88819c5358f6 /drivers/acpi/pci_irq.c
parentffeff788d6b10e342b4a887f28d339dfec1737f6 (diff)
[PATCH] apci: use pin stored in pci_dev
Use the stored value of the Interrupt Pin, rather than try to read it again. Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/acpi/pci_irq.c')
-rw-r--r--drivers/acpi/pci_irq.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 09567c2edcfb..e567c03b238e 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -361,8 +361,7 @@ acpi_pci_irq_derive(struct pci_dev *dev,
361 361
362 if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) { 362 if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
363 /* PC card has the same IRQ as its cardbridge */ 363 /* PC card has the same IRQ as its cardbridge */
364 pci_read_config_byte(bridge, PCI_INTERRUPT_PIN, 364 bridge_pin = bridge->pin;
365 &bridge_pin);
366 if (!bridge_pin) { 365 if (!bridge_pin) {
367 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 366 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
368 "No interrupt pin configured for device %s\n", 367 "No interrupt pin configured for device %s\n",
@@ -412,7 +411,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
412 if (!dev) 411 if (!dev)
413 return_VALUE(-EINVAL); 412 return_VALUE(-EINVAL);
414 413
415 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); 414 pin = dev->pin;
416 if (!pin) { 415 if (!pin) {
417 ACPI_DEBUG_PRINT((ACPI_DB_INFO, 416 ACPI_DEBUG_PRINT((ACPI_DB_INFO,
418 "No interrupt pin configured for device %s\n", 417 "No interrupt pin configured for device %s\n",
@@ -503,7 +502,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
503 if (!dev || !dev->bus) 502 if (!dev || !dev->bus)
504 return_VOID; 503 return_VOID;
505 504
506 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin); 505 pin = dev->pin;
507 if (!pin) 506 if (!pin)
508 return_VOID; 507 return_VOID;
509 pin--; 508 pin--;