[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>
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 09567c2..e567c03 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -361,8 +361,7 @@
if ((bridge->class >> 8) == PCI_CLASS_BRIDGE_CARDBUS) {
/* PC card has the same IRQ as its cardbridge */
- pci_read_config_byte(bridge, PCI_INTERRUPT_PIN,
- &bridge_pin);
+ bridge_pin = bridge->pin;
if (!bridge_pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@@ -412,7 +411,7 @@
if (!dev)
return_VALUE(-EINVAL);
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ pin = dev->pin;
if (!pin) {
ACPI_DEBUG_PRINT((ACPI_DB_INFO,
"No interrupt pin configured for device %s\n",
@@ -503,7 +502,7 @@
if (!dev || !dev->bus)
return_VOID;
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ pin = dev->pin;
if (!pin)
return_VOID;
pin--;