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path: root/drivers/acpi/pci_irq.c
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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 726dda1fce1..65aee79b397 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,
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 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
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 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
if (!dev || !dev->bus)
return_VOID;
- pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
+ pin = dev->pin;
if (!pin)
return_VOID;
pin--;