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PCI: x86: use generic pci_swizzle_interrupt_pin()

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Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.

Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: hpa@zytor.com
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Bjorn Helgaas 2008-12-09 16:12:37 -07:00 committed by Jesse Barnes
parent 1be9baa093
commit b1c86792a0
2 changed files with 3 additions and 8 deletions
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4
arch/x86/pci/irq.c
View file

@ -1068,7 +1068,7 @@ static void __init pcibios_fixup_irqs(void)
struct pci_dev *bridge = dev->bus->self;
int bus;
pin = (((pin - 1) + PCI_SLOT(dev->devfn)) % 4) + 1;
pin = pci_swizzle_interrupt_pin(dev, pin);
bus = bridge->bus->number;
irq = IO_APIC_get_PCI_irq_vector(bus,
PCI_SLOT(bridge->devfn), pin - 1);
@ -1232,7 +1232,7 @@ static int pirq_enable_irq(struct pci_dev *dev)
while (irq < 0 && dev->bus->parent) { /* go back to the bridge */
struct pci_dev *bridge = dev->bus->self;
pin = (((pin - 1) + PCI_SLOT(dev->devfn)) % 4) + 1;
pin = pci_swizzle_interrupt_pin(dev, pin);
irq = IO_APIC_get_PCI_irq_vector(bridge->bus->number,
PCI_SLOT(bridge->devfn), pin - 1);
if (irq >= 0)

7
arch/x86/pci/visws.c
View file

@ -24,17 +24,12 @@ static void pci_visws_disable_irq(struct pci_dev *dev) { }
unsigned int pci_bus0, pci_bus1;
static inline u8 bridge_swizzle(u8 pin, u8 slot)
{
return (((pin - 1) + slot) % 4) + 1;
}
static u8 __init visws_swizzle(struct pci_dev *dev, u8 *pinp)
{
u8 pin = *pinp;
while (dev->bus->self) { /* Move up the chain of bridges. */
pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
pin = pci_swizzle_interrupt_pin(dev, pin);
dev = dev->bus->self;
}
*pinp = pin;