PCI: arm: use generic pci_swizzle_interrupt_pin()
Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
diff --git a/arch/arm/mach-integrator/pci.c b/arch/arm/mach-integrator/pci.c
index af7d3ff..2fdb954 100644
--- a/arch/arm/mach-integrator/pci.c
+++ b/arch/arm/mach-integrator/pci.c
@@ -63,13 +63,7 @@
*
* Where A = pin 1, B = pin 2 and so on and pin=0 = default = A.
* Thus, each swizzle is ((pin-1) + (device#-4)) % 4
- *
- * The following code swizzles for exactly one bridge.
*/
-static inline int bridge_swizzle(int pin, unsigned int slot)
-{
- return (pin + slot) & 3;
-}
/*
* This routine handles multiple bridges.
@@ -81,15 +75,14 @@
if (pin == 0)
pin = 1;
- pin -= 1;
while (dev->bus->self) {
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/*
* move up the chain of bridges, swizzling as we go.
*/
dev = dev->bus->self;
}
- *pinp = pin + 1;
+ *pinp = pin;
return PCI_SLOT(dev->devfn);
}