Use the generic pci_swizzle_interrupt_pin() instead of arch-specific code.
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
u8 pin = *pinp;
while (dev->bus->parent) {
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
}
* 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. The routine
+ * pci_swizzle_interrupt_pin() swizzles for exactly one bridge. The routine
* common_swizzle below handles multiple bridges. But there are a
- * couple boards that do strange things, so we define this here.
+ * couple boards that do strange things.
*/
-static inline u8 bridge_swizzle(u8 pin, u8 slot)
-{
- return (((pin-1) + slot) % 4) + 1;
-}
-
/* The following macro is used to implement the table-based irq mapping
function for all single-bus Alphas. */
slot = PCI_SLOT(dev->devfn);
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ;
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
break;
}
/* Must be a card-based bridge. */
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
slot = PCI_SLOT(dev->devfn) + 9;
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
slot = PCI_SLOT(dev->devfn) + 15;
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ;
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
slot = PCI_SLOT(dev->devfn) + 10;
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn));
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;
slot = PCI_SLOT(dev->devfn) + 11;
break;
}
- pin = bridge_swizzle(pin, PCI_SLOT(dev->devfn)) ;
+ pin = pci_swizzle_interrupt_pin(dev, pin);
/* Move up the chain of bridges. */
dev = dev->bus->self;