EXPORT_SYMBOL(pcibios_bus_to_resource);
#endif
-/*
- * This is the standard PCI-PCI bridge swizzling algorithm:
- *
- * Dev: 0 1 2 3
- * A A B C D
- * B B C D A
- * C C D A B
- * D D A B C
- * ^^^^^^^^^^ irq pin on bridge
- */
-u8 __devinit pci_std_swizzle(struct pci_dev *dev, u8 *pinp)
-{
- int pin = *pinp - 1;
-
- while (dev->bus->self) {
- pin = (pin + PCI_SLOT(dev->devfn)) & 3;
- /*
- * move up the chain of bridges,
- * swizzling as we go.
- */
- dev = dev->bus->self;
- }
- *pinp = pin + 1;
-
- return PCI_SLOT(dev->devfn);
-}
-
/*
* Swizzle the device pin each time we cross a bridge.
* This might update pin and returns the slot number.