[ARM PATCH] 2348/1: Fix IXDP2800 PCI irq mapping

Patch from Deepak Saxena

Our case statments are looking at the devfn, but the existing code
does a switch(PCI_SLOT(dev->devfn)). This causes all PCI devices 
behind the first bridge to be configured with IRQ 0. Bad.

Signed-off-by: Deepak Saxena
Signed-off-by: Russell King

arch/arm/mach-ixp2000/ixdp2800.c

@@ -113,7 +113,7 @@ static int __init ixdp2800_pci_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 		 * Device behind the first bridge
 		 */
 		if(dev->bus->self->devfn == IXDP2X00_P2P_DEVFN) {
-			switch(PCI_SLOT(dev->devfn)) {
+			switch(dev->devfn) {
 				case IXDP2X00_PMC_DEVFN:
 					return IRQ_IXDP2800_PMC;