[PATCH] alpha: switch to pci_get API

Now that we have pci_get_bus_and_slot we can do the job correctly.  Note that
some of these calls intentionally leak a device - this is because the device
in question is always needed from boot to reboot.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/alpha/kernel/pci.c

@@ -516,10 +516,11 @@ sys_pciconfig_iobase(long which, unsigned long bus, unsigned long dfn)
 		if (bus == 0 && dfn == 0) {
 			hose = pci_isa_hose;
 		} else {
-			dev = pci_find_slot(bus, dfn);
+			dev = pci_get_bus_and_slot(bus, dfn);
 			if (!dev)
 				return -ENODEV;
 			hose = dev->sysdata;
+			pci_dev_put(dev);
 		}
 	}
 

arch/alpha/kernel/sys_miata.c

@@ -183,11 +183,15 @@ miata_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 
 	if((slot == 7) && (PCI_FUNC(dev->devfn) == 3)) {
 		u8 irq=0;
-
-		if(pci_read_config_byte(pci_find_slot(dev->bus->number, dev->devfn & ~(7)), 0x40,&irq)!=PCIBIOS_SUCCESSFUL)
+		struct pci_dev *pdev = pci_get_slot(dev->bus, dev->devfn & ~7);
+		if(pdev == NULL || pci_read_config_byte(pdev, 0x40,&irq) != PCIBIOS_SUCCESSFUL) {
+			pci_dev_put(pdev);
 			return -1;
-		else	
+		}
+		else	{
+			pci_dev_put(pdev);
 			return irq;
+		}
 	}
 
 	return COMMON_TABLE_LOOKUP;

arch/alpha/kernel/sys_nautilus.c

@@ -200,7 +200,7 @@ nautilus_init_pci(void)
 	bus = pci_scan_bus(0, alpha_mv.pci_ops, hose);
 	hose->bus = bus;
 
-	irongate = pci_find_slot(0, 0);
+	irongate = pci_get_bus_and_slot(0, 0);
 	bus->self = irongate;
 	bus->resource[1] = &irongate_mem;