[PATCH] alpha pcibios_claim_console_setup fix

pcibios_claim_console_setup() doesn't look behind PCI-PCI bridges.

Noticed by Anton Blanchard.

Ivan.

arch/alpha/kernel/pci.c

@@ -393,13 +393,10 @@ pcibios_set_master(struct pci_dev *dev)
 }
 
 static void __init
-pcibios_claim_console_setup(void)
+pcibios_claim_one_bus(struct pci_bus *b)
 {
-	struct list_head *lb;
-
-	for(lb = pci_root_buses.next; lb != &pci_root_buses; lb = lb->next) {
-		struct pci_bus *b = pci_bus_b(lb);
 	struct list_head *ld;
+	struct pci_bus *child_bus;
 
 	for (ld = b->devices.next; ld != &b->devices; ld = ld->next) {
 		struct pci_dev *dev = pci_dev_b(ld);
@@ -413,6 +410,19 @@ pcibios_claim_console_setup(void)
 			pci_claim_resource(dev, i);
 		}
 	}
+
+	list_for_each_entry(child_bus, &b->children, node)
+		pcibios_claim_one_bus(child_bus);
+}
+
+static void __init
+pcibios_claim_console_setup(void)
+{
+	struct list_head *lb;
+
+	for(lb = pci_root_buses.next; lb != &pci_root_buses; lb = lb->next) {
+		struct pci_bus *b = pci_bus_b(lb);
+		pcibios_claim_one_bus(b);
 	}
 }