--- zzzz-none-000/linux-2.4.17/arch/mips/kernel/pci.c	2001-09-09 17:43:01.000000000 +0000
+++ sangam-fb-322/linux-2.4.17/arch/mips/kernel/pci.c	2004-11-24 13:22:35.000000000 +0000
@@ -99,9 +99,44 @@
 	pcibios_fixup_irqs();
 }
 
+/*
+ * pciauto_assign_resources() will enable all devices found, so
+ * pcibios_enable_device() appears redundant. However, there
+ * are platforms that intentionally make pci_auto skip some
+ * devices that have default power-up resource assignments that
+ * can't be modified, so we still need to enable those.
+ */
 int pcibios_enable_device(struct pci_dev *dev)
 {
-	/* pciauto_assign_resources() will enable all devices found */
+	/* fixme: this function should be present for all boards.
+	 * However, it was too late in the release cycle to enable
+	 * it. We'll enable it later ...
+	 */
+#if defined(CONFIG_MIPS_ITE8172) || defined(CONFIG_MIPS_IVR)
+	u16 cmd, old_cmd;
+	int fn;
+	struct resource *r;
+
+	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	old_cmd = cmd;
+	for (fn = 0; fn < 6; fn++) {
+		r = &dev->resource[fn];
+		if (!r->start && r->end) {
+			printk(KERN_ERR "PCI: Device %s not available because "
+			       "of resource collisions\n", dev->slot_name);
+			return -EINVAL;
+		}
+		if (r->flags & IORESOURCE_IO)
+			cmd |= PCI_COMMAND_IO;
+		if (r->flags & IORESOURCE_MEM)
+			cmd |= PCI_COMMAND_MEMORY;
+	}
+	if (cmd != old_cmd) {
+		printk("PCI: Enabling device %s (%04x -> %04x)\n",
+		       dev->slot_name, old_cmd, cmd);
+		pci_write_config_word(dev, PCI_COMMAND, cmd);
+	}
+#endif
 	return 0;
 }