[AGPGART] uninorth-agp warning fixes

drivers/char/agp/uninorth-agp.c: In function `agp_uninorth_suspend':
drivers/char/agp/uninorth-agp.c:332: warning: cast to pointer from integer of different size
drivers/char/agp/uninorth-agp.c: In function `agp_uninorth_resume':
drivers/char/agp/uninorth-agp.c:354: warning: cast from pointer to integer of different size

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dave Jones <davej@redhat.com>
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 9846def..1de1b12 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -329,7 +329,7 @@
 	/* turn off AGP on the bridge */
 	agp = pci_find_capability(pdev, PCI_CAP_ID_AGP);
 	pci_read_config_dword(pdev, agp + PCI_AGP_COMMAND, &cmd);
-	bridge->dev_private_data = (void *)cmd;
+	bridge->dev_private_data = (void *)(long)cmd;
 	if (cmd & PCI_AGP_COMMAND_AGP) {
 		printk("uninorth-agp: disabling AGP on bridge %s\n",
 				pci_name(pdev));
@@ -351,7 +351,7 @@
 	if (bridge == NULL)
 		return -ENODEV;
 
-	command = (u32)bridge->dev_private_data;
+	command = (long)bridge->dev_private_data;
 	bridge->dev_private_data = NULL;
 	if (!(command & PCI_AGP_COMMAND_AGP))
 		return 0;