agp: fix missing casts that produced a warning.

Signed-off-by: Dave Airlie <airlied@redhat.com>

drivers/char/agp/amd-k7-agp.c

@@ -54,7 +54,7 @@ static int amd_create_page_map(struct amd_page_map *page_map)
 	}
 	global_cache_flush();
 #else
-	set_memory_uc(page_map->real, 1);
+	set_memory_uc((unsigned long)page_map->real, 1);
 	page_map->remapped = page_map->real;
 #endif
 
@@ -72,7 +72,7 @@ static void amd_free_page_map(struct amd_page_map *page_map)
 	iounmap(page_map->remapped);
 	ClearPageReserved(virt_to_page(page_map->real));
 #else
-	set_memory_wb(page_map->real, 1);
+	set_memory_wb((unsigned long)page_map->real, 1);
 #endif
 	free_page((unsigned long) page_map->real);
 }

drivers/char/agp/ati-agp.c

@@ -60,7 +60,7 @@ static int ati_create_page_map(struct ati_page_map *page_map)
 	if (page_map->real == NULL)
 		return -ENOMEM;
 
-	set_memory_uc(page_map->real, 1);
+	set_memory_uc((unsigned long)page_map->real, 1);
 	err = map_page_into_agp(virt_to_page(page_map->real));
 	page_map->remapped = page_map->real;
 
@@ -76,7 +76,7 @@ static int ati_create_page_map(struct ati_page_map *page_map)
 static void ati_free_page_map(struct ati_page_map *page_map)
 {
 	unmap_page_from_agp(virt_to_page(page_map->real));
-	set_memory_wb(page_map->real, 1);
+	set_memory_wb((unsigned long)page_map->real, 1);
 	free_page((unsigned long) page_map->real);
 }
 

drivers/char/agp/sworks-agp.c

@@ -53,7 +53,7 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map)
 		return -ENOMEM;
 	}
 
-	set_memory_uc(page_map->real, 1);
+	set_memory_uc((unsigned long)page_map->real, 1);
 	page_map->remapped = page_map->real;
 
 	for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++)
@@ -65,7 +65,7 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map)
 
 static void serverworks_free_page_map(struct serverworks_page_map *page_map)
 {
-	set_memory_wb(page_map->real, 1);
+	set_memory_wb((unsigned long)page_map->real, 1);
 	free_page((unsigned long) page_map->real);
 }