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path: root/drivers/char/agp/sworks-agp.c
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Diffstat (limited to 'drivers/char/agp/sworks-agp.c')
-rw-r--r--drivers/char/agp/sworks-agp.c18
1 files changed, 5 insertions, 13 deletions
diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c
index 551ef25063ef..ae06f8982068 100644
--- a/drivers/char/agp/sworks-agp.c
+++ b/drivers/char/agp/sworks-agp.c
@@ -52,28 +52,20 @@ static int serverworks_create_page_map(struct serverworks_page_map *page_map)
if (page_map->real == NULL) {
return -ENOMEM;
}
- SetPageReserved(virt_to_page(page_map->real));
- global_cache_flush();
- page_map->remapped = ioremap_nocache(virt_to_gart(page_map->real),
- PAGE_SIZE);
- if (page_map->remapped == NULL) {
- ClearPageReserved(virt_to_page(page_map->real));
- free_page((unsigned long) page_map->real);
- page_map->real = NULL;
- return -ENOMEM;
- }
- global_cache_flush();
+
+ set_memory_uc(page_map->real, 1);
+ page_map->remapped = page_map->real;
for (i = 0; i < PAGE_SIZE / sizeof(unsigned long); i++)
writel(agp_bridge->scratch_page, page_map->remapped+i);
+ /* Red Pen: Everyone else does pci posting flush here */
return 0;
}
static void serverworks_free_page_map(struct serverworks_page_map *page_map)
{
- iounmap(page_map->remapped);
- ClearPageReserved(virt_to_page(page_map->real));
+ set_memory_wb(page_map->real, 1);
free_page((unsigned long) page_map->real);
}