[SPARC]: Respect vm_page_prot in io_remap_page_range().

Make sure the callers do a pgprot_noncached() on
vma->vm_page_prot.

Pointed out by Hugh Dickens.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/video/sbuslib.c b/drivers/video/sbuslib.c
index a4d7cc51ce0b..34ef859ee414 100644
--- a/drivers/video/sbuslib.c
+++ b/drivers/video/sbuslib.c
@@ -58,6 +58,8 @@ int sbusfb_mmap_helper(struct sbus_mmap_map *map,
         /* To stop the swapper from even considering these pages */
         vma->vm_flags |= (VM_IO | VM_RESERVED);
         
+        vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
         /* Each page, see which map applies */
         for (page = 0; page < size; ){
                 map_size = 0;