UIO: add pgprot_noncached() to UIO mmap code

[karo-tx-linux.git] / drivers / uio / uio.c

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index e8a01f264540e1cb9675eb821e0f3769c7a9667c..11759080ca547058809b516aaacbc8f979ff77d5 100644 (file)
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -470,6 +470,8 @@ static int uio_mmap_physical(struct vm_area_struct *vma)
 
        vma->vm_flags |= VM_IO | VM_RESERVED;
 
+       vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+
        return remap_pfn_range(vma,
                               vma->vm_start,
                               idev->info->mem[mi].addr >> PAGE_SHIFT,