drm: Pass pointers to virt_to_page()
authorBen Hutchings <ben@decadent.org.uk>
Sun, 27 Oct 2013 21:52:39 +0000 (21:52 +0000)
committerDave Airlie <airlied@redhat.com>
Wed, 6 Nov 2013 03:23:20 +0000 (13:23 +1000)
Most architectures define virt_to_page() as a macro that casts its
argument such that an argument of type unsigned long will be accepted
without complaint.  However, the proper type is void *, and passing
unsigned long results in a warning on MIPS.

Compile-tested only.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/drm_pci.c
drivers/gpu/drm/drm_vm.c

index f00d7a9671eadf5761c70103c5df67cd5aadabcf..02679793c9e2e73d3d175136bbfb638a7cd0784f 100644 (file)
@@ -80,7 +80,7 @@ drm_dma_handle_t *drm_pci_alloc(struct drm_device * dev, size_t size, size_t ali
        /* Reserve */
        for (addr = (unsigned long)dmah->vaddr, sz = size;
             sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-               SetPageReserved(virt_to_page(addr));
+               SetPageReserved(virt_to_page((void *)addr));
        }
 
        return dmah;
@@ -103,7 +103,7 @@ void __drm_pci_free(struct drm_device * dev, drm_dma_handle_t * dmah)
                /* Unreserve */
                for (addr = (unsigned long)dmah->vaddr, sz = dmah->size;
                     sz > 0; addr += PAGE_SIZE, sz -= PAGE_SIZE) {
-                       ClearPageReserved(virt_to_page(addr));
+                       ClearPageReserved(virt_to_page((void *)addr));
                }
                dma_free_coherent(&dev->pdev->dev, dmah->size, dmah->vaddr,
                                  dmah->busaddr);
index 8ef6503488e02eccedeabc047ddebc82abe10949..93e95d7efd575fc7bf084e431ae560793e733728 100644 (file)
@@ -301,7 +301,7 @@ static int drm_do_vm_dma_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 
        offset = (unsigned long)vmf->virtual_address - vma->vm_start;   /* vm_[pg]off[set] should be 0 */
        page_nr = offset >> PAGE_SHIFT; /* page_nr could just be vmf->pgoff */
-       page = virt_to_page(dma->pagelist[page_nr]);
+       page = virt_to_page((void *)dma->pagelist[page_nr]);
 
        get_page(page);
        vmf->page = page;