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path: root/drivers/video/au1200fb.c
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Diffstat (limited to 'drivers/video/au1200fb.c')
-rw-r--r--drivers/video/au1200fb.c39
1 files changed, 2 insertions, 37 deletions
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 301224ecc950..4cfba78a1458 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1233,34 +1233,13 @@ static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi)
* method mainly to allow the use of the TLB streaming flag (CCA=6)
*/
static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-
{
- unsigned int len;
- unsigned long start=0, off;
struct au1200fb_device *fbdev = info->par;
- if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) {
- return -EINVAL;
- }
-
- start = fbdev->fb_phys & PAGE_MASK;
- len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len);
-
- off = vma->vm_pgoff << PAGE_SHIFT;
-
- if ((vma->vm_end - vma->vm_start + off) > len) {
- return -EINVAL;
- }
-
- off += start;
- vma->vm_pgoff = off >> PAGE_SHIFT;
-
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */
- return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,
- vma->vm_end - vma->vm_start,
- vma->vm_page_prot);
+ return vm_iomap_memory(vma, fbdev->fb_phys, fbdev->fb_len);
}
static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata)
@@ -1874,21 +1853,7 @@ static struct platform_driver au1200fb_driver = {
.probe = au1200fb_drv_probe,
.remove = au1200fb_drv_remove,
};
-
-/*-------------------------------------------------------------------------*/
-
-static int __init au1200fb_init(void)
-{
- return platform_driver_register(&au1200fb_driver);
-}
-
-static void __exit au1200fb_cleanup(void)
-{
- platform_driver_unregister(&au1200fb_driver);
-}
-
-module_init(au1200fb_init);
-module_exit(au1200fb_cleanup);
+module_platform_driver(au1200fb_driver);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");