diff options
Diffstat (limited to 'drivers/video/au1200fb.c')
| -rw-r--r-- | drivers/video/au1200fb.c | 26 |
1 files changed, 1 insertions, 25 deletions
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c index 0d96f1d2d4c5..5d6e5096084d 100644 --- a/drivers/video/au1200fb.c +++ b/drivers/video/au1200fb.c @@ -1241,42 +1241,18 @@ 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 = (struct au1200fb_device *) info; #ifdef CONFIG_PM au1xxx_pm_access(LCD_pm_dev); #endif - - 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 */ vma->vm_flags |= VM_IO; - return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); - - return 0; + 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) |