diff options
Diffstat (limited to 'drivers/video/sgivwfb.c')
| -rw-r--r-- | drivers/video/sgivwfb.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c index 2331fadc272..b2a8912f643 100644 --- a/drivers/video/sgivwfb.c +++ b/drivers/video/sgivwfb.c @@ -705,23 +705,17 @@ static int sgivwfb_setcolreg(u_int regno, u_int red, u_int green, static int sgivwfb_mmap(struct fb_info *info, struct vm_area_struct *vma) { - unsigned long size = vma->vm_end - vma->vm_start; - unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; + int r; - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) - return -EINVAL; - if (offset + size > sgivwfb_mem_size) - return -EINVAL; - offset += sgivwfb_mem_phys; pgprot_val(vma->vm_page_prot) = - pgprot_val(vma->vm_page_prot) | _PAGE_PCD; - vma->vm_flags |= VM_IO; - if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT, - size, vma->vm_page_prot)) - return -EAGAIN; + pgprot_val(vma->vm_page_prot) | _PAGE_PCD; + + r = vm_iomap_memory(vma, sgivwfb_mem_phys, sgivwfb_mem_size); + printk(KERN_DEBUG "sgivwfb: mmap framebuffer P(%lx)->V(%lx)\n", offset, vma->vm_start); - return 0; + + return r; } int __init sgivwfb_setup(char *options) |