acornfb: remove fb_mmap function

	return 0;

}

/*

 * Note that we are entered with the kernel locked.

 */

static int

acornfb_mmap(struct fb_info *info, struct vm_area_struct *vma)

{

	unsigned long off, start;

	u32 len;

	off = vma->vm_pgoff << PAGE_SHIFT;

	start = info->fix.smem_start;

	len = PAGE_ALIGN(start & ~PAGE_MASK) + info->fix.smem_len;

	start &= PAGE_MASK;

	if ((vma->vm_end - vma->vm_start + off) > len)

		return -EINVAL;

	off += start;

	vma->vm_pgoff = off >> PAGE_SHIFT;

	/* This is an IO map - tell maydump to skip this VMA */

	vma->vm_flags |= VM_IO;

	vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);

	/*

	 * Don't alter the page protection flags; we want to keep the area

	 * cached for better performance.  This does mean that we may miss

	 * some updates to the screen occasionally, but process switches

	 * should cause the caches and buffers to be flushed often enough.

	 */

	if (io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT,

				vma->vm_end - vma->vm_start,

				vma->vm_page_prot))

		return -EAGAIN;

	return 0;

}

static struct fb_ops acornfb_ops = {

	.owner		= THIS_MODULE,

	.fb_check_var	= acornfb_check_var,

	.fb_fillrect	= cfb_fillrect,

	.fb_copyarea	= cfb_copyarea,

	.fb_imageblit	= cfb_imageblit,

	.fb_mmap	= acornfb_mmap,

};

/*