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Commit 11bd5933 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

fbdev/ps3fb: use vm_iomap_memory() 



Use vm_iomap_memory() instead of [io_]remap_pfn_range().
vm_iomap_memory() gives us much simpler API to map memory to userspace,
and reduces possibilities for bugs.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
parent c84deb9d

drivers/video/ps3fb.c

+6 −12
Original line number Original line Diff line number Diff line
@@ -705,21 +705,15 @@ static int ps3fb_pan_display(struct fb_var_screeninfo *var, 




static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)

static int ps3fb_mmap(struct fb_info *info, struct vm_area_struct *vma)

{

{

	unsigned long size, offset;

	int r;





	size = vma->vm_end - vma->vm_start;

	r = vm_iomap_memory(vma, info->fix.smem_start, info->fix.smem_len);

	offset = vma->vm_pgoff << PAGE_SHIFT;

	if (offset + size > info->fix.smem_len)

		return -EINVAL;



	offset += info->fix.smem_start;

	if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,

			    size, vma->vm_page_prot))

		return -EAGAIN;





	dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",

	dev_dbg(info->device, "ps3fb: mmap framebuffer P(%lx)->V(%lx)\n",

		offset, vma->vm_start);

		info->fix.smem_start + vma->vm_pgoff << PAGE_SHIFT,

	return 0;

		vma->vm_start);



	return r;

}

}





    /*

    /*