Since arcfb's framebuffer is vmalloc'ed, use the fb_sys_read().
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        select FB_SYS_FILLRECT
        select FB_SYS_COPYAREA
        select FB_SYS_IMAGEBLIT
+       select FB_SYS_FOPS
        help
          This enables support for the Arc Monochrome LCD board. The board
          is based on the KS-108 lcd controller and is typically a matrix
 
 static struct fb_ops arcfb_ops = {
        .owner          = THIS_MODULE,
        .fb_open        = arcfb_open,
+       .fb_read        = fb_sys_read,
        .fb_write       = arcfb_write,
        .fb_release     = arcfb_release,
        .fb_pan_display = arcfb_pan_display,