bcap_dev->sensor_formats = NULL;
 }
 
-#ifndef CONFIG_MMU
-static unsigned long bcap_get_unmapped_area(struct file *file,
-                                           unsigned long addr,
-                                           unsigned long len,
-                                           unsigned long pgoff,
-                                           unsigned long flags)
-{
-       struct bcap_device *bcap_dev = video_drvdata(file);
-
-       return vb2_get_unmapped_area(&bcap_dev->buffer_queue,
-                                    addr,
-                                    len,
-                                    pgoff,
-                                    flags);
-}
-#endif
-
 static int bcap_queue_setup(struct vb2_queue *vq,
                                const struct v4l2_format *fmt,
                                unsigned int *nbuffers, unsigned int *nplanes,
        .unlocked_ioctl = video_ioctl2,
        .mmap = vb2_fop_mmap,
 #ifndef CONFIG_MMU
-       .get_unmapped_area = bcap_get_unmapped_area,
+       .get_unmapped_area = vb2_fop_get_unmapped_area,
 #endif
        .poll = vb2_fop_poll
 };