There's no reason to require subdevices to implement the core operations. Remove the check for non-NULL core operations when initializing the subdev. Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> --- include/media/v4l2-subdev.h | 3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/include/media/v4l2-subdev.h b/include/media/v4l2-subdev.h index daf1e57..2f2dea2 100644 --- a/include/media/v4l2-subdev.h +++ b/include/media/v4l2-subdev.h @@ -479,8 +479,7 @@ static inline void v4l2_subdev_init(struct v4l2_subdev *sd, const struct v4l2_subdev_ops *ops) { INIT_LIST_HEAD(&sd->list); - /* ops->core MUST be set */ - BUG_ON(!ops || !ops->core); + BUG_ON(!ops); sd->ops = ops; sd->v4l2_dev = NULL; sd->flags = 0; -- 1.7.3.4 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html