Hi Alan, a couple of nits below. On Wed, Feb 17, 2016 at 9:41 AM, Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> wrote: > > +/* > + * Send overlay callbacks to handlers that match. This call is blocking. In Can we make this 'Invoke' instead of send? > @@ -370,6 +448,13 @@ int of_overlay_create(struct device_node *tree) > goto err_free_idr; > } > > + err = send_overlay_callbacks(ov, OF_OVERLAY_PRE_APPLY); Again ... maybe invoke ;-) > + if (err < 0) { > + pr_err("%s: Pre apply handler failed (err=%d)\n", > + __func__, err); > + goto err_free_idr; > + } > + > /* apply the overlay */ > err = of_overlay_apply(ov); > if (err) { > @@ -389,6 +474,8 @@ int of_overlay_create(struct device_node *tree) > /* add to the tail of the overlay list */ > list_add_tail(&ov->node, &ov_list); > > + send_overlay_callbacks(ov, OF_OVERLAY_POST_APPLY); And again :) > diff --git a/include/linux/of.h b/include/linux/of.h > index dc6e396..def9481 100644 > --- a/include/linux/of.h > +++ b/include/linux/of.h > @@ -101,9 +101,33 @@ static inline int of_node_is_attached(struct device_node *node) > return node && node->kobj.state_in_sysfs; > } > > +/* Callback types */ > +#define OF_OVERLAY_PRE_APPLY (0) > +#define OF_OVERLAY_POST_APPLY (1) > +#define OF_OVERLAY_PRE_REMOVE (2) > +#define OF_OVERLAY_POST_REMOVE (3) Can we make this an enum? Cheers, Moritz -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html