From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nblzone-211-213.nblnetworks.fi ([83.145.211.213]:48198 "EHLO hillosipuli.retiisi.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751798AbcJGWuy (ORCPT ); Fri, 7 Oct 2016 18:50:54 -0400 Date: Sat, 8 Oct 2016 01:50:18 +0300 From: Sakari Ailus To: Philipp Zabel Cc: linux-media@vger.kernel.org, Steve Longerbeam , Marek Vasut , Hans Verkuil , kernel@pengutronix.de Subject: Re: [PATCH 03/22] [media] v4l: of: add v4l2_of_subdev_registered Message-ID: <20161007225018.GD9460@valkosipuli.retiisi.org.uk> References: <20161007160107.5074-1-p.zabel@pengutronix.de> <20161007160107.5074-4-p.zabel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20161007160107.5074-4-p.zabel@pengutronix.de> Sender: linux-media-owner@vger.kernel.org List-ID: Hi Philipp, On Fri, Oct 07, 2016 at 06:00:48PM +0200, Philipp Zabel wrote: > Provide a default registered callback for device tree probed subdevices > that use OF graph bindings to add still missing source subdevices to > the async notifier waiting list. > This is only necessary for subdevices that have input ports to which > other subdevices are connected that are not initially known to the > master/bridge device when it sets up the notifier. > > Signed-off-by: Philipp Zabel > --- > drivers/media/v4l2-core/v4l2-of.c | 68 +++++++++++++++++++++++++++++++++++++++ > include/media/v4l2-of.h | 12 +++++++ > 2 files changed, 80 insertions(+) > > diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c > index 93b3368..fbdd6b4 100644 > --- a/drivers/media/v4l2-core/v4l2-of.c > +++ b/drivers/media/v4l2-core/v4l2-of.c > @@ -19,6 +19,7 @@ > #include > > #include > +#include Alphabetical order, please. > > static int v4l2_of_parse_csi_bus(const struct device_node *node, > struct v4l2_of_endpoint *endpoint) > @@ -314,3 +315,70 @@ void v4l2_of_put_link(struct v4l2_of_link *link) > of_node_put(link->remote_node); > } > EXPORT_SYMBOL(v4l2_of_put_link); > + > +struct v4l2_subdev *v4l2_find_subdev_by_node(struct v4l2_device *v4l2_dev, > + struct device_node *node) > +{ > + struct v4l2_subdev *sd; > + > + list_for_each_entry(sd, &v4l2_dev->subdevs, list) { > + if (sd->of_node == node) > + return sd; > + } The braces aren't really needed. Up to you. > + > + return NULL; > +} -- Kind regards, Sakari Ailus e-mail: sakari.ailus@iki.fi XMPP: sailus@retiisi.org.uk