FROMLIST: v4l: async: Use more intuitive names for internal functions

Rename internal functions to make the names of the functions better
describe what they do.

	Old name			New name
	v4l2_async_test_notify	v4l2_async_match_notify
	v4l2_async_belongs	v4l2_async_find_match

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
(cherry picked from commit 5a471379502e339fcf882a01e2f95c82f301bff1)
https://git.linuxtv.org/sailus/media_tree.git/log/?h=010f7f4393fd
http://www.spinics.net/lists/linux-media/msg122688.html
Signed-off-by: Marc Herbert <marc.herbert@intel.com>

BUG=b:64133998
TEST=media device topology shows subdevs registered successfully
TEST=no camera regression

Change-Id: I24fe0deb3152438e8b65d70addcdcddee90251ed
Reviewed-on: https://chromium-review.googlesource.com/693687
Commit-Ready: Tomasz Figa <tfiga@chromium.org>
Tested-by: Hyungwoo Yang <hyungwoo.yang@intel.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Jacob Chen <jacob2.chen@rock-chips.com>

Author: Sakari Ailus

drivers/media/v4l2-core/v4l2-async.c

@@ -64,8 +64,8 @@ static LIST_HEAD(subdev_list);
 static LIST_HEAD(notifier_list);
 static DEFINE_MUTEX(list_lock);
 
-static struct v4l2_async_subdev *v4l2_async_belongs(struct v4l2_async_notifier *notifier,
-						    struct v4l2_subdev *sd)
+static struct v4l2_async_subdev *v4l2_async_find_match(
+	struct v4l2_async_notifier *notifier, struct v4l2_subdev *sd)
 {
 	bool (*match)(struct v4l2_subdev *, struct v4l2_async_subdev *);
 	struct v4l2_async_subdev *asd;
@@ -99,9 +99,9 @@ static struct v4l2_async_subdev *v4l2_async_belongs(struct v4l2_async_notifier *
 	return NULL;
 }
 
-static int v4l2_async_test_notify(struct v4l2_async_notifier *notifier,
-				  struct v4l2_subdev *sd,
-				  struct v4l2_async_subdev *asd)
+static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
+				   struct v4l2_subdev *sd,
+				   struct v4l2_async_subdev *asd)
 {
 	int ret;
 
@@ -179,11 +179,11 @@ int v4l2_async_notifier_register(struct v4l2_device *v4l2_dev,
 	list_for_each_entry_safe(sd, tmp, &subdev_list, async_list) {
 		int ret;
 
-		asd = v4l2_async_belongs(notifier, sd);
+		asd = v4l2_async_find_match(notifier, sd);
 		if (!asd)
 			continue;
 
-		ret = v4l2_async_test_notify(notifier, sd, asd);
+		ret = v4l2_async_match_notify(notifier, sd, asd);
 		if (ret < 0) {
 			mutex_unlock(&list_lock);
 			return ret;
@@ -242,9 +242,10 @@ int v4l2_async_register_subdev(struct v4l2_subdev *sd)
 	INIT_LIST_HEAD(&sd->async_list);
 
 	list_for_each_entry(notifier, &notifier_list, list) {
-		struct v4l2_async_subdev *asd = v4l2_async_belongs(notifier, sd);
+		struct v4l2_async_subdev *asd = v4l2_async_find_match(notifier,
+								      sd);
 		if (asd) {
-			int ret = v4l2_async_test_notify(notifier, sd, asd);
+			int ret = v4l2_async_match_notify(notifier, sd, asd);
 			mutex_unlock(&list_lock);
 			return ret;
 		}