linux-kernel - [PATCH 1/2] media: v4l2-async: Pass pointer to struct v4l2_subdev in match

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Message-Id: <20200315102724.26850-2-prabhakar.mahadev-lad.rj@bp.renesas.com>
Date:   Sun, 15 Mar 2020 10:27:23 +0000
From:   Lad Prabhakar <prabhakar.csengg@...il.com>
To:     Niklas <niklas.soderlund@...natech.se>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>
Cc:     linux-media@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: [PATCH 1/2] media: v4l2-async: Pass pointer to struct v4l2_subdev in match_custom callback

Passing a pointer to struct device for the match_custom callback is of no
use as in the bridge driver to match the fwnode, so instead pass the
struct v4l2_subdev pointer so that the bridge driver has enough
information to match against the subdevices.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
---
 drivers/media/v4l2-core/v4l2-async.c | 2 +-
 include/media/v4l2-async.h           | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index 8bde33c21ce4..f897d4025f97 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -80,7 +80,7 @@ static bool match_custom(struct v4l2_subdev *sd, struct v4l2_async_subdev *asd)
 		/* Match always */
 		return true;
 
-	return asd->match.custom.match(sd->dev, asd);
+	return asd->match.custom.match(sd, asd);
 }
 
 static LIST_HEAD(subdev_list);
diff --git a/include/media/v4l2-async.h b/include/media/v4l2-async.h
index 8319284c93cb..8c014e3bbd6c 100644
--- a/include/media/v4l2-async.h
+++ b/include/media/v4l2-async.h
@@ -86,8 +86,8 @@ struct v4l2_async_subdev {
 			unsigned short address;
 		} i2c;
 		struct {
-			bool (*match)(struct device *dev,
-				      struct v4l2_async_subdev *sd);
+			bool (*match)(struct v4l2_subdev *sd,
+				      struct v4l2_async_subdev *asd);
 			void *priv;
 		} custom;
 	} match;
-- 
2.20.1