linux-kernel - [PATCH v1 3/6] media: ipu3-cio2: Switch to use media_entity_to_video

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Message-Id: <20210713202131.13906-3-andriy.shevchenko@linux.intel.com>
Date:   Tue, 13 Jul 2021 23:21:28 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Yong Zhi <yong.zhi@...el.com>, Bingbu Cao <bingbu.cao@...el.com>,
        Dan Scally <djrscally@...il.com>,
        Tianshu Qiu <tian.shu.qiu@...el.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>
Subject: [PATCH v1 3/6] media: ipu3-cio2: Switch to use media_entity_to_video_device()

V4L2 provides a few helper macros, in particular
media_entity_to_video_device(). Switch the driver
to use it instead of open-coded variant.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index d3358817db6f..2f8ded58a949 100644
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
@@ -1313,15 +1313,15 @@ static int cio2_subdev_link_validate_get_format(struct media_pad *pad,
 
 static int cio2_video_link_validate(struct media_link *link)
 {
-	struct video_device *vd = container_of(link->sink->entity,
-						struct video_device, entity);
+	struct media_entity *entity = link->sink->entity;
+	struct video_device *vd = media_entity_to_video_device(entity);
 	struct cio2_queue *q = container_of(vd, struct cio2_queue, vdev);
 	struct cio2_device *cio2 = video_get_drvdata(vd);
 	struct device *dev = &cio2->pci_dev->dev;
 	struct v4l2_subdev_format source_fmt;
 	int ret;
 
-	if (!media_entity_remote_pad(link->sink->entity->pads)) {
+	if (!media_entity_remote_pad(entity->pads)) {
 		dev_info(dev, "video node %s pad not connected\n", vd->name);
 		return -ENOTCONN;
 	}
-- 
2.30.2