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@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index 5a92dd8268a8d739f640f2a64e59084f70f67bf1..0cf788cf0e5ff68153bec1850070d4ff054a0bc0 100644 (file)
--- 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;
        }