media: staging: rkisp1: fix dev param for dev_* debugs

In some debug prints a wrong 'dev' argument is used
for the dev_(dbg/err/warn), this cause a prefix
"(NULL device *)" to the prints.
In some prints the 'dev' of the sensor subdevice is used
which is also wrong.
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[hverkuil-cisco@xs4all.nl: s/in subdev/in sensor subdev/ as per Laurent's comment]
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/rkisp1/rkisp1-dev.c

@@ -129,7 +129,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1)
 		ret = media_entity_get_fwnode_pad(&sd->entity, sd->fwnode,
 						  MEDIA_PAD_FL_SOURCE);
 		if (ret < 0) {
-			dev_err(sd->dev, "failed to find src pad for %s\n",
+			dev_err(rkisp1->dev, "failed to find src pad for %s\n",
 				sd->name);
 			return ret;
 		}

drivers/staging/media/rkisp1/rkisp1-isp.c

@@ -203,10 +203,8 @@ static struct v4l2_subdev *rkisp1_get_remote_sensor(struct v4l2_subdev *sd)
 
 	local = &sd->entity.pads[RKISP1_ISP_PAD_SINK_VIDEO];
 	remote = media_entity_remote_pad(local);
-	if (!remote) {
-		dev_warn(sd->dev, "No link between isp and sensor\n");
+	if (!remote)
 		return NULL;
-	}
 
 	sensor_me = remote->entity;
 	return media_entity_to_v4l2_subdev(sensor_me);
@@ -889,18 +887,20 @@ static const struct v4l2_subdev_pad_ops rkisp1_isp_pad_ops = {
 static int rkisp1_mipi_csi2_start(struct rkisp1_isp *isp,
 				  struct rkisp1_sensor_async *sensor)
 {
+	struct rkisp1_device *rkisp1 =
+		container_of(isp->sd.v4l2_dev, struct rkisp1_device, v4l2_dev);
 	union phy_configure_opts opts;
 	struct phy_configure_opts_mipi_dphy *cfg = &opts.mipi_dphy;
 	s64 pixel_clock;
 
 	if (!sensor->pixel_rate_ctrl) {
-		dev_warn(sensor->sd->dev, "No pixel rate control in subdev\n");
+		dev_warn(rkisp1->dev, "No pixel rate control in sensor subdev\n");
 		return -EPIPE;
 	}
 
 	pixel_clock = v4l2_ctrl_g_ctrl_int64(sensor->pixel_rate_ctrl);
 	if (!pixel_clock) {
-		dev_err(sensor->sd->dev, "Invalid pixel rate value\n");
+		dev_err(rkisp1->dev, "Invalid pixel rate value\n");
 		return -EINVAL;
 	}
 
@@ -933,8 +933,11 @@ static int rkisp1_isp_s_stream(struct v4l2_subdev *sd, int enable)
 	}
 
 	sensor_sd = rkisp1_get_remote_sensor(sd);
-	if (!sensor_sd)
+	if (!sensor_sd) {
+		dev_warn(rkisp1->dev, "No link between isp and sensor\n");
 		return -ENODEV;
+	}
+
 	rkisp1->active_sensor = container_of(sensor_sd->asd,
 					     struct rkisp1_sensor_async, asd);
 
@@ -1021,7 +1024,7 @@ int rkisp1_isp_register(struct rkisp1_device *rkisp1,
 
 	ret = v4l2_device_register_subdev(v4l2_dev, sd);
 	if (ret) {
-		dev_err(sd->dev, "Failed to register isp subdev\n");
+		dev_err(rkisp1->dev, "Failed to register isp subdev\n");
 		goto err_cleanup_media_entity;
 	}
 

drivers/staging/media/rkisp1/rkisp1-params.c

@@ -1607,7 +1607,7 @@ int rkisp1_params_register(struct rkisp1_params *params,
 		goto err_release_queue;
 	ret = video_register_device(vdev, VFL_TYPE_VIDEO, -1);
 	if (ret) {
-		dev_err(&vdev->dev,
+		dev_err(rkisp1->dev,
 			"failed to register %s, ret=%d\n", vdev->name, ret);
 		goto err_cleanup_media_entity;
 	}

drivers/staging/media/rkisp1/rkisp1-resizer.c

@@ -639,7 +639,7 @@ static int rkisp1_rsz_set_selection(struct v4l2_subdev *sd,
 	if (sel->target != V4L2_SEL_TGT_CROP || sel->pad == RKISP1_RSZ_PAD_SRC)
 		return -EINVAL;
 
-	dev_dbg(sd->dev, "%s: pad: %d sel(%d,%d)/%dx%d\n", __func__,
+	dev_dbg(rsz->rkisp1->dev, "%s: pad: %d sel(%d,%d)/%dx%d\n", __func__,
 		sel->pad, sel->r.left, sel->r.top, sel->r.width, sel->r.height);
 
 	mutex_lock(&rsz->ops_lock);