[PATCH v2 7/8] rcar-vin: Fold rvin_initialize_device() into rvin_open()

["Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>]

The function no longer serve a purpose as most tasks it performed have
been refactored, fold what remains of it into the only caller.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
---
 drivers/media/platform/rcar-vin/rcar-v4l2.c | 21 ++++-----------------
 1 file changed, 4 insertions(+), 17 deletions(-)

diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 7c8ba4b310706ceb..169639416121f204 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -762,20 +762,6 @@ static int rvin_power_parallel(struct rvin_dev *vin, bool on)
 	return 0;
 }
 
-static int rvin_initialize_device(struct file *file)
-{
-	struct rvin_dev *vin = video_drvdata(file);
-	int ret;
-
-	ret = rvin_power_parallel(vin, true);
-	if (ret < 0)
-		return ret;
-
-	v4l2_ctrl_handler_setup(&vin->ctrl_handler);
-
-	return 0;
-}
-
 static int rvin_open(struct file *file)
 {
 	struct rvin_dev *vin = video_drvdata(file);
@@ -796,10 +782,11 @@ static int rvin_open(struct file *file)
 		goto err_pm;
 
 	if (v4l2_fh_is_singular_file(file)) {
-		if (rvin_initialize_device(file)) {
-			ret = -ENODEV;
+		ret = rvin_power_parallel(vin, true);
+		if (ret < 0)
 			goto err_open;
-		}
+
+		v4l2_ctrl_handler_setup(&vin->ctrl_handler);
 	}
 
 	mutex_unlock(&vin->lock);
-- 
2.21.0