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Message-Id: <20240917-scoped-state-v1-3-b8ba3fbe5952@ideasonboard.com>
Date: Tue, 17 Sep 2024 17:09:31 +0300
From: Tomi Valkeinen <tomi.valkeinen@...asonboard.com>
To: Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Niklas Söderlund <niklas.soderlund@...natech.se>, 
 Hans Verkuil <hverkuil-cisco@...all.nl>, 
 Sakari Ailus <sakari.ailus@...ux.intel.com>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-renesas-soc@...r.kernel.org, 
 Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
Subject: [PATCH 3/4] media: renesas: Use state cleanup macros

From: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>

Use the new subdev state cleanup macros.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@...asonboard.com>
---
 drivers/media/platform/renesas/rcar-csi2.c            | 14 ++++----------
 drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c |  9 ++++-----
 drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c   |  9 ++-------
 3 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/drivers/media/platform/renesas/rcar-csi2.c b/drivers/media/platform/renesas/rcar-csi2.c
index c419ddb4c5a2..03ef6566271f 100644
--- a/drivers/media/platform/renesas/rcar-csi2.c
+++ b/drivers/media/platform/renesas/rcar-csi2.c
@@ -1163,27 +1163,24 @@ static void rcsi2_stop(struct rcar_csi2 *priv)
 static int rcsi2_s_stream(struct v4l2_subdev *sd, int enable)
 {
 	struct rcar_csi2 *priv = sd_to_csi2(sd);
-	struct v4l2_subdev_state *state;
 	int ret = 0;
 
 	if (!priv->remote)
 		return -ENODEV;
 
-	state = v4l2_subdev_lock_and_get_active_state(&priv->subdev);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(&priv->subdev);
 
 	if (enable && priv->stream_count == 0) {
 		ret = rcsi2_start(priv, state);
 		if (ret)
-			goto out;
+			return ret;
 	} else if (!enable && priv->stream_count == 1) {
 		rcsi2_stop(priv);
 	}
 
 	priv->stream_count += enable ? 1 : -1;
-out:
-	v4l2_subdev_unlock_state(state);
 
-	return ret;
+	return 0;
 }
 
 static int rcsi2_set_pad_format(struct v4l2_subdev *sd,
@@ -1274,18 +1271,15 @@ static irqreturn_t rcsi2_irq(int irq, void *data)
 
 static irqreturn_t rcsi2_irq_thread(int irq, void *data)
 {
-	struct v4l2_subdev_state *state;
 	struct rcar_csi2 *priv = data;
 
-	state = v4l2_subdev_lock_and_get_active_state(&priv->subdev);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(&priv->subdev);
 
 	rcsi2_stop(priv);
 	usleep_range(1000, 2000);
 	if (rcsi2_start(priv, state))
 		dev_warn(priv->dev, "Failed to restart CSI-2 receiver\n");
 
-	v4l2_subdev_unlock_state(state);
-
 	return IRQ_HANDLED;
 }
 
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
index e68fcdaea207..63b846f3e468 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-csi2.c
@@ -238,7 +238,6 @@ static int rzg2l_csi2_calc_mbps(struct rzg2l_csi2 *csi2)
 	struct v4l2_subdev *source = csi2->remote_source;
 	const struct rzg2l_csi2_format *format;
 	const struct v4l2_mbus_framefmt *fmt;
-	struct v4l2_subdev_state *state;
 	struct v4l2_ctrl *ctrl;
 	u64 mbps;
 
@@ -250,10 +249,10 @@ static int rzg2l_csi2_calc_mbps(struct rzg2l_csi2 *csi2)
 		return -EINVAL;
 	}
 
-	state = v4l2_subdev_lock_and_get_active_state(&csi2->subdev);
-	fmt = v4l2_subdev_state_get_format(state, RZG2L_CSI2_SINK);
-	format = rzg2l_csi2_code_to_fmt(fmt->code);
-	v4l2_subdev_unlock_state(state);
+	scoped_v4l2_subdev_lock_and_get_active_state(&csi2->subdev) {
+		fmt = v4l2_subdev_state_get_format(state, RZG2L_CSI2_SINK);
+		format = rzg2l_csi2_code_to_fmt(fmt->code);
+	}
 
 	/*
 	 * Calculate hsfreq in Mbps
diff --git a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
index ac8ebae4ed07..0b9e8a7cf22a 100644
--- a/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
+++ b/drivers/media/platform/renesas/rzg2l-cru/rzg2l-ip.c
@@ -36,14 +36,9 @@ static const struct rzg2l_cru_ip_format *rzg2l_cru_ip_code_to_fmt(unsigned int c
 
 struct v4l2_mbus_framefmt *rzg2l_cru_ip_get_src_fmt(struct rzg2l_cru_dev *cru)
 {
-	struct v4l2_subdev_state *state;
-	struct v4l2_mbus_framefmt *fmt;
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(&cru->ip.subdev);
 
-	state = v4l2_subdev_lock_and_get_active_state(&cru->ip.subdev);
-	fmt = v4l2_subdev_state_get_format(state, 1);
-	v4l2_subdev_unlock_state(state);
-
-	return fmt;
+	return v4l2_subdev_state_get_format(state, 1);
 }
 
 static int rzg2l_cru_ip_s_stream(struct v4l2_subdev *sd, int enable)

-- 
2.43.0


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