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Message-Id: <20240917-scoped-state-v1-4-b8ba3fbe5952@ideasonboard.com>
Date: Tue, 17 Sep 2024 17:09:32 +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 4/4] media: i2c: ds90ub9xx: 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/i2c/ds90ub913.c | 11 +++--------
 drivers/media/i2c/ds90ub953.c | 11 +++--------
 drivers/media/i2c/ds90ub960.c | 27 ++++++++-------------------
 3 files changed, 14 insertions(+), 35 deletions(-)

diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c
index ca9bb29dab89..7a53b68db1b4 100644
--- a/drivers/media/i2c/ds90ub913.c
+++ b/drivers/media/i2c/ds90ub913.c
@@ -351,7 +351,6 @@ static int ub913_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 	const struct v4l2_subdev_krouting *routing;
 	struct v4l2_mbus_frame_desc source_fd;
 	struct v4l2_subdev_route *route;
-	struct v4l2_subdev_state *state;
 	int ret;
 
 	if (pad != UB913_PAD_SOURCE)
@@ -364,7 +363,7 @@ static int ub913_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 
 	fd->type = V4L2_MBUS_FRAME_DESC_TYPE_PARALLEL;
 
-	state = v4l2_subdev_lock_and_get_active_state(sd);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(sd);
 
 	routing = &state->routing;
 
@@ -382,8 +381,7 @@ static int ub913_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		if (i == source_fd.num_entries) {
 			dev_err(&priv->client->dev,
 				"Failed to find stream from source frame desc\n");
-			ret = -EPIPE;
-			goto out_unlock;
+			return -EPIPE;
 		}
 
 		fd->entry[fd->num_entries].stream = route->source_stream;
@@ -395,10 +393,7 @@ static int ub913_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		fd->num_entries++;
 	}
 
-out_unlock:
-	v4l2_subdev_unlock_state(state);
-
-	return ret;
+	return 0;
 }
 
 static int ub913_set_fmt(struct v4l2_subdev *sd,
diff --git a/drivers/media/i2c/ds90ub953.c b/drivers/media/i2c/ds90ub953.c
index 16f88db14981..131b1523c3a5 100644
--- a/drivers/media/i2c/ds90ub953.c
+++ b/drivers/media/i2c/ds90ub953.c
@@ -488,7 +488,6 @@ static int ub953_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 	struct ub953_data *priv = sd_to_ub953(sd);
 	struct v4l2_mbus_frame_desc source_fd;
 	struct v4l2_subdev_route *route;
-	struct v4l2_subdev_state *state;
 	int ret;
 
 	if (pad != UB953_PAD_SOURCE)
@@ -501,7 +500,7 @@ static int ub953_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 
 	fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2;
 
-	state = v4l2_subdev_lock_and_get_active_state(sd);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(sd);
 
 	for_each_active_route(&state->routing, route) {
 		struct v4l2_mbus_frame_desc_entry *source_entry = NULL;
@@ -520,8 +519,7 @@ static int ub953_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		if (!source_entry) {
 			dev_err(&priv->client->dev,
 				"Failed to find stream from source frame desc\n");
-			ret = -EPIPE;
-			goto out_unlock;
+			return -EPIPE;
 		}
 
 		fd->entry[fd->num_entries].stream = route->source_stream;
@@ -536,10 +534,7 @@ static int ub953_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		fd->num_entries++;
 	}
 
-out_unlock:
-	v4l2_subdev_unlock_state(state);
-
-	return ret;
+	return 0;
 }
 
 static int ub953_set_fmt(struct v4l2_subdev *sd,
diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c
index ffe5f25f8647..e873611bf5c7 100644
--- a/drivers/media/i2c/ds90ub960.c
+++ b/drivers/media/i2c/ds90ub960.c
@@ -2777,7 +2777,6 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 {
 	struct ub960_data *priv = sd_to_ub960(sd);
 	struct v4l2_subdev_route *route;
-	struct v4l2_subdev_state *state;
 	int ret = 0;
 	struct device *dev = &priv->client->dev;
 	u8 vc_map[UB960_MAX_RX_NPORTS] = {};
@@ -2787,7 +2786,7 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 
 	fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2;
 
-	state = v4l2_subdev_lock_and_get_active_state(&priv->sd);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(&priv->sd);
 
 	ub960_get_vc_maps(priv, state, vc_map);
 
@@ -2810,7 +2809,7 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 			dev_err(dev,
 				"Failed to get source frame desc for pad %u\n",
 				route->sink_pad);
-			goto out_unlock;
+			return ret;
 		}
 
 		for (i = 0; i < source_fd.num_entries; i++) {
@@ -2823,8 +2822,7 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		if (!source_entry) {
 			dev_err(dev,
 				"Failed to find stream from source frame desc\n");
-			ret = -EPIPE;
-			goto out_unlock;
+			return -EPIPE;
 		}
 
 		fd->entry[fd->num_entries].stream = route->source_stream;
@@ -2844,16 +2842,13 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 			fmt = v4l2_subdev_state_get_format(state, pad,
 							   route->source_stream);
 
-			if (!fmt) {
-				ret = -EINVAL;
-				goto out_unlock;
-			}
+			if (!fmt)
+				return -EINVAL;
 
 			ub960_fmt = ub960_find_format(fmt->code);
 			if (!ub960_fmt) {
 				dev_err(dev, "Unable to find format\n");
-				ret = -EINVAL;
-				goto out_unlock;
+				return -EINVAL;
 			}
 
 			fd->entry[fd->num_entries].bus.csi2.dt =
@@ -2863,10 +2858,7 @@ static int ub960_get_frame_desc(struct v4l2_subdev *sd, unsigned int pad,
 		fd->num_entries++;
 	}
 
-out_unlock:
-	v4l2_subdev_unlock_state(state);
-
-	return ret;
+	return 0;
 }
 
 static int ub960_set_fmt(struct v4l2_subdev *sd,
@@ -2944,14 +2936,13 @@ static int ub960_log_status(struct v4l2_subdev *sd)
 {
 	struct ub960_data *priv = sd_to_ub960(sd);
 	struct device *dev = &priv->client->dev;
-	struct v4l2_subdev_state *state;
 	unsigned int nport;
 	unsigned int i;
 	u16 v16 = 0;
 	u8 v = 0;
 	u8 id[UB960_SR_FPD3_RX_ID_LEN];
 
-	state = v4l2_subdev_lock_and_get_active_state(sd);
+	CLASS(v4l2_subdev_lock_and_get_active_state, state)(sd);
 
 	for (i = 0; i < sizeof(id); i++)
 		ub960_read(priv, UB960_SR_FPD3_RX_ID(i), &id[i]);
@@ -3078,8 +3069,6 @@ static int ub960_log_status(struct v4l2_subdev *sd)
 		}
 	}
 
-	v4l2_subdev_unlock_state(state);
-
 	return 0;
 }
 

-- 
2.43.0


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