4 files changed, 49 insertions, 51 deletions

diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
index f0719ce24b97..594d80434004 100644
--- a/drivers/media/platform/rcar-vin/rcar-core.c
+++ b/drivers/media/platform/rcar-vin/rcar-core.c
@@ -131,9 +131,13 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags,
 	    !is_media_entity_v4l2_video_device(link->sink->entity))
 		return 0;
 
-	/* If any entity is in use don't allow link changes. */
+	/*
+	 * Don't allow link changes if any entity in the graph is
+	 * streaming, modifying the CHSEL register fields can disrupt
+	 * running streams.
+	 */
 	media_device_for_each_entity(entity, &group->mdev)
-		if (entity->use_count)
+		if (entity->stream_count)
 			return -EBUSY;
 
 	mutex_lock(&group->lock);
@@ -542,9 +546,7 @@ static void rvin_parallel_notify_unbind(struct v4l2_async_notifier *notifier,
 
 	vin_dbg(vin, "unbind parallel subdev %s\n", subdev->name);
 
-	mutex_lock(&vin->lock);
 	rvin_parallel_subdevice_detach(vin);
-	mutex_unlock(&vin->lock);
 }
 
 static int rvin_parallel_notify_bound(struct v4l2_async_notifier *notifier,
@@ -554,9 +556,7 @@ static int rvin_parallel_notify_bound(struct v4l2_async_notifier *notifier,
 	struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
 	int ret;
 
-	mutex_lock(&vin->lock);
 	ret = rvin_parallel_subdevice_attach(vin, subdev);
-	mutex_unlock(&vin->lock);
 	if (ret)
 		return ret;
 
@@ -664,7 +664,6 @@ static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier)
 	}
 
 	/* Create all media device links between VINs and CSI-2's. */
-	mutex_lock(&vin->group->lock);
 	for (route = vin->info->routes; route->mask; route++) {
 		struct media_pad *source_pad, *sink_pad;
 		struct media_entity *source, *sink;
@@ -700,7 +699,6 @@ static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier)
 			break;
 		}
 	}
-	mutex_unlock(&vin->group->lock);
 
 	return ret;
 }
@@ -716,8 +714,6 @@ static void rvin_group_notify_unbind(struct v4l2_async_notifier *notifier,
 		if (vin->group->vin[i])
 			rvin_v4l2_unregister(vin->group->vin[i]);
 
-	mutex_lock(&vin->group->lock);
-
 	for (i = 0; i < RVIN_CSI_MAX; i++) {
 		if (vin->group->csi[i].fwnode != asd->match.fwnode)
 			continue;
@@ -725,8 +721,6 @@ static void rvin_group_notify_unbind(struct v4l2_async_notifier *notifier,
 		vin_dbg(vin, "Unbind CSI-2 %s from slot %u\n", subdev->name, i);
 		break;
 	}
-
-	mutex_unlock(&vin->group->lock);
 }
 
 static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier,
@@ -736,8 +730,6 @@ static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier,
 	struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
 	unsigned int i;
 
-	mutex_lock(&vin->group->lock);
-
 	for (i = 0; i < RVIN_CSI_MAX; i++) {
 		if (vin->group->csi[i].fwnode != asd->match.fwnode)
 			continue;
@@ -746,8 +738,6 @@ static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier,
 		break;
 	}
 
-	mutex_unlock(&vin->group->lock);
-
 	return 0;
 }
 
@@ -1146,6 +1136,10 @@ static const struct rvin_info rcar_info_r8a77995 = {
 
 static const struct of_device_id rvin_of_id_table[] = {
 	{
+		.compatible = "renesas,vin-r8a774c0",
+		.data = &rcar_info_r8a77990,
+	},
+	{
 		.compatible = "renesas,vin-r8a7778",
 		.data = &rcar_info_m1,
 	},
diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c
index 6d356f5a9456..f64528d2be3c 100644
--- a/drivers/media/platform/rcar-vin/rcar-csi2.c
+++ b/drivers/media/platform/rcar-vin/rcar-csi2.c
@@ -152,37 +152,37 @@ static const struct rcsi2_mbps_reg phtw_mbps_h3_v3h_m3n[] = {
 };
 
 static const struct rcsi2_mbps_reg phtw_mbps_v3m_e3[] = {
-	{ .mbps =   89, .reg = 0x00 },
-	{ .mbps =   99, .reg = 0x20 },
-	{ .mbps =  109, .reg = 0x40 },
-	{ .mbps =  129, .reg = 0x02 },
-	{ .mbps =  139, .reg = 0x22 },
-	{ .mbps =  149, .reg = 0x42 },
-	{ .mbps =  169, .reg = 0x04 },
-	{ .mbps =  179, .reg = 0x24 },
-	{ .mbps =  199, .reg = 0x44 },
-	{ .mbps =  219, .reg = 0x06 },
-	{ .mbps =  239, .reg = 0x26 },
-	{ .mbps =  249, .reg = 0x46 },
-	{ .mbps =  269, .reg = 0x08 },
-	{ .mbps =  299, .reg = 0x28 },
-	{ .mbps =  329, .reg = 0x0a },
-	{ .mbps =  359, .reg = 0x2a },
-	{ .mbps =  399, .reg = 0x4a },
-	{ .mbps =  449, .reg = 0x0c },
-	{ .mbps =  499, .reg = 0x2c },
-	{ .mbps =  549, .reg = 0x0e },
-	{ .mbps =  599, .reg = 0x2e },
-	{ .mbps =  649, .reg = 0x10 },
-	{ .mbps =  699, .reg = 0x30 },
-	{ .mbps =  749, .reg = 0x12 },
-	{ .mbps =  799, .reg = 0x32 },
-	{ .mbps =  849, .reg = 0x52 },
-	{ .mbps =  899, .reg = 0x72 },
-	{ .mbps =  949, .reg = 0x14 },
-	{ .mbps =  999, .reg = 0x34 },
-	{ .mbps = 1049, .reg = 0x54 },
-	{ .mbps = 1099, .reg = 0x74 },
+	{ .mbps =   80, .reg = 0x00 },
+	{ .mbps =   90, .reg = 0x20 },
+	{ .mbps =  100, .reg = 0x40 },
+	{ .mbps =  110, .reg = 0x02 },
+	{ .mbps =  130, .reg = 0x22 },
+	{ .mbps =  140, .reg = 0x42 },
+	{ .mbps =  150, .reg = 0x04 },
+	{ .mbps =  170, .reg = 0x24 },
+	{ .mbps =  180, .reg = 0x44 },
+	{ .mbps =  200, .reg = 0x06 },
+	{ .mbps =  220, .reg = 0x26 },
+	{ .mbps =  240, .reg = 0x46 },
+	{ .mbps =  250, .reg = 0x08 },
+	{ .mbps =  270, .reg = 0x28 },
+	{ .mbps =  300, .reg = 0x0a },
+	{ .mbps =  330, .reg = 0x2a },
+	{ .mbps =  360, .reg = 0x4a },
+	{ .mbps =  400, .reg = 0x0c },
+	{ .mbps =  450, .reg = 0x2c },
+	{ .mbps =  500, .reg = 0x0e },
+	{ .mbps =  550, .reg = 0x2e },
+	{ .mbps =  600, .reg = 0x10 },
+	{ .mbps =  650, .reg = 0x30 },
+	{ .mbps =  700, .reg = 0x12 },
+	{ .mbps =  750, .reg = 0x32 },
+	{ .mbps =  800, .reg = 0x52 },
+	{ .mbps =  850, .reg = 0x72 },
+	{ .mbps =  900, .reg = 0x14 },
+	{ .mbps =  950, .reg = 0x34 },
+	{ .mbps = 1000, .reg = 0x54 },
+	{ .mbps = 1050, .reg = 0x74 },
 	{ .mbps = 1125, .reg = 0x16 },
 	{ /* sentinel */ },
 };
@@ -986,6 +986,10 @@ static const struct rcar_csi2_info rcar_csi2_info_r8a77990 = {
 
 static const struct of_device_id rcar_csi2_of_table[] = {
 	{
+		.compatible = "renesas,r8a774c0-csi2",
+		.data = &rcar_csi2_info_r8a77990,
+	},
+	{
 		.compatible = "renesas,r8a7795-csi2",
 		.data = &rcar_csi2_info_r8a7795,
 	},
diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c
index 92323310f735..2207a31d355e 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -681,7 +681,7 @@ static int rvin_setup(struct rvin_dev *vin)
 		break;
 	}
 
-	/* Enable VSYNC Field Toogle mode after one VSYNC input */
+	/* Enable VSYNC Field Toggle mode after one VSYNC input */
 	if (vin->info->model == RCAR_GEN3)
 		dmr2 = VNDMR2_FTEV;
 	else
@@ -1341,5 +1341,5 @@ int rvin_set_channel_routing(struct rvin_dev *vin, u8 chsel)
 
 	pm_runtime_put(vin->dev);
 
-	return ret;
+	return 0;
 }
diff --git a/drivers/media/platform/rcar-vin/rcar-v4l2.c b/drivers/media/platform/rcar-vin/rcar-v4l2.c
index 7a2851790b91..7cbdcbf9b090 100644
--- a/drivers/media/platform/rcar-vin/rcar-v4l2.c
+++ b/drivers/media/platform/rcar-vin/rcar-v4l2.c
@@ -665,7 +665,7 @@ static void rvin_mc_try_format(struct rvin_dev *vin,
 	 * The V4L2 specification clearly documents the colorspace fields
 	 * as being set by drivers for capture devices. Using the values
 	 * supplied by userspace thus wouldn't comply with the API. Until
-	 * the API is updated force fixed vaules.
+	 * the API is updated force fixed values.
 	 */
 	pix->colorspace = RVIN_DEFAULT_COLORSPACE;
 	pix->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(pix->colorspace);
@@ -964,7 +964,7 @@ void rvin_v4l2_unregister(struct rvin_dev *vin)
 	v4l2_info(&vin->v4l2_dev, "Removing %s\n",
 		  video_device_node_name(&vin->vdev));
 
-	/* Checks internaly if vdev have been init or not */
+	/* Checks internally if vdev have been init or not */
 	video_unregister_device(&vin->vdev);
 }