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path: root/drivers/media/platform/rcar-vin/rcar-core.c
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Diffstat (limited to 'drivers/media/platform/rcar-vin/rcar-core.c')
-rw-r--r--drivers/media/platform/rcar-vin/rcar-core.c321
1 files changed, 225 insertions, 96 deletions
diff --git a/drivers/media/platform/rcar-vin/rcar-core.c b/drivers/media/platform/rcar-vin/rcar-core.c
index d3072e166a1c..ce09799976ef 100644
--- a/drivers/media/platform/rcar-vin/rcar-core.c
+++ b/drivers/media/platform/rcar-vin/rcar-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
/*
* Driver for Renesas R-Car VIN
*
@@ -7,11 +8,6 @@
* Copyright (C) 2008 Magnus Damm
*
* Based on the soc-camera rcar_vin driver
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
*/
#include <linux/module.h>
@@ -46,6 +42,8 @@
*/
#define rvin_group_id_to_master(vin) ((vin) < 4 ? 0 : 4)
+#define v4l2_dev_to_vin(d) container_of(d, struct rvin_dev, v4l2_dev)
+
/* -----------------------------------------------------------------------------
* Media Controller link notification
*/
@@ -169,9 +167,37 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags,
/* Add the new link to the existing mask and check if it works. */
csi_id = rvin_group_entity_to_csi_id(group, link->source->entity);
+
+ if (csi_id == -ENODEV) {
+ struct v4l2_subdev *sd;
+ unsigned int i;
+
+ /*
+ * Make sure the source entity subdevice is registered as
+ * a parallel input of one of the enabled VINs if it is not
+ * one of the CSI-2 subdevices.
+ *
+ * No hardware configuration required for parallel inputs,
+ * we can return here.
+ */
+ sd = media_entity_to_v4l2_subdev(link->source->entity);
+ for (i = 0; i < RCAR_VIN_NUM; i++) {
+ if (group->vin[i] && group->vin[i]->parallel &&
+ group->vin[i]->parallel->subdev == sd) {
+ group->vin[i]->is_csi = false;
+ ret = 0;
+ goto out;
+ }
+ }
+
+ vin_err(vin, "Subdevice %s not registered to any VIN\n",
+ link->source->entity->name);
+ ret = -ENODEV;
+ goto out;
+ }
+
channel = rvin_group_csi_pad_to_channel(link->source->index);
mask_new = mask & rvin_group_get_mask(vin, csi_id, channel);
-
vin_dbg(vin, "Try link change mask: 0x%x new: 0x%x\n", mask, mask_new);
if (!mask_new) {
@@ -181,6 +207,11 @@ static int rvin_group_link_notify(struct media_link *link, u32 flags,
/* New valid CHSEL found, set the new value. */
ret = rvin_set_channel_routing(group->vin[master_id], __ffs(mask_new));
+ if (ret)
+ goto out;
+
+ vin->is_csi = true;
+
out:
mutex_unlock(&group->lock);
@@ -359,8 +390,6 @@ out:
* Async notifier
*/
-#define notifier_to_vin(n) container_of(n, struct rvin_dev, notifier)
-
static int rvin_find_pad(struct v4l2_subdev *sd, int direction)
{
unsigned int pad;
@@ -376,12 +405,12 @@ static int rvin_find_pad(struct v4l2_subdev *sd, int direction)
}
/* -----------------------------------------------------------------------------
- * Digital async notifier
+ * Parallel async notifier
*/
/* The vin lock should be held when calling the subdevice attach and detach */
-static int rvin_digital_subdevice_attach(struct rvin_dev *vin,
- struct v4l2_subdev *subdev)
+static int rvin_parallel_subdevice_attach(struct rvin_dev *vin,
+ struct v4l2_subdev *subdev)
{
struct v4l2_subdev_mbus_code_enum code = {
.which = V4L2_SUBDEV_FORMAT_ACTIVE,
@@ -392,15 +421,20 @@ static int rvin_digital_subdevice_attach(struct rvin_dev *vin,
ret = rvin_find_pad(subdev, MEDIA_PAD_FL_SOURCE);
if (ret < 0)
return ret;
- vin->digital->source_pad = ret;
+ vin->parallel->source_pad = ret;
ret = rvin_find_pad(subdev, MEDIA_PAD_FL_SINK);
- vin->digital->sink_pad = ret < 0 ? 0 : ret;
+ vin->parallel->sink_pad = ret < 0 ? 0 : ret;
+
+ if (vin->info->use_mc) {
+ vin->parallel->subdev = subdev;
+ return 0;
+ }
/* Find compatible subdevices mbus format */
vin->mbus_code = 0;
code.index = 0;
- code.pad = vin->digital->source_pad;
+ code.pad = vin->parallel->source_pad;
while (!vin->mbus_code &&
!v4l2_subdev_call(subdev, pad, enum_mbus_code, NULL, &code)) {
code.index++;
@@ -450,23 +484,27 @@ static int rvin_digital_subdevice_attach(struct rvin_dev *vin,
vin->vdev.ctrl_handler = &vin->ctrl_handler;
- vin->digital->subdev = subdev;
+ vin->parallel->subdev = subdev;
return 0;
}
-static void rvin_digital_subdevice_detach(struct rvin_dev *vin)
+static void rvin_parallel_subdevice_detach(struct rvin_dev *vin)
{
rvin_v4l2_unregister(vin);
- v4l2_ctrl_handler_free(&vin->ctrl_handler);
+ vin->parallel->subdev = NULL;
- vin->vdev.ctrl_handler = NULL;
- vin->digital->subdev = NULL;
+ if (!vin->info->use_mc) {
+ v4l2_ctrl_handler_free(&vin->ctrl_handler);
+ vin->vdev.ctrl_handler = NULL;
+ }
}
-static int rvin_digital_notify_complete(struct v4l2_async_notifier *notifier)
+static int rvin_parallel_notify_complete(struct v4l2_async_notifier *notifier)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
+ struct media_entity *source;
+ struct media_entity *sink;
int ret;
ret = v4l2_device_register_subdev_nodes(&vin->v4l2_dev);
@@ -475,31 +513,50 @@ static int rvin_digital_notify_complete(struct v4l2_async_notifier *notifier)
return ret;
}
- return rvin_v4l2_register(vin);
+ if (!video_is_registered(&vin->vdev)) {
+ ret = rvin_v4l2_register(vin);
+ if (ret < 0)
+ return ret;
+ }
+
+ if (!vin->info->use_mc)
+ return 0;
+
+ /* If we're running with media-controller, link the subdevs. */
+ source = &vin->parallel->subdev->entity;
+ sink = &vin->vdev.entity;
+
+ ret = media_create_pad_link(source, vin->parallel->source_pad,
+ sink, vin->parallel->sink_pad, 0);
+ if (ret)
+ vin_err(vin, "Error adding link from %s to %s: %d\n",
+ source->name, sink->name, ret);
+
+ return ret;
}
-static void rvin_digital_notify_unbind(struct v4l2_async_notifier *notifier,
- struct v4l2_subdev *subdev,
- struct v4l2_async_subdev *asd)
+static void rvin_parallel_notify_unbind(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *subdev,
+ struct v4l2_async_subdev *asd)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
- vin_dbg(vin, "unbind digital subdev %s\n", subdev->name);
+ vin_dbg(vin, "unbind parallel subdev %s\n", subdev->name);
mutex_lock(&vin->lock);
- rvin_digital_subdevice_detach(vin);
+ rvin_parallel_subdevice_detach(vin);
mutex_unlock(&vin->lock);
}
-static int rvin_digital_notify_bound(struct v4l2_async_notifier *notifier,
- struct v4l2_subdev *subdev,
- struct v4l2_async_subdev *asd)
+static int rvin_parallel_notify_bound(struct v4l2_async_notifier *notifier,
+ struct v4l2_subdev *subdev,
+ struct v4l2_async_subdev *asd)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
int ret;
mutex_lock(&vin->lock);
- ret = rvin_digital_subdevice_attach(vin, subdev);
+ ret = rvin_parallel_subdevice_attach(vin, subdev);
mutex_unlock(&vin->lock);
if (ret)
return ret;
@@ -507,70 +564,71 @@ static int rvin_digital_notify_bound(struct v4l2_async_notifier *notifier,
v4l2_set_subdev_hostdata(subdev, vin);
vin_dbg(vin, "bound subdev %s source pad: %u sink pad: %u\n",
- subdev->name, vin->digital->source_pad,
- vin->digital->sink_pad);
+ subdev->name, vin->parallel->source_pad,
+ vin->parallel->sink_pad);
return 0;
}
-static const struct v4l2_async_notifier_operations rvin_digital_notify_ops = {
- .bound = rvin_digital_notify_bound,
- .unbind = rvin_digital_notify_unbind,
- .complete = rvin_digital_notify_complete,
+static const struct v4l2_async_notifier_operations rvin_parallel_notify_ops = {
+ .bound = rvin_parallel_notify_bound,
+ .unbind = rvin_parallel_notify_unbind,
+ .complete = rvin_parallel_notify_complete,
};
-static int rvin_digital_parse_v4l2(struct device *dev,
- struct v4l2_fwnode_endpoint *vep,
- struct v4l2_async_subdev *asd)
+static int rvin_parallel_parse_v4l2(struct device *dev,
+ struct v4l2_fwnode_endpoint *vep,
+ struct v4l2_async_subdev *asd)
{
struct rvin_dev *vin = dev_get_drvdata(dev);
- struct rvin_graph_entity *rvge =
- container_of(asd, struct rvin_graph_entity, asd);
+ struct rvin_parallel_entity *rvpe =
+ container_of(asd, struct rvin_parallel_entity, asd);
if (vep->base.port || vep->base.id)
return -ENOTCONN;
- vin->mbus_cfg.type = vep->bus_type;
+ vin->parallel = rvpe;
+ vin->parallel->mbus_type = vep->bus_type;
- switch (vin->mbus_cfg.type) {
+ switch (vin->parallel->mbus_type) {
case V4L2_MBUS_PARALLEL:
vin_dbg(vin, "Found PARALLEL media bus\n");
- vin->mbus_cfg.flags = vep->bus.parallel.flags;
+ vin->parallel->mbus_flags = vep->bus.parallel.flags;
break;
case V4L2_MBUS_BT656:
vin_dbg(vin, "Found BT656 media bus\n");
- vin->mbus_cfg.flags = 0;
+ vin->parallel->mbus_flags = 0;
break;
default:
vin_err(vin, "Unknown media bus type\n");
return -EINVAL;
}
- vin->digital = rvge;
-
return 0;
}
-static int rvin_digital_graph_init(struct rvin_dev *vin)
+static int rvin_parallel_init(struct rvin_dev *vin)
{
int ret;
- ret = v4l2_async_notifier_parse_fwnode_endpoints(
- vin->dev, &vin->notifier,
- sizeof(struct rvin_graph_entity), rvin_digital_parse_v4l2);
+ ret = v4l2_async_notifier_parse_fwnode_endpoints_by_port(
+ vin->dev, &vin->notifier, sizeof(struct rvin_parallel_entity),
+ 0, rvin_parallel_parse_v4l2);
if (ret)
return ret;
- if (!vin->digital)
- return -ENODEV;
+ /* If using mc, it's fine not to have any input registered. */
+ if (!vin->parallel)
+ return vin->info->use_mc ? 0 : -ENODEV;
- vin_dbg(vin, "Found digital subdevice %pOF\n",
- to_of_node(vin->digital->asd.match.fwnode));
+ vin_dbg(vin, "Found parallel subdevice %pOF\n",
+ to_of_node(vin->parallel->asd.match.fwnode));
- vin->notifier.ops = &rvin_digital_notify_ops;
+ vin->notifier.ops = &rvin_parallel_notify_ops;
ret = v4l2_async_notifier_register(&vin->v4l2_dev, &vin->notifier);
if (ret < 0) {
vin_err(vin, "Notifier registration failed\n");
+ v4l2_async_notifier_cleanup(&vin->group->notifier);
return ret;
}
@@ -583,7 +641,7 @@ static int rvin_digital_graph_init(struct rvin_dev *vin)
static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
const struct rvin_group_route *route;
unsigned int i;
int ret;
@@ -596,7 +654,8 @@ static int rvin_group_notify_complete(struct v4l2_async_notifier *notifier)
/* Register all video nodes for the group. */
for (i = 0; i < RCAR_VIN_NUM; i++) {
- if (vin->group->vin[i]) {
+ if (vin->group->vin[i] &&
+ !video_is_registered(&vin->group->vin[i]->vdev)) {
ret = rvin_v4l2_register(vin->group->vin[i]);
if (ret)
return ret;
@@ -649,7 +708,7 @@ static void rvin_group_notify_unbind(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
unsigned int i;
for (i = 0; i < RCAR_VIN_NUM; i++)
@@ -673,7 +732,7 @@ static int rvin_group_notify_bound(struct v4l2_async_notifier *notifier,
struct v4l2_subdev *subdev,
struct v4l2_async_subdev *asd)
{
- struct rvin_dev *vin = notifier_to_vin(notifier);
+ struct rvin_dev *vin = v4l2_dev_to_vin(notifier->v4l2_dev);
unsigned int i;
mutex_lock(&vin->group->lock);
@@ -707,11 +766,9 @@ static int rvin_mc_parse_of_endpoint(struct device *dev,
return -EINVAL;
if (!of_device_is_available(to_of_node(asd->match.fwnode))) {
-
vin_dbg(vin, "OF device %pOF disabled, ignoring\n",
to_of_node(asd->match.fwnode));
return -ENOTCONN;
-
}
if (vin->group->csi[vep->base.id].fwnode) {
@@ -736,12 +793,6 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin)
mutex_lock(&vin->group->lock);
- /* If there already is a notifier something has gone wrong, bail out. */
- if (WARN_ON(vin->group->notifier)) {
- mutex_unlock(&vin->group->lock);
- return -EINVAL;
- }
-
/* If not all VIN's are registered don't register the notifier. */
for (i = 0; i < RCAR_VIN_NUM; i++)
if (vin->group->vin[i])
@@ -753,19 +804,16 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin)
}
/*
- * Have all VIN's look for subdevices. Some subdevices will overlap
- * but the parser function can handle it, so each subdevice will
- * only be registered once with the notifier.
+ * Have all VIN's look for CSI-2 subdevices. Some subdevices will
+ * overlap but the parser function can handle it, so each subdevice
+ * will only be registered once with the group notifier.
*/
-
- vin->group->notifier = &vin->notifier;
-
for (i = 0; i < RCAR_VIN_NUM; i++) {
if (!vin->group->vin[i])
continue;
ret = v4l2_async_notifier_parse_fwnode_endpoints_by_port(
- vin->group->vin[i]->dev, vin->group->notifier,
+ vin->group->vin[i]->dev, &vin->group->notifier,
sizeof(struct v4l2_async_subdev), 1,
rvin_mc_parse_of_endpoint);
if (ret) {
@@ -776,11 +824,15 @@ static int rvin_mc_parse_of_graph(struct rvin_dev *vin)
mutex_unlock(&vin->group->lock);
- vin->group->notifier->ops = &rvin_group_notify_ops;
+ if (!vin->group->notifier.num_subdevs)
+ return 0;
- ret = v4l2_async_notifier_register(&vin->v4l2_dev, &vin->notifier);
+ vin->group->notifier.ops = &rvin_group_notify_ops;
+ ret = v4l2_async_notifier_register(&vin->v4l2_dev,
+ &vin->group->notifier);
if (ret < 0) {
vin_err(vin, "Notifier registration failed\n");
+ v4l2_async_notifier_cleanup(&vin->group->notifier);
return ret;
}
@@ -791,10 +843,6 @@ static int rvin_mc_init(struct rvin_dev *vin)
{
int ret;
- /* All our sources are CSI-2 */
- vin->mbus_cfg.type = V4L2_MBUS_CSI2;
- vin->mbus_cfg.flags = 0;
-
vin->pad.flags = MEDIA_PAD_FL_SINK;
ret = media_entity_pads_init(&vin->vdev.entity, 1, &vin->pad);
if (ret)
@@ -974,7 +1022,51 @@ static const struct rvin_info rcar_info_r8a7796 = {
.routes = rcar_info_r8a7796_routes,
};
-static const struct rvin_group_route _rcar_info_r8a77970_routes[] = {
+static const struct rvin_group_route rcar_info_r8a77965_routes[] = {
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 0, .mask = BIT(0) | BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 0, .mask = BIT(1) | BIT(4) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 0, .mask = BIT(2) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 1, .mask = BIT(0) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 1, .mask = BIT(1) | BIT(3) },
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 1, .mask = BIT(2) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 1, .mask = BIT(4) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 2, .mask = BIT(0) },
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 2, .mask = BIT(1) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 2, .mask = BIT(2) },
+ { .csi = RVIN_CSI40, .channel = 2, .vin = 2, .mask = BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 2, .vin = 2, .mask = BIT(4) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 3, .mask = BIT(0) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 3, .mask = BIT(1) | BIT(2) },
+ { .csi = RVIN_CSI40, .channel = 3, .vin = 3, .mask = BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 3, .vin = 3, .mask = BIT(4) },
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 4, .mask = BIT(0) | BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 4, .mask = BIT(1) | BIT(4) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 4, .mask = BIT(2) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 5, .mask = BIT(0) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 5, .mask = BIT(1) | BIT(3) },
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 5, .mask = BIT(2) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 5, .mask = BIT(4) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 6, .mask = BIT(0) },
+ { .csi = RVIN_CSI40, .channel = 0, .vin = 6, .mask = BIT(1) },
+ { .csi = RVIN_CSI20, .channel = 0, .vin = 6, .mask = BIT(2) },
+ { .csi = RVIN_CSI40, .channel = 2, .vin = 6, .mask = BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 2, .vin = 6, .mask = BIT(4) },
+ { .csi = RVIN_CSI40, .channel = 1, .vin = 7, .mask = BIT(0) },
+ { .csi = RVIN_CSI20, .channel = 1, .vin = 7, .mask = BIT(1) | BIT(2) },
+ { .csi = RVIN_CSI40, .channel = 3, .vin = 7, .mask = BIT(3) },
+ { .csi = RVIN_CSI20, .channel = 3, .vin = 7, .mask = BIT(4) },
+ { /* Sentinel */ }
+};
+
+static const struct rvin_info rcar_info_r8a77965 = {
+ .model = RCAR_GEN3,
+ .use_mc = true,
+ .max_width = 4096,
+ .max_height = 4096,
+ .routes = rcar_info_r8a77965_routes,
+};
+
+static const struct rvin_group_route rcar_info_r8a77970_routes[] = {
{ .csi = RVIN_CSI40, .channel = 0, .vin = 0, .mask = BIT(0) | BIT(3) },
{ .csi = RVIN_CSI40, .channel = 0, .vin = 1, .mask = BIT(2) },
{ .csi = RVIN_CSI40, .channel = 1, .vin = 1, .mask = BIT(3) },
@@ -990,7 +1082,19 @@ static const struct rvin_info rcar_info_r8a77970 = {
.use_mc = true,
.max_width = 4096,
.max_height = 4096,
- .routes = _rcar_info_r8a77970_routes,
+ .routes = rcar_info_r8a77970_routes,
+};
+
+static const struct rvin_group_route rcar_info_r8a77995_routes[] = {
+ { /* Sentinel */ }
+};
+
+static const struct rvin_info rcar_info_r8a77995 = {
+ .model = RCAR_GEN3,
+ .use_mc = true,
+ .max_width = 4096,
+ .max_height = 4096,
+ .routes = rcar_info_r8a77995_routes,
};
static const struct of_device_id rvin_of_id_table[] = {
@@ -1031,9 +1135,17 @@ static const struct of_device_id rvin_of_id_table[] = {
.data = &rcar_info_r8a7796,
},
{
+ .compatible = "renesas,vin-r8a77965",
+ .data = &rcar_info_r8a77965,
+ },
+ {
.compatible = "renesas,vin-r8a77970",
.data = &rcar_info_r8a77970,
},
+ {
+ .compatible = "renesas,vin-r8a77995",
+ .data = &rcar_info_r8a77995,
+ },
{ /* Sentinel */ },
};
MODULE_DEVICE_TABLE(of, rvin_of_id_table);
@@ -1085,20 +1197,35 @@ static int rcar_vin_probe(struct platform_device *pdev)
return ret;
platform_set_drvdata(pdev, vin);
- if (vin->info->use_mc)
+
+ if (vin->info->use_mc) {
ret = rvin_mc_init(vin);
- else
- ret = rvin_digital_graph_init(vin);
- if (ret < 0)
- goto error;
+ if (ret)
+ goto error_dma_unregister;
+ }
+
+ ret = rvin_parallel_init(vin);
+ if (ret)
+ goto error_group_unregister;
pm_suspend_ignore_children(&pdev->dev, true);
pm_runtime_enable(&pdev->dev);
return 0;
-error:
+
+error_group_unregister:
+ if (vin->info->use_mc) {
+ mutex_lock(&vin->group->lock);
+ if (&vin->v4l2_dev == vin->group->notifier.v4l2_dev) {
+ v4l2_async_notifier_unregister(&vin->group->notifier);
+ v4l2_async_notifier_cleanup(&vin->group->notifier);
+ }
+ mutex_unlock(&vin->group->lock);
+ rvin_group_put(vin);
+ }
+
+error_dma_unregister:
rvin_dma_unregister(vin);
- v4l2_async_notifier_cleanup(&vin->notifier);
return ret;
}
@@ -1116,8 +1243,10 @@ static int rcar_vin_remove(struct platform_device *pdev)
if (vin->info->use_mc) {
mutex_lock(&vin->group->lock);
- if (vin->group->notifier == &vin->notifier)
- vin->group->notifier = NULL;
+ if (&vin->v4l2_dev == vin->group->notifier.v4l2_dev) {
+ v4l2_async_notifier_unregister(&vin->group->notifier);
+ v4l2_async_notifier_cleanup(&vin->group->notifier);
+ }
mutex_unlock(&vin->group->lock);
rvin_group_put(vin);
} else {
@@ -1142,4 +1271,4 @@ module_platform_driver(rcar_vin_driver);
MODULE_AUTHOR("Niklas Söderlund <niklas.soderlund@ragnatech.se>");
MODULE_DESCRIPTION("Renesas R-Car VIN camera host driver");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.