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path: root/drivers/media/platform/stm32
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Diffstat (limited to 'drivers/media/platform/stm32')
-rw-r--r--drivers/media/platform/stm32/stm32-dcmi.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/drivers/media/platform/stm32/stm32-dcmi.c b/drivers/media/platform/stm32/stm32-dcmi.c
index d6b00eda6b9b..48f514d7e34f 100644
--- a/drivers/media/platform/stm32/stm32-dcmi.c
+++ b/drivers/media/platform/stm32/stm32-dcmi.c
@@ -1590,7 +1590,6 @@ static int dcmi_graph_parse(struct stm32_dcmi *dcmi, struct device_node *node)
static int dcmi_graph_init(struct stm32_dcmi *dcmi)
{
- struct v4l2_async_subdev **subdevs = NULL;
int ret;
/* Parse the graph to extract a list of subdevice DT nodes. */
@@ -1600,23 +1599,21 @@ static int dcmi_graph_init(struct stm32_dcmi *dcmi)
return ret;
}
- /* Register the subdevices notifier. */
- subdevs = devm_kzalloc(dcmi->dev, sizeof(*subdevs), GFP_KERNEL);
- if (!subdevs) {
+ v4l2_async_notifier_init(&dcmi->notifier);
+
+ ret = v4l2_async_notifier_add_subdev(&dcmi->notifier,
+ &dcmi->entity.asd);
+ if (ret) {
of_node_put(dcmi->entity.node);
- return -ENOMEM;
+ return ret;
}
- subdevs[0] = &dcmi->entity.asd;
-
- dcmi->notifier.subdevs = subdevs;
- dcmi->notifier.num_subdevs = 1;
dcmi->notifier.ops = &dcmi_graph_notify_ops;
ret = v4l2_async_notifier_register(&dcmi->v4l2_dev, &dcmi->notifier);
if (ret < 0) {
dev_err(dcmi->dev, "Notifier registration failed\n");
- of_node_put(dcmi->entity.node);
+ v4l2_async_notifier_cleanup(&dcmi->notifier);
return ret;
}
@@ -1773,7 +1770,7 @@ static int dcmi_probe(struct platform_device *pdev)
ret = reset_control_assert(dcmi->rstc);
if (ret) {
dev_err(&pdev->dev, "Failed to assert the reset line\n");
- goto err_device_release;
+ goto err_cleanup;
}
usleep_range(3000, 5000);
@@ -1781,7 +1778,7 @@ static int dcmi_probe(struct platform_device *pdev)
ret = reset_control_deassert(dcmi->rstc);
if (ret) {
dev_err(&pdev->dev, "Failed to deassert the reset line\n");
- goto err_device_release;
+ goto err_cleanup;
}
dev_info(&pdev->dev, "Probe done\n");
@@ -1792,6 +1789,8 @@ static int dcmi_probe(struct platform_device *pdev)
return 0;
+err_cleanup:
+ v4l2_async_notifier_cleanup(&dcmi->notifier);
err_device_release:
video_device_release(dcmi->vdev);
err_device_unregister:
@@ -1809,6 +1808,7 @@ static int dcmi_remove(struct platform_device *pdev)
pm_runtime_disable(&pdev->dev);
v4l2_async_notifier_unregister(&dcmi->notifier);
+ v4l2_async_notifier_cleanup(&dcmi->notifier);
v4l2_device_unregister(&dcmi->v4l2_dev);
dma_release_channel(dcmi->dma_chan);