diff options
Diffstat (limited to 'drivers/media/platform/stm32')
-rw-r--r-- | drivers/media/platform/stm32/stm32-dcmi.c | 24 |
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); |