diff options
Diffstat (limited to 'drivers/media/platform/samsung/exynos4-is/media-dev.c')
| -rw-r--r-- | drivers/media/platform/samsung/exynos4-is/media-dev.c | 69 |
1 files changed, 29 insertions, 40 deletions
diff --git a/drivers/media/platform/samsung/exynos4-is/media-dev.c b/drivers/media/platform/samsung/exynos4-is/media-dev.c index 98a60f01129d..bc7087eb761a 100644 --- a/drivers/media/platform/samsung/exynos4-is/media-dev.c +++ b/drivers/media/platform/samsung/exynos4-is/media-dev.c @@ -17,7 +17,6 @@ #include <linux/module.h> #include <linux/of.h> #include <linux/of_platform.h> -#include <linux/of_device.h> #include <linux/of_graph.h> #include <linux/pinctrl/consumer.h> #include <linux/platform_device.h> @@ -401,7 +400,7 @@ static int fimc_md_parse_one_endpoint(struct fimc_md *fmd, int index = fmd->num_sensors; struct fimc_source_info *pd = &fmd->sensor[index].pdata; struct device_node *rem, *np; - struct v4l2_async_subdev *asd; + struct v4l2_async_connection *asd; struct v4l2_fwnode_endpoint endpoint = { .bus_type = 0 }; int ret; @@ -466,7 +465,7 @@ static int fimc_md_parse_one_endpoint(struct fimc_md *fmd, asd = v4l2_async_nf_add_fwnode_remote(&fmd->subdev_notifier, of_fwnode_handle(ep), - struct v4l2_async_subdev); + struct v4l2_async_connection); of_node_put(ep); @@ -483,15 +482,12 @@ static int fimc_md_parse_one_endpoint(struct fimc_md *fmd, static int fimc_md_parse_port_node(struct fimc_md *fmd, struct device_node *port) { - struct device_node *ep; int ret; - for_each_child_of_node(port, ep) { + for_each_child_of_node_scoped(port, ep) { ret = fimc_md_parse_one_endpoint(fmd, ep); - if (ret < 0) { - of_node_put(ep); + if (ret < 0) return ret; - } } return 0; @@ -502,7 +498,6 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) { struct device_node *parent = fmd->pdev->dev.of_node; struct device_node *ports = NULL; - struct device_node *node; int ret; /* @@ -519,7 +514,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) fmd->num_sensors = 0; /* Attach sensors linked to MIPI CSI-2 receivers */ - for_each_available_child_of_node(parent, node) { + for_each_available_child_of_node_scoped(parent, node) { struct device_node *port; if (!of_node_name_eq(node, "csis")) @@ -531,10 +526,8 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) ret = fimc_md_parse_port_node(fmd, port); of_node_put(port); - if (ret < 0) { - of_node_put(node); + if (ret < 0) goto cleanup; - } } /* Attach sensors listed in the parallel-ports node */ @@ -542,12 +535,10 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd) if (!ports) goto rpm_put; - for_each_child_of_node(ports, node) { + for_each_child_of_node_scoped(ports, node) { ret = fimc_md_parse_port_node(fmd, node); - if (ret < 0) { - of_node_put(node); + if (ret < 0) goto cleanup; - } } of_node_put(ports); @@ -737,10 +728,9 @@ dev_unlock: static int fimc_md_register_platform_entities(struct fimc_md *fmd, struct device_node *parent) { - struct device_node *node; int ret = 0; - for_each_available_child_of_node(parent, node) { + for_each_available_child_of_node_scoped(parent, node) { struct platform_device *pdev; int plat_entity = -1; @@ -763,10 +753,8 @@ static int fimc_md_register_platform_entities(struct fimc_md *fmd, ret = fimc_md_register_platform_entity(fmd, pdev, plat_entity); put_device(&pdev->dev); - if (ret < 0) { - of_node_put(node); + if (ret < 0) break; - } } return ret; @@ -1345,8 +1333,8 @@ static int fimc_md_register_clk_provider(struct fimc_md *fmd) cp->clks[i] = clk_register(NULL, &camclk->hw); if (IS_ERR(cp->clks[i])) { - dev_err(dev, "failed to register clock: %s (%ld)\n", - init.name, PTR_ERR(cp->clks[i])); + dev_err(dev, "failed to register clock: %s (%pe)\n", + init.name, cp->clks[i]); ret = PTR_ERR(cp->clks[i]); goto err; } @@ -1372,7 +1360,7 @@ err: static int subdev_notifier_bound(struct v4l2_async_notifier *notifier, struct v4l2_subdev *subdev, - struct v4l2_async_subdev *asd) + struct v4l2_async_connection *asd) { struct fimc_md *fmd = notifier_to_fimc_md(notifier); struct fimc_sensor_info *si = NULL; @@ -1411,12 +1399,14 @@ static int subdev_notifier_complete(struct v4l2_async_notifier *notifier) mutex_lock(&fmd->media_dev.graph_mutex); ret = fimc_md_create_links(fmd); - if (ret < 0) - goto unlock; + if (ret < 0) { + mutex_unlock(&fmd->media_dev.graph_mutex); + return ret; + } - ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev); -unlock: mutex_unlock(&fmd->media_dev.graph_mutex); + + ret = v4l2_device_register_subdev_nodes(&fmd->v4l2_dev); if (ret < 0) return ret; @@ -1440,6 +1430,10 @@ static int fimc_md_probe(struct platform_device *pdev) if (!fmd) return -ENOMEM; + ret = of_platform_populate(dev->of_node, NULL, NULL, dev); + if (ret < 0) + return -ENOMEM; + spin_lock_init(&fmd->slock); INIT_LIST_HEAD(&fmd->pipelines); fmd->pdev = pdev; @@ -1470,14 +1464,12 @@ static int fimc_md_probe(struct platform_device *pdev) goto err_v4l2dev; pinctrl = devm_pinctrl_get(dev); - if (IS_ERR(pinctrl)) { - ret = dev_err_probe(dev, PTR_ERR(pinctrl), "Failed to get pinctrl\n"); - goto err_clk; - } + if (IS_ERR(pinctrl)) + dev_dbg(dev, "Failed to get pinctrl: %pe\n", pinctrl); platform_set_drvdata(pdev, fmd); - v4l2_async_nf_init(&fmd->subdev_notifier); + v4l2_async_nf_init(&fmd->subdev_notifier, &fmd->v4l2_dev); ret = fimc_md_register_platform_entities(fmd, dev->of_node); if (ret) @@ -1505,8 +1497,7 @@ static int fimc_md_probe(struct platform_device *pdev) fmd->subdev_notifier.ops = &subdev_notifier_ops; fmd->num_sensors = 0; - ret = v4l2_async_nf_register(&fmd->v4l2_dev, - &fmd->subdev_notifier); + ret = v4l2_async_nf_register(&fmd->subdev_notifier); if (ret) goto err_clk_p; } @@ -1530,12 +1521,12 @@ err_md: return ret; } -static int fimc_md_remove(struct platform_device *pdev) +static void fimc_md_remove(struct platform_device *pdev) { struct fimc_md *fmd = platform_get_drvdata(pdev); if (!fmd) - return 0; + return; fimc_md_unregister_clk_provider(fmd); v4l2_async_nf_unregister(&fmd->subdev_notifier); @@ -1548,8 +1539,6 @@ static int fimc_md_remove(struct platform_device *pdev) media_device_unregister(&fmd->media_dev); media_device_cleanup(&fmd->media_dev); fimc_md_put_clocks(fmd); - - return 0; } static const struct platform_device_id fimc_driver_ids[] __always_unused = { |
