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#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/module.h>
#include <linux/of_platform.h>
static int am335x_child_probe(struct platform_device *pdev)
{
int ret;
pm_runtime_enable(&pdev->dev);
ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
if (ret)
goto err;
return 0;
err:
pm_runtime_disable(&pdev->dev);
return ret;
}
static int of_remove_populated_child(struct device *dev, void *d)
{
struct platform_device *pdev = to_platform_device(dev);
of_device_unregister(pdev);
return 0;
}
static int am335x_child_remove(struct platform_device *pdev)
{
device_for_each_child(&pdev->dev, NULL, of_remove_populated_child);
pm_runtime_disable(&pdev->dev);
return 0;
}
static const struct of_device_id am335x_child_of_match[] = {
{ .compatible = "ti,am33xx-usb" },
{ },
};
MODULE_DEVICE_TABLE(of, am335x_child_of_match);
static struct platform_driver am335x_child_driver = {
.probe = am335x_child_probe,
.remove = am335x_child_remove,
.driver = {
.name = "am335x-usb-childs",
.of_match_table = am335x_child_of_match,
},
};
module_platform_driver(am335x_child_driver);
MODULE_DESCRIPTION("AM33xx child devices");
MODULE_LICENSE("GPL v2");
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