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Linux/drivers/usb/musb/musb_am335x.c

  1 #include <linux/platform_device.h>
  2 #include <linux/pm_runtime.h>
  3 #include <linux/module.h>
  4 #include <linux/of_platform.h>
  5 
  6 static int am335x_child_probe(struct platform_device *pdev)
  7 {
  8         int ret;
  9 
 10         pm_runtime_enable(&pdev->dev);
 11 
 12         ret = of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
 13         if (ret)
 14                 goto err;
 15 
 16         return 0;
 17 err:
 18         pm_runtime_disable(&pdev->dev);
 19         return ret;
 20 }
 21 
 22 static const struct of_device_id am335x_child_of_match[] = {
 23         { .compatible = "ti,am33xx-usb" },
 24         {  },
 25 };
 26 MODULE_DEVICE_TABLE(of, am335x_child_of_match);
 27 
 28 static struct platform_driver am335x_child_driver = {
 29         .probe          = am335x_child_probe,
 30         .driver         = {
 31                 .name   = "am335x-usb-childs",
 32                 .of_match_table = am335x_child_of_match,
 33         },
 34 };
 35 
 36 static int __init am335x_child_init(void)
 37 {
 38         return platform_driver_register(&am335x_child_driver);
 39 }
 40 module_init(am335x_child_init);
 41 
 42 MODULE_DESCRIPTION("AM33xx child devices");
 43 MODULE_LICENSE("GPL v2");
 44 

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