extern int platform_device_add_resources(struct platform_device *pdev, struct resource *res, unsigned int num);
extern int platform_device_add_data(struct platform_device *pdev, void *data, size_t size);
extern int platform_device_add(struct platform_device *pdev);
+extern void platform_device_del(struct platform_device *pdev);
extern void platform_device_put(struct platform_device *pdev);
struct platform_driver {