/* SPDX-License-Identifier: GPL-2.0 */

  #ifndef _LINUX_OF_DEVICE_H
  #define _LINUX_OF_DEVICE_H

  #include <linux/cpu.h>

  #include <linux/platform_device.h>

  #include <linux/of_platform.h> /* temporary until merge */

  #include <linux/of.h>
  #include <linux/mod_devicetable.h>

  struct device;

  #ifdef CONFIG_OF

  extern const struct of_device_id *of_match_device(

  	const struct of_device_id *matches, const struct device *dev);

  /**
   * of_driver_match_device - Tell if a driver's of_match_table matches a device.
   * @drv: the device_driver structure to test
   * @dev: the device structure to match against
   */

  static inline int of_driver_match_device(struct device *dev,

  					 const struct device_driver *drv)
  {

  	return of_match_device(drv->of_match_table, dev) != NULL;

  }

  extern struct platform_device *of_dev_get(struct platform_device *dev);
  extern void of_dev_put(struct platform_device *dev);

  extern int of_device_add(struct platform_device *pdev);

  extern int of_device_register(struct platform_device *ofdev);
  extern void of_device_unregister(struct platform_device *ofdev);

  extern const void *of_device_get_match_data(const struct device *dev);

  extern ssize_t of_device_modalias(struct device *dev, char *str, ssize_t len);

  extern int of_device_request_module(struct device *dev);

  extern void of_device_uevent(struct device *dev, struct kobj_uevent_env *env);
  extern int of_device_uevent_modalias(struct device *dev, struct kobj_uevent_env *env);

  static inline void of_device_node_put(struct device *dev)
  {
  	of_node_put(dev->of_node);
  }

  static inline struct device_node *of_cpu_device_node_get(int cpu)
  {
  	struct device *cpu_dev;
  	cpu_dev = get_cpu_device(cpu);
  	if (!cpu_dev)

  		return of_get_cpu_node(cpu, NULL);

  	return of_node_get(cpu_dev->of_node);
  }

  int of_dma_configure(struct device *dev, struct device_node *np);

  void of_dma_deconfigure(struct device *dev);

  #else /* CONFIG_OF */

  
  static inline int of_driver_match_device(struct device *dev,

  					 const struct device_driver *drv)

  {
  	return 0;
  }

  static inline void of_device_uevent(struct device *dev,
  			struct kobj_uevent_env *env) { }

  static inline const void *of_device_get_match_data(const struct device *dev)
  {
  	return NULL;
  }

  static inline int of_device_modalias(struct device *dev,
  				     char *str, ssize_t len)

  {
  	return -ENODEV;
  }

  static inline int of_device_request_module(struct device *dev)
  {
  	return -ENODEV;
  }

  static inline int of_device_uevent_modalias(struct device *dev,

  				   struct kobj_uevent_env *env)
  {
  	return -ENODEV;
  }

  static inline void of_device_node_put(struct device *dev) { }

  static inline const struct of_device_id *__of_match_device(

  		const struct of_device_id *matches, const struct device *dev)
  {
  	return NULL;
  }

  #define of_match_device(matches, dev)	\
  	__of_match_device(of_match_ptr(matches), (dev))

  
  static inline struct device_node *of_cpu_device_node_get(int cpu)
  {
  	return NULL;
  }

  
  static inline int of_dma_configure(struct device *dev, struct device_node *np)
  {
  	return 0;
  }

  static inline void of_dma_deconfigure(struct device *dev)

  {}

  #endif /* CONFIG_OF */

  #endif /* _LINUX_OF_DEVICE_H */