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kernel/linux-imx6_3.14.28/drivers/usb/chipidea/host.h 535 Bytes
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  #ifndef __DRIVERS_USB_CHIPIDEA_HOST_H
  #define __DRIVERS_USB_CHIPIDEA_HOST_H
  
  #ifdef CONFIG_USB_CHIPIDEA_HOST
  
  int ci_hdrc_host_init(struct ci_hdrc *ci);
  void ci_hdrc_host_destroy(struct ci_hdrc *ci);
  bool ci_hdrc_host_has_device(struct ci_hdrc *ci);
  
  #else
  
  static inline int ci_hdrc_host_init(struct ci_hdrc *ci)
  {
  	return -ENXIO;
  }
  
  static inline void ci_hdrc_host_destroy(struct ci_hdrc *ci)
  {
  
  }
  
  static inline bool ci_hdrc_host_has_device(struct ci_hdrc *ci)
  {
  	return false;
  }
  
  #endif
  
  #endif /* __DRIVERS_USB_CHIPIDEA_HOST_H */