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kernel/linux-rt-4.4.41/include/linux/nvmem-provider.h 1.06 KB
5113f6f70   김현기   kernel add
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  /*
   * nvmem framework provider.
   *
   * Copyright (C) 2015 Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
   * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
   *
   * This file is licensed under the terms of the GNU General Public
   * License version 2.  This program is licensed "as is" without any
   * warranty of any kind, whether express or implied.
   */
  
  #ifndef _LINUX_NVMEM_PROVIDER_H
  #define _LINUX_NVMEM_PROVIDER_H
  
  struct nvmem_device;
  struct nvmem_cell_info;
  
  struct nvmem_config {
  	struct device		*dev;
  	const char		*name;
  	int			id;
  	struct module		*owner;
  	const struct nvmem_cell_info	*cells;
  	int			ncells;
  	bool			read_only;
  };
  
  #if IS_ENABLED(CONFIG_NVMEM)
  
  struct nvmem_device *nvmem_register(const struct nvmem_config *cfg);
  int nvmem_unregister(struct nvmem_device *nvmem);
  
  #else
  
  static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c)
  {
  	return ERR_PTR(-ENOSYS);
  }
  
  static inline int nvmem_unregister(struct nvmem_device *nvmem)
  {
  	return -ENOSYS;
  }
  
  #endif /* CONFIG_NVMEM */
  
  #endif  /* ifndef _LINUX_NVMEM_PROVIDER_H */