Edit File: nvmem-provider.h
/* * 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 #include <linux/err.h> #include <linux/errno.h> struct nvmem_device; struct nvmem_cell_info; typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset, void *val, size_t bytes); typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset, void *val, size_t bytes); 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; bool root_only; nvmem_reg_read_t reg_read; nvmem_reg_write_t reg_write; int size; int word_size; int stride; void *priv; /* To be only used by old driver/misc/eeprom drivers */ bool compat; struct device *base_dev; }; #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 */