2 * nvmem framework provider.
4 * Copyright (C) 2015 Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
5 * Copyright (C) 2013 Maxime Ripard <maxime.ripard@free-electrons.com>
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
12 #ifndef _LINUX_NVMEM_PROVIDER_H
13 #define _LINUX_NVMEM_PROVIDER_H
16 struct nvmem_cell_info;
17 typedef int (*nvmem_reg_read_t)(void *priv, unsigned int offset,
18 void *val, size_t bytes);
19 typedef int (*nvmem_reg_write_t)(void *priv, unsigned int offset,
20 void *val, size_t bytes);
27 const struct nvmem_cell_info *cells;
31 nvmem_reg_read_t reg_read;
32 nvmem_reg_write_t reg_write;
37 /* To be only used by old driver/misc/eeprom drivers */
39 struct device *base_dev;
42 #if IS_ENABLED(CONFIG_NVMEM)
44 struct nvmem_device *nvmem_register(const struct nvmem_config *cfg);
45 int nvmem_unregister(struct nvmem_device *nvmem);
49 static inline struct nvmem_device *nvmem_register(const struct nvmem_config *c)
51 return ERR_PTR(-ENOSYS);
54 static inline int nvmem_unregister(struct nvmem_device *nvmem)
59 #endif /* CONFIG_NVMEM */
60 #endif /* ifndef _LINUX_NVMEM_PROVIDER_H */