| #ifndef __BACKPORT_LINUX_REGMAP_H |
| #define __BACKPORT_LINUX_REGMAP_H |
| #include_next <linux/regmap.h> |
| #include <linux/version.h> |
| |
| #if LINUX_VERSION_IS_LESS(3,5,0) && \ |
| LINUX_VERSION_IS_GEQ(3,2,0) |
| #define dev_get_regmap LINUX_BACKPORT(dev_get_regmap) |
| static inline |
| struct regmap *dev_get_regmap(struct device *dev, const char *name) |
| { |
| return NULL; |
| } |
| #endif |
| |
| #if LINUX_VERSION_IS_LESS(3,4,0) && \ |
| LINUX_VERSION_IS_GEQ(3,2,0) |
| #if defined(CONFIG_REGMAP) |
| #define devm_regmap_init LINUX_BACKPORT(devm_regmap_init) |
| struct regmap *devm_regmap_init(struct device *dev, |
| const struct regmap_bus *bus, |
| const struct regmap_config *config); |
| #if defined(CONFIG_REGMAP_I2C) |
| #define devm_regmap_init_i2c LINUX_BACKPORT(devm_regmap_init_i2c) |
| struct regmap *devm_regmap_init_i2c(struct i2c_client *i2c, |
| const struct regmap_config *config); |
| #endif /* defined(CONFIG_REGMAP_I2C) */ |
| |
| /* |
| * We can't backport these unless we try to backport |
| * the full regmap into core so warn if used. |
| * No drivers are using this yet anyway. |
| */ |
| #define regmap_raw_write_async LINUX_BACKPORT(regmap_raw_write_async) |
| static inline int regmap_raw_write_async(struct regmap *map, unsigned int reg, |
| const void *val, size_t val_len) |
| { |
| WARN_ONCE(1, "regmap API is disabled"); |
| return -EINVAL; |
| } |
| |
| #define regmap_async_complete LINUX_BACKPORT(regmap_async_complete) |
| static inline void regmap_async_complete(struct regmap *map) |
| { |
| WARN_ONCE(1, "regmap API is disabled"); |
| } |
| |
| #endif /* defined(CONFIG_REGMAP) */ |
| #endif /* 3.2 <= version < 3.4 */ |
| |
| #endif /* __BACKPORT_LINUX_REGMAP_H */ |