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