diff options
Diffstat (limited to 'include/linux/reset.h')
-rw-r--r-- | include/linux/reset.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/include/linux/reset.h b/include/linux/reset.h new file mode 100644 index 000000000..da5602bd7 --- /dev/null +++ b/include/linux/reset.h @@ -0,0 +1,97 @@ +#ifndef _LINUX_RESET_H_ +#define _LINUX_RESET_H_ + +struct device; +struct device_node; +struct reset_control; + +#ifdef CONFIG_RESET_CONTROLLER + +int reset_control_reset(struct reset_control *rstc); +int reset_control_assert(struct reset_control *rstc); +int reset_control_deassert(struct reset_control *rstc); +int reset_control_status(struct reset_control *rstc); + +struct reset_control *reset_control_get(struct device *dev, const char *id); +void reset_control_put(struct reset_control *rstc); +struct reset_control *devm_reset_control_get(struct device *dev, const char *id); + +int __must_check device_reset(struct device *dev); + +static inline int device_reset_optional(struct device *dev) +{ + return device_reset(dev); +} + +static inline struct reset_control *reset_control_get_optional( + struct device *dev, const char *id) +{ + return reset_control_get(dev, id); +} + +static inline struct reset_control *devm_reset_control_get_optional( + struct device *dev, const char *id) +{ + return devm_reset_control_get(dev, id); +} + +struct reset_control *of_reset_control_get(struct device_node *node, + const char *id); + +#else + +static inline int reset_control_reset(struct reset_control *rstc) +{ + WARN_ON(1); + return 0; +} + +static inline int reset_control_assert(struct reset_control *rstc) +{ + WARN_ON(1); + return 0; +} + +static inline int reset_control_deassert(struct reset_control *rstc) +{ + WARN_ON(1); + return 0; +} + +static inline int reset_control_status(struct reset_control *rstc) +{ + WARN_ON(1); + return 0; +} + +static inline void reset_control_put(struct reset_control *rstc) +{ + WARN_ON(1); +} + +static inline int device_reset_optional(struct device *dev) +{ + return -ENOSYS; +} + +static inline struct reset_control *reset_control_get_optional( + struct device *dev, const char *id) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct reset_control *devm_reset_control_get_optional( + struct device *dev, const char *id) +{ + return ERR_PTR(-ENOSYS); +} + +static inline struct reset_control *of_reset_control_get( + struct device_node *node, const char *id) +{ + return ERR_PTR(-ENOSYS); +} + +#endif /* CONFIG_RESET_CONTROLLER */ + +#endif |