/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_RESET_H_ #define _LINUX_RESET_H_ #include #include #include struct device; struct device_node; struct reset_control; /** * struct reset_control_bulk_data - Data used for bulk reset control operations. * * @id: reset control consumer ID * @rstc: struct reset_control * to store the associated reset control * * The reset APIs provide a series of reset_control_bulk_*() API calls as * a convenience to consumers which require multiple reset controls. * This structure is used to manage data for these calls. */ struct reset_control_bulk_data { const char *id; struct reset_control *rstc; }; #define RESET_CONTROL_FLAGS_BIT_SHARED BIT(0) /* not exclusive */ #define RESET_CONTROL_FLAGS_BIT_OPTIONAL BIT(1) #define RESET_CONTROL_FLAGS_BIT_ACQUIRED BIT(2) /* iff exclusive, not released */ #define RESET_CONTROL_FLAGS_BIT_DEASSERTED BIT(3) /** * enum reset_control_flags - Flags that can be passed to the reset_control_get functions * to determine the type of reset control. * These values cannot be OR'd. * * @RESET_CONTROL_EXCLUSIVE: exclusive, acquired, * @RESET_CONTROL_EXCLUSIVE_DEASSERTED: exclusive, acquired, deasserted * @RESET_CONTROL_EXCLUSIVE_RELEASED: exclusive, released, * @RESET_CONTROL_SHARED: shared * @RESET_CONTROL_SHARED_DEASSERTED: shared, deasserted * @RESET_CONTROL_OPTIONAL_EXCLUSIVE: optional, exclusive, acquired * @RESET_CONTROL_OPTIONAL_EXCLUSIVE_DEASSERTED: optional, exclusive, acquired, deasserted * @RESET_CONTROL_OPTIONAL_EXCLUSIVE_RELEASED: optional, exclusive, released * @RESET_CONTROL_OPTIONAL_SHARED: optional, shared * @RESET_CONTROL_OPTIONAL_SHARED_DEASSERTED: optional, shared, deasserted */ enum reset_control_flags { RESET_CONTROL_EXCLUSIVE = RESET_CONTROL_FLAGS_BIT_ACQUIRED, RESET_CONTROL_EXCLUSIVE_DEASSERTED = RESET_CONTROL_FLAGS_BIT_ACQUIRED | RESET_CONTROL_FLAGS_BIT_DEASSERTED, RESET_CONTROL_EXCLUSIVE_RELEASED = 0, RESET_CONTROL_SHARED = RESET_CONTROL_FLAGS_BIT_SHARED, RESET_CONTROL_SHARED_DEASSERTED = RESET_CONTROL_FLAGS_BIT_SHARED | RESET_CONTROL_FLAGS_BIT_DEASSERTED, RESET_CONTROL_OPTIONAL_EXCLUSIVE = RESET_CONTROL_FLAGS_BIT_OPTIONAL | RESET_CONTROL_FLAGS_BIT_ACQUIRED, RESET_CONTROL_OPTIONAL_EXCLUSIVE_DEASSERTED = RESET_CONTROL_FLAGS_BIT_OPTIONAL | RESET_CONTROL_FLAGS_BIT_ACQUIRED | RESET_CONTROL_FLAGS_BIT_DEASSERTED, RESET_CONTROL_OPTIONAL_EXCLUSIVE_RELEASED = RESET_CONTROL_FLAGS_BIT_OPTIONAL, RESET_CONTROL_OPTIONAL_SHARED = RESET_CONTROL_FLAGS_BIT_OPTIONAL | RESET_CONTROL_FLAGS_BIT_SHARED, RESET_CONTROL_OPTIONAL_SHARED_DEASSERTED = RESET_CONTROL_FLAGS_BIT_OPTIONAL | RESET_CONTROL_FLAGS_BIT_SHARED | RESET_CONTROL_FLAGS_BIT_DEASSERTED, }; #ifdef CONFIG_RESET_CONTROLLER int reset_control_reset(struct reset_control *rstc); int reset_control_rearm(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); int reset_control_acquire(struct reset_control *rstc); void reset_control_release(struct reset_control *rstc); int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs); void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs); struct reset_control *__of_reset_control_get(struct device_node *node, const char *id, int index, enum reset_control_flags flags); struct reset_control *__reset_control_get(struct device *dev, const char *id, int index, enum reset_control_flags flags); void reset_control_put(struct reset_control *rstc); int __reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, enum reset_control_flags flags); void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs); int __device_reset(struct device *dev, bool optional); struct reset_control *__devm_reset_control_get(struct device *dev, const char *id, int index, enum reset_control_flags flags); int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, enum reset_control_flags flags); struct reset_control *devm_reset_control_array_get(struct device *dev, enum reset_control_flags flags); struct reset_control *of_reset_control_array_get(struct device_node *np, enum reset_control_flags); int reset_control_get_count(struct device *dev); #else static inline int reset_control_reset(struct reset_control *rstc) { return 0; } static inline int reset_control_rearm(struct reset_control *rstc) { return 0; } static inline int reset_control_assert(struct reset_control *rstc) { return 0; } static inline int reset_control_deassert(struct reset_control *rstc) { return 0; } static inline int reset_control_status(struct reset_control *rstc) { return 0; } static inline int reset_control_acquire(struct reset_control *rstc) { return 0; } static inline void reset_control_release(struct reset_control *rstc) { } static inline void reset_control_put(struct reset_control *rstc) { } static inline int __device_reset(struct device *dev, bool optional) { return optional ? 0 : -ENOTSUPP; } static inline struct reset_control *__of_reset_control_get( struct device_node *node, const char *id, int index, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline struct reset_control *__reset_control_get( struct device *dev, const char *id, int index, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs) { } static inline int __reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? 0 : -EOPNOTSUPP; } static inline void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs) { } static inline struct reset_control *__devm_reset_control_get( struct device *dev, const char *id, int index, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? 0 : -EOPNOTSUPP; } static inline struct reset_control * devm_reset_control_array_get(struct device *dev, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline struct reset_control * of_reset_control_array_get(struct device_node *np, enum reset_control_flags flags) { bool optional = flags & RESET_CONTROL_FLAGS_BIT_OPTIONAL; return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int reset_control_get_count(struct device *dev) { return -ENOENT; } #endif /* CONFIG_RESET_CONTROLLER */ static inline int __must_check device_reset(struct device *dev) { return __device_reset(dev, false); } static inline int device_reset_optional(struct device *dev) { return __device_reset(dev, true); } /** * reset_control_get_exclusive - Lookup and obtain an exclusive reference * to a reset controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * If this function is called more than once for the same reset_control it will * return -EBUSY. * * See reset_control_get_shared() for details on shared references to * reset-controls. * * Use of id names is optional. */ static inline struct reset_control * __must_check reset_control_get_exclusive(struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, RESET_CONTROL_EXCLUSIVE); } /** * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to * multiple reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to exclusive reset controls and * returns 0, or an IS_ERR() condition containing errno. */ static inline int __must_check reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_EXCLUSIVE); } /** * reset_control_get_exclusive_released - Lookup and obtain a temoprarily * exclusive reference to a reset * controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * reset-controls returned by this function must be acquired via * reset_control_acquire() before they can be used and should be released * via reset_control_release() afterwards. * * Use of id names is optional. */ static inline struct reset_control * __must_check reset_control_get_exclusive_released(struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, RESET_CONTROL_EXCLUSIVE_RELEASED); } /** * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily * exclusive references to multiple reset * controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to exclusive reset controls and * returns 0, or an IS_ERR() condition containing errno. * reset-controls returned by this function must be acquired via * reset_control_bulk_acquire() before they can be used and should be released * via reset_control_bulk_release() afterwards. */ static inline int __must_check reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_EXCLUSIVE_RELEASED); } /** * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional * temporarily exclusive references to multiple * reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_exclusive_released(). If the * requested reset is not specified in the device tree, this function returns 0 * instead of an error and missing rtsc is set to NULL. * * See reset_control_bulk_get_exclusive_released() for more information. */ static inline int __must_check reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_EXCLUSIVE_RELEASED); } /** * reset_control_get_shared - Lookup and obtain a shared reference to a * reset controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * This function is intended for use with reset-controls which are shared * between hardware blocks. * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * * Use of id names is optional. */ static inline struct reset_control *reset_control_get_shared( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, RESET_CONTROL_SHARED); } /** * reset_control_bulk_get_shared - Lookup and obtain shared references to * multiple reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to shared reset controls and * returns 0, or an IS_ERR() condition containing errno. */ static inline int __must_check reset_control_bulk_get_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_SHARED); } /** * reset_control_get_optional_exclusive - optional reset_control_get_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Optional variant of reset_control_get_exclusive(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control *reset_control_get_optional_exclusive( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } /** * reset_control_bulk_get_optional_exclusive - optional * reset_control_bulk_get_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_exclusive(). If any of the * requested resets are not specified in the device tree, this function sets * them to NULL instead of returning an error. * * See reset_control_bulk_get_exclusive() for more information. */ static inline int __must_check reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } /** * reset_control_get_optional_shared - optional reset_control_get_shared() * @dev: device to be reset by the controller * @id: reset line name * * Optional variant of reset_control_get_shared(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * See reset_control_get_shared() for more information. */ static inline struct reset_control *reset_control_get_optional_shared( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_SHARED); } /** * reset_control_bulk_get_optional_shared - optional * reset_control_bulk_get_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_shared(). If the requested resets * are not specified in the device tree, this function sets them to NULL * instead of returning an error. * * See reset_control_bulk_get_shared() for more information. */ static inline int __must_check reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_SHARED); } /** * of_reset_control_get_exclusive - Lookup and obtain an exclusive reference * to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_exclusive( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, RESET_CONTROL_EXCLUSIVE); } /** * of_reset_control_get_optional_exclusive - Lookup and obtain an optional exclusive * reference to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * Optional variant of of_reset_control_get_exclusive(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_optional_exclusive( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } /** * of_reset_control_get_shared - Lookup and obtain a shared reference * to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_shared( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, RESET_CONTROL_SHARED); } /** * of_reset_control_get_exclusive_by_index - Lookup and obtain an exclusive * reference to a reset controller * by index. * @node: device to be reset by the controller * @index: index of the reset controller * * This is to be used to perform a list of resets for a device or power domain * in whatever order. Returns a struct reset_control or IS_ERR() condition * containing errno. */ static inline struct reset_control *of_reset_control_get_exclusive_by_index( struct device_node *node, int index) { return __of_reset_control_get(node, NULL, index, RESET_CONTROL_EXCLUSIVE); } /** * of_reset_control_get_shared_by_index - Lookup and obtain a shared * reference to a reset controller * by index. * @node: device to be reset by the controller * @index: index of the reset controller * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * Returns a struct reset_control or IS_ERR() condition containing errno. * * This is to be used to perform a list of resets for a device or power domain * in whatever order. Returns a struct reset_control or IS_ERR() condition * containing errno. */ static inline struct reset_control *of_reset_control_get_shared_by_index( struct device_node *node, int index) { return __of_reset_control_get(node, NULL, index, RESET_CONTROL_SHARED); } /** * devm_reset_control_get_exclusive - resource managed * reset_control_get_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_exclusive(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_exclusive(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_EXCLUSIVE); } /** * devm_reset_control_get_exclusive_deasserted - resource managed * reset_control_get_exclusive() + * reset_control_deassert() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_exclusive() + reset_control_deassert(). For reset * controllers returned from this function, reset_control_assert() + * reset_control_put() is called automatically on driver detach. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_exclusive_deasserted(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_EXCLUSIVE_DEASSERTED); } /** * devm_reset_control_bulk_get_exclusive - resource managed * reset_control_bulk_get_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_exclusive(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_bulk_get_exclusive() for more information. */ static inline int __must_check devm_reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_EXCLUSIVE); } /** * devm_reset_control_get_exclusive_released - resource managed * reset_control_get_exclusive_released() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_exclusive_released(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_get_exclusive_released() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_exclusive_released(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_EXCLUSIVE_RELEASED); } /** * devm_reset_control_bulk_get_exclusive_released - resource managed * reset_control_bulk_get_exclusive_released() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_exclusive_released(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_exclusive_released() for more information. */ static inline int __must_check devm_reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_EXCLUSIVE_RELEASED); } /** * devm_reset_control_get_optional_exclusive_released - resource managed * reset_control_get_optional_exclusive_released() * @dev: device to be reset by the controller * @id: reset line name * * Managed-and-optional variant of reset_control_get_exclusive_released(). For * reset controllers returned from this function, reset_control_put() is called * automatically on driver detach. * * See reset_control_get_exclusive_released() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_optional_exclusive_released(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_EXCLUSIVE_RELEASED); } /** * devm_reset_control_bulk_get_optional_exclusive_released - resource managed * reset_control_bulk_optional_get_exclusive_released() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_optional_get_exclusive_released(). For reset * controllers returned from this function, reset_control_put() is called * automatically on driver detach. * * See reset_control_bulk_optional_get_exclusive_released() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_EXCLUSIVE_RELEASED); } /** * devm_reset_control_get_shared - resource managed reset_control_get_shared() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_shared(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver detach. * See reset_control_get_shared() for more information. */ static inline struct reset_control *devm_reset_control_get_shared( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_SHARED); } /** * devm_reset_control_get_shared_deasserted - resource managed * reset_control_get_shared() + * reset_control_deassert() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_shared() + reset_control_deassert(). For reset * controllers returned from this function, reset_control_assert() + * reset_control_put() is called automatically on driver detach. * * See devm_reset_control_get_shared() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_shared_deasserted(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_SHARED_DEASSERTED); } /** * devm_reset_control_bulk_get_shared - resource managed * reset_control_bulk_get_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_shared(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_bulk_get_shared() for more information. */ static inline int __must_check devm_reset_control_bulk_get_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_SHARED); } /** * devm_reset_control_bulk_get_shared_deasserted - resource managed * reset_control_bulk_get_shared() + * reset_control_bulk_deassert() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_shared() + reset_control_bulk_deassert(). For * reset controllers returned from this function, reset_control_bulk_assert() + * reset_control_bulk_put() are called automatically on driver detach. * * See devm_reset_control_bulk_get_shared() for more information. */ static inline int __must_check devm_reset_control_bulk_get_shared_deasserted(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_SHARED_DEASSERTED); } /** * devm_reset_control_get_optional_exclusive - resource managed * reset_control_get_optional_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_exclusive(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_get_optional_exclusive() for more information. */ static inline struct reset_control *devm_reset_control_get_optional_exclusive( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } /** * devm_reset_control_get_optional_exclusive_deasserted - resource managed * reset_control_get_optional_exclusive() + * reset_control_deassert() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_exclusive() + reset_control_deassert(). * For reset controllers returned from this function, reset_control_assert() + * reset_control_put() is called automatically on driver detach. * * See devm_reset_control_get_optional_exclusive() for more information. */ static inline struct reset_control * devm_reset_control_get_optional_exclusive_deasserted(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_EXCLUSIVE_DEASSERTED); } /** * devm_reset_control_bulk_get_optional_exclusive - resource managed * reset_control_bulk_get_optional_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_optional_exclusive(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_optional_exclusive() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } /** * devm_reset_control_get_optional_shared - resource managed * reset_control_get_optional_shared() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_shared(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_optional_shared() for more information. */ static inline struct reset_control *devm_reset_control_get_optional_shared( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_SHARED); } /** * devm_reset_control_get_optional_shared_deasserted - resource managed * reset_control_get_optional_shared() + * reset_control_deassert() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_shared() + reset_control_deassert(). For * reset controllers returned from this function, reset_control_assert() + * reset_control_put() is called automatically on driver detach. * * See devm_reset_control_get_optional_shared() for more information. */ static inline struct reset_control * devm_reset_control_get_optional_shared_deasserted(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, RESET_CONTROL_OPTIONAL_SHARED_DEASSERTED); } /** * devm_reset_control_bulk_get_optional_shared - resource managed * reset_control_bulk_get_optional_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_optional_shared(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_optional_shared() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, RESET_CONTROL_OPTIONAL_SHARED); } /** * devm_reset_control_get_exclusive_by_index - resource managed * reset_control_get_exclusive() * @dev: device to be reset by the controller * @index: index of the reset controller * * Managed reset_control_get_exclusive(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control * devm_reset_control_get_exclusive_by_index(struct device *dev, int index) { return __devm_reset_control_get(dev, NULL, index, RESET_CONTROL_EXCLUSIVE); } /** * devm_reset_control_get_shared_by_index - resource managed * reset_control_get_shared * @dev: device to be reset by the controller * @index: index of the reset controller * * Managed reset_control_get_shared(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver detach. * See reset_control_get_shared() for more information. */ static inline struct reset_control * devm_reset_control_get_shared_by_index(struct device *dev, int index) { return __devm_reset_control_get(dev, NULL, index, RESET_CONTROL_SHARED); } /* * TEMPORARY calls to use during transition: * * of_reset_control_get() => of_reset_control_get_exclusive() * * These inline function calls will be removed once all consumers * have been moved over to the new explicit API. */ static inline struct reset_control *of_reset_control_get( struct device_node *node, const char *id) { return of_reset_control_get_exclusive(node, id); } static inline struct reset_control *of_reset_control_get_by_index( struct device_node *node, int index) { return of_reset_control_get_exclusive_by_index(node, index); } static inline struct reset_control *devm_reset_control_get( struct device *dev, const char *id) { return devm_reset_control_get_exclusive(dev, id); } static inline struct reset_control *devm_reset_control_get_optional( struct device *dev, const char *id) { return devm_reset_control_get_optional_exclusive(dev, id); } static inline struct reset_control *devm_reset_control_get_by_index( struct device *dev, int index) { return devm_reset_control_get_exclusive_by_index(dev, index); } /* * APIs to manage a list of reset controllers */ static inline struct reset_control * devm_reset_control_array_get_exclusive(struct device *dev) { return devm_reset_control_array_get(dev, RESET_CONTROL_EXCLUSIVE); } static inline struct reset_control * devm_reset_control_array_get_shared(struct device *dev) { return devm_reset_control_array_get(dev, RESET_CONTROL_SHARED); } static inline struct reset_control * devm_reset_control_array_get_optional_exclusive(struct device *dev) { return devm_reset_control_array_get(dev, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } static inline struct reset_control * devm_reset_control_array_get_optional_shared(struct device *dev) { return devm_reset_control_array_get(dev, RESET_CONTROL_OPTIONAL_SHARED); } static inline struct reset_control * of_reset_control_array_get_exclusive(struct device_node *node) { return of_reset_control_array_get(node, RESET_CONTROL_EXCLUSIVE); } static inline struct reset_control * of_reset_control_array_get_exclusive_released(struct device_node *node) { return of_reset_control_array_get(node, RESET_CONTROL_EXCLUSIVE_RELEASED); } static inline struct reset_control * of_reset_control_array_get_shared(struct device_node *node) { return of_reset_control_array_get(node, RESET_CONTROL_SHARED); } static inline struct reset_control * of_reset_control_array_get_optional_exclusive(struct device_node *node) { return of_reset_control_array_get(node, RESET_CONTROL_OPTIONAL_EXCLUSIVE); } static inline struct reset_control * of_reset_control_array_get_optional_shared(struct device_node *node) { return of_reset_control_array_get(node, RESET_CONTROL_OPTIONAL_SHARED); } #endif