905 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			905 lines
		
	
	
		
			31 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
 | |
| #ifndef _LINUX_RESET_H_
 | |
| #define _LINUX_RESET_H_
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| 
 | |
| #include <linux/err.h>
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| #include <linux/errno.h>
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| #include <linux/types.h>
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| 
 | |
| struct device;
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| struct device_node;
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| struct reset_control;
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| 
 | |
| /**
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|  * struct reset_control_bulk_data - Data used for bulk reset control operations.
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|  *
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|  * @id: reset control consumer ID
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|  * @rstc: struct reset_control * to store the associated reset control
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|  *
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|  * The reset APIs provide a series of reset_control_bulk_*() API calls as
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|  * a convenience to consumers which require multiple reset controls.
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|  * This structure is used to manage data for these calls.
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|  */
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| struct reset_control_bulk_data {
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| 	const char			*id;
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| 	struct reset_control		*rstc;
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| };
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| 
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| #ifdef CONFIG_RESET_CONTROLLER
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| 
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| int reset_control_reset(struct reset_control *rstc);
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| int reset_control_rearm(struct reset_control *rstc);
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| int reset_control_assert(struct reset_control *rstc);
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| int reset_control_deassert(struct reset_control *rstc);
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| int reset_control_status(struct reset_control *rstc);
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| int reset_control_acquire(struct reset_control *rstc);
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| void reset_control_release(struct reset_control *rstc);
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| 
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| int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| 
 | |
| struct reset_control *__of_reset_control_get(struct device_node *node,
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| 				     const char *id, int index, bool shared,
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| 				     bool optional, bool acquired);
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| struct reset_control *__reset_control_get(struct device *dev, const char *id,
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| 					  int index, bool shared,
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| 					  bool optional, bool acquired);
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| void reset_control_put(struct reset_control *rstc);
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| int __reset_control_bulk_get(struct device *dev, int num_rstcs,
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| 			     struct reset_control_bulk_data *rstcs,
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| 			     bool shared, bool optional, bool acquired);
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| void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs);
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| 
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| int __device_reset(struct device *dev, bool optional);
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| struct reset_control *__devm_reset_control_get(struct device *dev,
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| 				     const char *id, int index, bool shared,
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| 				     bool optional, bool acquired);
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| int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
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| 				  struct reset_control_bulk_data *rstcs,
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| 				  bool shared, bool optional, bool acquired);
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| 
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| struct reset_control *devm_reset_control_array_get(struct device *dev,
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| 						   bool shared, bool optional);
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| struct reset_control *of_reset_control_array_get(struct device_node *np,
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| 						 bool shared, bool optional,
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| 						 bool acquired);
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| 
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| int reset_control_get_count(struct device *dev);
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| 
 | |
| #else
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| 
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| static inline int reset_control_reset(struct reset_control *rstc)
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| {
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| 	return 0;
 | |
| }
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| 
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| static inline int reset_control_rearm(struct reset_control *rstc)
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| {
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| 	return 0;
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| }
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| 
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| static inline int reset_control_assert(struct reset_control *rstc)
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| {
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| 	return 0;
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| }
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| 
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| static inline int reset_control_deassert(struct reset_control *rstc)
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| {
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| 	return 0;
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| }
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| 
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| static inline int reset_control_status(struct reset_control *rstc)
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| {
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| 	return 0;
 | |
| }
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| 
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| static inline int reset_control_acquire(struct reset_control *rstc)
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| {
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| 	return 0;
 | |
| }
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| 
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| static inline void reset_control_release(struct reset_control *rstc)
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| {
 | |
| }
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| 
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| static inline void reset_control_put(struct reset_control *rstc)
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| {
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| }
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| 
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| static inline int __device_reset(struct device *dev, bool optional)
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| {
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| 	return optional ? 0 : -ENOTSUPP;
 | |
| }
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| 
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| static inline struct reset_control *__of_reset_control_get(
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| 					struct device_node *node,
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| 					const char *id, int index, bool shared,
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| 					bool optional, bool acquired)
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| {
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| 	return optional ? NULL : ERR_PTR(-ENOTSUPP);
 | |
| }
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| 
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| static inline struct reset_control *__reset_control_get(
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| 					struct device *dev, const char *id,
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| 					int index, bool shared, bool optional,
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| 					bool acquired)
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| {
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| 	return optional ? NULL : ERR_PTR(-ENOTSUPP);
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| }
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| 
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| static inline int
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| reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| 	return 0;
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| }
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| 
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| static inline int
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| reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| 	return 0;
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| }
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| 
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| static inline int
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| reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| 	return 0;
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| }
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| 
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| static inline int
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| reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| 	return 0;
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| }
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| 
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| static inline void
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| reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| }
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| 
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| static inline int
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| __reset_control_bulk_get(struct device *dev, int num_rstcs,
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| 			 struct reset_control_bulk_data *rstcs,
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| 			 bool shared, bool optional, bool acquired)
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| {
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| 	return optional ? 0 : -EOPNOTSUPP;
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| }
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| 
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| static inline void
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| reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs)
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| {
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| }
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| 
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| static inline struct reset_control *__devm_reset_control_get(
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| 					struct device *dev, const char *id,
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| 					int index, bool shared, bool optional,
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| 					bool acquired)
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| {
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| 	return optional ? NULL : ERR_PTR(-ENOTSUPP);
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| }
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| 
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| static inline int
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| __devm_reset_control_bulk_get(struct device *dev, int num_rstcs,
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| 			      struct reset_control_bulk_data *rstcs,
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| 			      bool shared, bool optional, bool acquired)
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| {
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| 	return optional ? 0 : -EOPNOTSUPP;
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| }
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| 
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| static inline struct reset_control *
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| devm_reset_control_array_get(struct device *dev, bool shared, bool optional)
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| {
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| 	return optional ? NULL : ERR_PTR(-ENOTSUPP);
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| }
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| 
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| static inline struct reset_control *
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| of_reset_control_array_get(struct device_node *np, bool shared, bool optional,
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| 			   bool acquired)
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| {
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| 	return optional ? NULL : ERR_PTR(-ENOTSUPP);
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| }
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| 
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| static inline int reset_control_get_count(struct device *dev)
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| {
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| 	return -ENOENT;
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| }
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| 
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| #endif /* CONFIG_RESET_CONTROLLER */
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| 
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| static inline int __must_check device_reset(struct device *dev)
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| {
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| 	return __device_reset(dev, false);
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| }
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| 
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| static inline int device_reset_optional(struct device *dev)
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| {
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| 	return __device_reset(dev, true);
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| }
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| 
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| /**
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|  * reset_control_get_exclusive - Lookup and obtain an exclusive reference
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|  *                               to a reset controller.
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|  * @dev: device to be reset by the controller
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|  * @id: reset line name
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|  *
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|  * Returns a struct reset_control or IS_ERR() condition containing errno.
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|  * If this function is called more than once for the same reset_control it will
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|  * return -EBUSY.
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|  *
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|  * See reset_control_get_shared() for details on shared references to
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|  * reset-controls.
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|  *
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|  * Use of id names is optional.
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|  */
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| static inline struct reset_control *
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| __must_check reset_control_get_exclusive(struct device *dev, const char *id)
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| {
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| 	return __reset_control_get(dev, id, 0, false, false, true);
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| }
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| 
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| /**
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|  * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to
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|  *                                    multiple reset controllers.
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|  * @dev: device to be reset by the controller
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|  * @num_rstcs: number of entries in rstcs array
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|  * @rstcs: array of struct reset_control_bulk_data with reset line names set
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|  *
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|  * Fills the rstcs array with pointers to exclusive reset controls and
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|  * returns 0, or an IS_ERR() condition containing errno.
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|  */
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| static inline int __must_check
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| reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs,
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| 				 struct reset_control_bulk_data *rstcs)
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| {
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| 	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true);
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| }
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| 
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| /**
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|  * reset_control_get_exclusive_released - Lookup and obtain a temoprarily
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|  *                                        exclusive reference to a reset
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|  *                                        controller.
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|  * @dev: device to be reset by the controller
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|  * @id: reset line name
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|  *
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|  * Returns a struct reset_control or IS_ERR() condition containing errno.
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|  * reset-controls returned by this function must be acquired via
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|  * reset_control_acquire() before they can be used and should be released
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|  * via reset_control_release() afterwards.
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|  *
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|  * Use of id names is optional.
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|  */
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| static inline struct reset_control *
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| __must_check reset_control_get_exclusive_released(struct device *dev,
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| 						  const char *id)
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| {
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| 	return __reset_control_get(dev, id, 0, false, false, false);
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| }
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| 
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| /**
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|  * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily
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|  *                                    exclusive references to multiple reset
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|  *                                    controllers.
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|  * @dev: device to be reset by the controller
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|  * @num_rstcs: number of entries in rstcs array
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|  * @rstcs: array of struct reset_control_bulk_data with reset line names set
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|  *
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|  * Fills the rstcs array with pointers to exclusive reset controls and
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|  * returns 0, or an IS_ERR() condition containing errno.
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|  * reset-controls returned by this function must be acquired via
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|  * reset_control_bulk_acquire() before they can be used and should be released
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|  * via reset_control_bulk_release() afterwards.
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|  */
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| static inline int __must_check
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| reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs,
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| 					  struct reset_control_bulk_data *rstcs)
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| {
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| 	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false);
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| }
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| 
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| /**
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|  * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional
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|  *                                    temporarily exclusive references to multiple
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|  *                                    reset controllers.
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|  * @dev: device to be reset by the controller
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|  * @num_rstcs: number of entries in rstcs array
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|  * @rstcs: array of struct reset_control_bulk_data with reset line names set
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|  *
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|  * Optional variant of reset_control_bulk_get_exclusive_released(). If the
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|  * requested reset is not specified in the device tree, this function returns 0
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|  * instead of an error and missing rtsc is set to NULL.
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|  *
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|  * See reset_control_bulk_get_exclusive_released() for more information.
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|  */
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| static inline int __must_check
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| reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs,
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| 						   struct reset_control_bulk_data *rstcs)
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| {
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| 	return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false);
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| }
 | |
| 
 | |
| /**
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|  * reset_control_get_shared - Lookup and obtain a shared reference to a
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|  *                            reset controller.
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|  * @dev: device to be reset by the controller
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|  * @id: reset line name
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|  *
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|  * Returns a struct reset_control or IS_ERR() condition containing errno.
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|  * This function is intended for use with reset-controls which are shared
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|  * between hardware blocks.
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|  *
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|  * 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
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|  * and only (re-)assert the reset after reset_control_assert has been called
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|  * as many times as reset_control_deassert was called. Also see the remark
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|  * about shared reset-controls in the reset_control_assert docs.
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|  *
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|  * Calling reset_control_assert without first calling reset_control_deassert
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|  * is not allowed on a shared reset control. Calling reset_control_reset is
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|  * also not allowed on a shared reset control.
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|  *
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|  * Use of id names is optional.
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|  */
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| static inline struct reset_control *reset_control_get_shared(
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| 					struct device *dev, const char *id)
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| {
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| 	return __reset_control_get(dev, id, 0, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
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|  * reset_control_bulk_get_shared - Lookup and obtain shared references to
 | |
|  *                                 multiple reset controllers.
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|  * @dev: device to be reset by the controller
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|  * @num_rstcs: number of entries in rstcs array
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|  * @rstcs: array of struct reset_control_bulk_data with reset line names set
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|  *
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|  * Fills the rstcs array with pointers to shared reset controls and
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|  * returns 0, or an IS_ERR() condition containing errno.
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|  */
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| static inline int __must_check
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| reset_control_bulk_get_shared(struct device *dev, int num_rstcs,
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| 			      struct reset_control_bulk_data *rstcs)
 | |
| {
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| 	return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
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|  * reset_control_get_optional_exclusive - optional reset_control_get_exclusive()
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|  * @dev: device to be reset by the controller
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|  * @id: reset line name
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|  *
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|  * Optional variant of reset_control_get_exclusive(). If the requested reset
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|  * is not specified in the device tree, this function returns NULL instead of
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|  * an error.
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|  *
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|  * See reset_control_get_exclusive() for more information.
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|  */
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| static inline struct reset_control *reset_control_get_optional_exclusive(
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| 					struct device *dev, const char *id)
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| {
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| 	return __reset_control_get(dev, id, 0, false, true, true);
 | |
| }
 | |
| 
 | |
| /**
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|  * reset_control_bulk_get_optional_exclusive - optional
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|  *                                             reset_control_bulk_get_exclusive()
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|  * @dev: device to be reset by the controller
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|  * @num_rstcs: number of entries in rstcs array
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|  * @rstcs: array of struct reset_control_bulk_data with reset line names set
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|  *
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|  * Optional variant of reset_control_bulk_get_exclusive(). If any of the
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|  * requested resets are not specified in the device tree, this function sets
 | |
|  * them to NULL instead of returning an error.
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|  *
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|  * See reset_control_bulk_get_exclusive() for more information.
 | |
|  */
 | |
| static inline int __must_check
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| 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, false, true, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * reset_control_get_optional_shared - optional reset_control_get_shared()
 | |
|  * @dev: device to be reset by the controller
 | |
|  * @id: reset line name
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|  *
 | |
|  * 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, true, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, true, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, false, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, true, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, true, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, true, false);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, false, false, true);
 | |
| }
 | |
| 
 | |
| /**
 | |
|  * 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, true, false, false);
 | |
| }
 | |
| 
 | |
| /*
 | |
|  * 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, false, false);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| devm_reset_control_array_get_shared(struct device *dev)
 | |
| {
 | |
| 	return devm_reset_control_array_get(dev, true, false);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| devm_reset_control_array_get_optional_exclusive(struct device *dev)
 | |
| {
 | |
| 	return devm_reset_control_array_get(dev, false, true);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| devm_reset_control_array_get_optional_shared(struct device *dev)
 | |
| {
 | |
| 	return devm_reset_control_array_get(dev, true, true);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| of_reset_control_array_get_exclusive(struct device_node *node)
 | |
| {
 | |
| 	return of_reset_control_array_get(node, false, false, true);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| of_reset_control_array_get_exclusive_released(struct device_node *node)
 | |
| {
 | |
| 	return of_reset_control_array_get(node, false, false, false);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| of_reset_control_array_get_shared(struct device_node *node)
 | |
| {
 | |
| 	return of_reset_control_array_get(node, true, false, true);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| of_reset_control_array_get_optional_exclusive(struct device_node *node)
 | |
| {
 | |
| 	return of_reset_control_array_get(node, false, true, true);
 | |
| }
 | |
| 
 | |
| static inline struct reset_control *
 | |
| of_reset_control_array_get_optional_shared(struct device_node *node)
 | |
| {
 | |
| 	return of_reset_control_array_get(node, true, true, true);
 | |
| }
 | |
| #endif
 |