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Commit d68222d4 authored by Wolfram Sang's avatar Wolfram Sang
Browse files

i2c: headers: always have a named variable in arguments 



Much better to read and understand. Naming for i2c_adapter is not
consistent (yet), so use the name which is also used in core code.

Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent e1714daa

include/linux/i2c.h

+20 −19
Original line number Diff line number Diff line
@@ -40,7 +40,8 @@ struct i2c_device_identity; 
union i2c_smbus_data;

struct i2c_board_info;

enum i2c_slave_event;

typedef int (*i2c_slave_cb_t)(struct i2c_client *, enum i2c_slave_event, u8 *);

typedef int (*i2c_slave_cb_t)(struct i2c_client *client,

			      enum i2c_slave_event event, u8 *val);



struct module;

struct property_entry;
@@ -257,16 +258,16 @@ struct i2c_driver { 
	unsigned int class;



	/* Standard driver model interfaces */

	int (*probe)(struct i2c_client *, const struct i2c_device_id *);

	int (*remove)(struct i2c_client *);

	int (*probe)(struct i2c_client *client, const struct i2c_device_id *id);

	int (*remove)(struct i2c_client *client);



	/* New driver model interface to aid the seamless removal of the

	 * current probe()'s, more commonly unused than used second parameter.

	 */

	int (*probe_new)(struct i2c_client *);

	int (*probe_new)(struct i2c_client *client);



	/* driver model interfaces that don't relate to enumeration  */

	void (*shutdown)(struct i2c_client *);

	void (*shutdown)(struct i2c_client *client);



	/* Alert callback, for example for the SMBus alert protocol.

	 * The format and meaning of the data value depends on the protocol.
@@ -275,7 +276,7 @@ struct i2c_driver { 
	 * For the SMBus Host Notify protocol, the data corresponds to the

	 * 16-bit payload data reported by the slave device acting as master.

	 */

	void (*alert)(struct i2c_client *, enum i2c_alert_protocol protocol,

	void (*alert)(struct i2c_client *client, enum i2c_alert_protocol protocol,

		      unsigned int data);



	/* a ioctl like command that can be used to perform specific functions
@@ -287,7 +288,7 @@ struct i2c_driver { 
	const struct i2c_device_id *id_table;



	/* Device detection callback for automatic device creation */

	int (*detect)(struct i2c_client *, struct i2c_board_info *);

	int (*detect)(struct i2c_client *client, struct i2c_board_info *info);

	const unsigned short *address_list;

	struct list_head clients;
@@ -447,10 +448,10 @@ extern struct i2c_client * 
i2c_new_probed_device(struct i2c_adapter *adap,

		      struct i2c_board_info *info,

		      unsigned short const *addr_list,

		      int (*probe)(struct i2c_adapter *, unsigned short addr));

		      int (*probe)(struct i2c_adapter *adap, unsigned short addr));



/* Common custom probe functions */

extern int i2c_probe_func_quick_read(struct i2c_adapter *, unsigned short addr);

extern int i2c_probe_func_quick_read(struct i2c_adapter *adap, unsigned short addr);



/* For devices that use several addresses, use i2c_new_dummy() to make

 * client handles for the extra addresses.
@@ -466,7 +467,7 @@ i2c_new_secondary_device(struct i2c_client *client, 
				const char *name,

				u16 default_addr);



extern void i2c_unregister_device(struct i2c_client *);

extern void i2c_unregister_device(struct i2c_client *client);

#endif /* I2C */



/* Mainboard arch_initcall() code should register all its I2C devices.
@@ -551,9 +552,9 @@ struct i2c_algorithm { 
 * The main operations are wrapped by i2c_lock_bus and i2c_unlock_bus.

 */

struct i2c_lock_operations {

	void (*lock_bus)(struct i2c_adapter *, unsigned int flags);

	int (*trylock_bus)(struct i2c_adapter *, unsigned int flags);

	void (*unlock_bus)(struct i2c_adapter *, unsigned int flags);

	void (*lock_bus)(struct i2c_adapter *adapter, unsigned int flags);

	int (*trylock_bus)(struct i2c_adapter *adapter, unsigned int flags);

	void (*unlock_bus)(struct i2c_adapter *adapter, unsigned int flags);

};



/**
@@ -726,7 +727,7 @@ i2c_parent_is_i2c_adapter(const struct i2c_adapter *adapter) 
		return NULL;

}



int i2c_for_each_dev(void *data, int (*fn)(struct device *, void *));

int i2c_for_each_dev(void *data, int (*fn)(struct device *dev, void *data));



/* Adapter locking functions, exported for shared pin cases */

#define I2C_LOCK_ROOT_ADAPTER BIT(0)
@@ -832,12 +833,12 @@ static inline void i2c_mark_adapter_resumed(struct i2c_adapter *adap) 
/* administration...

 */

#if IS_ENABLED(CONFIG_I2C)

extern int i2c_add_adapter(struct i2c_adapter *);

extern void i2c_del_adapter(struct i2c_adapter *);

extern int i2c_add_numbered_adapter(struct i2c_adapter *);

extern int i2c_add_adapter(struct i2c_adapter *adap);

extern void i2c_del_adapter(struct i2c_adapter *adap);

extern int i2c_add_numbered_adapter(struct i2c_adapter *adap);



extern int i2c_register_driver(struct module *, struct i2c_driver *);

extern void i2c_del_driver(struct i2c_driver *);

extern int i2c_register_driver(struct module *owner, struct i2c_driver *driver);

extern void i2c_del_driver(struct i2c_driver *driver);



/* use a define to avoid include chaining to get THIS_MODULE */

#define i2c_add_driver(driver) \