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i2c: Warn on deprecated binding model use 

Let the kernel developers know that i2c_attach_client() and
i2c_detach_client() are deprecated and should no longer be used.
Drivers using these should be converted to the standard device
driver binding model (probe and remove methods.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Acked-by: Ben Dooks <ben-linux@fluff.org>
This commit is contained in:
Jean Delvare 2009-01-26 21:19:57 +01:00
parent dd7f8dbe2b
commit 5fb4523afb
1 changed files with 5 additions and 3 deletions
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8
include/linux/i2c.h
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@ -151,7 +151,7 @@ struct i2c_driver {
* has been dynamically allocated by the driver in the function above, * has been dynamically allocated by the driver in the function above,
* it must be freed here. (LEGACY I2C DRIVERS ONLY) * it must be freed here. (LEGACY I2C DRIVERS ONLY)
*/ */
int (*detach_client)(struct i2c_client *); int (*detach_client)(struct i2c_client *) __deprecated;
/* Standard driver model interfaces, for "new style" i2c drivers. /* Standard driver model interfaces, for "new style" i2c drivers.
* With the driver model, device enumeration is NEVER done by drivers; * With the driver model, device enumeration is NEVER done by drivers;
@ -429,8 +429,10 @@ static inline int i2c_add_driver(struct i2c_driver *driver)
return i2c_register_driver(THIS_MODULE, driver); return i2c_register_driver(THIS_MODULE, driver);
} }
extern int i2c_attach_client(struct i2c_client *); /* These are deprecated, your driver should use the standard .probe()
extern int i2c_detach_client(struct i2c_client *); * and .remove() methods instead. */
extern int __deprecated i2c_attach_client(struct i2c_client *);
extern int __deprecated i2c_detach_client(struct i2c_client *);
extern struct i2c_client *i2c_use_client(struct i2c_client *client); extern struct i2c_client *i2c_use_client(struct i2c_client *client);
extern void i2c_release_client(struct i2c_client *client); extern void i2c_release_client(struct i2c_client *client);