i2c: Change prototypes of refcounting functions
Use more standard prototypes for i2c_use_client() and
i2c_release_client(). The former now returns a pointer to the client,
and the latter no longer returns anything. This matches what all other
subsystems do.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <david-b@pacbell.net>
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index f7cd2f3..78a305b 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -386,11 +386,8 @@
extern int i2c_attach_client(struct i2c_client *);
extern int i2c_detach_client(struct i2c_client *);
-/* Should be used to make sure that client-struct is valid and that it
- is okay to access the i2c-client.
- returns -ENODEV if client has gone in the meantime */
-extern int i2c_use_client(struct i2c_client *);
-extern int i2c_release_client(struct i2c_client *);
+extern struct i2c_client *i2c_use_client(struct i2c_client *client);
+extern void i2c_release_client(struct i2c_client *client);
/* call the i2c_client->command() of all attached clients with
* the given arguments */