lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

i2c: Change prototypes of refcounting functions

Browse Source 
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>
This commit is contained in:
Jean Delvare
2008-01-27 18:14:48 +01:00
committed by Jean Delvare
parent bdc511f438
commit e48d33193d
3 changed files with 26 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/i2c/i2c-core.c
View File

@@ -764,17 +764,33 @@ int i2c_detach_client(struct i2c_client *client)
}
EXPORT_SYMBOL(i2c_detach_client);
int i2c_use_client(struct i2c_client *client)
/**
* i2c_use_client - increments the reference count of the i2c client structure
* @client: the client being referenced
*
* Each live reference to a client should be refcounted. The driver model does
* that automatically as part of driver binding, so that most drivers don't
* need to do this explicitly: they hold a reference until they're unbound
* from the device.
*
* A pointer to the client with the incremented reference counter is returned.
*/
struct i2c_client *i2c_use_client(struct i2c_client *client)
{
get_device(&client->dev);
return 0;
return client;
}
EXPORT_SYMBOL(i2c_use_client);
int i2c_release_client(struct i2c_client *client)
/**
* i2c_release_client - release a use of the i2c client structure
* @client: the client being no longer referenced
*
* Must be called when a user of a client is finished with it.
*/
void i2c_release_client(struct i2c_client *client)
{
put_device(&client->dev);
return 0;
}
EXPORT_SYMBOL(i2c_release_client);