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i2c: Kill client_register and client_unregister methods

Browse source 
These methods were useful in the legacy binding model but no longer in
the new (standard) binding model. There are no users left so we can
drop them.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>
This commit is contained in:
Jean Delvare 2009-06-19 16:58:17 +02:00
parent 0732f87761
commit 352da9820e
3 changed files with 2 additions and 35 deletions
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3
Documentation/feature-removal-schedule.txt
View file

@ -368,8 +368,7 @@ Who: Krzysztof Piotr Oledzki <ole@ans.pl>
---------------------------
What: i2c_attach_client(), i2c_detach_client(), i2c_driver->detach_client(),
i2c_adapter->client_register(), i2c_adapter->client_unregister
What: i2c_attach_client(), i2c_detach_client(), i2c_driver->detach_client()
When: 2.6.30
Check: i2c_attach_client i2c_detach_client
Why: Deprecated by the new (standard) device driver binding model. Use

30
drivers/i2c/i2c-core.c
View file

@ -308,14 +308,6 @@ void i2c_unregister_device(struct i2c_client *client)
return;
}
if (adapter->client_unregister) {
if (adapter->client_unregister(client)) {
dev_warn(&client->dev,
"client_unregister [%s] failed\n",
client->name);
}
}
mutex_lock(&adapter->clist_lock);
list_del(&client->list);
mutex_unlock(&adapter->clist_lock);
@ -855,14 +847,6 @@ int i2c_attach_client(struct i2c_client *client)
dev_dbg(&adapter->dev, "client [%s] registered with bus id %s\n",
client->name, dev_name(&client->dev));
if (adapter->client_register) {
if (adapter->client_register(client)) {
dev_dbg(&adapter->dev, "client_register "
"failed for client [%s] at 0x%02x\n",
client->name, client->addr);
}
}
return 0;
out_err:
@ -875,17 +859,6 @@ EXPORT_SYMBOL(i2c_attach_client);
int i2c_detach_client(struct i2c_client *client)
{
struct i2c_adapter *adapter = client->adapter;
int res = 0;
if (adapter->client_unregister) {
res = adapter->client_unregister(client);
if (res) {
dev_err(&client->dev,
"client_unregister [%s] failed, "
"client not detached\n", client->name);
goto out;
}
}
mutex_lock(&adapter->clist_lock);
list_del(&client->list);
@ -895,8 +868,7 @@ int i2c_detach_client(struct i2c_client *client)
device_unregister(&client->dev);
wait_for_completion(&client->released);
out:
return res;
return 0;
}
EXPORT_SYMBOL(i2c_detach_client);

4
include/linux/i2c.h
View file

@ -352,10 +352,6 @@ struct i2c_adapter {
const struct i2c_algorithm *algo; /* the algorithm to access the bus */
void *algo_data;
/* --- administration stuff. */
int (*client_register)(struct i2c_client *) __deprecated;
int (*client_unregister)(struct i2c_client *) __deprecated;
/* data fields that are valid for all devices */
u8 level; /* nesting level for lockdep */
struct mutex bus_lock;