Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b3e820968ad47219f7d559117a30e85cf96b4e4e
Commit: b3e820968ad47219f7d559117a30e85cf96b4e4e
Parent: a97f1ed090fc01a5876a7caf2cbdf93470436201
Author: Jean Delvare <[EMAIL PROTECTED]>
AuthorDate: Tue May 1 23:26:32 2007 +0200
Committer: Jean Delvare <[EMAIL PROTECTED]>
CommitDate: Tue May 1 23:26:32 2007 +0200
i2c: Make i2c_del_driver a void function
Make i2c_del_driver a void function, like all other driver removal
functions. It always returned 0 even when errors occured, and nobody
ever actually checked the return value anyway. And we cannot fail
a module removal anyway.
Signed-off-by: Jean Delvare <[EMAIL PROTECTED]>
---
Documentation/i2c/writing-clients | 5 +----
drivers/i2c/i2c-core.c | 12 +++---------
drivers/macintosh/therm_windtunnel.c | 3 ++-
include/linux/i2c.h | 2 +-
4 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/Documentation/i2c/writing-clients
b/Documentation/i2c/writing-clients
index e62fbfa..f7e04ec 100644
--- a/Documentation/i2c/writing-clients
+++ b/Documentation/i2c/writing-clients
@@ -586,10 +586,7 @@ the driver module is usually enough.
void foo_cleanup(void)
{
if (foo_initialized == 1) {
- if ((res = i2c_del_driver(&foo_driver))) {
- printk("foo: Driver registration failed, module not removed.\n");
- return;
- }
+ i2c_del_driver(&foo_driver);
foo_initialized --;
}
}
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 0fd4acb..a58f89a 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -599,14 +599,12 @@ EXPORT_SYMBOL(i2c_register_driver);
* i2c_del_driver - unregister I2C driver
* @driver: the driver being unregistered
*/
-int i2c_del_driver(struct i2c_driver *driver)
+void i2c_del_driver(struct i2c_driver *driver)
{
struct list_head *item1, *item2, *_n;
struct i2c_client *client;
struct i2c_adapter *adap;
- int res = 0;
-
mutex_lock(&core_lists);
/* new-style driver? */
@@ -620,11 +618,10 @@ int i2c_del_driver(struct i2c_driver *driver)
list_for_each(item1,&adapters) {
adap = list_entry(item1, struct i2c_adapter, list);
if (driver->detach_adapter) {
- if ((res = driver->detach_adapter(adap))) {
+ if (driver->detach_adapter(adap)) {
dev_err(&adap->dev, "detach_adapter failed "
"for driver [%s]\n",
driver->driver.name);
- goto out_unlock;
}
} else {
list_for_each_safe(item2, _n, &adap->clients) {
@@ -634,12 +631,11 @@ int i2c_del_driver(struct i2c_driver *driver)
dev_dbg(&adap->dev, "detaching client [%s] "
"at 0x%02x\n", client->name,
client->addr);
- if ((res = driver->detach_client(client))) {
+ if (driver->detach_client(client)) {
dev_err(&adap->dev, "detach_client "
"failed for client [%s] at "
"0x%02x\n", client->name,
client->addr);
- goto out_unlock;
}
}
}
@@ -650,9 +646,7 @@ int i2c_del_driver(struct i2c_driver *driver)
list_del(&driver->list);
pr_debug("i2c-core: driver [%s] unregistered\n", driver->driver.name);
- out_unlock:
mutex_unlock(&core_lists);
- return 0;
}
EXPORT_SYMBOL(i2c_del_driver);
diff --git a/drivers/macintosh/therm_windtunnel.c
b/drivers/macintosh/therm_windtunnel.c
index 35233de..3d0354e 100644
--- a/drivers/macintosh/therm_windtunnel.c
+++ b/drivers/macintosh/therm_windtunnel.c
@@ -459,7 +459,8 @@ therm_of_probe( struct of_device *dev, const struct
of_device_id *match )
static int
therm_of_remove( struct of_device *dev )
{
- return i2c_del_driver( &g4fan_driver );
+ i2c_del_driver( &g4fan_driver );
+ return 0;
}
static struct of_device_id therm_of_match[] = {{
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 3af7111..3fe2ad3 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -371,7 +371,7 @@ extern int i2c_del_adapter(struct i2c_adapter *);
extern int i2c_add_numbered_adapter(struct i2c_adapter *);
extern int i2c_register_driver(struct module *, struct i2c_driver *);
-extern int i2c_del_driver(struct i2c_driver *);
+extern void i2c_del_driver(struct i2c_driver *);
static inline int i2c_add_driver(struct i2c_driver *driver)
{
-
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