Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 7167
b: refs/heads/master
c: b6d7b3d
h: refs/heads/master
i:
  7165: e6d502f
  7163: b7b5bd4
  7159: 316427b
  7151: 2275788
  7135: 72ebd88
  7103: b31ab85
  7039: ab37f6a
  6911: ff99ccf
  6655: 62d18c7
  6143: 9167c97
v: v3
  • Loading branch information
Jean Delvare authored and Greg Kroah-Hartman committed Sep 5, 2005
1 parent 0451565 commit 4561ccd
Show file tree
Hide file tree
Showing 3 changed files with 30 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 014e45380a3b96f2ebd8ff0d115b7a33c06d06d1
refs/heads/master: b6d7b3d1b5a388b7e9af2629a9ecccedee064078
63 changes: 26 additions & 37 deletions trunk/drivers/i2c/i2c-core.c
Original file line number Diff line number Diff line change
Expand Up @@ -188,6 +188,8 @@ int i2c_add_adapter(struct i2c_adapter *adap)
strlcpy(adap->class_dev.class_id, adap->dev.bus_id, BUS_ID_SIZE);
class_device_register(&adap->class_dev);

dev_dbg(&adap->dev, "adapter [%s] registered\n", adap->name);

/* inform drivers of new adapters */
list_for_each(item,&drivers) {
driver = list_entry(item, struct i2c_driver, list);
Expand All @@ -196,8 +198,6 @@ int i2c_add_adapter(struct i2c_adapter *adap)
driver->attach_adapter(adap);
}

dev_dbg(&adap->dev, "registered as adapter #%d\n", adap->nr);

out_unlock:
up(&core_lists);
return res;
Expand All @@ -220,8 +220,8 @@ int i2c_del_adapter(struct i2c_adapter *adap)
break;
}
if (adap_from_list != adap) {
pr_debug("I2C: Attempting to delete an unregistered "
"adapter\n");
pr_debug("i2c-core: attempting to delete unregistered "
"adapter [%s]\n", adap->name);
res = -EINVAL;
goto out_unlock;
}
Expand All @@ -230,9 +230,8 @@ int i2c_del_adapter(struct i2c_adapter *adap)
driver = list_entry(item, struct i2c_driver, list);
if (driver->detach_adapter)
if ((res = driver->detach_adapter(adap))) {
dev_warn(&adap->dev, "can't detach adapter "
"while detaching driver %s: driver "
"not detached!\n", driver->name);
dev_err(&adap->dev, "detach_adapter failed "
"for driver [%s]\n", driver->name);
goto out_unlock;
}
}
Expand All @@ -247,9 +246,8 @@ int i2c_del_adapter(struct i2c_adapter *adap)
* must be deleted, as this would cause invalid states.
*/
if ((res=client->driver->detach_client(client))) {
dev_err(&adap->dev, "adapter not "
"unregistered, because client at "
"address %02x can't be detached. ",
dev_err(&adap->dev, "detach_client failed for client "
"[%s] at address 0x%02x\n", client->name,
client->addr);
goto out_unlock;
}
Expand All @@ -270,7 +268,7 @@ int i2c_del_adapter(struct i2c_adapter *adap)
/* free dynamically allocated bus id */
idr_remove(&i2c_adapter_idr, adap->nr);

dev_dbg(&adap->dev, "adapter unregistered\n");
dev_dbg(&adap->dev, "adapter [%s] unregistered\n", adap->name);

out_unlock:
up(&core_lists);
Expand Down Expand Up @@ -303,7 +301,7 @@ int i2c_add_driver(struct i2c_driver *driver)
goto out_unlock;

list_add_tail(&driver->list,&drivers);
pr_debug("i2c-core: driver %s registered.\n", driver->name);
pr_debug("i2c-core: driver [%s] registered\n", driver->name);

/* now look for instances of driver on our adapters */
if (driver->flags & I2C_DF_NOTIFY) {
Expand Down Expand Up @@ -331,38 +329,31 @@ int i2c_del_driver(struct i2c_driver *driver)
/* Have a look at each adapter, if clients of this driver are still
* attached. If so, detach them to be able to kill the driver
* afterwards.
*/
pr_debug("i2c-core: unregister_driver - looking for clients.\n");
/* removing clients does not depend on the notify flag, else
*
* Removing clients does not depend on the notify flag, else
* invalid operation might (will!) result, when using stale client
* pointers.
*/
list_for_each(item1,&adapters) {
adap = list_entry(item1, struct i2c_adapter, list);
dev_dbg(&adap->dev, "examining adapter\n");
if (driver->detach_adapter) {
if ((res = driver->detach_adapter(adap))) {
dev_warn(&adap->dev, "while unregistering "
"dummy driver %s, adapter could "
"not be detached properly; driver "
"not unloaded!",driver->name);
dev_err(&adap->dev, "detach_adapter failed "
"for driver [%s]\n", driver->name);
goto out_unlock;
}
} else {
list_for_each_safe(item2, _n, &adap->clients) {
client = list_entry(item2, struct i2c_client, list);
if (client->driver != driver)
continue;
pr_debug("i2c-core.o: detaching client %s:\n", client->name);
dev_dbg(&adap->dev, "detaching client [%s] "
"at 0x%02x\n", client->name,
client->addr);
if ((res = driver->detach_client(client))) {
dev_err(&adap->dev, "while "
"unregistering driver "
"`%s', the client at "
"address %02x of "
"adapter could not "
"be detached; driver "
"not unloaded!",
driver->name,
dev_err(&adap->dev, "detach_client "
"failed for client [%s] at "
"0x%02x\n", client->name,
client->addr);
goto out_unlock;
}
Expand All @@ -372,7 +363,7 @@ int i2c_del_driver(struct i2c_driver *driver)

driver_unregister(&driver->driver);
list_del(&driver->list);
pr_debug("i2c-core: driver unregistered: %s\n", driver->name);
pr_debug("i2c-core: driver [%s] unregistered\n", driver->name);

out_unlock:
up(&core_lists);
Expand Down Expand Up @@ -417,15 +408,12 @@ int i2c_attach_client(struct i2c_client *client)

if (adapter->client_register) {
if (adapter->client_register(client)) {
dev_warn(&adapter->dev, "warning: client_register "
"seems to have failed for client %02x\n",
client->addr);
dev_dbg(&adapter->dev, "client_register "
"failed for client [%s] at 0x%02x\n",
client->name, client->addr);
}
}

dev_dbg(&adapter->dev, "client [%s] registered to adapter\n",
client->name);

if (client->flags & I2C_CLIENT_ALLOW_USE)
client->usage_count = 0;

Expand All @@ -436,7 +424,8 @@ int i2c_attach_client(struct i2c_client *client)

snprintf(&client->dev.bus_id[0], sizeof(client->dev.bus_id),
"%d-%04x", i2c_adapter_id(adapter), client->addr);
pr_debug("registering %s\n", client->dev.bus_id);
dev_dbg(&adapter->dev, "client [%s] registered with bus id %s\n",
client->name, client->dev.bus_id);
device_register(&client->dev);
device_create_file(&client->dev, &dev_attr_client_name);

Expand Down
5 changes: 3 additions & 2 deletions trunk/drivers/i2c/i2c-dev.c
Original file line number Diff line number Diff line change
Expand Up @@ -434,7 +434,8 @@ static int i2cdev_attach_adapter(struct i2c_adapter *adap)

devfs_mk_cdev(MKDEV(I2C_MAJOR, i2c_dev->minor),
S_IFCHR|S_IRUSR|S_IWUSR, "i2c/%d", i2c_dev->minor);
dev_dbg(&adap->dev, "Registered as minor %d\n", i2c_dev->minor);
pr_debug("i2c-dev: adapter [%s] registered as minor %d\n",
adap->name, i2c_dev->minor);

/* register this i2c device with the driver core */
i2c_dev->adap = adap;
Expand Down Expand Up @@ -471,7 +472,7 @@ static int i2cdev_detach_adapter(struct i2c_adapter *adap)
wait_for_completion(&i2c_dev->released);
kfree(i2c_dev);

dev_dbg(&adap->dev, "Adapter unregistered\n");
pr_debug("i2c-dev: adapter [%s] unregistered\n", adap->name);
return 0;
}

Expand Down

0 comments on commit 4561ccd

Please sign in to comment.