aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/i2c/i2c-core.c32
-rw-r--r--include/linux/i2c.h2
2 files changed, 1 insertions, 33 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 06c428b..95fb997 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -41,8 +41,6 @@
static DEFINE_MUTEX(core_lock);
static DEFINE_IDR(i2c_adapter_idr);
-#define is_newstyle_driver(d) ((d)->probe || (d)->remove || (d)->detect)
-
static int i2c_check_addr(struct i2c_adapter *adapter, int addr);
static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver);
@@ -64,12 +62,6 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv)
struct i2c_client *client = to_i2c_client(dev);
struct i2c_driver *driver = to_i2c_driver(drv);
- /* make legacy i2c drivers bypass driver model probing entirely;
- * such drivers scan each i2c adapter/bus themselves.
- */
- if (!is_newstyle_driver(driver))
- return 0;
-
/* match on an id table if there is one */
if (driver->id_table)
return i2c_match_id(driver->id_table, client) != NULL;
@@ -172,12 +164,6 @@ static int i2c_device_resume(struct device *dev)
return driver->resume(to_i2c_client(dev));
}
-static void i2c_client_release(struct device *dev)
-{
- struct i2c_client *client = to_i2c_client(dev);
- complete(&client->released);
-}
-
static void i2c_client_dev_release(struct device *dev)
{
kfree(to_i2c_client(dev));
@@ -282,12 +268,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
client->dev.parent = &client->adapter->dev;
client->dev.bus = &i2c_bus_type;
-
- if (client->driver && !is_newstyle_driver(client->driver)) {
- client->dev.release = i2c_client_release;
- dev_set_uevent_suppress(&client->dev, 1);
- } else
- client->dev.release = i2c_client_dev_release;
+ client->dev.release = i2c_client_dev_release;
dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
client->addr);
@@ -321,14 +302,6 @@ EXPORT_SYMBOL_GPL(i2c_new_device);
void i2c_unregister_device(struct i2c_client *client)
{
struct i2c_adapter *adapter = client->adapter;
- struct i2c_driver *driver = client->driver;
-
- if (driver && !is_newstyle_driver(driver)) {
- dev_err(&client->dev, "can't unregister devices "
- "with legacy drivers\n");
- WARN_ON(1);
- return;
- }
mutex_lock(&adapter->clist_lock);
list_del(&client->list);
@@ -736,9 +709,6 @@ static int __detach_adapter(struct device *dev, void *data)
i2c_unregister_device(client);
}
- if (is_newstyle_driver(driver))
- return 0;
-
if (driver->detach_adapter) {
if (driver->detach_adapter(adapter))
dev_err(&adapter->dev,
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index db25a87..28b2728 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -180,7 +180,6 @@ struct i2c_driver {
* @irq: indicates the IRQ generated by this device (if any)
* @list: list of active/busy clients (DEPRECATED)
* @detected: member of an i2c_driver.clients list
- * @released: used to synchronize client releases & detaches and references
*
* An i2c_client identifies a single device (i.e. chip) connected to an
* i2c bus. The behaviour exposed to Linux is defined by the driver
@@ -198,7 +197,6 @@ struct i2c_client {
int irq; /* irq issued by device */
struct list_head list; /* DEPRECATED */
struct list_head detected;
- struct completion released;
};
#define to_i2c_client(d) container_of(d, struct i2c_client, dev)