i2c: Kill is_newstyle_driver

Legacy i2c drivers are gone, all drivers are new-style now, so there
is no point to check.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: David Brownell <dbrownell@users.sourceforge.net>

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 06c428b5822e85a42b6998adb84b7c56ffb78d91..95fb997b41e01a4c3a7639abbdbe57b90ed520fb 100644 (file)
--- 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 db25a870843af7c8fdac178ed2613c29154708f7..28b27282496fa447498f6d30d30cf85977156f62 100644 (file)
--- 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)