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>

1 files changed, 1 insertions, 31 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 06c428b5822e..95fb997b41e0 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,