2 files changed, 22 insertions, 8 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 550853f79ae8..b346a687ab59 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -108,6 +108,9 @@ static int i2c_device_probe(struct device *dev)
         if (!driver->probe || !driver->id_table)
                 return -ENODEV;
         client->driver = driver;
+        if (!device_can_wakeup(&client->dev))
+                device_init_wakeup(&client->dev,
+                                        client->flags & I2C_CLIENT_WAKE);
         dev_dbg(dev, "probe\n");
 
         status = driver->probe(client, i2c_match_id(driver->id_table, client));
@@ -262,9 +265,8 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
         client->adapter = adap;
 
         client->dev.platform_data = info->platform_data;
-        device_init_wakeup(&client->dev, info->flags & I2C_CLIENT_WAKE);
 
-        client->flags = info->flags & ~I2C_CLIENT_WAKE;
+        client->flags = info->flags;
         client->addr = info->addr;
         client->irq = info->irq;
 
@@ -1188,8 +1190,8 @@ int i2c_probe(struct i2c_adapter *adapter,
                  && address_data->normal_i2c[0] == I2C_CLIENT_END)
                         return 0;
 
-                dev_warn(&adapter->dev, "SMBus Quick command not supported, "
-                         "can't probe for chips\n");
+                dev_dbg(&adapter->dev, "SMBus Quick command not supported, "
+                        "can't probe for chips\n");
                 return -EOPNOTSUPP;
         }
 
@@ -1350,6 +1352,10 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
                 }
         }
 
+        /* Stop here if the classes do not match */
+        if (!(adapter->class & driver->class))
+                goto exit_free;
+
         /* Stop here if we can't use SMBUS_QUICK */
         if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_QUICK)) {
                 if (address_data->probe[0] == I2C_CLIENT_END
@@ -1362,10 +1368,6 @@ static int i2c_detect(struct i2c_adapter *adapter, struct i2c_driver *driver)
                 goto exit_free;
         }
 
-        /* Stop here if the classes do not match */
-        if (!(adapter->class & driver->class))
-                goto exit_free;
-
         /* Probe entries are done second, and are not affected by ignore
            entries either */
         for (i = 0; address_data->probe[i] != I2C_CLIENT_END; i += 2) {
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 08be0d21864c..06115128047f 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -97,7 +97,19 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client * client,
 
 /**
  * struct i2c_driver - represent an I2C device driver
+ * @id: Unique driver ID (optional)
  * @class: What kind of i2c device we instantiate (for detect)
+ * @attach_adapter: Callback for bus addition (for legacy drivers)
+ * @detach_adapter: Callback for bus removal (for legacy drivers)
+ * @detach_client: Callback for device removal (for legacy drivers)
+ * @probe: Callback for device binding (new-style drivers)
+ * @remove: Callback for device unbinding (new-style drivers)
+ * @shutdown: Callback for device shutdown
+ * @suspend: Callback for device suspend
+ * @resume: Callback for device resume
+ * @command: Callback for bus-wide signaling (optional)
+ * @driver: Device driver model driver
+ * @id_table: List of I2C devices supported by this driver
  * @detect: Callback for device detection
  * @address_data: The I2C addresses to probe, ignore or force (for detect)
  * @clients: List of detected clients we created (for i2c-core use only)