i2c: Unexport i2c_of_match_device()

i2c_of_match_device() is not used anymore outside of I²C framework,
unexport it.

Signed-off-by: Andy Shevchenko <[e-mail]>
Reviewed-by: Vladimir Zapolskiy <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>

drivers/i2c/i2c-core-of.c

···
 
 	return i2c_of_match_device_sysfs(matches, client);
 }
-EXPORT_SYMBOL_GPL(i2c_of_match_device);
 
 #if IS_ENABLED(CONFIG_OF_DYNAMIC)
 static int of_i2c_notify(struct notifier_block *nb, unsigned long action,

drivers/i2c/i2c-core.h

···
 
 #ifdef CONFIG_OF
 void of_i2c_register_devices(struct i2c_adapter *adap);
+const struct of_device_id *i2c_of_match_device(const struct of_device_id *matches,
+					       struct i2c_client *client);
+
 #else
 static inline void of_i2c_register_devices(struct i2c_adapter *adap) { }
+static inline
+const struct of_device_id *i2c_of_match_device(const struct of_device_id *matches,
+					       struct i2c_client *client)
+{
+	return NULL;
+}
 #endif
 extern struct notifier_block i2c_of_notifier;
 

include/linux/i2c.h

···
 	return i2c_get_adapter_by_fwnode(of_fwnode_handle(node));
 }
 
-const struct of_device_id
-*i2c_of_match_device(const struct of_device_id *matches,
-		     struct i2c_client *client);
-
 int of_i2c_get_board_info(struct device *dev, struct device_node *node,
 			  struct i2c_board_info *info);
 
···
 }
 
 static inline struct i2c_adapter *of_get_i2c_adapter_by_node(struct device_node *node)
-{
-	return NULL;
-}
-
-static inline const struct of_device_id
-*i2c_of_match_device(const struct of_device_id *matches,
-		     struct i2c_client *client)
 {
 	return NULL;
 }