2 files changed, 3 insertions, 7 deletions

diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index cdbbd9bdb7b4..981de21ab814 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -1426,13 +1426,7 @@ static void i2c_adapter_dev_release(struct device *dev)
         complete(&adap->dev_released);
 }
 
-/*
- * This function is only needed for mutex_lock_nested, so it is never
- * called unless locking correctness checking is enabled. Thus we
- * make it inline to avoid a compiler warning. That's what gcc ends up
- * doing anyway.
- */
-static inline unsigned int i2c_adapter_depth(struct i2c_adapter *adapter)
+unsigned int i2c_adapter_depth(struct i2c_adapter *adapter)
 {
         unsigned int depth = 0;
 
@@ -1441,6 +1435,7 @@ static inline unsigned int i2c_adapter_depth(struct i2c_adapter *adapter)
 
         return depth;
 }
+EXPORT_SYMBOL_GPL(i2c_adapter_depth);
 
 /*
  * Let users instantiate I2C devices through sysfs. This can be used when
diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 4a4099d3a4b9..6422eef428c4 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -698,6 +698,7 @@ extern void i2c_clients_command(struct i2c_adapter *adap,
 
 extern struct i2c_adapter *i2c_get_adapter(int nr);
 extern void i2c_put_adapter(struct i2c_adapter *adap);
+extern unsigned int i2c_adapter_depth(struct i2c_adapter *adapter);
 
 void i2c_parse_fw_timings(struct device *dev, struct i2c_timings *t, bool use_defaults);