diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c
index cb545557dcd4e..151931b593f6e 100644
--- a/drivers/pinctrl/pinctrl-mcp23s08.c
+++ b/drivers/pinctrl/pinctrl-mcp23s08.c
@@ -658,3 +658,4 @@ int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
 	return ret;
 }
 EXPORT_SYMBOL_GPL(mcp23s08_probe_one);
+MODULE_LICENSE("GPL");