diff --git a/drivers/allwinner/axp/common.c b/drivers/allwinner/axp/common.c
index 143fb0f..f1250b0 100644
--- a/drivers/allwinner/axp/common.c
+++ b/drivers/allwinner/axp/common.c
@@ -48,6 +48,7 @@
 	axp_setbits(0x32, BIT(7));
 }
 
+#if SUNXI_SETUP_REGULATORS == 1
 /*
  * Retrieve the voltage from a given regulator DTB node.
  * Both the regulator-{min,max}-microvolt properties must be present and
@@ -208,3 +209,4 @@
 			axp_setbits(0x11, BIT(7));
 	}
 }
+#endif	/* SUNXI_SETUP_REGULATORS */