diff --git a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
index 81da77161730996f99d07e4b5874e3c6773867e9..017cbbd16a0721aa0d0cef2e4ccfcac74da378a3 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
@@ -4346,6 +4346,8 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev)
 		rt2800_rfcsr_write(rt2x00dev, 3, rfcsr);
 		break;
 	default:
+		WARN_ONCE(1, "Not supported RF chipet %x for VCO recalibration",
+			  rt2x00dev->chip.rf);
 		return;
 	}