diff --git a/drivers/net/phy/sfp.c b/drivers/net/phy/sfp.c
index 5347c95..4cd1d6c 100644
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -492,6 +492,9 @@ static const struct sfp_quirk sfp_quirks[] = {
 	SFP_QUIRK("ALCATELLUCENT", "3FE46541AA", sfp_quirk_2500basex,
 		  sfp_fixup_nokia),
 
+	// FLYPRO SFP-10GT-CS-30M uses Rollball protocol to talk to the PHY.
+	SFP_QUIRK_F("FLYPRO", "SFP-10GT-CS-30M", sfp_fixup_rollball),
+
 	// Fiberstore SFP-10G-T doesn't identify as copper, uses the Rollball
 	// protocol to talk to the PHY and needs 4 sec wait before probing the
 	// PHY.