[PATCH net-next v4 3/7] net: phy: genphy_c45_pma_baset1_setup_master_slave: do no set unknown configuration

[Oleksij Rempel]

Do not change default master/slave forced configuration if no changes was
requested.

Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
Reviewed-by: Andrew Lunn <andrew@xxxxxxx>
---
 drivers/net/phy/phy-c45.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/phy/phy-c45.c b/drivers/net/phy/phy-c45.c
index ffa2d5cd09fc..b1f7c63f66cd 100644
--- a/drivers/net/phy/phy-c45.c
+++ b/drivers/net/phy/phy-c45.c
@@ -86,9 +86,10 @@ int genphy_c45_pma_baset1_setup_master_slave(struct phy_device *phydev)
 		break;
 	case MASTER_SLAVE_CFG_SLAVE_FORCE:
 	case MASTER_SLAVE_CFG_SLAVE_PREFERRED:
+		break;
 	case MASTER_SLAVE_CFG_UNKNOWN:
 	case MASTER_SLAVE_CFG_UNSUPPORTED:
-		break;
+		return 0;
 	default:
 		phydev_warn(phydev, "Unsupported Master/Slave mode\n");
 		return -EOPNOTSUPP;
-- 
2.30.2