1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c
index af3933579790..250c8827b842 100644
--- a/drivers/net/sfc/selftest.c
+++ b/drivers/net/sfc/selftest.c
@@ -79,10 +79,14 @@ struct efx_loopback_state {
 static int efx_test_mdio(struct efx_nic *efx, struct efx_self_tests *tests)
 {
         int rc = 0;
-        int devad = __ffs(efx->mdio.mmds);
+        int devad;
         u16 physid1, physid2;
 
-        if (efx->phy_type == PHY_TYPE_NONE)
+        if (efx->mdio.mode_support & MDIO_SUPPORTS_C45)
+                devad = __ffs(efx->mdio.mmds);
+        else if (efx->mdio.mode_support & MDIO_SUPPORTS_C22)
+                devad = MDIO_DEVAD_NONE;
+        else
                 return 0;
 
         mutex_lock(&efx->mac_lock);