1 files changed, 2 insertions, 2 deletions

diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f4345582a6b9..6ebd8fbd9285 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -41,8 +41,8 @@ void dsa_slave_mii_bus_init(struct dsa_switch *ds)
         ds->slave_mii_bus->name = "dsa slave smi";
         ds->slave_mii_bus->read = dsa_slave_phy_read;
         ds->slave_mii_bus->write = dsa_slave_phy_write;
-        snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "%s:%.2x",
-                        ds->master_mii_bus->id, ds->pd->sw_addr);
+        snprintf(ds->slave_mii_bus->id, MII_BUS_ID_SIZE, "dsa-%d:%.2x",
+                        ds->index, ds->pd->sw_addr);
         ds->slave_mii_bus->parent = &ds->master_mii_bus->dev;
 }