diff options
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/chip.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c index bf385377a461..29190303ace0 100644 --- a/drivers/net/dsa/mv88e6xxx/chip.c +++ b/drivers/net/dsa/mv88e6xxx/chip.c @@ -2930,6 +2930,14 @@ static int mv88e6xxx_mdio_read(struct mii_bus *bus, int phy, int reg) err = chip->info->ops->phy_read(chip, bus, phy, reg, &val); mutex_unlock(&chip->reg_lock); + if (reg == MII_PHYSID2) { + /* Some internal PHYS don't have a model number. Use + * the mv88e6390 family model number instead. + */ + if (!(val & 0x3f0)) + val |= PORT_SWITCH_ID_PROD_NUM_6390; + } + return err ? err : val; } |