diff options
Diffstat (limited to 'drivers/net/phy/phy_device.c')
| -rw-r--r-- | drivers/net/phy/phy_device.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index c1f81c4d0bb3..29ef4456ac25 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -774,6 +774,19 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, if (!(devs_in_pkg & (1 << i))) continue; + if (i == MDIO_MMD_VEND1 || i == MDIO_MMD_VEND2) { + /* Probe the "Device Present" bits for the vendor MMDs + * to ignore these if they do not contain IEEE 802.3 + * registers. + */ + ret = phy_c45_probe_present(bus, addr, i); + if (ret < 0) + return ret; + + if (!ret) + continue; + } + phy_reg = mdiobus_c45_read(bus, addr, i, MII_PHYSID1); if (phy_reg < 0) return -EIO; |