diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index d7c730179a7f..b18405626aa5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1375,9 +1375,21 @@ static int stmmac_phylink_setup(struct stmmac_priv *priv) pcs->supported_interfaces); if (priv->dma_cap.eee) { - /* Assume all supported interfaces also support LPI */ - memcpy(config->lpi_interfaces, config->supported_interfaces, - sizeof(config->lpi_interfaces)); + /* The GMAC 3.74a databook states that EEE is only supported + * in MII, GMII, and RGMII interfaces. + */ + __set_bit(PHY_INTERFACE_MODE_MII, config->lpi_interfaces); + __set_bit(PHY_INTERFACE_MODE_GMII, config->lpi_interfaces); + phy_interface_set_rgmii(config->lpi_interfaces); + + /* If we have a non-integrated PCS, assume that it is connected + * to the GMAC using GMII or another EEE compatible interface, + * and thus all PCS-supported interfaces support LPI. + */ + if (pcs) + phy_interface_or(config->lpi_interfaces, + config->lpi_interfaces, + pcs->supported_interfaces); /* All full duplex speeds above 100Mbps are supported */ config->lpi_capabilities = ~(MAC_1000FD - 1) | MAC_100FD; |