diff options
Diffstat (limited to 'drivers/net/dsa/mt7530.c')
| -rw-r--r-- | drivers/net/dsa/mt7530.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c index 2b7be091c056..3e61eb3c2b1e 100644 --- a/drivers/net/dsa/mt7530.c +++ b/drivers/net/dsa/mt7530.c @@ -3172,23 +3172,31 @@ static void mt753x_phylink_get_caps(struct dsa_switch *ds, int port, config->mac_capabilities = MAC_ASYM_PAUSE | MAC_SYM_PAUSE; + priv->info->mac_port_get_caps(ds, port, config); + /* The EN7528 GPHYs report EEE capability, but negotiating EEE with * common link partners (e.g. Realtek GbE NICs) results in an unstable * link with dropped frames. Leave the LPI capabilities empty so that * phylink disables EEE on these PHYs and refuses to enable it from * userspace. */ - if (priv->id != ID_EN7528) { + if (priv->id != ID_EN7528 && + config->mac_capabilities & (MAC_100FD | MAC_1000FD)) { u32 eeecr = mt7530_read(priv, MT753X_PMEEECR_P(port)); - config->lpi_capabilities = MAC_100FD | MAC_1000FD | MAC_2500FD; + /* LPI above 1 Gbps is not supported */ + config->lpi_capabilities = config->mac_capabilities & + (MAC_100FD | MAC_1000FD); + phy_interface_copy(config->lpi_interfaces, + config->supported_interfaces); + __clear_bit(PHY_INTERFACE_MODE_2500BASEX, + config->lpi_interfaces); + /* tx_lpi_timer should be in microseconds. The time units for * LPI threshold are unspecified. */ config->lpi_timer_default = FIELD_GET(LPI_THRESH_MASK, eeecr); } - - priv->info->mac_port_get_caps(ds, port, config); } static int mt753x_pcs_validate(struct phylink_pcs *pcs, |