diff options
Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r-- | drivers/net/phy/phy.c | 52 |
1 files changed, 31 insertions, 21 deletions
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 4f3e742907cb..0d20b534122b 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -990,14 +990,14 @@ static int phy_check_link_status(struct phy_device *phydev) phydev->state = PHY_RUNNING; err = genphy_c45_eee_is_active(phydev, NULL, NULL, NULL); - if (err <= 0) - phydev->enable_tx_lpi = false; - else - phydev->enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled; + phydev->eee_active = err > 0; + phydev->enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled && + phydev->eee_active; phy_link_up(phydev); } else if (!phydev->link && phydev->state != PHY_NOLINK) { phydev->state = PHY_NOLINK; + phydev->eee_active = false; phydev->enable_tx_lpi = false; phy_link_down(phydev); } @@ -1672,7 +1672,7 @@ EXPORT_SYMBOL(phy_ethtool_get_eee); * phy_ethtool_set_eee_noneg - Adjusts MAC LPI configuration without PHY * renegotiation * @phydev: pointer to the target PHY device structure - * @data: pointer to the ethtool_keee structure containing the new EEE settings + * @old_cfg: pointer to the eee_config structure containing the old EEE settings * * This function updates the Energy Efficient Ethernet (EEE) configuration * for cases where only the MAC's Low Power Idle (LPI) configuration changes, @@ -1683,18 +1683,23 @@ EXPORT_SYMBOL(phy_ethtool_get_eee); * configuration. */ static void phy_ethtool_set_eee_noneg(struct phy_device *phydev, - struct ethtool_keee *data) + const struct eee_config *old_cfg) { - if (phydev->eee_cfg.tx_lpi_enabled != data->tx_lpi_enabled || - phydev->eee_cfg.tx_lpi_timer != data->tx_lpi_timer) { - eee_to_eeecfg(&phydev->eee_cfg, data); - phydev->enable_tx_lpi = eeecfg_mac_can_tx_lpi(&phydev->eee_cfg); - if (phydev->link) { - phydev->link = false; - phy_link_down(phydev); - phydev->link = true; - phy_link_up(phydev); - } + bool enable_tx_lpi; + + if (!phydev->link) + return; + + enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled && phydev->eee_active; + + if (phydev->enable_tx_lpi != enable_tx_lpi || + phydev->eee_cfg.tx_lpi_timer != old_cfg->tx_lpi_timer) { + phydev->enable_tx_lpi = false; + phydev->link = false; + phy_link_down(phydev); + phydev->enable_tx_lpi = enable_tx_lpi; + phydev->link = true; + phy_link_up(phydev); } } @@ -1707,18 +1712,23 @@ static void phy_ethtool_set_eee_noneg(struct phy_device *phydev, */ int phy_ethtool_set_eee(struct phy_device *phydev, struct ethtool_keee *data) { + struct eee_config old_cfg; int ret; if (!phydev->drv) return -EIO; mutex_lock(&phydev->lock); + + old_cfg = phydev->eee_cfg; + eee_to_eeecfg(&phydev->eee_cfg, data); + ret = genphy_c45_ethtool_set_eee(phydev, data); - if (ret >= 0) { - if (ret == 0) - phy_ethtool_set_eee_noneg(phydev, data); - eee_to_eeecfg(&phydev->eee_cfg, data); - } + if (ret == 0) + phy_ethtool_set_eee_noneg(phydev, &old_cfg); + else if (ret < 0) + phydev->eee_cfg = old_cfg; + mutex_unlock(&phydev->lock); return ret < 0 ? ret : 0; |