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path: root/drivers/net/phy/phy.c
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Diffstat (limited to 'drivers/net/phy/phy.c')
-rw-r--r--drivers/net/phy/phy.c52
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;