net: phy: remove genphy_c45_eee_is_active()'s is_enabled arg

All callers to genphy_c45_eee_is_active() now pass NULL as the
is_enabled argument, which means we never use the value computed
in this function. Remove the argument and clean up this function.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://patch.msgid.link/E1tJ9JC-006LIt-Ne@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/phy/phy-c45.c

@@ -1469,18 +1469,17 @@ EXPORT_SYMBOL_GPL(genphy_c45_plca_get_status);
  * @phydev: target phy_device struct
  * @adv: variable to store advertised linkmodes
  * @lp: variable to store LP advertised linkmodes
- * @is_enabled: variable to store EEE enabled/disabled configuration value
  *
  * Description: this function will read local and link partner PHY
  * advertisements. Compare them return current EEE state.
  */
 int genphy_c45_eee_is_active(struct phy_device *phydev, unsigned long *adv,
-			     unsigned long *lp, bool *is_enabled)
+			     unsigned long *lp)
 {
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp_adv) = {};
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(tmp_lp) = {};
 	__ETHTOOL_DECLARE_LINK_MODE_MASK(common);
-	bool eee_enabled, eee_active;
+	bool eee_active;
 	int ret;
 
 	ret = genphy_c45_read_eee_adv(phydev, tmp_adv);
@@ -1491,9 +1490,8 @@ int genphy_c45_eee_is_active(struct phy_device *phydev, unsigned long *adv,
 	if (ret)
 		return ret;
 
-	eee_enabled = !linkmode_empty(tmp_adv);
 	linkmode_and(common, tmp_adv, tmp_lp);
-	if (eee_enabled && !linkmode_empty(common))
+	if (!linkmode_empty(tmp_adv) && !linkmode_empty(common))
 		eee_active = phy_check_valid(phydev->speed, phydev->duplex,
 					     common);
 	else
@@ -1503,8 +1501,6 @@ int genphy_c45_eee_is_active(struct phy_device *phydev, unsigned long *adv,
 		linkmode_copy(adv, tmp_adv);
 	if (lp)
 		linkmode_copy(lp, tmp_lp);
-	if (is_enabled)
-		*is_enabled = eee_enabled;
 
 	return eee_active;
 }
@@ -1524,7 +1520,7 @@ int genphy_c45_ethtool_get_eee(struct phy_device *phydev,
 	int ret;
 
 	ret = genphy_c45_eee_is_active(phydev, data->advertised,
-				       data->lp_advertised, NULL);
+				       data->lp_advertised);
 	if (ret < 0)
 		return ret;
 

drivers/net/phy/phy.c

@@ -988,8 +988,7 @@ static int phy_check_link_status(struct phy_device *phydev)
 	if (phydev->link && phydev->state != PHY_RUNNING) {
 		phy_check_downshift(phydev);
 		phydev->state = PHY_RUNNING;
-		err = genphy_c45_eee_is_active(phydev,
-					       NULL, NULL, NULL);
+		err = genphy_c45_eee_is_active(phydev, NULL, NULL);
 		phydev->eee_active = err > 0;
 		phydev->enable_tx_lpi = phydev->eee_cfg.tx_lpi_enabled &&
 					phydev->eee_active;
@@ -1658,7 +1657,7 @@ int phy_init_eee(struct phy_device *phydev, bool clk_stop_enable)
 	if (!phydev->drv)
 		return -EIO;
 
-	ret = genphy_c45_eee_is_active(phydev, NULL, NULL, NULL);
+	ret = genphy_c45_eee_is_active(phydev, NULL, NULL);
 	if (ret < 0)
 		return ret;
 	if (!ret)

include/linux/phy.h

@@ -1991,7 +1991,7 @@ int genphy_c45_plca_set_cfg(struct phy_device *phydev,
 int genphy_c45_plca_get_status(struct phy_device *phydev,
 			       struct phy_plca_status *plca_st);
 int genphy_c45_eee_is_active(struct phy_device *phydev, unsigned long *adv,
-			     unsigned long *lp, bool *is_enabled);
+			     unsigned long *lp);
 int genphy_c45_ethtool_get_eee(struct phy_device *phydev,
 			       struct ethtool_keee *data);
 int genphy_c45_ethtool_set_eee(struct phy_device *phydev,