i40e: do not enter PHY debug mode while setting LEDs behaviour

Previous implementation of LED set/get functions required to enter
PHY debug mode, in order to prevent access to it from FW and SW at
the same time. Reset of all ports was a unwanted side effect.

Signed-off-by: Mariusz Stachura <mariusz.stachura@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
index 6203d36..de0dfe3 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
@@ -2010,7 +2010,9 @@ static int i40e_set_phys_id(struct net_device *netdev,
                if (!(pf->hw_features & I40E_HW_PHY_CONTROLS_LEDS)) {
                        pf->led_status = i40e_led_get(hw);
                } else {
-                       i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
+                       if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
+                               i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL,
+                                                     NULL);
                        ret = i40e_led_get_phy(hw, &temp_status,
                                               &pf->phy_led_val);
                        pf->led_status = temp_status;
@@ -2035,7 +2037,8 @@ static int i40e_set_phys_id(struct net_device *netdev,
                        ret = i40e_led_set_phy(hw, false, pf->led_status,
                                               (pf->phy_led_val |
                                               I40E_PHY_LED_MODE_ORIG));
-                       i40e_aq_set_phy_debug(hw, 0, NULL);
+                       if (!(hw->flags & I40E_HW_FLAG_AQ_PHY_ACCESS_CAPABLE))
+                               i40e_aq_set_phy_debug(hw, 0, NULL);
                }
                break;
        default: