ixgbe/base: update X550em LPLU

This patch updates x550em LPLU (Low Power Link Up) to use the
MAC ops setup_link function pointer.
This removes redundant code and provides iXFI and KR support
between internal and external PHY.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>

diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index da312ba..fd46699 100644 (file)
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -2556,48 +2556,8 @@ s32 ixgbe_enter_lplu_t_x550em(struct ixgbe_hw *hw)
        if (status != IXGBE_SUCCESS)
                return status;
 
-       /* Set AN advertizement to only include LCD  */
-       if (lcd_speed == IXGBE_LINK_SPEED_1GB_FULL) {
-               an_10g_cntl_reg &= ~IXGBE_MII_10GBASE_T_ADVERTISE;
-               autoneg_reg |= IXGBE_MII_1GBASE_T_ADVERTISE;
-       }
-
-       if (lcd_speed == IXGBE_LINK_SPEED_10GB_FULL) {
-               an_10g_cntl_reg |= IXGBE_MII_10GBASE_T_ADVERTISE;
-               autoneg_reg &= ~IXGBE_MII_1GBASE_T_ADVERTISE;
-       }
-
-       status = hw->phy.ops.write_reg(hw, IXGBE_MII_10GBASE_T_AUTONEG_CTRL_REG,
-                             IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
-                             an_10g_cntl_reg);
-
-       if (status != IXGBE_SUCCESS)
-               return status;
-
-       status = hw->phy.ops.write_reg(hw,
-                             IXGBE_MII_AUTONEG_VENDOR_PROVISION_1_REG,
-                             IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
-                             autoneg_reg);
-
-       if (status != IXGBE_SUCCESS)
-               return status;
-
-       /* Restart PHY auto-negotiation. */
-       status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_CONTROL,
-                            IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &autoneg_reg);
-
-       if (status != IXGBE_SUCCESS)
-               return status;
-
-       autoneg_reg |= IXGBE_MII_RESTART;
-
-       status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_CONTROL,
-                             IXGBE_MDIO_AUTO_NEG_DEV_TYPE, autoneg_reg);
-
-       if (status != IXGBE_SUCCESS)
-               return status;
-
-       status = ixgbe_setup_ixfi_x550em(hw, &lcd_speed);
+       /* Setup link at least common link speed */
+       status = hw->mac.ops.setup_link(hw, lcd_speed, false);
 
        return status;
 }