diff options
| -rw-r--r-- | drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c | 68 |
1 files changed, 19 insertions, 49 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c index a48134eb6dbe..ef3d686ead98 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x550.c @@ -1516,65 +1516,35 @@ static s32 ixgbe_init_ext_t_x550em(struct ixgbe_hw *hw) { s32 status; u16 reg; - u32 retries = 2; - do { - /* decrement retries counter and exit if we hit 0 */ - if (retries < 1) { - hw_dbg(hw, "External PHY not yet finished resetting."); - return IXGBE_ERR_PHY; - } - retries--; - - status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_TX_VENDOR_ALARMS_3, - IXGBE_MDIO_PMA_PMD_DEV_TYPE, - ®); - if (status) - return status; - - /* Verify PHY FW reset has completed */ - } while ((reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) != 1); - - /* Set port to low power mode */ - status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_VENDOR_SPECIFIC_1_CONTROL, - IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, - ®); - if (status) - return status; - - /* Enable the transmitter */ status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR, + IXGBE_MDIO_TX_VENDOR_ALARMS_3, IXGBE_MDIO_PMA_PMD_DEV_TYPE, ®); if (status) return status; - reg &= ~IXGBE_MDIO_PMD_GLOBAL_TX_DISABLE; - - status = hw->phy.ops.write_reg(hw, - IXGBE_MDIO_PMD_STD_TX_DISABLE_CNTR, - IXGBE_MDIO_PMA_PMD_DEV_TYPE, - reg); - if (status) - return status; + /* If PHY FW reset completed bit is set then this is the first + * SW instance after a power on so the PHY FW must be un-stalled. + */ + if (reg & IXGBE_MDIO_TX_VENDOR_ALARMS_3_RST_MASK) { + status = hw->phy.ops.read_reg(hw, + IXGBE_MDIO_GLOBAL_RES_PR_10, + IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, + ®); + if (status) + return status; - /* Un-stall the PHY FW */ - status = hw->phy.ops.read_reg(hw, - IXGBE_MDIO_GLOBAL_RES_PR_10, - IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, - ®); - if (status) - return status; + reg &= ~IXGBE_MDIO_POWER_UP_STALL; - reg &= ~IXGBE_MDIO_POWER_UP_STALL; + status = hw->phy.ops.write_reg(hw, + IXGBE_MDIO_GLOBAL_RES_PR_10, + IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, + reg); + if (status) + return status; + } - status = hw->phy.ops.write_reg(hw, - IXGBE_MDIO_GLOBAL_RES_PR_10, - IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE, - reg); return status; } |