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net/ixgbe/base: use fast MDIO for non-10G devices

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Devices that cannot go 10G speeds can safely select a faster
Management Data Input/Output (MDIO) speed.
Select fast MDIO clock speed for for those devices.

Signed-off-by: Wei Dai <wei.dai@intel.com>
This commit is contained in:
Wei Dai 2016-12-21 17:47:47 +08:00 committed by Ferruh Yigit
parent 1b417db3d3
commit 81ada1e197
1 changed files with 7 additions and 2 deletions
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9
drivers/net/ixgbe/base/ixgbe_x550.c
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@ -2549,8 +2549,6 @@ STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
case IXGBE_DEV_ID_X550EM_X_10G_T:
case IXGBE_DEV_ID_X550EM_A_SGMII:
case IXGBE_DEV_ID_X550EM_A_SGMII_L:
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
case IXGBE_DEV_ID_X550EM_A_10G_T:
case IXGBE_DEV_ID_X550EM_A_SFP:
case IXGBE_DEV_ID_X550EM_A_QSFP:
@ -2559,6 +2557,13 @@ STATIC void ixgbe_set_mdio_speed(struct ixgbe_hw *hw)
hlreg0 &= ~IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
break;
case IXGBE_DEV_ID_X550EM_A_1G_T:
case IXGBE_DEV_ID_X550EM_A_1G_T_L:
/* Select fast MDIO clock speed for these devices */
hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
hlreg0 |= IXGBE_HLREG0_MDCSPD;
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
break;
default:
break;
}