diff mbox

[dpdk-dev,03/29] net/ixgbe/base: use fast MDIO for non-10G MDIO devices

Message ID 1480833100-48545-3-git-send-email-wei.dai@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Ferruh Yigit
Headers

Checks

Context Check Description
checkpatch/checkpatch success coding style OK

Commit Message

Wei Dai Dec. 4, 2016, 6:31 a.m. UTC 
  Devices that cannot go 10G can safely select a faster MDIO speed than
those devices that can possibly connect at 10G. So select the higher
speed for those devices.

Signed-off-by: Wei Dai <wei.dai@intel.com>
---
 drivers/net/ixgbe/base/ixgbe_x550.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index acb8140..c1fac1a 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -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;
 	}