RDMA/nes: Fix MDC setting

Clear MDC bits before setting them to a new value.  Adjust MDC value
for 10G.

Signed-off-by: Sweta Bhatt <sweta.bhatt@einfochips.com>
Signed-off-by: Chien Tung <ctung@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 0e259a8b307f..1437b6e397bc 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1262,6 +1262,7 @@ int nes_init_phy(struct nes_device *nesdev)
                 if (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_1G) {
                         printk(PFX "%s: Programming mdc config for 1G\n", __func__);
                         tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
+                        tx_config &= 0xFFFFFFE3;
                         tx_config |= 0x04;
                         nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
                 }
@@ -1327,7 +1328,8 @@ int nes_init_phy(struct nes_device *nesdev)
                     (nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) {
                         /* setup 10G MDIO operation */
                         tx_config = nes_read_indexed(nesdev, NES_IDX_MAC_TX_CONFIG);
-                        tx_config |= 0x14;
+                        tx_config &= 0xFFFFFFE3;
+                        tx_config |= 0x15;
                         nes_write_indexed(nesdev, NES_IDX_MAC_TX_CONFIG, tx_config);
                 }
                 if ((nesadapter->phy_type[mac_index] == NES_PHY_TYPE_ARGUS)) {