RDMA/nes: Set trace length to 1 inch for SFP_D

With updated PHY firmware for SFP_D, setting the trace length to 1
inch for SFP_D provides a more stable link.

Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 2aa021655e33..b832a7b814a2 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1371,13 +1371,14 @@ int nes_init_phy(struct nes_device *nesdev)
                 if (phy_type == NES_PHY_TYPE_ARGUS) {
                         nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x000C);
                         nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0008);
+                        nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001);
                 } else {
                         nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc302, 0x0004);
                         nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc319, 0x0038);
+                        nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0013);
                 }
                 nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xc31a, 0x0098);
                 nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0026, 0x0E00);
-                nes_write_10G_phy_reg(nesdev, phy_index, 0x3, 0x0027, 0x0001);
 
                 /* setup LEDs */
                 nes_write_10G_phy_reg(nesdev, phy_index, 0x1, 0xd006, 0x0007);