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>
diff --git a/drivers/infiniband/hw/nes/nes_hw.c b/drivers/infiniband/hw/nes/nes_hw.c
index 2aa0216..b832a7b 100644
--- a/drivers/infiniband/hw/nes/nes_hw.c
+++ b/drivers/infiniband/hw/nes/nes_hw.c
@@ -1371,13 +1371,14 @@
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);