Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 92322377 authored by Chien Tung's avatar Chien Tung Committed by Roland Dreier
Browse files

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: default avatarChien Tung <chien.tin.tung@intel.com>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent e998c25b

drivers/infiniband/hw/nes/nes_hw.c

+2 −1
Original line number Diff line number Diff line
@@ -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);