diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-02-21 12:11:54 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2020-09-03 12:06:41 +0300 |
| commit | 341d45188a7800ae3bc18558d62020787b78397e (patch) | |
| tree | 3d9b8877c304c845f3f7c94820eb7c89b0cb2a07 /drivers/thunderbolt/tb_regs.h | |
| parent | 284652a4a49917e121277a6cacbefed9f65b94ca (diff) | |
thunderbolt: Disable lane 1 for XDomain connection
USB4 spec mandates that the lane 1 should be disabled if lanes are not
bonded. For host-to-host connections (XDomain) we don't support lane
bonding so in order to be compatible with the spec, disable lane 1 when
another host is connected.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/tb_regs.h')
| -rw-r--r-- | drivers/thunderbolt/tb_regs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb_regs.h b/drivers/thunderbolt/tb_regs.h index a553be24f1c0..d1a40baa63d2 100644 --- a/drivers/thunderbolt/tb_regs.h +++ b/drivers/thunderbolt/tb_regs.h @@ -279,6 +279,7 @@ struct tb_regs_port_header { #define LANE_ADP_CS_1_TARGET_WIDTH_SHIFT 4 #define LANE_ADP_CS_1_TARGET_WIDTH_SINGLE 0x1 #define LANE_ADP_CS_1_TARGET_WIDTH_DUAL 0x3 +#define LANE_ADP_CS_1_LD BIT(14) #define LANE_ADP_CS_1_LB BIT(15) #define LANE_ADP_CS_1_CURRENT_SPEED_MASK GENMASK(19, 16) #define LANE_ADP_CS_1_CURRENT_SPEED_SHIFT 16 |