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authorMika Westerberg <mika.westerberg@linux.intel.com>2020-02-21 12:11:54 +0200
committerMika Westerberg <mika.westerberg@linux.intel.com>2020-09-03 12:06:41 +0300
commit341d45188a7800ae3bc18558d62020787b78397e (patch)
tree3d9b8877c304c845f3f7c94820eb7c89b0cb2a07 /drivers/thunderbolt/tb.h
parent284652a4a49917e121277a6cacbefed9f65b94ca (diff)
downloadlinux-341d45188a7800ae3bc18558d62020787b78397e.tar.bz2
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.h')
-rw-r--r--drivers/thunderbolt/tb.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index c80b11dba756..e8593cf5901a 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -790,6 +790,8 @@ int tb_port_add_nfc_credits(struct tb_port *port, int credits);
int tb_port_set_initial_credits(struct tb_port *port, u32 credits);
int tb_port_clear_counter(struct tb_port *port, int counter);
int tb_port_unlock(struct tb_port *port);
+int tb_port_enable(struct tb_port *port);
+int tb_port_disable(struct tb_port *port);
int tb_port_alloc_in_hopid(struct tb_port *port, int hopid, int max_hopid);
void tb_port_release_in_hopid(struct tb_port *port, int hopid);
int tb_port_alloc_out_hopid(struct tb_port *port, int hopid, int max_hopid);