diff options
| author | Mika Westerberg <mika.westerberg@linux.intel.com> | 2022-12-23 10:45:51 +0200 |
|---|---|---|
| committer | Mika Westerberg <mika.westerberg@linux.intel.com> | 2023-06-16 09:53:28 +0300 |
| commit | 235d019481bcaa38a1d407f8513c54209aa387b8 (patch) | |
| tree | 15efd3fdb532dae109d35a9d52022e1c17c69c84 /drivers/thunderbolt/tb.c | |
| parent | e111fb92513771cbcae70d0aa855c3ca20f48c1b (diff) | |
| download | linux-235d019481bcaa38a1d407f8513c54209aa387b8.tar.gz linux-235d019481bcaa38a1d407f8513c54209aa387b8.tar.bz2 linux-235d019481bcaa38a1d407f8513c54209aa387b8.zip | |
thunderbolt: Add the new USB4 v2 notification types
USB4 v2 spec adds a bunch of new notifications that the connection
manager can use instead of polling. While we do not use these yet we
need to ack the ones routers expect to be acked.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/thunderbolt/tb.c')
| -rw-r--r-- | drivers/thunderbolt/tb.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/thunderbolt/tb.c b/drivers/thunderbolt/tb.c index 440693f561a4..f18cb5a52f0b 100644 --- a/drivers/thunderbolt/tb.c +++ b/drivers/thunderbolt/tb.c @@ -1952,17 +1952,26 @@ static void tb_queue_dp_bandwidth_request(struct tb *tb, u64 route, u8 port) static void tb_handle_notification(struct tb *tb, u64 route, const struct cfg_error_pkg *error) { - if (tb_cfg_ack_notification(tb->ctl, route, error)) - tb_warn(tb, "could not ack notification on %llx\n", route); switch (error->error) { + case TB_CFG_ERROR_PCIE_WAKE: + case TB_CFG_ERROR_DP_CON_CHANGE: + case TB_CFG_ERROR_DPTX_DISCOVERY: + if (tb_cfg_ack_notification(tb->ctl, route, error)) + tb_warn(tb, "could not ack notification on %llx\n", + route); + break; + case TB_CFG_ERROR_DP_BW: + if (tb_cfg_ack_notification(tb->ctl, route, error)) + tb_warn(tb, "could not ack notification on %llx\n", + route); tb_queue_dp_bandwidth_request(tb, route, error->port); break; default: - /* Ack is enough */ - return; + /* Ignore for now */ + break; } } |