From 5480dfc275aa7e5f892505ce082d71635d6a22f8 Mon Sep 17 00:00:00 2001 From: Mika Westerberg Date: Wed, 9 Jan 2019 17:25:43 +0200 Subject: thunderbolt: Set sleep bit when suspending switch Thunderbolt 2 devices and beyond link controller needs to be notified when a switch is going to be suspended by setting bit 31 in LC_SX_CTRL register. Add this functionality to the software connection manager. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/switch.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/thunderbolt/switch.c') diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index dd218dc4781b..b3f93ebe6e39 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -1586,10 +1586,8 @@ void tb_switch_suspend(struct tb_switch *sw) if (!tb_is_upstream_port(&sw->ports[i]) && sw->ports[i].remote) tb_switch_suspend(sw->ports[i].remote->sw); } - /* - * TODO: invoke tb_cfg_prepare_to_sleep here? does not seem to have any - * effect? - */ + + tb_lc_set_sleep(sw); } struct tb_sw_lookup { -- cgit