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/tb.h | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/thunderbolt/tb.h') diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h index 69e0534224d8..985a48a67a43 100644 --- a/drivers/thunderbolt/tb.h +++ b/drivers/thunderbolt/tb.h @@ -467,6 +467,7 @@ int tb_drom_read_uid_only(struct tb_switch *sw, u64 *uid); int tb_lc_read_uuid(struct tb_switch *sw, u32 *uuid); int tb_lc_configure_link(struct tb_switch *sw); void tb_lc_unconfigure_link(struct tb_switch *sw); +int tb_lc_set_sleep(struct tb_switch *sw); static inline int tb_route_length(u64 route) { -- cgit