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thunderbolt: Set sleep bit when suspending switch

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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 <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg
2019-01-09 17:25:43 +02:00
parent e879a709de
commit 5480dfc275
4 changed files with 49 additions and 4 deletions
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drivers/thunderbolt/tb.h
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@@ -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)
{