diff options
Diffstat (limited to 'drivers/thunderbolt/switch.c')
| -rw-r--r-- | drivers/thunderbolt/switch.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index df119a87ee75..d3c54020a5be 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -2678,23 +2678,40 @@ int tb_switch_resume(struct tb_switch *sw) return 0; } -void tb_switch_suspend(struct tb_switch *sw) +/** + * tb_switch_suspend() - Put a switch to sleep + * @sw: Switch to suspend + * @runtime: Is this runtime suspend or system sleep + * + * Suspends router and all its children. Enables wakes according to + * value of @runtime and then sets sleep bit for the router. If @sw is + * host router the domain is ready to go to sleep once this function + * returns. + */ +void tb_switch_suspend(struct tb_switch *sw, bool runtime) { unsigned int flags = 0; struct tb_port *port; int err; + tb_sw_dbg(sw, "suspending switch\n"); + err = tb_plug_events_active(sw, false); if (err) return; tb_switch_for_each_port(sw, port) { if (tb_port_has_remote(port)) - tb_switch_suspend(port->remote->sw); + tb_switch_suspend(port->remote->sw, runtime); } - if (device_may_wakeup(&sw->dev)) - flags = TB_WAKE_ON_USB4 | TB_WAKE_ON_USB3 | TB_WAKE_ON_PCIE; + if (runtime) { + /* Trigger wake when something is plugged in/out */ + flags |= TB_WAKE_ON_CONNECT | TB_WAKE_ON_DISCONNECT; + flags |= TB_WAKE_ON_USB4 | TB_WAKE_ON_USB3 | TB_WAKE_ON_PCIE; + } else if (device_may_wakeup(&sw->dev)) { + flags |= TB_WAKE_ON_USB4 | TB_WAKE_ON_USB3 | TB_WAKE_ON_PCIE; + } tb_switch_set_wake(sw, flags); |