diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/thunderbolt/usb4.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c index 7e8b5ca3114c..b56af7b0a093 100644 --- a/drivers/thunderbolt/usb4.c +++ b/drivers/thunderbolt/usb4.c @@ -399,12 +399,18 @@ int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags) val &= ~(PORT_CS_19_WOC | PORT_CS_19_WOD | PORT_CS_19_WOU4); - if (flags & TB_WAKE_ON_CONNECT) - val |= PORT_CS_19_WOC; - if (flags & TB_WAKE_ON_DISCONNECT) - val |= PORT_CS_19_WOD; - if (flags & TB_WAKE_ON_USB4) + if (tb_is_upstream_port(port)) { val |= PORT_CS_19_WOU4; + } else { + bool configured = val & PORT_CS_19_PC; + + if ((flags & TB_WAKE_ON_CONNECT) && !configured) + val |= PORT_CS_19_WOC; + if ((flags & TB_WAKE_ON_DISCONNECT) && configured) + val |= PORT_CS_19_WOD; + if ((flags & TB_WAKE_ON_USB4) && configured) + val |= PORT_CS_19_WOU4; + } ret = tb_port_write(port, &val, TB_CFG_PORT, port->cap_usb4 + PORT_CS_19, 1); |