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path: root/drivers/thunderbolt/usb4.c
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Diffstat (limited to 'drivers/thunderbolt/usb4.c')
-rw-r--r--drivers/thunderbolt/usb4.c26
1 files changed, 16 insertions, 10 deletions
diff --git a/drivers/thunderbolt/usb4.c b/drivers/thunderbolt/usb4.c
index e51d01671d8e..fdae76c8f728 100644
--- a/drivers/thunderbolt/usb4.c
+++ b/drivers/thunderbolt/usb4.c
@@ -403,12 +403,12 @@ bool usb4_switch_lane_bonding_possible(struct tb_switch *sw)
* usb4_switch_set_wake() - Enabled/disable wake
* @sw: USB4 router
* @flags: Wakeup flags (%0 to disable)
+ * @runtime: Wake is being programmed during system runtime
*
* Enables/disables router to wake up from sleep.
*/
-int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags)
+int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags, bool runtime)
{
- struct usb4_port *usb4;
struct tb_port *port;
u64 route = tb_route(sw);
u32 val;
@@ -438,13 +438,11 @@ int usb4_switch_set_wake(struct tb_switch *sw, unsigned int flags)
val |= PORT_CS_19_WOU4;
} else {
bool configured = val & PORT_CS_19_PC;
- usb4 = port->usb4;
+ bool wakeup = runtime || device_may_wakeup(&port->usb4->dev);
- if (((flags & TB_WAKE_ON_CONNECT) |
- device_may_wakeup(&usb4->dev)) && !configured)
+ if ((flags & TB_WAKE_ON_CONNECT) && wakeup && !configured)
val |= PORT_CS_19_WOC;
- if (((flags & TB_WAKE_ON_DISCONNECT) |
- device_may_wakeup(&usb4->dev)) && configured)
+ if ((flags & TB_WAKE_ON_DISCONNECT) && wakeup && configured)
val |= PORT_CS_19_WOD;
if ((flags & TB_WAKE_ON_USB4) && configured)
val |= PORT_CS_19_WOU4;
@@ -935,7 +933,15 @@ int usb4_switch_dealloc_dp_resource(struct tb_switch *sw, struct tb_port *in)
return status ? -EIO : 0;
}
-static int usb4_port_idx(const struct tb_switch *sw, const struct tb_port *port)
+/**
+ * usb4_port_index() - Finds matching USB4 port index
+ * @sw: USB4 router
+ * @port: USB4 protocol or lane adapter
+ *
+ * Finds matching USB4 port index (starting from %0) that given @port goes
+ * through.
+ */
+int usb4_port_index(const struct tb_switch *sw, const struct tb_port *port)
{
struct tb_port *p;
int usb4_idx = 0;
@@ -969,7 +975,7 @@ static int usb4_port_idx(const struct tb_switch *sw, const struct tb_port *port)
struct tb_port *usb4_switch_map_pcie_down(struct tb_switch *sw,
const struct tb_port *port)
{
- int usb4_idx = usb4_port_idx(sw, port);
+ int usb4_idx = usb4_port_index(sw, port);
struct tb_port *p;
int pcie_idx = 0;
@@ -1000,7 +1006,7 @@ struct tb_port *usb4_switch_map_pcie_down(struct tb_switch *sw,
struct tb_port *usb4_switch_map_usb3_down(struct tb_switch *sw,
const struct tb_port *port)
{
- int usb4_idx = usb4_port_idx(sw, port);
+ int usb4_idx = usb4_port_index(sw, port);
struct tb_port *p;
int usb_idx = 0;