We need to call this from tb.c when we improve the bandwidth management
to take USB3 into account.
Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
---
drivers/thunderbolt/switch.c | 8 +++++++-
drivers/thunderbolt/tb.h | 2 ++
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c
index 29db484d2c74..c01176429d5f 100644
--- a/drivers/thunderbolt/switch.c
+++ b/drivers/thunderbolt/switch.c
@@ -911,7 +911,13 @@ struct tb_port *tb_next_port_on_path(struct tb_port *start, struct tb_port *end,
return next != prev ? next : NULL;
}
-static int tb_port_get_link_speed(struct tb_port *port)
+/**
+ * tb_port_get_link_speed() - Get current link speed
+ * @port: Port to check (USB4 or CIO)
+ *
+ * Returns link speed in Gb/s or negative errno in case of failure.
+ */
+int tb_port_get_link_speed(struct tb_port *port)
{
u32 val, speed;
int ret;
diff --git a/drivers/thunderbolt/tb.h b/drivers/thunderbolt/tb.h
index cb53a94fe4f8..c6f18200fe92 100644
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -759,6 +759,8 @@ struct tb_port *tb_next_port_on_path(struct tb_port *start, struct tb_port *end,
for ((p) = tb_next_port_on_path((src), (dst), NULL); (p); \
(p) = tb_next_port_on_path((src), (dst), (p)))
+int tb_port_get_link_speed(struct tb_port *port);
+
int tb_switch_find_vse_cap(struct tb_switch *sw, enum tb_switch_vse_cap vsec);
int tb_switch_find_cap(struct tb_switch *sw, enum tb_switch_cap cap);
int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap);
--
2.27.0.rc2
