From: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
[ Upstream commit 956c3abe72fb6a651b8cf77c28462f7e5b6a48b1 ]
This is useful when walking over upstream lane adapters over given path.
Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Qin Wan <qin.wan@xxxxxx>
Signed-off-by: Alexandru Gagniuc <alexandru.gagniuc@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/thunderbolt/tb.h | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/drivers/thunderbolt/tb.h
+++ b/drivers/thunderbolt/tb.h
@@ -1076,6 +1076,21 @@ static inline bool tb_port_use_credit_al
for ((p) = tb_next_port_on_path((src), (dst), NULL); (p); \
(p) = tb_next_port_on_path((src), (dst), (p)))
+/**
+ * tb_for_each_upstream_port_on_path() - Iterate over each upstreamm port on path
+ * @src: Source port
+ * @dst: Destination port
+ * @p: Port used as iterator
+ *
+ * Walks over each upstream lane adapter on path from @src to @dst.
+ */
+#define tb_for_each_upstream_port_on_path(src, dst, p) \
+ for ((p) = tb_next_port_on_path((src), (dst), NULL); (p); \
+ (p) = tb_next_port_on_path((src), (dst), (p))) \
+ if (!tb_port_is_null((p)) || !tb_is_upstream_port((p))) {\
+ continue; \
+ } else
+
int tb_port_get_link_speed(struct tb_port *port);
int tb_port_get_link_generation(struct tb_port *port);
int tb_port_get_link_width(struct tb_port *port);
Patches currently in stable-queue which might be from alexandru.gagniuc@xxxxxx are
queue-6.6/thunderbolt-introduce-tb_switch_depth.patch
queue-6.6/thunderbolt-fix-debug-log-when-displayport-adapter-not-available-for-pairing.patch
queue-6.6/thunderbolt-change-bandwidth-reservations-to-comply-usb4-v2.patch
queue-6.6/thunderbolt-configure-asymmetric-link-if-needed-and-bandwidth-allows.patch
queue-6.6/thunderbolt-make-is_gen4_link-available-to-the-rest-of-the-driver.patch
queue-6.6/thunderbolt-add-support-for-asymmetric-link.patch
queue-6.6/thunderbolt-introduce-tb_for_each_upstream_port_on_path.patch
queue-6.6/thunderbolt-improve-displayport-tunnel-setup-process-to-be-more-robust.patch
queue-6.6/thunderbolt-expose-tb_tunnel_xxx-log-macros-to-the-rest-of-the-driver.patch
queue-6.6/thunderbolt-use-constants-for-path-weight-and-priority.patch
queue-6.6/thunderbolt-introduce-tb_port_path_direction_downstream.patch
queue-6.6/thunderbolt-use-weight-constants-in-tb_usb3_consumed_bandwidth.patch
queue-6.6/thunderbolt-create-multiple-displayport-tunnels-if-there-are-more-dp-in-out-pairs.patch
queue-6.6/thunderbolt-use-tb_tunnel_dbg-where-possible-to-make-logging-more-consistent.patch
