Commit 5b7b8c0a authored May 08, 2020 by Mika Westerberg

thunderbolt: Make tb_port_get_link_speed() available to other files



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@linux.intel.com>

parent 3b1d8d57

drivers/thunderbolt/switch.c

+7 −1

Original line number	Original line	Diff line number	Diff line
	@@ -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;		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;		u32 val, speed;
	int ret;		int ret;

drivers/thunderbolt/tb.h

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -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); \		for ((p) = tb_next_port_on_path((src), (dst), NULL); (p); \
	(p) = tb_next_port_on_path((src), (dst), (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_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_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);		int tb_port_find_cap(struct tb_port *port, enum tb_port_cap cap);