Commit b35c1d7b authored by Sanath S's avatar Sanath S Committed by Mika Westerberg
Browse files

thunderbolt: Introduce tb_path_deactivate_hop() 



This function can be used to clear path config space of an adapter. Make
it available for other files in this driver.

Signed-off-by: default avatarSanath S <Sanath.S@amd.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 01da6b99

drivers/thunderbolt/path.c

+13 −0
Original line number Diff line number Diff line
@@ -446,6 +446,19 @@ static int __tb_path_deactivate_hop(struct tb_port *port, int hop_index, 
	return -ETIMEDOUT;

}



/**

 * tb_path_deactivate_hop() - Deactivate one path in path config space

 * @port: Lane or protocol adapter

 * @hop_index: HopID of the path to be cleared

 *

 * This deactivates or clears a single path config space entry at

 * @hop_index. Returns %0 in success and negative errno otherwise.

 */

int tb_path_deactivate_hop(struct tb_port *port, int hop_index)

{

	return __tb_path_deactivate_hop(port, hop_index, true);

}



static void __tb_path_deactivate_hops(struct tb_path *path, int first_hop)

{

	int i, res;

drivers/thunderbolt/tb.h

+1 −0
Original line number Diff line number Diff line
@@ -1150,6 +1150,7 @@ struct tb_path *tb_path_alloc(struct tb *tb, struct tb_port *src, int src_hopid, 
void tb_path_free(struct tb_path *path);

int tb_path_activate(struct tb_path *path);

void tb_path_deactivate(struct tb_path *path);

int tb_path_deactivate_hop(struct tb_port *port, int hop_index);

bool tb_path_is_invalid(struct tb_path *path);

bool tb_path_port_on_path(const struct tb_path *path,

			  const struct tb_port *port);