Commit a3cfebdc authored by Mika Westerberg's avatar Mika Westerberg
Browse files

thunderbolt: Introduce tb_port_is_nhi() 



This is useful if one needs to check if adapter (port) is the host
interface (NHI). Make tb_port_alloc_hopid() take advantage of this.

Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 6de057ef

drivers/thunderbolt/switch.c

+1 −1
Original line number Diff line number Diff line
@@ -789,7 +789,7 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid, 
	 * NHI can use HopIDs 1-max for other adapters HopIDs 0-7 are

	 * reserved.

	 */

	if (port->config.type != TB_TYPE_NHI && min_hopid < TB_PATH_MIN_HOPID)

	if (!tb_port_is_nhi(port) && min_hopid < TB_PATH_MIN_HOPID)

		min_hopid = TB_PATH_MIN_HOPID;



	if (max_hopid < 0 || max_hopid > port_max_hopid)

drivers/thunderbolt/tb.h

+5 −0
Original line number Diff line number Diff line
@@ -464,6 +464,11 @@ static inline bool tb_port_is_null(const struct tb_port *port) 
	return port && port->port && port->config.type == TB_TYPE_PORT;

}



static inline bool tb_port_is_nhi(const struct tb_port *port)

{

	return port && port->config.type == TB_TYPE_NHI;

}



static inline bool tb_port_is_pcie_down(const struct tb_port *port)

{

	return port && port->config.type == TB_TYPE_PCIE_DOWN;

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