Commit 0209c808 authored by Gil Fine's avatar Gil Fine Committed by Mika Westerberg
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thunderbolt: Fix PCIe adapter capability length for USB4 v2 routers 



For USB4 v2 routers, the PCIe adapter capability length is longer.
Display the correct capability length in the debugfs register dump.

Signed-off-by: default avatarGil Fine <gil.fine@linux.intel.com>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent 75abb4f5

drivers/thunderbolt/debugfs.c

+6 −2
Original line number Diff line number Diff line
@@ -14,7 +14,8 @@ 
#include "tb.h"

#include "sb_regs.h"



#define PORT_CAP_PCIE_LEN	1

#define PORT_CAP_V1_PCIE_LEN	1

#define PORT_CAP_V2_PCIE_LEN	2

#define PORT_CAP_POWER_LEN	2

#define PORT_CAP_LANE_LEN	3

#define PORT_CAP_USB3_LEN	5
@@ -1175,7 +1176,10 @@ static void port_cap_show(struct tb_port *port, struct seq_file *s, 


	case TB_PORT_CAP_ADAP:

		if (tb_port_is_pcie_down(port) || tb_port_is_pcie_up(port)) {

			length = PORT_CAP_PCIE_LEN;

			if (usb4_switch_version(port->sw) < 2)

				length = PORT_CAP_V1_PCIE_LEN;

			else

				length = PORT_CAP_V2_PCIE_LEN;

		} else if (tb_port_is_dpin(port)) {

			if (usb4_switch_version(port->sw) < 2)

				length = PORT_CAP_DP_V1_LEN;