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thunderbolt: Fix PCIe adapter capability length for USB4 v2 routers

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

Signed-off-by: Gil Fine <gil.fine@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Gil Fine 2023-01-25 11:48:14 +02:00 committed by Mika Westerberg
parent 75abb4f5ff
commit 0209c808a5
1 changed files with 6 additions and 2 deletions
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8
drivers/thunderbolt/debugfs.c
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@ -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;