Intel pre-USB4 routers only have ROUTER_CS_0 up to ROUTER_CS_4 and it immediately follows the TMU router registers. Correct this accordingly. Reported-by: Rajaram Regupathy <rajaram.regupathy@xxxxxxxxx> Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx> --- drivers/thunderbolt/debugfs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thunderbolt/debugfs.c b/drivers/thunderbolt/debugfs.c index e324cd899719..193e9dfc983b 100644 --- a/drivers/thunderbolt/debugfs.c +++ b/drivers/thunderbolt/debugfs.c @@ -1346,7 +1346,7 @@ static int switch_basic_regs_show(struct tb_switch *sw, struct seq_file *s) if (tb_switch_is_usb4(sw)) dwords = ARRAY_SIZE(data); else - dwords = 7; + dwords = 5; ret = tb_sw_read(sw, data, TB_CFG_SWITCH, 0, dwords); if (ret) -- 2.43.0