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thunderbolt: There are only 5 basic router registers in pre-USB4 routers

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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@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
This commit is contained in:
Mika Westerberg
2024-04-19 08:17:58 +03:00
parent d4d336f8c4
commit a3ad3a90e0
1 changed files with 1 additions and 1 deletions
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2
drivers/thunderbolt/debugfs.c
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@@ -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)