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Subject[PATCH 05/12] thunderbolt: Return -ENOTCONN when ERR_CONN is received
Date
This allows the calling code to distinguish if the error was due to
ERR_CONN (adapter is disconneced or disabled) or something else. Will be
needed in USB4 router NVM update in the following patch.

Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
---
drivers/thunderbolt/ctl.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/thunderbolt/ctl.c b/drivers/thunderbolt/ctl.c
index 1d86e27a0ef3..bac08b820015 100644
--- a/drivers/thunderbolt/ctl.c
+++ b/drivers/thunderbolt/ctl.c
@@ -962,6 +962,9 @@ static int tb_cfg_get_error(struct tb_ctl *ctl, enum tb_cfg_space space,

if (res->tb_error == TB_CFG_ERROR_LOCK)
return -EACCES;
+ else if (res->tb_error == TB_CFG_ERROR_PORT_NOT_CONNECTED)
+ return -ENOTCONN;
+
return -EIO;
}

--
2.29.2
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