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thunderbolt: Return -ENOTCONN when ERR_CONN is received 

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>
This commit is contained in:
Mika Westerberg 2020-11-17 13:19:41 +03:00
parent b658eb9d90
commit 463e48fa54
1 changed files with 3 additions and 0 deletions
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3
drivers/thunderbolt/ctl.c
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@ -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) if (res->tb_error == TB_CFG_ERROR_LOCK)
return -EACCES; return -EACCES;
else if (res->tb_error == TB_CFG_ERROR_PORT_NOT_CONNECTED)
return -ENOTCONN;
return -EIO; return -EIO;
} }