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authorMika Westerberg <mika.westerberg@linux.intel.com>2020-11-17 13:19:41 +0300
committerMika Westerberg <mika.westerberg@linux.intel.com>2020-11-30 14:39:24 +0300
commit463e48fa544826898791085508459de246fc4c09 (patch)
treec3818692ad04786743c9ba0185515226c2e9d11e /drivers/thunderbolt
parentb658eb9d9075aa2b44834962a1efc4bc78e9bed8 (diff)
downloadlinux-463e48fa544826898791085508459de246fc4c09.tar.xz
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>
Diffstat (limited to 'drivers/thunderbolt')
-rw-r--r--drivers/thunderbolt/ctl.c3
1 files changed, 3 insertions, 0 deletions
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;
}