diff options
| -rw-r--r-- | drivers/thunderbolt/retimer.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/thunderbolt/retimer.c b/drivers/thunderbolt/retimer.c index fb8e113488db..a273fb02a02c 100644 --- a/drivers/thunderbolt/retimer.c +++ b/drivers/thunderbolt/retimer.c @@ -244,6 +244,13 @@ static ssize_t nvm_authenticate_store(struct device *dev, rt->auth_status = 0; if (val) { + /* + * When NVM authentication starts the retimer is not + * accessible so calling tb_retimer_unset_inbound_sbtx() + * will fail and therefore we do not call it. Exception + * is when the validation fails or we only write the new + * NVM image without authentication. + */ tb_retimer_set_inbound_sbtx(rt->port); if (val == AUTHENTICATE_ONLY) { ret = tb_retimer_nvm_authenticate(rt, true); @@ -264,7 +271,8 @@ static ssize_t nvm_authenticate_store(struct device *dev, } exit_unlock: - tb_retimer_unset_inbound_sbtx(rt->port); + if (ret || val == WRITE_ONLY) + tb_retimer_unset_inbound_sbtx(rt->port); mutex_unlock(&rt->tb->lock); exit_rpm: pm_runtime_mark_last_busy(&rt->dev); |