| Message ID | 1438769318-27373-1-git-send-email-michal.kazior@tieto.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Michal Kazior <michal.kazior@tieto.com> writes: > When WoWLAN resume fails with retval 1 mac80211 > will attempt to reconfig the device in a similar > manner when hw restart is requested. This wasn't > handled properly and yielded call trace warnings > and the device ended up not working. > > Signed-off-by: Michal Kazior <michal.kazior@tieto.com> Thanks, applied.
diff --git a/drivers/net/wireless/ath/ath10k/wow.c b/drivers/net/wireless/ath/ath10k/wow.c index a68d8fd853a3..8e02b381990f 100644 --- a/drivers/net/wireless/ath/ath10k/wow.c +++ b/drivers/net/wireless/ath/ath10k/wow.c @@ -301,8 +301,26 @@ int ath10k_wow_op_resume(struct ieee80211_hw *hw) ath10k_warn(ar, "failed to wakeup from wow: %d\n", ret); exit: + if (ret) { + switch (ar->state) { + case ATH10K_STATE_ON: + ar->state = ATH10K_STATE_RESTARTING; + ret = 1; + break; + case ATH10K_STATE_OFF: + case ATH10K_STATE_RESTARTING: + case ATH10K_STATE_RESTARTED: + case ATH10K_STATE_UTF: + case ATH10K_STATE_WEDGED: + ath10k_warn(ar, "encountered unexpected device state %d on resume, cannot recover\n", + ar->state); + ret = -EIO; + break; + } + } + mutex_unlock(&ar->conf_mutex); - return ret ? 1 : 0; + return ret; } int ath10k_wow_init(struct ath10k *ar)
When WoWLAN resume fails with retval 1 mac80211 will attempt to reconfig the device in a similar manner when hw restart is requested. This wasn't handled properly and yielded call trace warnings and the device ended up not working. Signed-off-by: Michal Kazior <michal.kazior@tieto.com> --- drivers/net/wireless/ath/ath10k/wow.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-)