diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/core.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath10k/core.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index c37f79f6f8c..7226c23b956 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -476,6 +476,34 @@ static int ath10k_init_hw_params(struct ath10k *ar) return 0; } +static void ath10k_core_restart(struct work_struct *work) +{ + struct ath10k *ar = container_of(work, struct ath10k, restart_work); + + mutex_lock(&ar->conf_mutex); + + switch (ar->state) { + case ATH10K_STATE_ON: + ath10k_halt(ar); + ar->state = ATH10K_STATE_RESTARTING; + ieee80211_restart_hw(ar->hw); + break; + case ATH10K_STATE_OFF: + /* this can happen if driver is being unloaded */ + ath10k_warn("cannot restart a device that hasn't been started\n"); + break; + case ATH10K_STATE_RESTARTING: + case ATH10K_STATE_RESTARTED: + ar->state = ATH10K_STATE_WEDGED; + /* fall through */ + case ATH10K_STATE_WEDGED: + ath10k_warn("device is wedged, will not restart\n"); + break; + } + + mutex_unlock(&ar->conf_mutex); +} + struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, const struct ath10k_hif_ops *hif_ops) { @@ -519,6 +547,8 @@ struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev, init_waitqueue_head(&ar->event_queue); + INIT_WORK(&ar->restart_work, ath10k_core_restart); + return ar; err_wq: |