diff options
Diffstat (limited to 'drivers/net/wireless/ath/carl9170/main.c')
| -rw-r--r-- | drivers/net/wireless/ath/carl9170/main.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/carl9170/main.c b/drivers/net/wireless/ath/carl9170/main.c index dc7b30b170d..870df8c4262 100644 --- a/drivers/net/wireless/ath/carl9170/main.c +++ b/drivers/net/wireless/ath/carl9170/main.c @@ -428,6 +428,7 @@ static void carl9170_cancel_worker(struct ar9170 *ar) cancel_delayed_work_sync(&ar->led_work); #endif /* CONFIG_CARL9170_LEDS */ cancel_work_sync(&ar->ps_work); + cancel_work_sync(&ar->ping_work); cancel_work_sync(&ar->ampdu_work); } @@ -533,6 +534,21 @@ void carl9170_restart(struct ar9170 *ar, const enum carl9170_restart_reasons r) */ } +static void carl9170_ping_work(struct work_struct *work) +{ + struct ar9170 *ar = container_of(work, struct ar9170, ping_work); + int err; + + if (!IS_STARTED(ar)) + return; + + mutex_lock(&ar->mutex); + err = carl9170_echo_test(ar, 0xdeadbeef); + if (err) + carl9170_restart(ar, CARL9170_RR_UNRESPONSIVE_DEVICE); + mutex_unlock(&ar->mutex); +} + static int carl9170_init_interface(struct ar9170 *ar, struct ieee80211_vif *vif) { @@ -1614,6 +1630,7 @@ void *carl9170_alloc(size_t priv_size) skb_queue_head_init(&ar->tx_pending[i]); } INIT_WORK(&ar->ps_work, carl9170_ps_work); + INIT_WORK(&ar->ping_work, carl9170_ping_work); INIT_WORK(&ar->restart_work, carl9170_restart_work); INIT_WORK(&ar->ampdu_work, carl9170_ampdu_work); INIT_DELAYED_WORK(&ar->tx_janitor, carl9170_tx_janitor); @@ -1829,7 +1846,7 @@ int carl9170_register(struct ar9170 *ar) err = carl9170_led_register(ar); if (err) goto err_unreg; -#endif /* CONFIG_CAR9L170_LEDS */ +#endif /* CONFIG_CARL9170_LEDS */ #ifdef CONFIG_CARL9170_WPC err = carl9170_register_wps_button(ar); |