Commit bcb6d916 authored by Tejun Heo's avatar Tejun Heo

wireless/ipw2x00: use system_wq instead of dedicated workqueues

With cmwq, there's no reason to use separate workqueues in ipw2x00
drivers.  Drop them and use system_wq instead.  All used work items
are sync canceled on driver detach.
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
Acked-by: default avatar"John W. Linville" <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
parent c4873005
......@@ -706,11 +706,10 @@ static void schedule_reset(struct ipw2100_priv *priv)
netif_stop_queue(priv->net_dev);
priv->status |= STATUS_RESET_PENDING;
if (priv->reset_backoff)
queue_delayed_work(priv->workqueue, &priv->reset_work,
priv->reset_backoff * HZ);
schedule_delayed_work(&priv->reset_work,
priv->reset_backoff * HZ);
else
queue_delayed_work(priv->workqueue, &priv->reset_work,
0);
schedule_delayed_work(&priv->reset_work, 0);
if (priv->reset_backoff < MAX_RESET_BACKOFF)
priv->reset_backoff++;
......@@ -1474,7 +1473,7 @@ static int ipw2100_enable_adapter(struct ipw2100_priv *priv)
if (priv->stop_hang_check) {
priv->stop_hang_check = 0;
queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
schedule_delayed_work(&priv->hang_check, HZ / 2);
}
fail_up:
......@@ -1808,8 +1807,8 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
if (priv->stop_rf_kill) {
priv->stop_rf_kill = 0;
queue_delayed_work(priv->workqueue, &priv->rf_kill,
round_jiffies_relative(HZ));
schedule_delayed_work(&priv->rf_kill,
round_jiffies_relative(HZ));
}
deferred = 1;
......@@ -2086,7 +2085,7 @@ static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
priv->status |= STATUS_ASSOCIATING;
priv->connect_start = get_seconds();
queue_delayed_work(priv->workqueue, &priv->wx_event_work, HZ / 10);
schedule_delayed_work(&priv->wx_event_work, HZ / 10);
}
static int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid,
......@@ -2166,9 +2165,9 @@ static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
return;
if (priv->status & STATUS_SECURITY_UPDATED)
queue_delayed_work(priv->workqueue, &priv->security_work, 0);
schedule_delayed_work(&priv->security_work, 0);
queue_delayed_work(priv->workqueue, &priv->wx_event_work, 0);
schedule_delayed_work(&priv->wx_event_work, 0);
}
static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
......@@ -2183,8 +2182,7 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
/* Make sure the RF Kill check timer is running */
priv->stop_rf_kill = 0;
cancel_delayed_work(&priv->rf_kill);
queue_delayed_work(priv->workqueue, &priv->rf_kill,
round_jiffies_relative(HZ));
schedule_delayed_work(&priv->rf_kill, round_jiffies_relative(HZ));
}
static void send_scan_event(void *data)
......@@ -2219,13 +2217,12 @@ static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
/* Only userspace-requested scan completion events go out immediately */
if (!priv->user_requested_scan) {
if (!delayed_work_pending(&priv->scan_event_later))
queue_delayed_work(priv->workqueue,
&priv->scan_event_later,
round_jiffies_relative(msecs_to_jiffies(4000)));
schedule_delayed_work(&priv->scan_event_later,
round_jiffies_relative(msecs_to_jiffies(4000)));
} else {
priv->user_requested_scan = 0;
cancel_delayed_work(&priv->scan_event_later);
queue_work(priv->workqueue, &priv->scan_event_now);
schedule_work(&priv->scan_event_now);
}
}
......@@ -4329,8 +4326,8 @@ static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio)
/* Make sure the RF_KILL check timer is running */
priv->stop_rf_kill = 0;
cancel_delayed_work(&priv->rf_kill);
queue_delayed_work(priv->workqueue, &priv->rf_kill,
round_jiffies_relative(HZ));
schedule_delayed_work(&priv->rf_kill,
round_jiffies_relative(HZ));
} else
schedule_reset(priv);
}
......@@ -4461,20 +4458,17 @@ static void bd_queue_initialize(struct ipw2100_priv *priv,
IPW_DEBUG_INFO("exit\n");
}
static void ipw2100_kill_workqueue(struct ipw2100_priv *priv)
static void ipw2100_kill_works(struct ipw2100_priv *priv)
{
if (priv->workqueue) {
priv->stop_rf_kill = 1;
priv->stop_hang_check = 1;
cancel_delayed_work(&priv->reset_work);
cancel_delayed_work(&priv->security_work);
cancel_delayed_work(&priv->wx_event_work);
cancel_delayed_work(&priv->hang_check);
cancel_delayed_work(&priv->rf_kill);
cancel_delayed_work(&priv->scan_event_later);
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
}
priv->stop_rf_kill = 1;
priv->stop_hang_check = 1;
cancel_delayed_work_sync(&priv->reset_work);
cancel_delayed_work_sync(&priv->security_work);
cancel_delayed_work_sync(&priv->wx_event_work);
cancel_delayed_work_sync(&priv->hang_check);
cancel_delayed_work_sync(&priv->rf_kill);
cancel_work_sync(&priv->scan_event_now);
cancel_delayed_work_sync(&priv->scan_event_later);
}
static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
......@@ -6046,7 +6040,7 @@ static void ipw2100_hang_check(struct work_struct *work)
priv->last_rtc = rtc;
if (!priv->stop_hang_check)
queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
schedule_delayed_work(&priv->hang_check, HZ / 2);
spin_unlock_irqrestore(&priv->low_lock, flags);
}
......@@ -6062,8 +6056,8 @@ static void ipw2100_rf_kill(struct work_struct *work)
if (rf_kill_active(priv)) {
IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
if (!priv->stop_rf_kill)
queue_delayed_work(priv->workqueue, &priv->rf_kill,
round_jiffies_relative(HZ));
schedule_delayed_work(&priv->rf_kill,
round_jiffies_relative(HZ));
goto exit_unlock;
}
......@@ -6209,8 +6203,6 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
INIT_LIST_HEAD(&priv->fw_pend_list);
INIT_STAT(&priv->fw_pend_stat);
priv->workqueue = create_workqueue(DRV_NAME);
INIT_DELAYED_WORK(&priv->reset_work, ipw2100_reset_adapter);
INIT_DELAYED_WORK(&priv->security_work, ipw2100_security_work);
INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work);
......@@ -6410,7 +6402,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
if (dev->irq)
free_irq(dev->irq, priv);
ipw2100_kill_workqueue(priv);
ipw2100_kill_works(priv);
/* These are safe to call even if they weren't allocated */
ipw2100_queues_free(priv);
......@@ -6460,9 +6452,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
* first, then close() will crash. */
unregister_netdev(dev);
/* ipw2100_down will ensure that there is no more pending work
* in the workqueue's, so we can safely remove them now. */
ipw2100_kill_workqueue(priv);
ipw2100_kill_works(priv);
ipw2100_queues_free(priv);
......
......@@ -580,7 +580,6 @@ struct ipw2100_priv {
struct tasklet_struct irq_tasklet;
struct workqueue_struct *workqueue;
struct delayed_work reset_work;
struct delayed_work security_work;
struct delayed_work wx_event_work;
......
......@@ -894,9 +894,8 @@ static void ipw_led_link_on(struct ipw_priv *priv)
/* If we aren't associated, schedule turning the LED off */
if (!(priv->status & STATUS_ASSOCIATED))
queue_delayed_work(priv->workqueue,
&priv->led_link_off,
LD_TIME_LINK_ON);
schedule_delayed_work(&priv->led_link_off,
LD_TIME_LINK_ON);
}
spin_unlock_irqrestore(&priv->lock, flags);
......@@ -939,8 +938,8 @@ static void ipw_led_link_off(struct ipw_priv *priv)
* turning the LED on (blink while unassociated) */
if (!(priv->status & STATUS_RF_KILL_MASK) &&
!(priv->status & STATUS_ASSOCIATED))
queue_delayed_work(priv->workqueue, &priv->led_link_on,
LD_TIME_LINK_OFF);
schedule_delayed_work(&priv->led_link_on,
LD_TIME_LINK_OFF);
}
......@@ -980,13 +979,11 @@ static void __ipw_led_activity_on(struct ipw_priv *priv)
priv->status |= STATUS_LED_ACT_ON;
cancel_delayed_work(&priv->led_act_off);
queue_delayed_work(priv->workqueue, &priv->led_act_off,
LD_TIME_ACT_ON);
schedule_delayed_work(&priv->led_act_off, LD_TIME_ACT_ON);
} else {
/* Reschedule LED off for full time period */
cancel_delayed_work(&priv->led_act_off);
queue_delayed_work(priv->workqueue, &priv->led_act_off,
LD_TIME_ACT_ON);
schedule_delayed_work(&priv->led_act_off, LD_TIME_ACT_ON);
}
}
......@@ -1795,13 +1792,11 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
if (disable_radio) {
priv->status |= STATUS_RF_KILL_SW;
if (priv->workqueue) {
cancel_delayed_work(&priv->request_scan);
cancel_delayed_work(&priv->request_direct_scan);
cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
}
queue_work(priv->workqueue, &priv->down);
cancel_delayed_work(&priv->request_scan);
cancel_delayed_work(&priv->request_direct_scan);
cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
schedule_work(&priv->down);
} else {
priv->status &= ~STATUS_RF_KILL_SW;
if (rf_kill_active(priv)) {
......@@ -1809,10 +1804,10 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
"disabled by HW switch\n");
/* Make sure the RF_KILL check timer is running */
cancel_delayed_work(&priv->rf_kill);
queue_delayed_work(priv->workqueue, &priv->rf_kill,
round_jiffies_relative(2 * HZ));
schedule_delayed_work(&priv->rf_kill,
round_jiffies_relative(2 * HZ));
} else
queue_work(priv->workqueue, &priv->up);
schedule_work(&priv->up);
}
return 1;
......@@ -2063,7 +2058,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
schedule_work(&priv->link_down);
queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
schedule_delayed_work(&priv->rf_kill, 2 * HZ);
handled |= IPW_INTA_BIT_RF_KILL_DONE;
}
......@@ -2103,7 +2098,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
priv->status &= ~STATUS_HCMD_ACTIVE;
wake_up_interruptible(&priv->wait_command_queue);
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
handled |= IPW_INTA_BIT_FATAL_ERROR;
}
......@@ -2323,11 +2318,6 @@ static int ipw_send_adapter_address(struct ipw_priv *priv, u8 * mac)
return ipw_send_cmd_pdu(priv, IPW_CMD_ADAPTER_ADDRESS, ETH_ALEN, mac);
}
/*
* NOTE: This must be executed from our workqueue as it results in udelay
* being called which may corrupt the keyboard if executed on default
* workqueue
*/
static void ipw_adapter_restart(void *adapter)
{
struct ipw_priv *priv = adapter;
......@@ -2368,13 +2358,13 @@ static void ipw_scan_check(void *data)
IPW_DEBUG_SCAN("Scan completion watchdog resetting "
"adapter after (%dms).\n",
jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG));
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
} else if (priv->status & STATUS_SCANNING) {
IPW_DEBUG_SCAN("Scan completion watchdog aborting scan "
"after (%dms).\n",
jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG));
ipw_abort_scan(priv);
queue_delayed_work(priv->workqueue, &priv->scan_check, HZ);
schedule_delayed_work(&priv->scan_check, HZ);
}
}
......@@ -3943,7 +3933,7 @@ static void ipw_send_disassociate(struct ipw_priv *priv, int quiet)
if (priv->status & STATUS_ASSOCIATING) {
IPW_DEBUG_ASSOC("Disassociating while associating.\n");
queue_work(priv->workqueue, &priv->disassociate);
schedule_work(&priv->disassociate);
return;
}
......@@ -4360,8 +4350,7 @@ static void ipw_gather_stats(struct ipw_priv *priv)
priv->quality = quality;
queue_delayed_work(priv->workqueue, &priv->gather_stats,
IPW_STATS_INTERVAL);
schedule_delayed_work(&priv->gather_stats, IPW_STATS_INTERVAL);
}
static void ipw_bg_gather_stats(struct work_struct *work)
......@@ -4396,10 +4385,10 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF |
IPW_DL_STATE,
"Aborting scan with missed beacon.\n");
queue_work(priv->workqueue, &priv->abort_scan);
schedule_work(&priv->abort_scan);
}
queue_work(priv->workqueue, &priv->disassociate);
schedule_work(&priv->disassociate);
return;
}
......@@ -4425,8 +4414,7 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
if (!(priv->status & STATUS_ROAMING)) {
priv->status |= STATUS_ROAMING;
if (!(priv->status & STATUS_SCANNING))
queue_delayed_work(priv->workqueue,
&priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
}
return;
}
......@@ -4439,7 +4427,7 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
* channels..) */
IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | IPW_DL_STATE,
"Aborting scan with missed beacon.\n");
queue_work(priv->workqueue, &priv->abort_scan);
schedule_work(&priv->abort_scan);
}
IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count);
......@@ -4462,8 +4450,8 @@ static void handle_scan_event(struct ipw_priv *priv)
/* Only userspace-requested scan completion events go out immediately */
if (!priv->user_requested_scan) {
if (!delayed_work_pending(&priv->scan_event))
queue_delayed_work(priv->workqueue, &priv->scan_event,
round_jiffies_relative(msecs_to_jiffies(4000)));
schedule_delayed_work(&priv->scan_event,
round_jiffies_relative(msecs_to_jiffies(4000)));
} else {
union iwreq_data wrqu;
......@@ -4516,20 +4504,17 @@ static void ipw_rx_notification(struct ipw_priv *priv,
IPW_DEBUG_ASSOC
("queueing adhoc check\n");
queue_delayed_work(priv->
workqueue,
&priv->
adhoc_check,
le16_to_cpu(priv->
assoc_request.
beacon_interval));
schedule_delayed_work(
&priv->adhoc_check,
le16_to_cpu(priv->
assoc_request.
beacon_interval));
break;
}
priv->status &= ~STATUS_ASSOCIATING;
priv->status |= STATUS_ASSOCIATED;
queue_work(priv->workqueue,
&priv->system_config);
schedule_work(&priv->system_config);
#ifdef CONFIG_IPW2200_QOS
#define IPW_GET_PACKET_STYPE(x) WLAN_FC_GET_STYPE( \
......@@ -4792,43 +4777,37 @@ static void ipw_rx_notification(struct ipw_priv *priv,
#ifdef CONFIG_IPW2200_MONITOR
if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
priv->status |= STATUS_SCAN_FORCED;
queue_delayed_work(priv->workqueue,
&priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
break;
}
priv->status &= ~STATUS_SCAN_FORCED;
#endif /* CONFIG_IPW2200_MONITOR */
/* Do queued direct scans first */
if (priv->status & STATUS_DIRECT_SCAN_PENDING) {
queue_delayed_work(priv->workqueue,
&priv->request_direct_scan, 0);
}
if (priv->status & STATUS_DIRECT_SCAN_PENDING)
schedule_delayed_work(&priv->request_direct_scan, 0);
if (!(priv->status & (STATUS_ASSOCIATED |
STATUS_ASSOCIATING |
STATUS_ROAMING |
STATUS_DISASSOCIATING)))
queue_work(priv->workqueue, &priv->associate);
schedule_work(&priv->associate);
else if (priv->status & STATUS_ROAMING) {
if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
/* If a scan completed and we are in roam mode, then
* the scan that completed was the one requested as a
* result of entering roam... so, schedule the
* roam work */
queue_work(priv->workqueue,
&priv->roam);
schedule_work(&priv->roam);
else
/* Don't schedule if we aborted the scan */
priv->status &= ~STATUS_ROAMING;
} else if (priv->status & STATUS_SCAN_PENDING)
queue_delayed_work(priv->workqueue,
&priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
else if (priv->config & CFG_BACKGROUND_SCAN
&& priv->status & STATUS_ASSOCIATED)
queue_delayed_work(priv->workqueue,
&priv->request_scan,
round_jiffies_relative(HZ));
schedule_delayed_work(&priv->request_scan,
round_jiffies_relative(HZ));
/* Send an empty event to user space.
* We don't send the received data on the event because
......@@ -5192,7 +5171,7 @@ static void ipw_rx_queue_restock(struct ipw_priv *priv)
/* If the pre-allocated buffer pool is dropping low, schedule to
* refill it */
if (rxq->free_count <= RX_LOW_WATERMARK)
queue_work(priv->workqueue, &priv->rx_replenish);
schedule_work(&priv->rx_replenish);
/* If we've added more space for the firmware to place data, tell it */
if (write != rxq->write)
......@@ -6133,8 +6112,8 @@ static void ipw_adhoc_check(void *data)
return;
}
queue_delayed_work(priv->workqueue, &priv->adhoc_check,
le16_to_cpu(priv->assoc_request.beacon_interval));
schedule_delayed_work(&priv->adhoc_check,
le16_to_cpu(priv->assoc_request.beacon_interval));
}
static void ipw_bg_adhoc_check(struct work_struct *work)
......@@ -6523,8 +6502,7 @@ static int ipw_request_scan_helper(struct ipw_priv *priv, int type, int direct)
} else
priv->status &= ~STATUS_SCAN_PENDING;
queue_delayed_work(priv->workqueue, &priv->scan_check,
IPW_SCAN_CHECK_WATCHDOG);
schedule_delayed_work(&priv->scan_check, IPW_SCAN_CHECK_WATCHDOG);
done:
mutex_unlock(&priv->mutex);
return err;
......@@ -6994,8 +6972,7 @@ static int ipw_qos_handle_probe_response(struct ipw_priv *priv,
!memcmp(network->ssid,
priv->assoc_network->ssid,
network->ssid_len)) {
queue_work(priv->workqueue,
&priv->merge_networks);
schedule_work(&priv->merge_networks);
}
}
......@@ -7663,7 +7640,7 @@ static int ipw_associate(void *data)
if (priv->status & STATUS_DISASSOCIATING) {
IPW_DEBUG_ASSOC("Not attempting association (in "
"disassociating)\n ");
queue_work(priv->workqueue, &priv->associate);
schedule_work(&priv->associate);
return 0;
}
......@@ -7731,12 +7708,10 @@ static int ipw_associate(void *data)
if (!(priv->status & STATUS_SCANNING)) {
if (!(priv->config & CFG_SPEED_SCAN))
queue_delayed_work(priv->workqueue,
&priv->request_scan,
SCAN_INTERVAL);
schedule_delayed_work(&priv->request_scan,
SCAN_INTERVAL);
else
queue_delayed_work(priv->workqueue,
&priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
}
return 0;
......@@ -8899,7 +8874,7 @@ static int ipw_wx_set_mode(struct net_device *dev,
priv->ieee->iw_mode = wrqu->mode;
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
mutex_unlock(&priv->mutex);
return err;
}
......@@ -9598,7 +9573,7 @@ static int ipw_wx_set_scan(struct net_device *dev,
IPW_DEBUG_WX("Start scan\n");
queue_delayed_work(priv->workqueue, work, 0);
schedule_delayed_work(work, 0);
return 0;
}
......@@ -9937,7 +9912,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
#else
priv->net_dev->type = ARPHRD_IEEE80211;
#endif
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
}
ipw_set_channel(priv, parms[1]);
......@@ -9947,7 +9922,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
return 0;
}
priv->net_dev->type = ARPHRD_ETHER;
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
}
mutex_unlock(&priv->mutex);
return 0;
......@@ -9961,7 +9936,7 @@ static int ipw_wx_reset(struct net_device *dev,
{
struct ipw_priv *priv = libipw_priv(dev);
IPW_DEBUG_WX("RESET\n");
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
return 0;
}
......@@ -10551,7 +10526,7 @@ static int ipw_net_set_mac_address(struct net_device *dev, void *p)
memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
printk(KERN_INFO "%s: Setting MAC to %pM\n",
priv->net_dev->name, priv->mac_addr);
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
mutex_unlock(&priv->mutex);
return 0;
}
......@@ -10684,9 +10659,7 @@ static void ipw_rf_kill(void *adapter)
if (rf_kill_active(priv)) {
IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
if (priv->workqueue)
queue_delayed_work(priv->workqueue,
&priv->rf_kill, 2 * HZ);
schedule_delayed_work(&priv->rf_kill, 2 * HZ);
goto exit_unlock;
}
......@@ -10697,7 +10670,7 @@ static void ipw_rf_kill(void *adapter)
"device\n");
/* we can not do an adapter restart while inside an irq lock */
queue_work(priv->workqueue, &priv->adapter_restart);
schedule_work(&priv->adapter_restart);
} else
IPW_DEBUG_RF_KILL("HW RF Kill deactivated. SW RF Kill still "
"enabled\n");
......@@ -10735,7 +10708,7 @@ static void ipw_link_up(struct ipw_priv *priv)
notify_wx_assoc_event(priv);
if (priv->config & CFG_BACKGROUND_SCAN)
queue_delayed_work(priv->workqueue, &priv->request_scan, HZ);
schedule_delayed_work(&priv->request_scan, HZ);
}
static void ipw_bg_link_up(struct work_struct *work)
......@@ -10764,7 +10737,7 @@ static void ipw_link_down(struct ipw_priv *priv)
if (!(priv->status & STATUS_EXIT_PENDING)) {
/* Queue up another scan... */
queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
} else
cancel_delayed_work(&priv->scan_event);
}
......@@ -10782,7 +10755,6 @@ static int __devinit ipw_setup_deferred_work(struct ipw_priv *priv)
{
int ret = 0;
priv->workqueue = create_workqueue(DRV_NAME);
init_waitqueue_head(&priv->wait_command_queue);
init_waitqueue_head(&priv->wait_state);
......@@ -11339,8 +11311,7 @@ static int ipw_up(struct ipw_priv *priv)
IPW_WARNING("Radio Frequency Kill Switch is On:\n"
"Kill switch must be turned off for "
"wireless networking to work.\n");
queue_delayed_work(priv->workqueue, &priv->rf_kill,
2 * HZ);
schedule_delayed_work(&priv->rf_kill, 2 * HZ);
return 0;
}
......@@ -11350,8 +11321,7 @@ static int ipw_up(struct ipw_priv *priv)
/* If configure to try and auto-associate, kick
* off a scan. */
queue_delayed_work(priv->workqueue,
&priv->request_scan, 0);
schedule_delayed_work(&priv->request_scan, 0);
return 0;
}
......@@ -11817,7 +11787,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
err = request_irq(pdev->irq, ipw_isr, IRQF_SHARED, DRV_NAME, priv);
if (err) {
IPW_ERROR("Error allocating IRQ %d\n", pdev->irq);
goto out_destroy_workqueue;
goto out_iounmap;
}
SET_NETDEV_DEV(net_dev, &pdev->dev);
......@@ -11885,9 +11855,6 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group);
out_release_irq:
free_irq(pdev->irq, priv);
out_destroy_workqueue:
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
out_iounmap:
iounmap(priv->hw_base);
out_pci_release_regions:
......@@ -11930,18 +11897,31 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev)
kfree(priv->cmdlog);
priv->cmdlog = NULL;
}
/* ipw_down will ensure that there is no more pending work
* in the workqueue's, so we can safely remove them now. */
cancel_delayed_work(&priv->adhoc_check);
cancel_delayed_work(&priv->gather_stats);
cancel_delayed_work(&priv->request_scan);
cancel_delayed_work(&priv->request_direct_scan);
cancel_delayed_work(&priv->request_passive_scan);
cancel_delayed_work(&priv->scan_event);
cancel_delayed_work(&priv->rf_kill);
<