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Commit fb65f180 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6

parents ab59859d 61c2b682
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+4 −0
Original line number Diff line number Diff line
@@ -691,6 +691,10 @@ struct b43_wl {

	struct mutex mutex;
	spinlock_t irq_lock;
	/* R/W lock for data transmission.
	 * Transmissions on 2+ queues can run concurrently, but somebody else
	 * might sync with TX by write_lock_irqsave()'ing. */
	rwlock_t tx_lock;
	/* Lock for LEDs access. */
	spinlock_t leds_lock;
	/* Lock for SHM access. */
+29 −14
Original line number Diff line number Diff line
@@ -729,6 +729,7 @@ static void b43_synchronize_irq(struct b43_wldev *dev)
 */
void b43_dummy_transmission(struct b43_wldev *dev)
{
	struct b43_wl *wl = dev->wl;
	struct b43_phy *phy = &dev->phy;
	unsigned int i, max_loop;
	u16 value;
@@ -755,6 +756,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
		return;
	}

	spin_lock_irq(&wl->irq_lock);
	write_lock(&wl->tx_lock);

	for (i = 0; i < 5; i++)
		b43_ram_write(dev, i * 4, buffer[i]);

@@ -795,6 +799,9 @@ void b43_dummy_transmission(struct b43_wldev *dev)
	}
	if (phy->radio_ver == 0x2050 && phy->radio_rev <= 0x5)
		b43_radio_write16(dev, 0x0051, 0x0037);

	write_unlock(&wl->tx_lock);
	spin_unlock_irq(&wl->irq_lock);
}

static void key_write(struct b43_wldev *dev,
@@ -2840,24 +2847,31 @@ static int b43_op_tx(struct ieee80211_hw *hw,
{
	struct b43_wl *wl = hw_to_b43_wl(hw);
	struct b43_wldev *dev = wl->current_dev;
	int err = -ENODEV;
	unsigned long flags;
	int err;

	if (unlikely(skb->len < 2 + 2 + 6)) {
		/* Too short, this can't be a valid frame. */
		return -EINVAL;
		dev_kfree_skb_any(skb);
		return NETDEV_TX_OK;
	}
	B43_WARN_ON(skb_shinfo(skb)->nr_frags);

	if (unlikely(!dev))
		goto out;
	if (unlikely(b43_status(dev) < B43_STAT_STARTED))
		goto out;
	/* TX is done without a global lock. */
		return NETDEV_TX_BUSY;

	/* Transmissions on seperate queues can run concurrently. */
	read_lock_irqsave(&wl->tx_lock, flags);

	err = -ENODEV;
	if (likely(b43_status(dev) >= B43_STAT_STARTED)) {
		if (b43_using_pio_transfers(dev))
			err = b43_pio_tx(dev, skb, ctl);
		else
			err = b43_dma_tx(dev, skb, ctl);
out:
	}

	read_unlock_irqrestore(&wl->tx_lock, flags);

	if (unlikely(err))
		return NETDEV_TX_BUSY;
	return NETDEV_TX_OK;
@@ -3476,7 +3490,9 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
	spin_unlock_irqrestore(&wl->irq_lock, flags);
	b43_synchronize_irq(dev);

	write_lock_irqsave(&wl->tx_lock, flags);
	b43_set_status(dev, B43_STAT_INITIALIZED);
	write_unlock_irqrestore(&wl->tx_lock, flags);

	b43_pio_stop(dev);
	mutex_unlock(&wl->mutex);
@@ -3485,8 +3501,6 @@ static void b43_wireless_core_stop(struct b43_wldev *dev)
	cancel_delayed_work_sync(&dev->periodic_work);
	mutex_lock(&wl->mutex);

	ieee80211_stop_queues(wl->hw);	//FIXME this could cause a deadlock, as mac80211 seems buggy.

	b43_mac_suspend(dev);
	free_irq(dev->dev->irq, dev);
	b43dbg(wl, "Wireless interface stopped\n");
@@ -4498,6 +4512,7 @@ static int b43_wireless_init(struct ssb_device *dev)
	memset(wl, 0, sizeof(*wl));
	wl->hw = hw;
	spin_lock_init(&wl->irq_lock);
	rwlock_init(&wl->tx_lock);
	spin_lock_init(&wl->leds_lock);
	spin_lock_init(&wl->shm_lock);
	mutex_init(&wl->mutex);
+0 −1
Original line number Diff line number Diff line
@@ -742,7 +742,6 @@ struct iwl3945_priv {
	u8 direct_ssid_len;
	u8 direct_ssid[IW_ESSID_MAX_SIZE];
	struct iwl3945_scan_cmd *scan;
	u8 only_active_channel;

	/* spinlock */
	spinlock_t lock;	/* protect general shared data */
+0 −1
Original line number Diff line number Diff line
@@ -996,7 +996,6 @@ struct iwl_priv {
	u8 direct_ssid_len;
	u8 direct_ssid[IW_ESSID_MAX_SIZE];
	struct iwl4965_scan_cmd *scan;
	u8 only_active_channel;

	/* spinlock */
	spinlock_t lock;	/* protect general shared data */
+8 −21
Original line number Diff line number Diff line
@@ -4968,17 +4968,6 @@ static int iwl3945_get_channels_for_scan(struct iwl3945_priv *priv,
		if (channels[i].flags & IEEE80211_CHAN_DISABLED)
			continue;

		if (channels[i].hw_value ==
		    le16_to_cpu(priv->active_rxon.channel)) {
			if (iwl3945_is_associated(priv)) {
				IWL_DEBUG_SCAN
				    ("Skipping current channel %d\n",
				     le16_to_cpu(priv->active_rxon.channel));
				continue;
			}
		} else if (priv->only_active_channel)
			continue;

		scan_ch->channel = channels[i].hw_value;

		ch_info = iwl3945_get_channel_info(priv, band, scan_ch->channel);
@@ -6303,12 +6292,17 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
		       priv->direct_ssid, priv->direct_ssid_len);
		direct_mask = 1;
	} else if (!iwl3945_is_associated(priv) && priv->essid_len) {
		IWL_DEBUG_SCAN
		  ("Kicking off one direct scan for '%s' when not associated\n",
		   iwl3945_escape_essid(priv->essid, priv->essid_len));
		scan->direct_scan[0].id = WLAN_EID_SSID;
		scan->direct_scan[0].len = priv->essid_len;
		memcpy(scan->direct_scan[0].ssid, priv->essid, priv->essid_len);
		direct_mask = 1;
	} else
	} else {
		IWL_DEBUG_SCAN("Kicking off one indirect scan.\n");
		direct_mask = 0;
	}

	/* We don't build a direct scan probe request; the uCode will do
	 * that based on the direct_mask added to each channel entry */
@@ -6346,23 +6340,18 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR)
		scan->filter_flags = RXON_FILTER_PROMISC_MSK;

	if (direct_mask) {
		IWL_DEBUG_SCAN
		    ("Initiating direct scan for %s.\n",
		     iwl3945_escape_essid(priv->essid, priv->essid_len));
	if (direct_mask)
		scan->channel_count =
			iwl3945_get_channels_for_scan(
				priv, band, 1, /* active */
				direct_mask,
				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
	} else {
		IWL_DEBUG_SCAN("Initiating indirect scan.\n");
	else
		scan->channel_count =
			iwl3945_get_channels_for_scan(
				priv, band, 0, /* passive */
				direct_mask,
				(void *)&scan->data[le16_to_cpu(scan->tx_cmd.len)]);
	}

	cmd.len += le16_to_cpu(scan->tx_cmd.len) +
	    scan->channel_count * sizeof(struct iwl3945_scan_channel);
@@ -7314,8 +7303,6 @@ static void iwl3945_mac_reset_tsf(struct ieee80211_hw *hw)
		return;
	}

	priv->only_active_channel = 0;

	iwl3945_set_rate(priv);

	mutex_unlock(&priv->mutex);
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