Merge remote branch 'wireless-next/master' into ath6kl-next

[cascardo/linux.git] / drivers / net / wireless / b43 / dma.c

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index 5e45604..b5f1b91 100644 (file)
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -890,7 +890,7 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
        else
                ring->ops = &dma32_ops;
        if (for_tx) {
-               ring->tx = 1;
+               ring->tx = true;
                ring->current_slot = -1;
        } else {
                if (ring->index == 0) {
@@ -1061,7 +1061,7 @@ void b43_dma_free(struct b43_wldev *dev)
 static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
 {
        u64 orig_mask = mask;
-       bool fallback = 0;
+       bool fallback = false;
        int err;
 
        /* Try to set the DMA mask. If it fails, try falling back to a
@@ -1075,12 +1075,12 @@ static int b43_dma_set_mask(struct b43_wldev *dev, u64 mask)
                }
                if (mask == DMA_BIT_MASK(64)) {
                        mask = DMA_BIT_MASK(32);
-                       fallback = 1;
+                       fallback = true;
                        continue;
                }
                if (mask == DMA_BIT_MASK(32)) {
                        mask = DMA_BIT_MASK(30);
-                       fallback = 1;
+                       fallback = true;
                        continue;
                }
                b43err(dev->wl, "The machine/kernel does not support "
@@ -1307,7 +1307,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
        memset(meta, 0, sizeof(*meta));
 
        meta->skb = skb;
-       meta->is_last_fragment = 1;
+       meta->is_last_fragment = true;
        priv_info->bouncebuffer = NULL;
 
        meta->dmaaddr = map_descbuffer(ring, skb->data, skb->len, 1);
@@ -1465,8 +1465,10 @@ int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
        if ((free_slots(ring) < TX_SLOTS_PER_FRAME) ||
            should_inject_overflow(ring)) {
                /* This TX ring is full. */
-               ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
-               ring->stopped = 1;
+               unsigned int skb_mapping = skb_get_queue_mapping(skb);
+               ieee80211_stop_queue(dev->wl->hw, skb_mapping);
+               dev->wl->tx_queue_stopped[skb_mapping] = 1;
+               ring->stopped = true;
                if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
                        b43dbg(dev->wl, "Stopped TX ring %d\n", ring->index);
                }
@@ -1584,12 +1586,21 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
        }
        if (ring->stopped) {
                B43_WARN_ON(free_slots(ring) < TX_SLOTS_PER_FRAME);
+               ring->stopped = false;
+       }
+
+       if (dev->wl->tx_queue_stopped[ring->queue_prio]) {
+               dev->wl->tx_queue_stopped[ring->queue_prio] = 0;
+       } else {
+               /* If the driver queue is running wake the corresponding
+                * mac80211 queue. */
                ieee80211_wake_queue(dev->wl->hw, ring->queue_prio);
-               ring->stopped = 0;
                if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
                        b43dbg(dev->wl, "Woke up TX ring %d\n", ring->index);
                }
        }
+       /* Add work to the queue. */
+       ieee80211_queue_work(dev->wl->hw, &dev->wl->tx_work);
 }
 
 static void dma_rx(struct b43_dmaring *ring, int *slot)