1 files changed, 64 insertions, 55 deletions

diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c
index e23f2f172bd7..098f886976f6 100644
--- a/drivers/net/wireless/b43/dma.c
+++ b/drivers/net/wireless/b43/dma.c
@@ -328,11 +328,11 @@ static inline
         dma_addr_t dmaaddr;
 
         if (tx) {
-                dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
-                                         buf, len, DMA_TO_DEVICE);
+                dmaaddr = ssb_dma_map_single(ring->dev->dev,
+                                             buf, len, DMA_TO_DEVICE);
         } else {
-                dmaaddr = dma_map_single(ring->dev->dev->dma_dev,
-                                         buf, len, DMA_FROM_DEVICE);
+                dmaaddr = ssb_dma_map_single(ring->dev->dev,
+                                             buf, len, DMA_FROM_DEVICE);
         }
 
         return dmaaddr;
@@ -343,11 +343,11 @@ static inline
                           dma_addr_t addr, size_t len, int tx)
 {
         if (tx) {
-                dma_unmap_single(ring->dev->dev->dma_dev,
-                                 addr, len, DMA_TO_DEVICE);
+                ssb_dma_unmap_single(ring->dev->dev,
+                                     addr, len, DMA_TO_DEVICE);
         } else {
-                dma_unmap_single(ring->dev->dev->dma_dev,
-                                 addr, len, DMA_FROM_DEVICE);
+                ssb_dma_unmap_single(ring->dev->dev,
+                                     addr, len, DMA_FROM_DEVICE);
         }
 }
 
@@ -356,8 +356,8 @@ static inline
                                  dma_addr_t addr, size_t len)
 {
         B43_WARN_ON(ring->tx);
-        dma_sync_single_for_cpu(ring->dev->dev->dma_dev,
-                                addr, len, DMA_FROM_DEVICE);
+        ssb_dma_sync_single_for_cpu(ring->dev->dev,
+                                    addr, len, DMA_FROM_DEVICE);
 }
 
 static inline
@@ -365,8 +365,8 @@ static inline
                                     dma_addr_t addr, size_t len)
 {
         B43_WARN_ON(ring->tx);
-        dma_sync_single_for_device(ring->dev->dev->dma_dev,
-                                   addr, len, DMA_FROM_DEVICE);
+        ssb_dma_sync_single_for_device(ring->dev->dev,
+                                       addr, len, DMA_FROM_DEVICE);
 }
 
 static inline
@@ -381,7 +381,6 @@ static inline
 
 static int alloc_ringmemory(struct b43_dmaring *ring)
 {
-        struct device *dma_dev = ring->dev->dev->dma_dev;
         gfp_t flags = GFP_KERNEL;
 
         /* The specs call for 4K buffers for 30- and 32-bit DMA with 4K
@@ -392,11 +391,14 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
          * For unknown reasons - possibly a hardware error - the BCM4311 rev
          * 02, which uses 64-bit DMA, needs the ring buffer in very low memory,
          * which accounts for the GFP_DMA flag below.
+         *
+         * The flags here must match the flags in free_ringmemory below!
          */
         if (ring->type == B43_DMA_64BIT)
                 flags |= GFP_DMA;
-        ring->descbase = dma_alloc_coherent(dma_dev, B43_DMA_RINGMEMSIZE,
-                                            &(ring->dmabase), flags);
+        ring->descbase = ssb_dma_alloc_consistent(ring->dev->dev,
+                                                  B43_DMA_RINGMEMSIZE,
+                                                  &(ring->dmabase), flags);
         if (!ring->descbase) {
                 b43err(ring->dev->wl, "DMA ringmemory allocation failed\n");
                 return -ENOMEM;
@@ -408,10 +410,13 @@ static int alloc_ringmemory(struct b43_dmaring *ring)
 
 static void free_ringmemory(struct b43_dmaring *ring)
 {
-        struct device *dma_dev = ring->dev->dev->dma_dev;
+        gfp_t flags = GFP_KERNEL;
+
+        if (ring->type == B43_DMA_64BIT)
+                flags |= GFP_DMA;
 
-        dma_free_coherent(dma_dev, B43_DMA_RINGMEMSIZE,
-                          ring->descbase, ring->dmabase);
+        ssb_dma_free_consistent(ring->dev->dev, B43_DMA_RINGMEMSIZE,
+                                ring->descbase, ring->dmabase, flags);
 }
 
 /* Reset the RX DMA channel */
@@ -518,7 +523,7 @@ static bool b43_dma_mapping_error(struct b43_dmaring *ring,
                                   dma_addr_t addr,
                                   size_t buffersize, bool dma_to_device)
 {
-        if (unlikely(dma_mapping_error(addr)))
+        if (unlikely(ssb_dma_mapping_error(ring->dev->dev, addr)))
                 return 1;
 
         switch (ring->type) {
@@ -844,10 +849,10 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         goto err_kfree_meta;
 
                 /* test for ability to dma to txhdr_cache */
-                dma_test = dma_map_single(dev->dev->dma_dev,
-                                          ring->txhdr_cache,
-                                          b43_txhdr_size(dev),
-                                          DMA_TO_DEVICE);
+                dma_test = ssb_dma_map_single(dev->dev,
+                                              ring->txhdr_cache,
+                                              b43_txhdr_size(dev),
+                                              DMA_TO_DEVICE);
 
                 if (b43_dma_mapping_error(ring, dma_test,
                                           b43_txhdr_size(dev), 1)) {
@@ -859,10 +864,10 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         if (!ring->txhdr_cache)
                                 goto err_kfree_meta;
 
-                        dma_test = dma_map_single(dev->dev->dma_dev,
-                                                  ring->txhdr_cache,
-                                                  b43_txhdr_size(dev),
-                                                  DMA_TO_DEVICE);
+                        dma_test = ssb_dma_map_single(dev->dev,
+                                                      ring->txhdr_cache,
+                                                      b43_txhdr_size(dev),
+                                                      DMA_TO_DEVICE);
 
                         if (b43_dma_mapping_error(ring, dma_test,
                                                   b43_txhdr_size(dev), 1)) {
@@ -873,9 +878,9 @@ struct b43_dmaring *b43_setup_dmaring(struct b43_wldev *dev,
                         }
                 }
 
-                dma_unmap_single(dev->dev->dma_dev,
-                                 dma_test, b43_txhdr_size(dev),
-                                 DMA_TO_DEVICE);
+                ssb_dma_unmap_single(dev->dev,
+                                     dma_test, b43_txhdr_size(dev),
+                                     DMA_TO_DEVICE);
         }
 
         err = alloc_ringmemory(ring);
@@ -1130,10 +1135,10 @@ struct b43_dmaring *parse_cookie(struct b43_wldev *dev, u16 cookie, int *slot)
 }
 
 static int dma_tx_fragment(struct b43_dmaring *ring,
-                           struct sk_buff *skb,
-                           struct ieee80211_tx_control *ctl)
+                           struct sk_buff *skb)
 {
         const struct b43_dma_ops *ops = ring->ops;
+        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         u8 *header;
         int slot, old_top_slot, old_used_slots;
         int err;
@@ -1157,7 +1162,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
         header = &(ring->txhdr_cache[slot * hdrsize]);
         cookie = generate_cookie(ring, slot);
         err = b43_generate_txhdr(ring->dev, header,
-                                 skb->data, skb->len, ctl, cookie);
+                                 skb->data, skb->len, info, cookie);
         if (unlikely(err)) {
                 ring->current_slot = old_top_slot;
                 ring->used_slots = old_used_slots;
@@ -1179,7 +1184,6 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
         desc = ops->idx2desc(ring, slot, &meta);
         memset(meta, 0, sizeof(*meta));
 
-        memcpy(&meta->txstat.control, ctl, sizeof(*ctl));
         meta->skb = skb;
         meta->is_last_fragment = 1;
 
@@ -1209,7 +1213,7 @@ static int dma_tx_fragment(struct b43_dmaring *ring,
 
         ops->fill_descriptor(ring, desc, meta->dmaaddr, skb->len, 0, 1, 1);
 
-        if (ctl->flags & IEEE80211_TXCTL_SEND_AFTER_DTIM) {
+        if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
                 /* Tell the firmware about the cookie of the last
                  * mcast frame, so it can clear the more-data bit in it. */
                 b43_shm_write16(ring->dev, B43_SHM_SHARED,
@@ -1280,16 +1284,16 @@ static struct b43_dmaring * select_ring_by_priority(struct b43_wldev *dev,
         return ring;
 }
 
-int b43_dma_tx(struct b43_wldev *dev,
-               struct sk_buff *skb, struct ieee80211_tx_control *ctl)
+int b43_dma_tx(struct b43_wldev *dev, struct sk_buff *skb)
 {
         struct b43_dmaring *ring;
         struct ieee80211_hdr *hdr;
         int err = 0;
         unsigned long flags;
+        struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
 
         hdr = (struct ieee80211_hdr *)skb->data;
-        if (ctl->flags & IEEE80211_TXCTL_SEND_AFTER_DTIM) {
+        if (info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM) {
                 /* The multicast ring will be sent after the DTIM */
                 ring = dev->dma.tx_ring_mcast;
                 /* Set the more-data bit. Ucode will clear it on
@@ -1297,7 +1301,8 @@ int b43_dma_tx(struct b43_wldev *dev,
                 hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_MOREDATA);
         } else {
                 /* Decide by priority where to put this frame. */
-                ring = select_ring_by_priority(dev, ctl->queue);
+                ring = select_ring_by_priority(
+                        dev, skb_get_queue_mapping(skb));
         }
 
         spin_lock_irqsave(&ring->lock, flags);
@@ -1315,9 +1320,9 @@ int b43_dma_tx(struct b43_wldev *dev,
         /* Assign the queue number to the ring (if not already done before)
          * so TX status handling can use it. The queue to ring mapping is
          * static, so we don't need to store it per frame. */
-        ring->queue_prio = ctl->queue;
+        ring->queue_prio = skb_get_queue_mapping(skb);
 
-        err = dma_tx_fragment(ring, skb, ctl);
+        err = dma_tx_fragment(ring, skb);
         if (unlikely(err == -ENOKEY)) {
                 /* Drop this packet, as we don't have the encryption key
                  * anymore and must not transmit it unencrypted. */
@@ -1333,7 +1338,7 @@ int b43_dma_tx(struct b43_wldev *dev,
         if ((free_slots(ring) < SLOTS_PER_PACKET) ||
             should_inject_overflow(ring)) {
                 /* This TX ring is full. */
-                ieee80211_stop_queue(dev->wl->hw, ctl->queue);
+                ieee80211_stop_queue(dev->wl->hw, skb_get_queue_mapping(skb));
                 ring->stopped = 1;
                 if (b43_debug(dev, B43_DBG_DMAVERBOSE)) {
                         b43dbg(dev->wl, "Stopped TX ring %d\n", ring->index);
@@ -1376,13 +1381,19 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
                                          b43_txhdr_size(dev), 1);
 
                 if (meta->is_last_fragment) {
-                        B43_WARN_ON(!meta->skb);
-                        /* Call back to inform the ieee80211 subsystem about the
-                         * status of the transmission.
-                         * Some fields of txstat are already filled in dma_tx().
+                        struct ieee80211_tx_info *info;
+
+                        BUG_ON(!meta->skb);
+
+                        info = IEEE80211_SKB_CB(meta->skb);
+
+                        memset(&info->status, 0, sizeof(info->status));
+
+                        /*
+                         * Call back to inform the ieee80211 subsystem about
+                         * the status of the transmission.
                          */
-                        frame_succeed = b43_fill_txstatus_report(
-                                                &(meta->txstat), status);
+                        frame_succeed = b43_fill_txstatus_report(info, status);
 #ifdef CONFIG_B43_DEBUG
                         if (frame_succeed)
                                 ring->nr_succeed_tx_packets++;
@@ -1390,8 +1401,8 @@ void b43_dma_handle_txstatus(struct b43_wldev *dev,
                                 ring->nr_failed_tx_packets++;
                         ring->nr_total_packet_tries += status->frame_count;
 #endif /* DEBUG */
-                        ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb,
-                                                    &(meta->txstat));
+                        ieee80211_tx_status_irqsafe(dev->wl->hw, meta->skb);
+
                         /* skb is freed by ieee80211_tx_status_irqsafe() */
                         meta->skb = NULL;
                 } else {
@@ -1426,18 +1437,16 @@ void b43_dma_get_tx_stats(struct b43_wldev *dev,
 {
         const int nr_queues = dev->wl->hw->queues;
         struct b43_dmaring *ring;
-        struct ieee80211_tx_queue_stats_data *data;
         unsigned long flags;
         int i;
 
         for (i = 0; i < nr_queues; i++) {
-                data = &(stats->data[i]);
                 ring = select_ring_by_priority(dev, i);
 
                 spin_lock_irqsave(&ring->lock, flags);
-                data->len = ring->used_slots / SLOTS_PER_PACKET;
-                data->limit = ring->nr_slots / SLOTS_PER_PACKET;
-                data->count = ring->nr_tx_packets;
+                stats[i].len = ring->used_slots / SLOTS_PER_PACKET;
+                stats[i].limit = ring->nr_slots / SLOTS_PER_PACKET;
+                stats[i].count = ring->nr_tx_packets;
                 spin_unlock_irqrestore(&ring->lock, flags);
         }
 }