Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/dlm

[pandora-kernel.git] / drivers / net / wireless / iwlwifi / iwl-tx.c

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 686e176..137dba9 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -126,7 +126,7 @@ static inline u8 iwl_tfd_get_num_tbs(struct iwl_tfd *tfd)
 }
 
 static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta,
-                            struct iwl_tfd *tfd)
+                            struct iwl_tfd *tfd, int dma_dir)
 {
        struct pci_dev *dev = priv->pci_dev;
        int i;
@@ -151,7 +151,7 @@ static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta,
        /* Unmap chunks, if any. */
        for (i = 1; i < num_tbs; i++)
                pci_unmap_single(dev, iwl_tfd_tb_get_addr(tfd, i),
-                               iwl_tfd_tb_get_len(tfd, i), PCI_DMA_TODEVICE);
+                               iwl_tfd_tb_get_len(tfd, i), dma_dir);
 }
 
 /**
@@ -167,7 +167,8 @@ void iwlagn_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
        struct iwl_tfd *tfd_tmp = txq->tfds;
        int index = txq->q.read_ptr;
 
-       iwlagn_unmap_tfd(priv, &txq->meta[index], &tfd_tmp[index]);
+       iwlagn_unmap_tfd(priv, &txq->meta[index], &tfd_tmp[index],
+                        PCI_DMA_TODEVICE);
 
        /* free SKB */
        if (txq->txb) {
@@ -310,9 +311,7 @@ void iwl_cmd_queue_unmap(struct iwl_priv *priv)
                i = get_cmd_index(q, q->read_ptr);
 
                if (txq->meta[i].flags & CMD_MAPPED) {
-                       pci_unmap_single(priv->pci_dev,
-                                        dma_unmap_addr(&txq->meta[i], mapping),
-                                        dma_unmap_len(&txq->meta[i], len),
+                       iwlagn_unmap_tfd(priv, &txq->meta[i], &txq->tfds[i],
                                         PCI_DMA_BIDIRECTIONAL);
                        txq->meta[i].flags = 0;
                }
@@ -535,12 +534,7 @@ out_free_arrays:
 void iwl_tx_queue_reset(struct iwl_priv *priv, struct iwl_tx_queue *txq,
                        int slots_num, u32 txq_id)
 {
-       int actual_slots = slots_num;
-
-       if (txq_id == priv->cmd_queue)
-               actual_slots++;
-
-       memset(txq->meta, 0, sizeof(struct iwl_cmd_meta) * actual_slots);
+       memset(txq->meta, 0, sizeof(struct iwl_cmd_meta) * slots_num);
 
        txq->need_update = 0;
 
@@ -700,10 +694,11 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
                if (!(cmd->dataflags[i] & IWL_HCMD_DFL_NOCOPY))
                        continue;
                phys_addr = pci_map_single(priv->pci_dev, (void *)cmd->data[i],
-                                          cmd->len[i], PCI_DMA_TODEVICE);
+                                          cmd->len[i], PCI_DMA_BIDIRECTIONAL);
                if (pci_dma_mapping_error(priv->pci_dev, phys_addr)) {
                        iwlagn_unmap_tfd(priv, out_meta,
-                                        &txq->tfds[q->write_ptr]);
+                                        &txq->tfds[q->write_ptr],
+                                        PCI_DMA_BIDIRECTIONAL);
                        idx = -ENOMEM;
                        goto out;
                }
@@ -807,7 +802,7 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
        cmd = txq->cmd[cmd_index];
        meta = &txq->meta[cmd_index];
 
-       iwlagn_unmap_tfd(priv, meta, &txq->tfds[index]);
+       iwlagn_unmap_tfd(priv, meta, &txq->tfds[index], PCI_DMA_BIDIRECTIONAL);
 
        /* Input error checking is done when commands are added to queue. */
        if (meta->flags & CMD_WANT_SKB) {