iwlagn: don't use the PCI wrappers for DMA operation

Get a pointer to the struct device during probe and get the rid of all the PCI
specific DMA wrappers.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 13 insertions, 14 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index f982ac9b8ba2..fd8aee9972c1 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -128,7 +128,6 @@ 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 pci_dev *dev = priv->pci_dev;
 	int i;
 	int num_tbs;
 
@@ -143,15 +142,15 @@ static void iwlagn_unmap_tfd(struct iwl_priv *priv, struct iwl_cmd_meta *meta,
 
 	/* Unmap tx_cmd */
 	if (num_tbs)
-		pci_unmap_single(dev,
+		dma_unmap_single(priv->bus.dev,
 				dma_unmap_addr(meta, mapping),
 				dma_unmap_len(meta, len),
-				PCI_DMA_BIDIRECTIONAL);
+				DMA_BIDIRECTIONAL);
 
 	/* 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);
+		dma_unmap_single(priv->bus.dev, iwl_tfd_tb_get_addr(tfd, i),
+				iwl_tfd_tb_get_len(tfd, i), DMA_TO_DEVICE);
 }
 
 /**
@@ -310,10 +309,10 @@ 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_single(priv->bus.dev,
 					 dma_unmap_addr(&txq->meta[i], mapping),
 					 dma_unmap_len(&txq->meta[i], len),
-					 PCI_DMA_BIDIRECTIONAL);
+					 DMA_BIDIRECTIONAL);
 			txq->meta[i].flags = 0;
 		}
 
@@ -456,7 +455,7 @@ static int iwl_tx_queue_alloc(struct iwl_priv *priv,
 	txq->tfds = dma_alloc_coherent(dev, tfd_sz, &txq->q.dma_addr,
 				       GFP_KERNEL);
 	if (!txq->tfds) {
-		IWL_ERR(priv, "pci_alloc_consistent(%zd) failed\n", tfd_sz);
+		IWL_ERR(priv, "dma_alloc_coherent(%zd) failed\n", tfd_sz);
 		goto error;
 	}
 	txq->q.id = id;
@@ -677,9 +676,9 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 			le16_to_cpu(out_cmd->hdr.sequence), cmd_size,
 			q->write_ptr, idx, priv->cmd_queue);
 
-	phys_addr = pci_map_single(priv->pci_dev, &out_cmd->hdr,
-				   copy_size, PCI_DMA_BIDIRECTIONAL);
-	if (unlikely(pci_dma_mapping_error(priv->pci_dev, phys_addr))) {
+	phys_addr = dma_map_single(priv->bus.dev, &out_cmd->hdr, copy_size,
+				DMA_BIDIRECTIONAL);
+	if (unlikely(dma_mapping_error(priv->bus.dev, phys_addr))) {
 		idx = -ENOMEM;
 		goto out;
 	}
@@ -699,9 +698,9 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
 			continue;
 		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);
-		if (pci_dma_mapping_error(priv->pci_dev, phys_addr)) {
+		phys_addr = dma_map_single(priv->bus.dev, (void *)cmd->data[i],
+					   cmd->len[i], DMA_TO_DEVICE);
+		if (dma_mapping_error(priv->bus.dev, phys_addr)) {
 			iwlagn_unmap_tfd(priv, out_meta,
 					 &txq->tfds[q->write_ptr]);
 			idx = -ENOMEM;