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>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index f4e5ede..d0ac090 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -716,10 +716,10 @@
/* Physical address of this Tx command's header (not MAC header!),
* within command buffer array. */
- txcmd_phys = pci_map_single(priv->pci_dev,
+ txcmd_phys = dma_map_single(priv->bus.dev,
&out_cmd->hdr, firstlen,
- PCI_DMA_BIDIRECTIONAL);
- if (unlikely(pci_dma_mapping_error(priv->pci_dev, txcmd_phys)))
+ DMA_BIDIRECTIONAL);
+ if (unlikely(dma_mapping_error(priv->bus.dev, txcmd_phys)))
goto drop_unlock_sta;
dma_unmap_addr_set(out_meta, mapping, txcmd_phys);
dma_unmap_len_set(out_meta, len, firstlen);
@@ -735,13 +735,13 @@
* if any (802.11 null frames have no payload). */
secondlen = skb->len - hdr_len;
if (secondlen > 0) {
- phys_addr = pci_map_single(priv->pci_dev, skb->data + hdr_len,
- secondlen, PCI_DMA_TODEVICE);
- if (unlikely(pci_dma_mapping_error(priv->pci_dev, phys_addr))) {
- pci_unmap_single(priv->pci_dev,
+ phys_addr = dma_map_single(priv->bus.dev, skb->data + hdr_len,
+ secondlen, DMA_TO_DEVICE);
+ if (unlikely(dma_mapping_error(priv->bus.dev, phys_addr))) {
+ dma_unmap_single(priv->bus.dev,
dma_unmap_addr(out_meta, mapping),
dma_unmap_len(out_meta, len),
- PCI_DMA_BIDIRECTIONAL);
+ DMA_BIDIRECTIONAL);
goto drop_unlock_sta;
}
}
@@ -764,8 +764,8 @@
offsetof(struct iwl_tx_cmd, scratch);
/* take back ownership of DMA buffer to enable update */
- pci_dma_sync_single_for_cpu(priv->pci_dev, txcmd_phys,
- firstlen, PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_cpu(priv->bus.dev, txcmd_phys, firstlen,
+ DMA_BIDIRECTIONAL);
tx_cmd->dram_lsb_ptr = cpu_to_le32(scratch_phys);
tx_cmd->dram_msb_ptr = iwl_get_dma_hi_addr(scratch_phys);
@@ -780,8 +780,8 @@
iwlagn_txq_update_byte_cnt_tbl(priv, txq,
le16_to_cpu(tx_cmd->len));
- pci_dma_sync_single_for_device(priv->pci_dev, txcmd_phys,
- firstlen, PCI_DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(priv->bus.dev, txcmd_phys, firstlen,
+ DMA_BIDIRECTIONAL);
trace_iwlwifi_dev_tx(priv,
&((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr],
@@ -848,8 +848,7 @@
if (unlikely(!ptr->addr))
return;
- dma_free_coherent(priv->bus.dev,
- ptr->size, ptr->addr, ptr->dma);
+ dma_free_coherent(priv->bus.dev, ptr->size, ptr->addr, ptr->dma);
memset(ptr, 0, sizeof(*ptr));
}