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-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index f982ac9..fd8aee9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -128,7 +128,6 @@
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 @@
/* 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 @@
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 @@
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 @@
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 @@
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;