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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2011-06-18 08:12:57 -0700
committerWey-Yi Guy <wey-yi.w.guy@intel.com>2011-06-18 08:16:16 -0700
commit795414db8607a195541fe1a8f072021011b73386 (patch)
tree95f18811cd9ff87e926966b29bb9b8865b4e325d /drivers/net/wireless/iwlwifi
parent084dd79172cb3aad11d2b7ee5628d57badca7c6e (diff)
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>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-lib.c12
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-tx.c27
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c27
4 files changed, 36 insertions, 38 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
index 4c11edcb4e61..52da53997d4c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c
@@ -639,9 +639,9 @@ void iwlagn_rx_queue_reset(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
/* In the reset function, these buffers may have been allocated
* to an SKB, so we need to unmap and free potential storage */
if (rxq->pool[i].page != NULL) {
- pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+ dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma,
PAGE_SIZE << priv->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
__iwl_free_pages(priv, rxq->pool[i].page);
rxq->pool[i].page = NULL;
}
@@ -913,9 +913,9 @@ void iwlagn_rx_allocate(struct iwl_priv *priv, gfp_t priority)
BUG_ON(rxb->page);
rxb->page = page;
/* Get physical address of the RB */
- rxb->page_dma = pci_map_page(priv->pci_dev, page, 0,
+ rxb->page_dma = dma_map_page(priv->bus.dev, page, 0,
PAGE_SIZE << priv->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
/* dma address must be no more than 36 bits */
BUG_ON(rxb->page_dma & ~DMA_BIT_MASK(36));
/* and also 256 byte aligned! */
@@ -958,9 +958,9 @@ void iwlagn_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq)
int i;
for (i = 0; i < RX_QUEUE_SIZE + RX_FREE_BUFFERS; i++) {
if (rxq->pool[i].page != NULL) {
- pci_unmap_page(priv->pci_dev, rxq->pool[i].page_dma,
+ dma_unmap_page(priv->bus.dev, rxq->pool[i].page_dma,
PAGE_SIZE << priv->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
__iwl_free_pages(priv, rxq->pool[i].page);
rxq->pool[i].page = NULL;
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index f4e5edefd066..d0ac090399e9 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -716,10 +716,10 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
/* 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 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
* 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 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
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 @@ int iwlagn_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
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 @@ static inline void iwlagn_free_dma_ptr(struct iwl_priv *priv,
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));
}
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 72db1a9fab84..eeb31bcfc741 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -495,9 +495,9 @@ static void iwl_rx_handle(struct iwl_priv *priv)
rxq->queue[i] = NULL;
- pci_unmap_page(priv->pci_dev, rxb->page_dma,
+ dma_unmap_page(priv->bus.dev, rxb->page_dma,
PAGE_SIZE << priv->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
pkt = rxb_addr(rxb);
len = le32_to_cpu(pkt->len_n_flags) & FH_RSCSR_FRAME_SIZE_MSK;
@@ -579,9 +579,9 @@ static void iwl_rx_handle(struct iwl_priv *priv)
* rx_free list for reuse later. */
spin_lock_irqsave(&rxq->lock, flags);
if (rxb->page != NULL) {
- rxb->page_dma = pci_map_page(priv->pci_dev, rxb->page,
+ rxb->page_dma = dma_map_page(priv->bus.dev, rxb->page,
0, PAGE_SIZE << priv->hw_params.rx_page_order,
- PCI_DMA_FROMDEVICE);
+ DMA_FROM_DEVICE);
list_add_tail(&rxb->list, &rxq->rx_free);
rxq->free_count++;
} else
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;