From 795414db8607a195541fe1a8f072021011b73386 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Sat, 18 Jun 2011 08:12:57 -0700 Subject: 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 Signed-off-by: Wey-Yi Guy --- drivers/net/wireless/iwlwifi/iwl-agn-tx.c | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-tx.c') 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)); } -- cgit v1.2.3