bnx2x: use the DMA API instead of the pci equivalents

The DMA API is preferred.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Vladislav Zolotarov <vladz@broadcom.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 56 insertions, 54 deletions

diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c
index fa9275c2ef5c..63a17d604a98 100644
--- a/drivers/net/bnx2x_main.c
+++ b/drivers/net/bnx2x_main.c
@@ -842,7 +842,7 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
         /* unmap first bd */
         DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx);
         tx_start_bd = &fp->tx_desc_ring[bd_idx].start_bd;
-        pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_start_bd),
+        dma_unmap_single(&bp->pdev->dev, BD_UNMAP_ADDR(tx_start_bd),
                          BD_UNMAP_LEN(tx_start_bd), PCI_DMA_TODEVICE);
 
         nbd = le16_to_cpu(tx_start_bd->nbd) - 1;
@@ -872,8 +872,8 @@ static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 
                 DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx);
                 tx_data_bd = &fp->tx_desc_ring[bd_idx].reg_bd;
-                pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_data_bd),
-                               BD_UNMAP_LEN(tx_data_bd), PCI_DMA_TODEVICE);
+                dma_unmap_page(&bp->pdev->dev, BD_UNMAP_ADDR(tx_data_bd),
+                               BD_UNMAP_LEN(tx_data_bd), DMA_TO_DEVICE);
                 if (--nbd)
                         bd_idx = TX_BD(NEXT_TX_IDX(bd_idx));
         }
@@ -1086,7 +1086,7 @@ static inline void bnx2x_free_rx_sge(struct bnx2x *bp,
         if (!page)
                 return;
 
-        pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping),
+        dma_unmap_page(&bp->pdev->dev, dma_unmap_addr(sw_buf, mapping),
                        SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
         __free_pages(page, PAGES_PER_SGE_SHIFT);
 
@@ -1115,15 +1115,15 @@ static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp,
         if (unlikely(page == NULL))
                 return -ENOMEM;
 
-        mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE,
-                               PCI_DMA_FROMDEVICE);
+        mapping = dma_map_page(&bp->pdev->dev, page, 0,
+                               SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
                 __free_pages(page, PAGES_PER_SGE_SHIFT);
                 return -ENOMEM;
         }
 
         sw_buf->page = page;
-        pci_unmap_addr_set(sw_buf, mapping, mapping);
+        dma_unmap_addr_set(sw_buf, mapping, mapping);
 
         sge->addr_hi = cpu_to_le32(U64_HI(mapping));
         sge->addr_lo = cpu_to_le32(U64_LO(mapping));
@@ -1143,15 +1143,15 @@ static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp,
         if (unlikely(skb == NULL))
                 return -ENOMEM;
 
-        mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size,
-                                 PCI_DMA_FROMDEVICE);
+        mapping = dma_map_single(&bp->pdev->dev, skb->data, bp->rx_buf_size,
+                                 DMA_FROM_DEVICE);
         if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
                 dev_kfree_skb(skb);
                 return -ENOMEM;
         }
 
         rx_buf->skb = skb;
-        pci_unmap_addr_set(rx_buf, mapping, mapping);
+        dma_unmap_addr_set(rx_buf, mapping, mapping);
 
         rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
         rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
@@ -1173,13 +1173,13 @@ static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp,
         struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons];
         struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod];
 
-        pci_dma_sync_single_for_device(bp->pdev,
-                                       pci_unmap_addr(cons_rx_buf, mapping),
-                                       RX_COPY_THRESH, PCI_DMA_FROMDEVICE);
+        dma_sync_single_for_device(&bp->pdev->dev,
+                                   dma_unmap_addr(cons_rx_buf, mapping),
+                                   RX_COPY_THRESH, DMA_FROM_DEVICE);
 
         prod_rx_buf->skb = cons_rx_buf->skb;
-        pci_unmap_addr_set(prod_rx_buf, mapping,
-                           pci_unmap_addr(cons_rx_buf, mapping));
+        dma_unmap_addr_set(prod_rx_buf, mapping,
+                           dma_unmap_addr(cons_rx_buf, mapping));
         *prod_bd = *cons_bd;
 }
 
@@ -1283,9 +1283,9 @@ static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue,
 
         /* move empty skb from pool to prod and map it */
         prod_rx_buf->skb = fp->tpa_pool[queue].skb;
-        mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data,
-                                 bp->rx_buf_size, PCI_DMA_FROMDEVICE);
-        pci_unmap_addr_set(prod_rx_buf, mapping, mapping);
+        mapping = dma_map_single(&bp->pdev->dev, fp->tpa_pool[queue].skb->data,
+                                 bp->rx_buf_size, DMA_FROM_DEVICE);
+        dma_unmap_addr_set(prod_rx_buf, mapping, mapping);
 
         /* move partial skb from cons to pool (don't unmap yet) */
         fp->tpa_pool[queue] = *cons_rx_buf;
@@ -1361,8 +1361,9 @@ static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp,
                 }
 
                 /* Unmap the page as we r going to pass it to the stack */
-                pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping),
-                              SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE);
+                dma_unmap_page(&bp->pdev->dev,
+                               dma_unmap_addr(&old_rx_pg, mapping),
+                               SGE_PAGE_SIZE*PAGES_PER_SGE, DMA_FROM_DEVICE);
 
                 /* Add one frag and update the appropriate fields in the skb */
                 skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len);
@@ -1389,8 +1390,8 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
         /* Unmap skb in the pool anyway, as we are going to change
            pool entry status to BNX2X_TPA_STOP even if new skb allocation
            fails. */
-        pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping),
-                         bp->rx_buf_size, PCI_DMA_FROMDEVICE);
+        dma_unmap_single(&bp->pdev->dev, dma_unmap_addr(rx_buf, mapping),
+                         bp->rx_buf_size, DMA_FROM_DEVICE);
 
         if (likely(new_skb)) {
                 /* fix ip xsum and give it to the stack */
@@ -1620,10 +1621,10 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
                                 }
                         }
 
-                        pci_dma_sync_single_for_device(bp->pdev,
-                                        pci_unmap_addr(rx_buf, mapping),
-                                                       pad + RX_COPY_THRESH,
-                                                       PCI_DMA_FROMDEVICE);
+                        dma_sync_single_for_device(&bp->pdev->dev,
+                                        dma_unmap_addr(rx_buf, mapping),
+                                                   pad + RX_COPY_THRESH,
+                                                   DMA_FROM_DEVICE);
                         prefetch(skb);
                         prefetch(((char *)(skb)) + 128);
 
@@ -1665,10 +1666,10 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
 
                         } else
                         if (likely(bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0)) {
-                                pci_unmap_single(bp->pdev,
-                                        pci_unmap_addr(rx_buf, mapping),
+                                dma_unmap_single(&bp->pdev->dev,
+                                        dma_unmap_addr(rx_buf, mapping),
                                                  bp->rx_buf_size,
-                                                 PCI_DMA_FROMDEVICE);
+                                                 DMA_FROM_DEVICE);
                                 skb_reserve(skb, pad);
                                 skb_put(skb, len);
 
@@ -4940,9 +4941,9 @@ static inline void bnx2x_free_tpa_pool(struct bnx2x *bp,
                 }
 
                 if (fp->tpa_state[i] == BNX2X_TPA_START)
-                        pci_unmap_single(bp->pdev,
-                                         pci_unmap_addr(rx_buf, mapping),
-                                         bp->rx_buf_size, PCI_DMA_FROMDEVICE);
+                        dma_unmap_single(&bp->pdev->dev,
+                                         dma_unmap_addr(rx_buf, mapping),
+                                         bp->rx_buf_size, DMA_FROM_DEVICE);
 
                 dev_kfree_skb(skb);
                 rx_buf->skb = NULL;
@@ -4978,7 +4979,7 @@ static void bnx2x_init_rx_rings(struct bnx2x *bp)
                                         fp->disable_tpa = 1;
                                         break;
                                 }
-                                pci_unmap_addr_set((struct sw_rx_bd *)
+                                dma_unmap_addr_set((struct sw_rx_bd *)
                                                         &bp->fp->tpa_pool[i],
                                                    mapping, 0);
                                 fp->tpa_state[i] = BNX2X_TPA_STOP;
@@ -5658,8 +5659,8 @@ static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code)
 
 static int bnx2x_gunzip_init(struct bnx2x *bp)
 {
-        bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE,
-                                              &bp->gunzip_mapping);
+        bp->gunzip_buf = dma_alloc_coherent(&bp->pdev->dev, FW_BUF_SIZE,
+                                            &bp->gunzip_mapping, GFP_KERNEL);
         if (bp->gunzip_buf  == NULL)
                 goto gunzip_nomem1;
 
@@ -5679,8 +5680,8 @@ gunzip_nomem3:
         bp->strm = NULL;
 
 gunzip_nomem2:
-        pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
-                            bp->gunzip_mapping);
+        dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
+                          bp->gunzip_mapping);
         bp->gunzip_buf = NULL;
 
 gunzip_nomem1:
@@ -5696,8 +5697,8 @@ static void bnx2x_gunzip_end(struct bnx2x *bp)
         bp->strm = NULL;
 
         if (bp->gunzip_buf) {
-                pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf,
-                                    bp->gunzip_mapping);
+                dma_free_coherent(&bp->pdev->dev, FW_BUF_SIZE, bp->gunzip_buf,
+                                  bp->gunzip_mapping);
                 bp->gunzip_buf = NULL;
         }
 }
@@ -6692,7 +6693,7 @@ static void bnx2x_free_mem(struct bnx2x *bp)
 #define BNX2X_PCI_FREE(x, y, size) \
         do { \
                 if (x) { \
-                        pci_free_consistent(bp->pdev, size, x, y); \
+                        dma_free_coherent(&bp->pdev->dev, size, x, y); \
                         x = NULL; \
                         y = 0; \
                 } \
@@ -6773,7 +6774,7 @@ static int bnx2x_alloc_mem(struct bnx2x *bp)
 
 #define BNX2X_PCI_ALLOC(x, y, size) \
         do { \
-                x = pci_alloc_consistent(bp->pdev, size, y); \
+                x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
                 if (x == NULL) \
                         goto alloc_mem_err; \
                 memset(x, 0, size); \
@@ -6906,9 +6907,9 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp)
                         if (skb == NULL)
                                 continue;
 
-                        pci_unmap_single(bp->pdev,
-                                         pci_unmap_addr(rx_buf, mapping),
-                                         bp->rx_buf_size, PCI_DMA_FROMDEVICE);
+                        dma_unmap_single(&bp->pdev->dev,
+                                         dma_unmap_addr(rx_buf, mapping),
+                                         bp->rx_buf_size, DMA_FROM_DEVICE);
 
                         rx_buf->skb = NULL;
                         dev_kfree_skb(skb);
@@ -10269,8 +10270,8 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
 
         bd_prod = TX_BD(fp_tx->tx_bd_prod);
         tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd;
-        mapping = pci_map_single(bp->pdev, skb->data,
-                                 skb_headlen(skb), PCI_DMA_TODEVICE);
+        mapping = dma_map_single(&bp->pdev->dev, skb->data,
+                                 skb_headlen(skb), DMA_TO_DEVICE);
         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
         tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
@@ -11316,8 +11317,8 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 }
         }
 
-        mapping = pci_map_single(bp->pdev, skb->data,
-                                 skb_headlen(skb), PCI_DMA_TODEVICE);
+        mapping = dma_map_single(&bp->pdev->dev, skb->data,
+                                 skb_headlen(skb), DMA_TO_DEVICE);
 
         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
@@ -11374,8 +11375,9 @@ static netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 if (total_pkt_bd == NULL)
                         total_pkt_bd = &fp->tx_desc_ring[bd_prod].reg_bd;
 
-                mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset,
-                                       frag->size, PCI_DMA_TODEVICE);
+                mapping = dma_map_page(&bp->pdev->dev, frag->page,
+                                       frag->page_offset,
+                                       frag->size, DMA_TO_DEVICE);
 
                 tx_data_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
                 tx_data_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
@@ -11832,15 +11834,15 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev,
                 goto err_out_release;
         }
 
-        if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) == 0) {
+        if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)) == 0) {
                 bp->flags |= USING_DAC_FLAG;
-                if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64)) != 0) {
-                        pr_err("pci_set_consistent_dma_mask failed, aborting\n");
+                if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)) != 0) {
+                        pr_err("dma_set_coherent_mask failed, aborting\n");
                         rc = -EIO;
                         goto err_out_release;
                 }
 
-        } else if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) != 0) {
+        } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
                 pr_err("System does not support DMA, aborting\n");
                 rc = -EIO;
                 goto err_out_release;