diff options
Diffstat (limited to 'drivers/net/b44.c')
| -rw-r--r-- | drivers/net/b44.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/net/b44.c b/drivers/net/b44.c index 5ff7882297d..879a2fff474 100644 --- a/drivers/net/b44.c +++ b/drivers/net/b44.c @@ -59,7 +59,6 @@ #define B44_DEF_TX_RING_PENDING (B44_TX_RING_SIZE - 1) #define B44_TX_RING_BYTES (sizeof(struct dma_desc) * \ B44_TX_RING_SIZE) -#define B44_DMA_MASK 0x3fffffff #define TX_RING_GAP(BP) \ (B44_TX_RING_SIZE - (BP)->tx_pending) @@ -665,7 +664,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) /* Hardware bug work-around, the chip is unable to do PCI DMA to/from anything above 1GB :-( */ if (dma_mapping_error(mapping) || - mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { + mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) { /* Sigh... */ if (!dma_mapping_error(mapping)) pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); @@ -677,7 +676,7 @@ static int b44_alloc_rx_skb(struct b44 *bp, int src_idx, u32 dest_idx_unmasked) RX_PKT_BUF_SZ, PCI_DMA_FROMDEVICE); if (dma_mapping_error(mapping) || - mapping + RX_PKT_BUF_SZ > B44_DMA_MASK) { + mapping + RX_PKT_BUF_SZ > DMA_30BIT_MASK) { if (!dma_mapping_error(mapping)) pci_unmap_single(bp->pdev, mapping, RX_PKT_BUF_SZ,PCI_DMA_FROMDEVICE); dev_kfree_skb_any(skb); @@ -826,12 +825,11 @@ static int b44_rx(struct b44 *bp, int budget) if (copy_skb == NULL) goto drop_it_no_recycle; - copy_skb->dev = bp->dev; skb_reserve(copy_skb, 2); skb_put(copy_skb, len); /* DMA sync done above, copy just the actual packet */ - memcpy(copy_skb->data, skb->data+bp->rx_offset, len); - + skb_copy_from_linear_data_offset(skb, bp->rx_offset, + copy_skb->data, len); skb = copy_skb; } skb->ip_summed = CHECKSUM_NONE; @@ -988,7 +986,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) } mapping = pci_map_single(bp->pdev, skb->data, len, PCI_DMA_TODEVICE); - if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) { + if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { /* Chip can't handle DMA to/from >1GB, use bounce buffer */ if (!dma_mapping_error(mapping)) pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); @@ -1000,7 +998,7 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) mapping = pci_map_single(bp->pdev, bounce_skb->data, len, PCI_DMA_TODEVICE); - if (dma_mapping_error(mapping) || mapping + len > B44_DMA_MASK) { + if (dma_mapping_error(mapping) || mapping + len > DMA_30BIT_MASK) { if (!dma_mapping_error(mapping)) pci_unmap_single(bp->pdev, mapping, len, PCI_DMA_TODEVICE); @@ -1008,7 +1006,8 @@ static int b44_start_xmit(struct sk_buff *skb, struct net_device *dev) goto err_out; } - memcpy(skb_put(bounce_skb, len), skb->data, skb->len); + skb_copy_from_linear_data(skb, skb_put(bounce_skb, len), + skb->len); dev_kfree_skb_any(skb); skb = bounce_skb; } @@ -1227,7 +1226,7 @@ static int b44_alloc_consistent(struct b44 *bp) DMA_BIDIRECTIONAL); if (dma_mapping_error(rx_ring_dma) || - rx_ring_dma + size > B44_DMA_MASK) { + rx_ring_dma + size > DMA_30BIT_MASK) { kfree(rx_ring); goto out_err; } @@ -1254,7 +1253,7 @@ static int b44_alloc_consistent(struct b44 *bp) DMA_TO_DEVICE); if (dma_mapping_error(tx_ring_dma) || - tx_ring_dma + size > B44_DMA_MASK) { + tx_ring_dma + size > DMA_30BIT_MASK) { kfree(tx_ring); goto out_err; } @@ -1289,7 +1288,7 @@ static void b44_chip_reset(struct b44 *bp) if (ssb_is_core_up(bp)) { bw32(bp, B44_RCV_LAZY, 0); bw32(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE); - b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 100, 1); + b44_wait_bit(bp, B44_ENET_CTRL, ENET_CTRL_DISABLE, 200, 1); bw32(bp, B44_DMATX_CTRL, 0); bp->tx_prod = bp->tx_cons = 0; if (br32(bp, B44_DMARX_STAT) & DMARX_STAT_EMASK) { @@ -1710,7 +1709,7 @@ static void __b44_set_rx_mode(struct net_device *dev) bw32(bp, B44_RXCONFIG, val); } else { unsigned char zero[6] = {0, 0, 0, 0, 0, 0}; - int i = 0; + int i = 1; __b44_set_mac_addr(bp); @@ -2151,13 +2150,13 @@ static int __devinit b44_init_one(struct pci_dev *pdev, pci_set_master(pdev); - err = pci_set_dma_mask(pdev, (u64) B44_DMA_MASK); + err = pci_set_dma_mask(pdev, (u64) DMA_30BIT_MASK); if (err) { dev_err(&pdev->dev, "No usable DMA configuration, aborting.\n"); goto err_out_free_res; } - err = pci_set_consistent_dma_mask(pdev, (u64) B44_DMA_MASK); + err = pci_set_consistent_dma_mask(pdev, (u64) DMA_30BIT_MASK); if (err) { dev_err(&pdev->dev, "No usable DMA configuration, aborting.\n"); goto err_out_free_res; |