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authorDavid S. Miller <davem@davemloft.net>2008-08-27 18:09:11 -0700
committerDavid S. Miller <davem@davemloft.net>2008-08-29 02:13:15 -0700
commit738f2b7b813913e651f39387d007dd961755dee2 (patch)
tree022ca4d144cba51495e6f26a8f55d3046d16c2e3 /drivers/net/sunbmac.c
parent944c67dff7a88f0a775e5b604937f9e30d2de555 (diff)
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sparc: Convert all SBUS drivers to dma_*() interfaces.
And all the SBUS dma interfaces are deleted. A private implementation remains inside of the 32-bit sparc port which exists only for the sake of the implementation of dma_*(). Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/sunbmac.c')
-rw-r--r--drivers/net/sunbmac.c68
1 files changed, 35 insertions, 33 deletions
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index b92218c..8fe4c49 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -23,6 +23,7 @@
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
+#include <linux/dma-mapping.h>
#include <asm/auxio.h>
#include <asm/byteorder.h>
@@ -239,9 +240,10 @@ static void bigmac_init_rings(struct bigmac *bp, int from_irq)
skb_reserve(skb, 34);
bb->be_rxd[i].rx_addr =
- sbus_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
- RX_BUF_ALLOC_SIZE - 34,
- SBUS_DMA_FROMDEVICE);
+ dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+ skb->data,
+ RX_BUF_ALLOC_SIZE - 34,
+ DMA_FROM_DEVICE);
bb->be_rxd[i].rx_flags =
(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
}
@@ -776,9 +778,9 @@ static void bigmac_tx(struct bigmac *bp)
skb = bp->tx_skbs[elem];
bp->enet_stats.tx_packets++;
bp->enet_stats.tx_bytes += skb->len;
- sbus_unmap_single(&bp->bigmac_sdev->ofdev.dev,
- this->tx_addr, skb->len,
- SBUS_DMA_TODEVICE);
+ dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+ this->tx_addr, skb->len,
+ DMA_TO_DEVICE);
DTX(("skb(%p) ", skb));
bp->tx_skbs[elem] = NULL;
@@ -831,19 +833,19 @@ static void bigmac_rx(struct bigmac *bp)
drops++;
goto drop_it;
}
- sbus_unmap_single(&bp->bigmac_sdev->ofdev.dev,
- this->rx_addr,
- RX_BUF_ALLOC_SIZE - 34,
- SBUS_DMA_FROMDEVICE);
+ dma_unmap_single(&bp->bigmac_sdev->ofdev.dev,
+ this->rx_addr,
+ RX_BUF_ALLOC_SIZE - 34,
+ DMA_FROM_DEVICE);
bp->rx_skbs[elem] = new_skb;
new_skb->dev = bp->dev;
skb_put(new_skb, ETH_FRAME_LEN);
skb_reserve(new_skb, 34);
this->rx_addr =
- sbus_map_single(&bp->bigmac_sdev->ofdev.dev,
- new_skb->data,
- RX_BUF_ALLOC_SIZE - 34,
- SBUS_DMA_FROMDEVICE);
+ dma_map_single(&bp->bigmac_sdev->ofdev.dev,
+ new_skb->data,
+ RX_BUF_ALLOC_SIZE - 34,
+ DMA_FROM_DEVICE);
this->rx_flags =
(RXD_OWN | ((RX_BUF_ALLOC_SIZE - 34) & RXD_LENGTH));
@@ -858,13 +860,13 @@ static void bigmac_rx(struct bigmac *bp)
}
skb_reserve(copy_skb, 2);
skb_put(copy_skb, len);
- sbus_dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
- this->rx_addr, len,
- SBUS_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&bp->bigmac_sdev->ofdev.dev,
+ this->rx_addr, len,
+ DMA_FROM_DEVICE);
skb_copy_to_linear_data(copy_skb, (unsigned char *)skb->data, len);
- sbus_dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
- this->rx_addr, len,
- SBUS_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&bp->bigmac_sdev->ofdev.dev,
+ this->rx_addr, len,
+ DMA_FROM_DEVICE);
/* Reuse original ring buffer. */
this->rx_flags =
@@ -960,8 +962,8 @@ static int bigmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
u32 mapping;
len = skb->len;
- mapping = sbus_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
- len, SBUS_DMA_TODEVICE);
+ mapping = dma_map_single(&bp->bigmac_sdev->ofdev.dev, skb->data,
+ len, DMA_TO_DEVICE);
/* Avoid a race... */
spin_lock_irq(&bp->lock);
@@ -1185,9 +1187,9 @@ static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev)
bigmac_stop(bp);
/* Allocate transmit/receive descriptor DVMA block. */
- bp->bmac_block = sbus_alloc_consistent(&bp->bigmac_sdev->ofdev.dev,
- PAGE_SIZE,
- &bp->bblock_dvma);
+ bp->bmac_block = dma_alloc_coherent(&bp->bigmac_sdev->ofdev.dev,
+ PAGE_SIZE,
+ &bp->bblock_dvma, GFP_ATOMIC);
if (bp->bmac_block == NULL || bp->bblock_dvma == 0) {
printk(KERN_ERR "BIGMAC: Cannot allocate consistent DMA.\n");
goto fail_and_cleanup;
@@ -1247,10 +1249,10 @@ fail_and_cleanup:
sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
if (bp->bmac_block)
- sbus_free_consistent(&bp->bigmac_sdev->ofdev.dev,
- PAGE_SIZE,
- bp->bmac_block,
- bp->bblock_dvma);
+ dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+ PAGE_SIZE,
+ bp->bmac_block,
+ bp->bblock_dvma);
/* This also frees the co-located 'dev->priv' */
free_netdev(dev);
@@ -1282,10 +1284,10 @@ static int __devexit bigmac_sbus_remove(struct of_device *dev)
sbus_iounmap(bp->creg, CREG_REG_SIZE);
sbus_iounmap(bp->bregs, BMAC_REG_SIZE);
sbus_iounmap(bp->tregs, TCVR_REG_SIZE);
- sbus_free_consistent(&bp->bigmac_sdev->ofdev.dev,
- PAGE_SIZE,
- bp->bmac_block,
- bp->bblock_dvma);
+ dma_free_coherent(&bp->bigmac_sdev->ofdev.dev,
+ PAGE_SIZE,
+ bp->bmac_block,
+ bp->bblock_dvma);
free_netdev(net_dev);