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sparc: Convert all SBUS drivers to dma_*() interfaces.

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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>
This commit is contained in:
David S. Miller
2008-08-27 18:09:11 -07:00
parent 944c67dff7
commit 738f2b7b81
14 changed files with 206 additions and 310 deletions
Download Patch File Download Diff File Expand all files Collapse all files

63
drivers/net/myri_sbus.c
View File

@@ -22,6 +22,7 @@ static char version[] =
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/bitops.h>
#include <linux/dma-mapping.h>
#include <net/dst.h>
#include <net/arp.h>
@@ -243,8 +244,8 @@ static void myri_clean_rings(struct myri_eth *mp)
u32 dma_addr;
dma_addr = sbus_readl(&rxd->myri_scatters[0].addr);
sbus_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
RX_ALLOC_SIZE, SBUS_DMA_FROMDEVICE);
dma_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
RX_ALLOC_SIZE, DMA_FROM_DEVICE);
dev_kfree_skb(mp->rx_skbs[i]);
mp->rx_skbs[i] = NULL;
}
@@ -260,9 +261,9 @@ static void myri_clean_rings(struct myri_eth *mp)
u32 dma_addr;
dma_addr = sbus_readl(&txd->myri_gathers[0].addr);
sbus_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
(skb->len + 3) & ~3,
SBUS_DMA_TODEVICE);
dma_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
(skb->len + 3) & ~3,
DMA_TO_DEVICE);
dev_kfree_skb(mp->tx_skbs[i]);
mp->tx_skbs[i] = NULL;
}
@@ -291,9 +292,9 @@ static void myri_init_rings(struct myri_eth *mp, int from_irq)
skb->dev = dev;
skb_put(skb, RX_ALLOC_SIZE);
dma_addr = sbus_map_single(&mp->myri_sdev->ofdev.dev,
skb->data, RX_ALLOC_SIZE,
SBUS_DMA_FROMDEVICE);
dma_addr = dma_map_single(&mp->myri_sdev->ofdev.dev,
skb->data, RX_ALLOC_SIZE,
DMA_FROM_DEVICE);
sbus_writel(dma_addr, &rxd[i].myri_scatters[0].addr);
sbus_writel(RX_ALLOC_SIZE, &rxd[i].myri_scatters[0].len);
sbus_writel(i, &rxd[i].ctx);
@@ -349,8 +350,8 @@ static void myri_tx(struct myri_eth *mp, struct net_device *dev)
DTX(("SKB[%d] ", entry));
dma_addr = sbus_readl(&sq->myri_txd[entry].myri_gathers[0].addr);
sbus_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
skb->len, SBUS_DMA_TODEVICE);
dma_unmap_single(&mp->myri_sdev->ofdev.dev, dma_addr,
skb->len, DMA_TO_DEVICE);
dev_kfree_skb(skb);
mp->tx_skbs[entry] = NULL;
dev->stats.tx_packets++;
@@ -429,9 +430,9 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev)
/* Check for errors. */
DRX(("rxd[%d]: %p len[%d] csum[%08x] ", entry, rxd, len, csum));
sbus_dma_sync_single_for_cpu(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE, SBUS_DMA_FROMDEVICE);
dma_sync_single_for_cpu(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE, DMA_FROM_DEVICE);
if (len < (ETH_HLEN + MYRI_PAD_LEN) || (skb->data[0] != MYRI_PAD_LEN)) {
DRX(("ERROR["));
dev->stats.rx_errors++;
@@ -448,10 +449,10 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev)
drops++;
DRX(("DROP "));
dev->stats.rx_dropped++;
sbus_dma_sync_single_for_device(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
SBUS_DMA_FROMDEVICE);
dma_sync_single_for_device(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
DMA_FROM_DEVICE);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
sbus_writel(1, &rxd->num_sg);
@@ -470,17 +471,17 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev)
DRX(("skb_alloc(FAILED) "));
goto drop_it;
}
sbus_unmap_single(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
SBUS_DMA_FROMDEVICE);
dma_unmap_single(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
DMA_FROM_DEVICE);
mp->rx_skbs[index] = new_skb;
new_skb->dev = dev;
skb_put(new_skb, RX_ALLOC_SIZE);
dma_addr = sbus_map_single(&mp->myri_sdev->ofdev.dev,
new_skb->data,
RX_ALLOC_SIZE,
SBUS_DMA_FROMDEVICE);
dma_addr = dma_map_single(&mp->myri_sdev->ofdev.dev,
new_skb->data,
RX_ALLOC_SIZE,
DMA_FROM_DEVICE);
sbus_writel(dma_addr, &rxd->myri_scatters[0].addr);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
@@ -506,10 +507,10 @@ static void myri_rx(struct myri_eth *mp, struct net_device *dev)
/* Reuse original ring buffer. */
DRX(("reuse "));
sbus_dma_sync_single_for_device(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
SBUS_DMA_FROMDEVICE);
dma_sync_single_for_device(&mp->myri_sdev->ofdev.dev,
sbus_readl(&rxd->myri_scatters[0].addr),
RX_ALLOC_SIZE,
DMA_FROM_DEVICE);
sbus_writel(RX_ALLOC_SIZE, &rxd->myri_scatters[0].len);
sbus_writel(index, &rxd->ctx);
sbus_writel(1, &rxd->num_sg);
@@ -658,8 +659,8 @@ static int myri_start_xmit(struct sk_buff *skb, struct net_device *dev)
sbus_writew((skb->data[4] << 8) | skb->data[5], &txd->addr[3]);
}
dma_addr = sbus_map_single(&mp->myri_sdev->ofdev.dev, skb->data,
len, SBUS_DMA_TODEVICE);
dma_addr = dma_map_single(&mp->myri_sdev->ofdev.dev, skb->data,
len, DMA_TO_DEVICE);
sbus_writel(dma_addr, &txd->myri_gathers[0].addr);
sbus_writel(len, &txd->myri_gathers[0].len);
sbus_writel(1, &txd->num_sg);