net: sh_eth: remove __flush_purge_region
It is a function of SuperH architecture. There is no good to use
the function on a driver generally. So, the driver uses
dma_map_single() instead of __flush_purge_region.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index 96a629f..3da168a 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -33,7 +33,6 @@
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/ethtool.h>
-#include <asm/cacheflush.h>
#include "sh_eth.h"
@@ -864,6 +863,8 @@
break;
/* Free the original skb. */
if (mdp->tx_skbuff[entry]) {
+ dma_unmap_single(&ndev->dev, txdesc->addr,
+ txdesc->buffer_length, DMA_TO_DEVICE);
dev_kfree_skb_irq(mdp->tx_skbuff[entry]);
mdp->tx_skbuff[entry] = NULL;
freeNum++;
@@ -1487,13 +1488,12 @@
entry = mdp->cur_tx % TX_RING_SIZE;
mdp->tx_skbuff[entry] = skb;
txdesc = &mdp->tx_ring[entry];
- txdesc->addr = virt_to_phys(skb->data);
/* soft swap. */
if (!mdp->cd->hw_swap)
sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)),
skb->len + 2);
- /* write back */
- __flush_purge_region(skb->data, skb->len);
+ txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len,
+ DMA_TO_DEVICE);
if (skb->len < ETHERSMALL)
txdesc->buffer_length = ETHERSMALL;
else