ar71xx: ag71xx: don't use virt_to_phys

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19950 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
index 881ffa3693c3bb22574456c03000b51bd6570715..7bc19a0ec1c58b208bc0d2c231a7ce076586197f 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx.h
@@ -38,7 +38,7 @@
 #define ETH_FCS_LEN    4
 
 #define AG71XX_DRV_NAME                "ag71xx"
-#define AG71XX_DRV_VERSION     "0.5.27"
+#define AG71XX_DRV_VERSION     "0.5.28"
 
 #define AG71XX_NAPI_WEIGHT     64
 #define AG71XX_OOM_REFILL      (1 + HZ/10)

diff --git a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
index a8be41b52d90fc8854d6a9fd533b09b427c1f887..b1fb21f2444c563924f6712948cad445741e793a 100644 (file)
--- a/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
+++ b/target/linux/ar71xx/files/drivers/net/ag71xx/ag71xx_main.c
@@ -11,7 +11,6 @@
  *  by the Free Software Foundation.
  */
 
-#include <linux/cache.h>
 #include "ag71xx.h"
 
 #define AG71XX_DEFAULT_MSG_ENABLE      \
@@ -209,21 +208,21 @@ static int ag71xx_ring_rx_init(struct ag71xx *ag)
 
        for (i = 0; i < AG71XX_RX_RING_SIZE; i++) {
                struct sk_buff *skb;
+               dma_addr_t dma_addr;
 
-               skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE);
+               skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE + AG71XX_RX_PKT_RESERVE);
                if (!skb) {
                        ret = -ENOMEM;
                        break;
                }
 
-               dma_map_single(NULL, skb->data, AG71XX_RX_PKT_SIZE,
-                               DMA_FROM_DEVICE);
-
                skb->dev = ag->dev;
                skb_reserve(skb, AG71XX_RX_PKT_RESERVE);
 
+               dma_addr = dma_map_single(NULL, skb->data, AG71XX_RX_PKT_SIZE,
+                                         DMA_FROM_DEVICE);
                ring->buf[i].skb = skb;
-               ring->buf[i].desc->data = virt_to_phys(skb->data);
+               ring->buf[i].desc->data = (u32) dma_addr;
                ring->buf[i].desc->ctrl = DESC_EMPTY;
        }
 
@@ -248,20 +247,23 @@ static int ag71xx_ring_rx_refill(struct ag71xx *ag)
                i = ring->dirty % AG71XX_RX_RING_SIZE;
 
                if (ring->buf[i].skb == NULL) {
+                       dma_addr_t dma_addr;
                        struct sk_buff *skb;
 
-                       skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE);
+                       skb = dev_alloc_skb(AG71XX_RX_PKT_SIZE +
+                                           AG71XX_RX_PKT_RESERVE);
                        if (skb == NULL)
                                break;
 
-                       dma_map_single(NULL, skb->data, AG71XX_RX_PKT_SIZE,
-                                       DMA_FROM_DEVICE);
-
                        skb_reserve(skb, AG71XX_RX_PKT_RESERVE);
                        skb->dev = ag->dev;
 
+                       dma_addr = dma_map_single(NULL, skb->data,
+                                                 AG71XX_RX_PKT_SIZE,
+                                                 DMA_FROM_DEVICE);
+
                        ring->buf[i].skb = skb;
-                       ring->buf[i].desc->data = virt_to_phys(skb->data);
+                       ring->buf[i].desc->data = (u32) dma_addr;
                }
 
                ring->buf[i].desc->ctrl = DESC_EMPTY;
@@ -497,6 +499,7 @@ static netdev_tx_t ag71xx_hard_start_xmit(struct sk_buff *skb,
        struct ag71xx *ag = netdev_priv(dev);
        struct ag71xx_ring *ring = &ag->tx_ring;
        struct ag71xx_desc *desc;
+       dma_addr_t dma_addr;
        int i;
 
        i = ring->curr % AG71XX_TX_RING_SIZE;
@@ -512,12 +515,12 @@ static netdev_tx_t ag71xx_hard_start_xmit(struct sk_buff *skb,
                goto err_drop;
        }
 
-       dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
+       dma_addr = dma_map_single(NULL, skb->data, skb->len, DMA_TO_DEVICE);
 
        ring->buf[i].skb = skb;
 
        /* setup descriptor fields */
-       desc->data = virt_to_phys(skb->data);
+       desc->data = (u32) dma_addr;
        desc->ctrl = (skb->len & DESC_PKTLEN_M);
 
        /* flush descriptor */