]> err.no Git - linux-2.6/blobdiff - drivers/net/sky2.c
kconfig: use C89 random functions in conf.c
[linux-2.6] / drivers / net / sky2.c
index a74fc11a6482c51e9a8f43f2562cbfeea10dde4e..bc15940ce1bc8ed74ba8127df49f0599d2262c48 100644 (file)
@@ -944,7 +944,6 @@ static void tx_init(struct sky2_port *sky2)
        le = get_tx_le(sky2);
        le->addr = 0;
        le->opcode = OP_ADDR64 | HW_OWNER;
-       sky2->tx_addr64 = 0;
 }
 
 static inline struct tx_ring_info *tx_le_re(struct sky2_port *sky2,
@@ -978,13 +977,11 @@ static void sky2_rx_add(struct sky2_port *sky2,  u8 op,
                        dma_addr_t map, unsigned len)
 {
        struct sky2_rx_le *le;
-       u32 hi = upper_32_bits(map);
 
-       if (sky2->rx_addr64 != hi) {
+       if (sizeof(dma_addr_t) > sizeof(u32)) {
                le = sky2_next_rx(sky2);
-               le->addr = cpu_to_le32(hi);
+               le->addr = cpu_to_le32(upper_32_bits(map));
                le->opcode = OP_ADDR64 | HW_OWNER;
-               sky2->rx_addr64 = upper_32_bits(map + len);
        }
 
        le = sky2_next_rx(sky2);
@@ -1168,6 +1165,7 @@ static void sky2_vlan_rx_register(struct net_device *dev, struct vlan_group *grp
                             TX_VLAN_TAG_OFF);
        }
 
+       sky2_read32(hw, B0_Y2_SP_LISR);
        napi_enable(&hw->napi);
        netif_tx_unlock_bh(dev);
 }
@@ -1479,7 +1477,6 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
        struct tx_ring_info *re;
        unsigned i, len;
        dma_addr_t mapping;
-       u32 addr64;
        u16 mss;
        u8 ctrl;
 
@@ -1492,15 +1489,12 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 
        len = skb_headlen(skb);
        mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
-       addr64 = upper_32_bits(mapping);
 
-       /* Send high bits if changed or crosses boundary */
-       if (addr64 != sky2->tx_addr64 ||
-           upper_32_bits(mapping + len) != sky2->tx_addr64) {
+       /* Send high bits if needed */
+       if (sizeof(dma_addr_t) > sizeof(u32)) {
                le = get_tx_le(sky2);
-               le->addr = cpu_to_le32(addr64);
+               le->addr = cpu_to_le32(upper_32_bits(mapping));
                le->opcode = OP_ADDR64 | HW_OWNER;
-               sky2->tx_addr64 = upper_32_bits(mapping + len);
        }
 
        /* Check for TCP Segmentation Offload */
@@ -1581,13 +1575,12 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev)
 
                mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset,
                                       frag->size, PCI_DMA_TODEVICE);
-               addr64 = upper_32_bits(mapping);
-               if (addr64 != sky2->tx_addr64) {
+
+               if (sizeof(dma_addr_t) > sizeof(u32)) {
                        le = get_tx_le(sky2);
-                       le->addr = cpu_to_le32(addr64);
+                       le->addr = cpu_to_le32(upper_32_bits(mapping));
                        le->ctrl = 0;
                        le->opcode = OP_ADDR64 | HW_OWNER;
-                       sky2->tx_addr64 = addr64;
                }
 
                le = get_tx_le(sky2);
@@ -2043,6 +2036,7 @@ static int sky2_change_mtu(struct net_device *dev, int new_mtu)
        err = sky2_rx_start(sky2);
        sky2_write32(hw, B0_IMSK, imask);
 
+       sky2_read32(hw, B0_Y2_SP_LISR);
        napi_enable(&hw->napi);
 
        if (err)
@@ -3861,6 +3855,7 @@ static int sky2_debug_show(struct seq_file *seq, void *v)
                   last = sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_PUT_IDX)),
                   sky2_read16(hw, Y2_QADDR(rxqaddr[port], PREF_UNIT_LAST_IDX)));
 
+       sky2_read32(hw, B0_Y2_SP_LISR);
        napi_enable(&hw->napi);
        return 0;
 }