sky2: use upper_32_bits() macro

Use upper_32_bits() inline

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 8cc3eea..151d835 100644 (file)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -893,24 +893,18 @@ static inline struct sky2_rx_le *sky2_next_rx(struct sky2_port *sky2)
        return le;
 }
 
-/* Return high part of DMA address (could be 32 or 64 bit) */
-static inline u32 high32(dma_addr_t a)
-{
-       return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0;
-}
-
 /* Build description to hardware for one receive segment */
 static void sky2_rx_add(struct sky2_port *sky2,  u8 op,
                        dma_addr_t map, unsigned len)
 {
        struct sky2_rx_le *le;
-       u32 hi = high32(map);
+       u32 hi = upper_32_bits(map);
 
        if (sky2->rx_addr64 != hi) {
                le = sky2_next_rx(sky2);
                le->addr = cpu_to_le32(hi);
                le->opcode = OP_ADDR64 | HW_OWNER;
-               sky2->rx_addr64 = high32(map + len);
+               sky2->rx_addr64 = upper_32_bits(map + len);
        }
 
        le = sky2_next_rx(sky2);
@@ -1424,14 +1418,15 @@ 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 = high32(mapping);
+       addr64 = upper_32_bits(mapping);
 
        /* Send high bits if changed or crosses boundary */
-       if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) {
+       if (addr64 != sky2->tx_addr64 ||
+           upper_32_bits(mapping + len) != sky2->tx_addr64) {
                le = get_tx_le(sky2);
                le->addr = cpu_to_le32(addr64);
                le->opcode = OP_ADDR64 | HW_OWNER;
-               sky2->tx_addr64 = high32(mapping + len);
+               sky2->tx_addr64 = upper_32_bits(mapping + len);
        }
 
        /* Check for TCP Segmentation Offload */
@@ -1511,7 +1506,7 @@ 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 = high32(mapping);
+               addr64 = upper_32_bits(mapping);
                if (addr64 != sky2->tx_addr64) {
                        le = get_tx_le(sky2);
                        le->addr = cpu_to_le32(addr64);