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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-07-10 02:33:42 +0400 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-10 20:22:29 +0400 |
| commit | 36eb0c71f3ab42b116a5a7bda733230014741632 (patch) | |
| tree | 1400ac34622be00d035634bd1495523e507ce14d /drivers/net/sky2.c | |
| parent | f957da2aa0b7ef9659a45b0895ec4a08602b1c15 (diff) | |
| download | linux-36eb0c71f3ab42b116a5a7bda733230014741632.tar.xz | |
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>
Diffstat (limited to 'drivers/net/sky2.c')
| -rw-r--r-- | drivers/net/sky2.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 8cc3eea727a8..151d8359a1ea 100644 --- 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); |