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author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-07-09 18:33:42 -0400 |
---|---|---|
committer | Jeff Garzik <jeff@garzik.org> | 2007-07-10 12:22:29 -0400 |
commit | 36eb0c71f3ab42b116a5a7bda733230014741632 (patch) | |
tree | 1400ac34622be00d035634bd1495523e507ce14d /drivers/net/sky2.c | |
parent | f957da2aa0b7ef9659a45b0895ec4a08602b1c15 (diff) |
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) | |||
893 | return le; | 893 | return le; |
894 | } | 894 | } |
895 | 895 | ||
896 | /* Return high part of DMA address (could be 32 or 64 bit) */ | ||
897 | static inline u32 high32(dma_addr_t a) | ||
898 | { | ||
899 | return sizeof(a) > sizeof(u32) ? (a >> 16) >> 16 : 0; | ||
900 | } | ||
901 | |||
902 | /* Build description to hardware for one receive segment */ | 896 | /* Build description to hardware for one receive segment */ |
903 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, | 897 | static void sky2_rx_add(struct sky2_port *sky2, u8 op, |
904 | dma_addr_t map, unsigned len) | 898 | dma_addr_t map, unsigned len) |
905 | { | 899 | { |
906 | struct sky2_rx_le *le; | 900 | struct sky2_rx_le *le; |
907 | u32 hi = high32(map); | 901 | u32 hi = upper_32_bits(map); |
908 | 902 | ||
909 | if (sky2->rx_addr64 != hi) { | 903 | if (sky2->rx_addr64 != hi) { |
910 | le = sky2_next_rx(sky2); | 904 | le = sky2_next_rx(sky2); |
911 | le->addr = cpu_to_le32(hi); | 905 | le->addr = cpu_to_le32(hi); |
912 | le->opcode = OP_ADDR64 | HW_OWNER; | 906 | le->opcode = OP_ADDR64 | HW_OWNER; |
913 | sky2->rx_addr64 = high32(map + len); | 907 | sky2->rx_addr64 = upper_32_bits(map + len); |
914 | } | 908 | } |
915 | 909 | ||
916 | le = sky2_next_rx(sky2); | 910 | le = sky2_next_rx(sky2); |
@@ -1424,14 +1418,15 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) | |||
1424 | 1418 | ||
1425 | len = skb_headlen(skb); | 1419 | len = skb_headlen(skb); |
1426 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); | 1420 | mapping = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE); |
1427 | addr64 = high32(mapping); | 1421 | addr64 = upper_32_bits(mapping); |
1428 | 1422 | ||
1429 | /* Send high bits if changed or crosses boundary */ | 1423 | /* Send high bits if changed or crosses boundary */ |
1430 | if (addr64 != sky2->tx_addr64 || high32(mapping + len) != sky2->tx_addr64) { | 1424 | if (addr64 != sky2->tx_addr64 || |
1425 | upper_32_bits(mapping + len) != sky2->tx_addr64) { | ||
1431 | le = get_tx_le(sky2); | 1426 | le = get_tx_le(sky2); |
1432 | le->addr = cpu_to_le32(addr64); | 1427 | le->addr = cpu_to_le32(addr64); |
1433 | le->opcode = OP_ADDR64 | HW_OWNER; | 1428 | le->opcode = OP_ADDR64 | HW_OWNER; |
1434 | sky2->tx_addr64 = high32(mapping + len); | 1429 | sky2->tx_addr64 = upper_32_bits(mapping + len); |
1435 | } | 1430 | } |
1436 | 1431 | ||
1437 | /* Check for TCP Segmentation Offload */ | 1432 | /* Check for TCP Segmentation Offload */ |
@@ -1511,7 +1506,7 @@ static int sky2_xmit_frame(struct sk_buff *skb, struct net_device *dev) | |||
1511 | 1506 | ||
1512 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, | 1507 | mapping = pci_map_page(hw->pdev, frag->page, frag->page_offset, |
1513 | frag->size, PCI_DMA_TODEVICE); | 1508 | frag->size, PCI_DMA_TODEVICE); |
1514 | addr64 = high32(mapping); | 1509 | addr64 = upper_32_bits(mapping); |
1515 | if (addr64 != sky2->tx_addr64) { | 1510 | if (addr64 != sky2->tx_addr64) { |
1516 | le = get_tx_le(sky2); | 1511 | le = get_tx_le(sky2); |
1517 | le->addr = cpu_to_le32(addr64); | 1512 | le->addr = cpu_to_le32(addr64); |