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gianfar: Factor out RX BDs initialization from gfar_new_rxbdp()

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We want to just reinitialize RX BDs after hibernation, no need to
map the skb->data again. So let's factor gfar_init_rxbdp() out of
gfar_new_rxbdp().

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Anton Vorontsov 2009-10-12 06:00:37 +00:00 committed by David S. Miller
parent 32c513bca0
commit 8a102fe001
1 changed files with 21 additions and 12 deletions
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33
drivers/net/gianfar.c
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@ -147,6 +147,23 @@ MODULE_AUTHOR("Freescale Semiconductor, Inc");
MODULE_DESCRIPTION("Gianfar Ethernet Driver");
MODULE_LICENSE("GPL");
static void gfar_init_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
dma_addr_t buf)
{
struct gfar_private *priv = netdev_priv(dev);
u32 lstatus;
bdp->bufPtr = buf;
lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT);
if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
lstatus |= BD_LFLAG(RXBD_WRAP);
eieio();
bdp->lstatus = lstatus;
}
static int gfar_alloc_skb_resources(struct net_device *ndev)
{
struct txbd8 *txbdp;
@ -1676,19 +1693,11 @@ static void gfar_new_rxbdp(struct net_device *dev, struct rxbd8 *bdp,
struct sk_buff *skb)
{
struct gfar_private *priv = netdev_priv(dev);
u32 lstatus;
dma_addr_t buf;
bdp->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data,
priv->rx_buffer_size, DMA_FROM_DEVICE);
lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT);
if (bdp == priv->rx_bd_base + priv->rx_ring_size - 1)
lstatus |= BD_LFLAG(RXBD_WRAP);
eieio();
bdp->lstatus = lstatus;
buf = dma_map_single(&priv->ofdev->dev, skb->data,
priv->rx_buffer_size, DMA_FROM_DEVICE);
gfar_init_rxbdp(dev, bdp, buf);
}