diff options
Diffstat (limited to 'drivers/net/gianfar.c')
| -rw-r--r-- | drivers/net/gianfar.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index 068f9a2cf42c..a84363261673 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -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; - - bdp->bufPtr = dma_map_single(&priv->ofdev->dev, skb->data, - priv->rx_buffer_size, DMA_FROM_DEVICE); - - lstatus = BD_LFLAG(RXBD_EMPTY | RXBD_INTERRUPT); + dma_addr_t buf; - 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); } |