diff options
Diffstat (limited to 'drivers/net/ethernet/xilinx/xilinx_axienet_main.c')
| -rw-r--r-- | drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 24748e8367a..7b0a7355626 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -22,11 +22,11 @@ #include <linux/delay.h> #include <linux/etherdevice.h> -#include <linux/init.h> #include <linux/module.h> #include <linux/netdevice.h> #include <linux/of_mdio.h> #include <linux/of_platform.h> +#include <linux/of_irq.h> #include <linux/of_address.h> #include <linux/skbuff.h> #include <linux/spinlock.h> @@ -201,17 +201,15 @@ static int axienet_dma_bd_init(struct net_device *ndev) /* * Allocate the Tx and Rx buffer descriptors. */ - lp->tx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->tx_bd_v) * TX_BD_NUM, - &lp->tx_bd_p, - GFP_KERNEL | __GFP_ZERO); + lp->tx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->tx_bd_v) * TX_BD_NUM, + &lp->tx_bd_p, GFP_KERNEL); if (!lp->tx_bd_v) goto out; - lp->rx_bd_v = dma_alloc_coherent(ndev->dev.parent, - sizeof(*lp->rx_bd_v) * RX_BD_NUM, - &lp->rx_bd_p, - GFP_KERNEL | __GFP_ZERO); + lp->rx_bd_v = dma_zalloc_coherent(ndev->dev.parent, + sizeof(*lp->rx_bd_v) * RX_BD_NUM, + &lp->rx_bd_p, GFP_KERNEL); if (!lp->rx_bd_v) goto out; @@ -603,7 +601,8 @@ static void axienet_start_xmit_done(struct net_device *ndev) size += status & XAXIDMA_BD_STS_ACTUAL_LEN_MASK; packets++; - lp->tx_bd_ci = ++lp->tx_bd_ci % TX_BD_NUM; + ++lp->tx_bd_ci; + lp->tx_bd_ci %= TX_BD_NUM; cur_p = &lp->tx_bd_v[lp->tx_bd_ci]; status = cur_p->status; } @@ -689,7 +688,8 @@ static int axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) skb_headlen(skb), DMA_TO_DEVICE); for (ii = 0; ii < num_frag; ii++) { - lp->tx_bd_tail = ++lp->tx_bd_tail % TX_BD_NUM; + ++lp->tx_bd_tail; + lp->tx_bd_tail %= TX_BD_NUM; cur_p = &lp->tx_bd_v[lp->tx_bd_tail]; frag = &skb_shinfo(skb)->frags[ii]; cur_p->phys = dma_map_single(ndev->dev.parent, @@ -705,7 +705,8 @@ static int axienet_start_xmit(struct sk_buff *skb, struct net_device *ndev) tail_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail; /* Start the transfer */ axienet_dma_out32(lp, XAXIDMA_TX_TDESC_OFFSET, tail_p); - lp->tx_bd_tail = ++lp->tx_bd_tail % TX_BD_NUM; + ++lp->tx_bd_tail; + lp->tx_bd_tail %= TX_BD_NUM; return NETDEV_TX_OK; } @@ -755,7 +756,7 @@ static void axienet_recv(struct net_device *ndev) skb->ip_summed = CHECKSUM_UNNECESSARY; } } else if ((lp->features & XAE_FEATURE_PARTIAL_RX_CSUM) != 0 && - skb->protocol == __constant_htons(ETH_P_IP) && + skb->protocol == htons(ETH_P_IP) && skb->len > 64) { skb->csum = be32_to_cpu(cur_p->app3 & 0xFFFF); skb->ip_summed = CHECKSUM_COMPLETE; @@ -777,7 +778,8 @@ static void axienet_recv(struct net_device *ndev) cur_p->status = 0; cur_p->sw_id_offset = (u32) new_skb; - lp->rx_bd_ci = ++lp->rx_bd_ci % RX_BD_NUM; + ++lp->rx_bd_ci; + lp->rx_bd_ci %= RX_BD_NUM; cur_p = &lp->rx_bd_v[lp->rx_bd_ci]; } @@ -1484,11 +1486,11 @@ static int axienet_of_probe(struct platform_device *op) return -ENOMEM; ether_setup(ndev); - dev_set_drvdata(&op->dev, ndev); + platform_set_drvdata(op, ndev); SET_NETDEV_DEV(ndev, &op->dev); ndev->flags &= ~IFF_MULTICAST; /* clear multicast */ - ndev->features = NETIF_F_SG | NETIF_F_FRAGLIST; + ndev->features = NETIF_F_SG; ndev->netdev_ops = &axienet_netdev_ops; ndev->ethtool_ops = &axienet_ethtool_ops; @@ -1622,7 +1624,7 @@ nodev: static int axienet_of_remove(struct platform_device *op) { - struct net_device *ndev = dev_get_drvdata(&op->dev); + struct net_device *ndev = platform_get_drvdata(op); struct axienet_local *lp = netdev_priv(ndev); axienet_mdio_teardown(lp); @@ -1632,8 +1634,6 @@ static int axienet_of_remove(struct platform_device *op) of_node_put(lp->phy_node); lp->phy_node = NULL; - dev_set_drvdata(&op->dev, NULL); - iounmap(lp->regs); if (lp->dma_regs) iounmap(lp->dma_regs); |