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path: root/drivers/net/korina.c
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Diffstat (limited to 'drivers/net/korina.c')
-rw-r--r--drivers/net/korina.c32
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/net/korina.c b/drivers/net/korina.c
index 26bf1b76b997..c7a9bef4dfb0 100644
--- a/drivers/net/korina.c
+++ b/drivers/net/korina.c
@@ -135,6 +135,7 @@ struct korina_private {
135 struct napi_struct napi; 135 struct napi_struct napi;
136 struct timer_list media_check_timer; 136 struct timer_list media_check_timer;
137 struct mii_if_info mii_if; 137 struct mii_if_info mii_if;
138 struct work_struct restart_task;
138 struct net_device *dev; 139 struct net_device *dev;
139 int phy_addr; 140 int phy_addr;
140}; 141};
@@ -375,7 +376,7 @@ static int korina_rx(struct net_device *dev, int limit)
375 if (devcs & ETH_RX_LE) 376 if (devcs & ETH_RX_LE)
376 dev->stats.rx_length_errors++; 377 dev->stats.rx_length_errors++;
377 if (devcs & ETH_RX_OVR) 378 if (devcs & ETH_RX_OVR)
378 dev->stats.rx_over_errors++; 379 dev->stats.rx_fifo_errors++;
379 if (devcs & ETH_RX_CV) 380 if (devcs & ETH_RX_CV)
380 dev->stats.rx_frame_errors++; 381 dev->stats.rx_frame_errors++;
381 if (devcs & ETH_RX_CES) 382 if (devcs & ETH_RX_CES)
@@ -764,10 +765,9 @@ static int korina_alloc_ring(struct net_device *dev)
764 765
765 /* Initialize the receive descriptors */ 766 /* Initialize the receive descriptors */
766 for (i = 0; i < KORINA_NUM_RDS; i++) { 767 for (i = 0; i < KORINA_NUM_RDS; i++) {
767 skb = dev_alloc_skb(KORINA_RBSIZE + 2); 768 skb = netdev_alloc_skb_ip_align(dev, KORINA_RBSIZE);
768 if (!skb) 769 if (!skb)
769 return -ENOMEM; 770 return -ENOMEM;
770 skb_reserve(skb, 2);
771 lp->rx_skb[i] = skb; 771 lp->rx_skb[i] = skb;
772 lp->rd_ring[i].control = DMA_DESC_IOD | 772 lp->rd_ring[i].control = DMA_DESC_IOD |
773 DMA_COUNT(KORINA_RBSIZE); 773 DMA_COUNT(KORINA_RBSIZE);
@@ -890,12 +890,12 @@ static int korina_init(struct net_device *dev)
890 890
891/* 891/*
892 * Restart the RC32434 ethernet controller. 892 * Restart the RC32434 ethernet controller.
893 * FIXME: check the return status where we call it
894 */ 893 */
895static int korina_restart(struct net_device *dev) 894static void korina_restart_task(struct work_struct *work)
896{ 895{
897 struct korina_private *lp = netdev_priv(dev); 896 struct korina_private *lp = container_of(work,
898 int ret; 897 struct korina_private, restart_task);
898 struct net_device *dev = lp->dev;
899 899
900 /* 900 /*
901 * Disable interrupts 901 * Disable interrupts
@@ -916,10 +916,9 @@ static int korina_restart(struct net_device *dev)
916 916
917 napi_disable(&lp->napi); 917 napi_disable(&lp->napi);
918 918
919 ret = korina_init(dev); 919 if (korina_init(dev) < 0) {
920 if (ret < 0) {
921 printk(KERN_ERR "%s: cannot restart device\n", dev->name); 920 printk(KERN_ERR "%s: cannot restart device\n", dev->name);
922 return ret; 921 return;
923 } 922 }
924 korina_multicast_list(dev); 923 korina_multicast_list(dev);
925 924
@@ -927,8 +926,6 @@ static int korina_restart(struct net_device *dev)
927 enable_irq(lp->ovr_irq); 926 enable_irq(lp->ovr_irq);
928 enable_irq(lp->tx_irq); 927 enable_irq(lp->tx_irq);
929 enable_irq(lp->rx_irq); 928 enable_irq(lp->rx_irq);
930
931 return ret;
932} 929}
933 930
934static void korina_clear_and_restart(struct net_device *dev, u32 value) 931static void korina_clear_and_restart(struct net_device *dev, u32 value)
@@ -937,7 +934,7 @@ static void korina_clear_and_restart(struct net_device *dev, u32 value)
937 934
938 netif_stop_queue(dev); 935 netif_stop_queue(dev);
939 writel(value, &lp->eth_regs->ethintfc); 936 writel(value, &lp->eth_regs->ethintfc);
940 korina_restart(dev); 937 schedule_work(&lp->restart_task);
941} 938}
942 939
943/* Ethernet Tx Underflow interrupt */ 940/* Ethernet Tx Underflow interrupt */
@@ -962,11 +959,8 @@ static irqreturn_t korina_und_interrupt(int irq, void *dev_id)
962static void korina_tx_timeout(struct net_device *dev) 959static void korina_tx_timeout(struct net_device *dev)
963{ 960{
964 struct korina_private *lp = netdev_priv(dev); 961 struct korina_private *lp = netdev_priv(dev);
965 unsigned long flags;
966 962
967 spin_lock_irqsave(&lp->lock, flags); 963 schedule_work(&lp->restart_task);
968 korina_restart(dev);
969 spin_unlock_irqrestore(&lp->lock, flags);
970} 964}
971 965
972/* Ethernet Rx Overflow interrupt */ 966/* Ethernet Rx Overflow interrupt */
@@ -1086,6 +1080,8 @@ static int korina_close(struct net_device *dev)
1086 1080
1087 napi_disable(&lp->napi); 1081 napi_disable(&lp->napi);
1088 1082
1083 cancel_work_sync(&lp->restart_task);
1084
1089 free_irq(lp->rx_irq, dev); 1085 free_irq(lp->rx_irq, dev);
1090 free_irq(lp->tx_irq, dev); 1086 free_irq(lp->tx_irq, dev);
1091 free_irq(lp->ovr_irq, dev); 1087 free_irq(lp->ovr_irq, dev);
@@ -1198,6 +1194,8 @@ static int korina_probe(struct platform_device *pdev)
1198 } 1194 }
1199 setup_timer(&lp->media_check_timer, korina_poll_media, (unsigned long) dev); 1195 setup_timer(&lp->media_check_timer, korina_poll_media, (unsigned long) dev);
1200 1196
1197 INIT_WORK(&lp->restart_task, korina_restart_task);
1198
1201 printk(KERN_INFO "%s: " DRV_NAME "-" DRV_VERSION " " DRV_RELDATE "\n", 1199 printk(KERN_INFO "%s: " DRV_NAME "-" DRV_VERSION " " DRV_RELDATE "\n",
1202 dev->name); 1200 dev->name);
1203out: 1201out: