diff options
Diffstat (limited to 'drivers/net/ethernet/mediatek')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 7b760752d2c1..cd5d0c97f0ce 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -1432,17 +1432,29 @@ static void mtk_pending_work(struct work_struct *work) { struct mtk_mac *mac = container_of(work, struct mtk_mac, pending_work); struct mtk_eth *eth = mac->hw; - struct net_device *dev = eth->netdev[mac->id]; - int err; + int err, i; + unsigned long restart = 0; rtnl_lock(); - mtk_stop(dev); - err = mtk_open(dev); - if (err) { - netif_alert(eth, ifup, dev, - "Driver up/down cycle failed, closing device.\n"); - dev_close(dev); + /* stop all devices to make sure that dma is properly shut down */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!netif_oper_up(eth->netdev[i])) + continue; + mtk_stop(eth->netdev[i]); + __set_bit(i, &restart); + } + + /* restart DMA and enable IRQs */ + for (i = 0; i < MTK_MAC_COUNT; i++) { + if (!test_bit(i, &restart)) + continue; + err = mtk_open(eth->netdev[i]); + if (err) { + netif_alert(eth, ifup, eth->netdev[i], + "Driver up/down cycle failed, closing device.\n"); + dev_close(eth->netdev[i]); + } } rtnl_unlock(); } |