From 3d99b74ab3c4b7e529d5820ccadabfb81085f020 Mon Sep 17 00:00:00 2001 From: Noam Camus Date: Thu, 20 Aug 2015 08:00:04 +0300 Subject: [PATCH] NET: nps_enet: TX done acknowledge. This is needed for when TX done interrupt is in "level mode". For example it is true for some simulators of this device. Signed-off-by: Noam Camus Signed-off-by: David S. Miller --- drivers/net/ethernet/ezchip/nps_enet.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index e553e6aa0e74..69b9129357fd 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -150,6 +150,9 @@ static void nps_enet_tx_handler(struct net_device *ndev) if (!priv->tx_packet_sent || tx_ctrl.ct) return; + /* Ack Tx ctrl register */ + nps_enet_reg_set(priv, NPS_ENET_REG_TX_CTL, 0); + /* Check Tx transmit error */ if (unlikely(tx_ctrl.et)) { ndev->stats.tx_errors++;