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Message-ID: <1440046805-24459-5-git-send-email-noamc@ezchip.com>
Date: Thu, 20 Aug 2015 08:00:04 +0300
From: Noam Camus <noamc@...hip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <davem@...emloft.net>, <Alexey.Brodkin@...opsys.com>,
<vgupta@...opsys.com>, <talz@...hip.com>,
Noam Camus <noamc@...hip.com>
Subject: [v2 4/5] NET: nps_enet: TX done acknowledge.
From: Noam Camus <noamc@...hip.com>
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 <noamc@...hip.com>
---
drivers/net/ethernet/ezchip/nps_enet.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c
index e553e6a..69b9129 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++;
--
1.7.1
--
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