netdev - [PATCH v2 6/6] net/wan/fsl_ucc

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Message-Id: <20180829131328.27901-7-david.gounaris@infinera.com>
Date:   Wed, 29 Aug 2018 15:13:28 +0200
From:   David Gounaris <david.gounaris@...inera.com>
To:     qiang.zhao@....com, netdev@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, robh+dt@...nel.org
Cc:     David Gounaris <david.gounaris@...inera.com>
Subject: [PATCH v2 6/6] net/wan/fsl_ucc_hdlc: tx timeout handler

Added tx timerout handler. This helps
when troubleshooting.

Signed-off-by: David Gounaris <david.gounaris@...inera.com>
---
 drivers/net/wan/fsl_ucc_hdlc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 248f1f5bcd04..629ef5049d27 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -1002,11 +1002,15 @@ static const struct dev_pm_ops uhdlc_pm_ops = {
 #define HDLC_PM_OPS NULL
 
 #endif
+static void uhdlc_tx_timeout(struct net_device *ndev) {
+	netdev_err(ndev, "%s\n", __FUNCTION__);
+}
 static const struct net_device_ops uhdlc_ops = {
 	.ndo_open       = uhdlc_open,
 	.ndo_stop       = uhdlc_close,
 	.ndo_start_xmit = hdlc_start_xmit,
 	.ndo_do_ioctl   = uhdlc_ioctl,
+	.ndo_tx_timeout	= uhdlc_tx_timeout,
 };
 
 static int ucc_hdlc_probe(struct platform_device *pdev)
@@ -1125,6 +1129,7 @@ static int ucc_hdlc_probe(struct platform_device *pdev)
 	hdlc = dev_to_hdlc(dev);
 	dev->tx_queue_len = 16;
 	dev->netdev_ops = &uhdlc_ops;
+	dev->watchdog_timeo = 2*HZ;
 	hdlc->attach = ucc_hdlc_attach;
 	hdlc->xmit = ucc_hdlc_tx;
 	netif_napi_add(dev, &uhdlc_priv->napi, ucc_hdlc_poll, 32);
-- 
2.13.6