From ccb7bc0edd9979b57d2f0becf4d4c7ec62b7202d Mon Sep 17 00:00:00 2001 From: David Gounaris Date: Mon, 3 Sep 2018 14:47:30 +0200 Subject: [PATCH] net/wan/fsl_ucc_hdlc: tx timeout handler Added tx timeout handler. This helps when troubleshooting. Signed-off-by: David Gounaris Signed-off-by: David S. Miller --- drivers/net/wan/fsl_ucc_hdlc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 4545c782ef4e..8523ade16030 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -999,11 +999,17 @@ 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", __func__); +} + 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) @@ -1122,6 +1128,7 @@ 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); -- 2.20.1