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ethercat
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avoid deadlock in stmmac

This commit is contained in:
Bjarne von Horn 2024-04-08 13:06:03 +02:00
parent 0a5de833b4
commit 10cb8b3b28
1 changed files with 3 additions and 6 deletions
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9
devices/stmmac/stmmac_main-6.1-ethercat.c
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@ -3969,12 +3969,12 @@ static int stmmac_release(struct net_device *dev)
struct stmmac_priv *priv = netdev_priv(dev); struct stmmac_priv *priv = netdev_priv(dev);
u32 chan; u32 chan;
if (device_may_wakeup(priv->device))
phylink_speed_down(priv->phylink, false);
/* Stop and disconnect the PHY */
if (priv->ecdev) { if (priv->ecdev) {
rtnl_lock(); rtnl_lock();
} }
if (device_may_wakeup(priv->device))
phylink_speed_down(priv->phylink, false);
/* Stop and disconnect the PHY */
phylink_stop(priv->phylink); phylink_stop(priv->phylink);
phylink_disconnect_phy(priv->phylink); phylink_disconnect_phy(priv->phylink);
if (priv->ecdev) { if (priv->ecdev) {
@ -7550,13 +7550,10 @@ int stmmac_ec_dvr_remove(struct device *dev)
stmmac_stop_all_dma(priv); stmmac_stop_all_dma(priv);
stmmac_mac_set(priv, priv->ioaddr, false); stmmac_mac_set(priv, priv->ioaddr, false);
if (priv->ecdev) { if (priv->ecdev) {
mutex_lock(&priv->lock);
ecdev_close(priv->ecdev); ecdev_close(priv->ecdev);
irq_work_sync(&priv->ec_watchdog_kicker); irq_work_sync(&priv->ec_watchdog_kicker);
ecdev_withdraw(priv->ecdev); ecdev_withdraw(priv->ecdev);
priv->ecdev = NULL; priv->ecdev = NULL;
mutex_unlock(&priv->lock);
} else { } else {
netif_carrier_off(ndev); netif_carrier_off(ndev);
unregister_netdev(ndev); unregister_netdev(ndev);