When we disconnect from a phy, we should forget our pointer to it so we
don't accidentally try to configure it. We handle a NULL phy pointer
correctly in most places, except fec_enet_set_pauseparam(). Fix this
too.
Acked-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
{
struct fec_enet_private *fep = netdev_priv(ndev);
+ if (!fep->phy_dev)
+ return -ENODEV;
+
if (pause->tx_pause != pause->rx_pause) {
netdev_info(ndev,
"hardware only support enable/disable both tx and rx");
phy_stop(fep->phy_dev);
phy_disconnect(fep->phy_dev);
+ fep->phy_dev = NULL;
fec_enet_clk_enable(ndev, false);
pinctrl_pm_select_sleep_state(&fep->pdev->dev);