Merge branch 'net-stmmac-avoid-unnecessary-work-in-stmmac_release-stmmac_dvr_remove'

Russell King says:

====================
net: stmmac: avoid unnecessary work in stmmac_release()/stmmac_dvr_remove()

This small series is a subset of a RFC I sent earlier. These two
patches remove code that is unnecessary and/or wrong in these paths.
Details in each commit.
====================

Link: https://patch.msgid.link/Z87bpDd7QYYVU0ML@shell.armlinux.org.uk
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

Author: Paolo Abeni

drivers/net/ethernet/stmicro/stmmac/stmmac_main.c

@@ -4129,9 +4129,6 @@ static int stmmac_release(struct net_device *dev)
 	/* Release and free the Rx/Tx resources */
 	free_dma_desc_resources(priv, &priv->dma_conf);
 
-	/* Disable the MAC Rx/Tx */
-	stmmac_mac_set(priv, priv->ioaddr, false);
-
 	/* Powerdown Serdes if there is */
 	if (priv->plat->serdes_powerdown)
 		priv->plat->serdes_powerdown(dev, priv->plat->bsp_priv);
@@ -7768,8 +7765,6 @@ void stmmac_dvr_remove(struct device *dev)
 
 	pm_runtime_get_sync(dev);
 
-	stmmac_stop_all_dma(priv);
-	stmmac_mac_set(priv, priv->ioaddr, false);
 	unregister_netdev(ndev);
 
 #ifdef CONFIG_DEBUG_FS