Merge branch 'bcm_sf2-fixes'

Florian Fainelli says:

====================
net: dsa: bcm_sf2: Couple fixes

Here are a couple of fixes for bcm_sf2, please queue these up for -stable
as well, thank you very much!
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index 9ec33b5..2ce7ae9 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -393,7 +393,7 @@
 	if (addr == BRCM_PSEUDO_PHY_ADDR && priv->indir_phy_mask & BIT(addr))
 		return bcm_sf2_sw_indir_rw(priv, 1, addr, regnum, 0);
 	else
-		return mdiobus_read(priv->master_mii_bus, addr, regnum);
+		return mdiobus_read_nested(priv->master_mii_bus, addr, regnum);
 }
 
 static int bcm_sf2_sw_mdio_write(struct mii_bus *bus, int addr, int regnum,
@@ -407,7 +407,7 @@
 	if (addr == BRCM_PSEUDO_PHY_ADDR && priv->indir_phy_mask & BIT(addr))
 		bcm_sf2_sw_indir_rw(priv, 0, addr, regnum, val);
 	else
-		mdiobus_write(priv->master_mii_bus, addr, regnum, val);
+		mdiobus_write_nested(priv->master_mii_bus, addr, regnum, val);
 
 	return 0;
 }
@@ -982,6 +982,7 @@
 	const char *reg_names[BCM_SF2_REGS_NUM] = BCM_SF2_REGS_NAME;
 	struct device_node *dn = pdev->dev.of_node;
 	struct b53_platform_data *pdata;
+	struct dsa_switch_ops *ops;
 	struct bcm_sf2_priv *priv;
 	struct b53_device *dev;
 	struct dsa_switch *ds;
@@ -995,6 +996,10 @@
 	if (!priv)
 		return -ENOMEM;
 
+	ops = devm_kzalloc(&pdev->dev, sizeof(*ops), GFP_KERNEL);
+	if (!ops)
+		return -ENOMEM;
+
 	dev = b53_switch_alloc(&pdev->dev, &bcm_sf2_io_ops, priv);
 	if (!dev)
 		return -ENOMEM;
@@ -1014,6 +1019,8 @@
 	ds = dev->ds;
 
 	/* Override the parts that are non-standard wrt. normal b53 devices */
+	memcpy(ops, ds->ops, sizeof(*ops));
+	ds->ops = ops;
 	ds->ops->get_tag_protocol = bcm_sf2_sw_get_tag_protocol;
 	ds->ops->setup = bcm_sf2_sw_setup;
 	ds->ops->get_phy_flags = bcm_sf2_sw_get_phy_flags;