net: miiphybb: Drop priv from struct bb_miiphy_bus

Remove the priv member from struct bb_miiphy_bus and its assignment
from drivers. This turns struct bb_miiphy_bus int struct mii_dev
wrapper, to be cleaned up next.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Reviewed-by: Paul Barker <paul.barker.ct@bp.renesas.com>
diff --git a/board/gdsys/a38x/ihs_phys.c b/board/gdsys/a38x/ihs_phys.c
index 86a4049..7aa427e 100644
--- a/board/gdsys/a38x/ihs_phys.c
+++ b/board/gdsys/a38x/ihs_phys.c
@@ -257,9 +257,6 @@
 	mdiodev->write = mii_bb_miiphy_write;
 	mdiodev->priv = &gpio_mii_set[k];
 
-	/* Copy the bus accessors and private data */
-	bb_miiphy->priv = &gpio_mii_set[k];
-
 	retval = mdio_register(mdiodev);
 	if (retval < 0)
 		return retval;
diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c
index 52547b2..dcd8ba9 100644
--- a/drivers/net/ravb.c
+++ b/drivers/net/ravb.c
@@ -601,9 +601,6 @@
 	mdiodev->priv = eth;
 	snprintf(mdiodev->name, sizeof(mdiodev->name), dev->name);
 
-	/* Copy the bus accessors and private data */
-	bb_miiphy->priv = eth;
-
 	ret = mdio_register(mdiodev);
 	if (ret < 0)
 		goto err_mdio_register;
diff --git a/drivers/net/sh_eth.c b/drivers/net/sh_eth.c
index c898a22..c2e2f3f 100644
--- a/drivers/net/sh_eth.c
+++ b/drivers/net/sh_eth.c
@@ -763,9 +763,6 @@
 	mdiodev->priv = eth;
 	snprintf(mdiodev->name, sizeof(mdiodev->name), udev->name);
 
-	/* Copy the bus accessors and private data */
-	bb_miiphy->priv = eth;
-
 	ret = mdio_register(mdiodev);
 	if (ret < 0)
 		goto err_mdio_register;
diff --git a/include/miiphy.h b/include/miiphy.h
index 9b8b427..d267837 100644
--- a/include/miiphy.h
+++ b/include/miiphy.h
@@ -74,7 +74,6 @@
 };
 
 struct bb_miiphy_bus {
-	void *priv;
 	struct mii_dev mii;
 };