treewide: use dm_mdio_read/write/reset() wrappers

Use the new dm_mdio_read/write/reset() wrappers treewide, instead of
always getting and dereferencing MDIO operations structure pointer.

Signed-off-by: Marek BehĂșn <marek.behun@nic.cz>
Reviewed-by: Ramon Fried <rfried.dev@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
diff --git a/drivers/net/mdio_mux_sandbox.c b/drivers/net/mdio_mux_sandbox.c
index fff6ddb..e1801c1 100644
--- a/drivers/net/mdio_mux_sandbox.c
+++ b/drivers/net/mdio_mux_sandbox.c
@@ -20,7 +20,6 @@
 static int mdio_mux_sandbox_mark_selection(struct udevice *dev, int sel)
 {
 	struct udevice *mdio;
-	struct mdio_ops *ops;
 	int err;
 
 	/*
@@ -30,9 +29,8 @@
 	err = uclass_get_device_by_name(UCLASS_MDIO, "mdio-test", &mdio);
 	if (err)
 		return err;
-	ops = mdio_get_ops(mdio);
-	return ops->write(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			  SANDBOX_PHY_REG_CNT - 1, (u16)sel);
+	return dm_mdio_write(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			     SANDBOX_PHY_REG_CNT - 1, (u16)sel);
 }
 
 static int mdio_mux_sandbox_select(struct udevice *dev, int cur, int sel)
diff --git a/net/mdio-mux-uclass.c b/net/mdio-mux-uclass.c
index 780526c..94b90e0 100644
--- a/net/mdio-mux-uclass.c
+++ b/net/mdio-mux-uclass.c
@@ -54,11 +54,6 @@
 	return pdata->mdio_parent;
 }
 
-static struct mdio_ops *mmux_get_mdio_parent_ops(struct udevice *mux)
-{
-	return mdio_get_ops(mmux_get_parent_mdio(mux));
-}
-
 /* call driver select function before performing MDIO r/w */
 static int mmux_change_sel(struct udevice *ch, bool sel)
 {
@@ -90,14 +85,13 @@
 {
 	struct udevice *mux = ch->parent;
 	struct udevice *parent_mdio = mmux_get_parent_mdio(mux);
-	struct mdio_ops *parent_ops = mmux_get_mdio_parent_ops(mux);
 	int err;
 
 	err = mmux_change_sel(ch, true);
 	if (err)
 		return err;
 
-	err = parent_ops->read(parent_mdio, addr, devad, reg);
+	err = dm_mdio_read(parent_mdio, addr, devad, reg);
 	mmux_change_sel(ch, false);
 
 	return err;
@@ -109,14 +103,13 @@
 {
 	struct udevice *mux = ch->parent;
 	struct udevice *parent_mdio = mmux_get_parent_mdio(mux);
-	struct mdio_ops *parent_ops = mmux_get_mdio_parent_ops(mux);
 	int err;
 
 	err = mmux_change_sel(ch, true);
 	if (err)
 		return err;
 
-	err = parent_ops->write(parent_mdio, addr, devad, reg, val);
+	err = dm_mdio_write(parent_mdio, addr, devad, reg, val);
 	mmux_change_sel(ch, false);
 
 	return err;
@@ -127,18 +120,17 @@
 {
 	struct udevice *mux = ch->parent;
 	struct udevice *parent_mdio = mmux_get_parent_mdio(mux);
-	struct mdio_ops *parent_ops = mmux_get_mdio_parent_ops(mux);
 	int err;
 
 	/* reset is optional, if it's not implemented just exit */
-	if (!parent_ops->reset)
+	if (!mdio_get_ops(parent_mdio)->reset)
 		return 0;
 
 	err = mmux_change_sel(ch, true);
 	if (err)
 		return err;
 
-	err = parent_ops->reset(parent_mdio);
+	err = dm_mdio_reset(parent_mdio);
 	mmux_change_sel(ch, false);
 
 	return err;
diff --git a/net/mdio-uclass.c b/net/mdio-uclass.c
index 887c228..bef8280 100644
--- a/net/mdio-uclass.c
+++ b/net/mdio-uclass.c
@@ -95,27 +95,18 @@
  */
 static int mdio_read(struct mii_dev *mii_bus, int addr, int devad, int reg)
 {
-	struct udevice *dev = mii_bus->priv;
-
-	return mdio_get_ops(dev)->read(dev, addr, devad, reg);
+	return dm_mdio_read(mii_bus->priv, addr, devad, reg);
 }
 
 static int mdio_write(struct mii_dev *mii_bus, int addr, int devad, int reg,
 		      u16 val)
 {
-	struct udevice *dev = mii_bus->priv;
-
-	return mdio_get_ops(dev)->write(dev, addr, devad, reg, val);
+	return dm_mdio_write(mii_bus->priv, addr, devad, reg, val);
 }
 
 static int mdio_reset(struct mii_dev *mii_bus)
 {
-	struct udevice *dev = mii_bus->priv;
-
-	if (mdio_get_ops(dev)->reset)
-		return mdio_get_ops(dev)->reset(dev);
-	else
-		return 0;
+	return dm_mdio_reset(mii_bus->priv);
 }
 
 static int dm_mdio_post_probe(struct udevice *dev)
@@ -135,10 +126,8 @@
 static int dm_mdio_pre_remove(struct udevice *dev)
 {
 	struct mdio_perdev_priv *pdata = dev_get_uclass_priv(dev);
-	struct mdio_ops *ops = mdio_get_ops(dev);
 
-	if (ops->reset)
-		ops->reset(dev);
+	dm_mdio_reset(dev);
 	mdio_unregister(pdata->mii_bus);
 	mdio_free(pdata->mii_bus);
 
diff --git a/test/dm/mdio.c b/test/dm/mdio.c
index 64347e1..f863c52 100644
--- a/test/dm/mdio.c
+++ b/test/dm/mdio.c
@@ -38,18 +38,18 @@
 	ut_assertnonnull(ops->read);
 	ut_assertnonnull(ops->write);
 
-	ut_assertok(ops->write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			       SANDBOX_PHY_REG, TEST_REG_VALUE));
-	reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG);
+	ut_assertok(dm_mdio_write(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+				  SANDBOX_PHY_REG, TEST_REG_VALUE));
+	reg = dm_mdio_read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG);
 	ut_asserteq(reg, TEST_REG_VALUE);
 
-	ut_assert(ops->read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
-			    SANDBOX_PHY_REG) != 0);
+	ut_assert(dm_mdio_read(dev, SANDBOX_PHY_ADDR + 1, MDIO_DEVAD_NONE,
+			       SANDBOX_PHY_REG) != 0);
 
-	ut_assertok(ops->reset(dev));
-	reg = ops->read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG);
+	ut_assertok(dm_mdio_reset(dev));
+	reg = dm_mdio_read(dev, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG);
 	ut_asserteq(reg, 0);
 
 	return 0;
diff --git a/test/dm/mdio_mux.c b/test/dm/mdio_mux.c
index 950f385..bfe3518 100644
--- a/test/dm/mdio_mux.c
+++ b/test/dm/mdio_mux.c
@@ -57,22 +57,22 @@
 	 * is selected to the selection #.  Just reading that register from
 	 * either of the child buses should return the id of the child bus
 	 */
-	reg = ops->read(mdio_ch0, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG_CNT - 1);
+	reg = dm_mdio_read(mdio_ch0, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG_CNT - 1);
 	ut_asserteq(reg, 0);
 
-	reg = ops->read(mdio_ch1, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG_CNT - 1);
+	reg = dm_mdio_read(mdio_ch1, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG_CNT - 1);
 	ut_asserteq(reg, 1);
 
 	mmops->select(mux, MDIO_MUX_SELECT_NONE, 5);
-	reg = ops_parent->read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG_CNT - 1);
+	reg = dm_mdio_read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG_CNT - 1);
 	ut_asserteq(reg, 5);
 
 	mmops->deselect(mux, 5);
-	reg = ops_parent->read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
-			SANDBOX_PHY_REG_CNT - 1);
+	reg = dm_mdio_read(mdio, SANDBOX_PHY_ADDR, MDIO_DEVAD_NONE,
+			   SANDBOX_PHY_REG_CNT - 1);
 	ut_asserteq(reg, (u16)MDIO_MUX_SELECT_NONE);
 
 	return 0;