staging: Convert to using %pOFn instead of device_node.name

In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Cc: Steve Longerbeam <slongerbeam@gmail.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-media@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/media/imx/imx-media-dev.c

@@ -89,8 +89,12 @@ int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
 
 	/* return -EEXIST if this asd already added */
 	if (find_async_subdev(imxmd, fwnode, devname)) {
+		if (np)
+			dev_dbg(imxmd->md.dev, "%s: already added %pOFn\n",
+			__func__, np);
+		else
 			dev_dbg(imxmd->md.dev, "%s: already added %s\n",
-			__func__, np ? np->name : devname);
+			__func__, devname);
 		ret = -EEXIST;
 		goto out;
 	}
@@ -105,19 +109,20 @@ int imx_media_add_async_subdev(struct imx_media_dev *imxmd,
 	if (fwnode) {
 		asd->match_type = V4L2_ASYNC_MATCH_FWNODE;
 		asd->match.fwnode = fwnode;
+		dev_dbg(imxmd->md.dev, "%s: added %pOFn, match type FWNODE\n",
+			__func__, np);
 	} else {
 		asd->match_type = V4L2_ASYNC_MATCH_DEVNAME;
 		asd->match.device_name = devname;
 		imxasd->pdev = pdev;
+		dev_dbg(imxmd->md.dev, "%s: added %s, match type DEVNAME\n",
+			__func__, devname);
 	}
 
 	list_add_tail(&imxasd->list, &imxmd->asd_list);
 
 	imxmd->subdev_notifier.num_subdevs++;
 
-	dev_dbg(imxmd->md.dev, "%s: added %s, match type %s\n",
-		__func__, np ? np->name : devname, np ? "FWNODE" : "DEVNAME");
-
 out:
 	mutex_unlock(&imxmd->mutex);
 	return ret;

drivers/staging/media/imx/imx-media-of.c

@@ -79,8 +79,8 @@ of_parse_subdev(struct imx_media_dev *imxmd, struct device_node *sd_np,
 	int i, num_ports, ret;
 
 	if (!of_device_is_available(sd_np)) {
-		dev_dbg(imxmd->md.dev, "%s: %s not enabled\n", __func__,
-			sd_np->name);
+		dev_dbg(imxmd->md.dev, "%s: %pOFn not enabled\n", __func__,
+			sd_np);
 		/* unavailable is not an error */
 		return 0;
 	}

drivers/staging/mt7621-eth/mdio.c

@@ -70,7 +70,7 @@ int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac,
 	_port = of_get_property(phy_node, "reg", NULL);
 
 	if (!_port || (be32_to_cpu(*_port) >= 0x20)) {
-		pr_err("%s: invalid port id\n", phy_node->name);
+		pr_err("%pOFn: invalid port id\n", phy_node);
 		return -EINVAL;
 	}
 	port = be32_to_cpu(*_port);
@@ -249,7 +249,7 @@ int mtk_mdio_init(struct mtk_eth *eth)
 	eth->mii_bus->priv = eth;
 	eth->mii_bus->parent = eth->dev;
 
-	snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%s", mii_np->name);
+	snprintf(eth->mii_bus->id, MII_BUS_ID_SIZE, "%pOFn", mii_np);
 	err = of_mdiobus_register(eth->mii_bus, mii_np);
 	if (err)
 		goto err_free_bus;