powerpc: 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: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

3 files changed, 28 insertions, 29 deletions

diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 6ef77caf7bcf..2f8e62163602 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -287,7 +287,7 @@ static int pseries_add_processor(struct device_node *np)
 
 	if (cpumask_empty(tmp)) {
 		printk(KERN_ERR "Unable to find space in cpu_present_mask for"
-		       " processor %s with %d thread(s)\n", np->name,
+		       " processor %pOFn with %d thread(s)\n", np,
 		       nthreads);
 		goto out_unlock;
 	}
@@ -481,8 +481,8 @@ static ssize_t dlpar_cpu_add(u32 drc_index)
 
 	if (rc) {
 		saved_rc = rc;
-		pr_warn("Failed to attach node %s, rc: %d, drc index: %x\n",
-			dn->name, rc, drc_index);
+		pr_warn("Failed to attach node %pOFn, rc: %d, drc index: %x\n",
+			dn, rc, drc_index);
 
 		rc = dlpar_release_drc(drc_index);
 		if (!rc)
@@ -494,8 +494,8 @@ static ssize_t dlpar_cpu_add(u32 drc_index)
 	rc = dlpar_online_cpu(dn);
 	if (rc) {
 		saved_rc = rc;
-		pr_warn("Failed to online cpu %s, rc: %d, drc index: %x\n",
-			dn->name, rc, drc_index);
+		pr_warn("Failed to online cpu %pOFn, rc: %d, drc index: %x\n",
+			dn, rc, drc_index);
 
 		rc = dlpar_detach_node(dn);
 		if (!rc)
@@ -504,7 +504,7 @@ static ssize_t dlpar_cpu_add(u32 drc_index)
 		return saved_rc;
 	}
 
-	pr_debug("Successfully added CPU %s, drc index: %x\n", dn->name,
+	pr_debug("Successfully added CPU %pOFn, drc index: %x\n", dn,
 		 drc_index);
 	return rc;
 }
@@ -570,19 +570,19 @@ static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)
 {
 	int rc;
 
-	pr_debug("Attempting to remove CPU %s, drc index: %x\n",
-		 dn->name, drc_index);
+	pr_debug("Attempting to remove CPU %pOFn, drc index: %x\n",
+		 dn, drc_index);
 
 	rc = dlpar_offline_cpu(dn);
 	if (rc) {
-		pr_warn("Failed to offline CPU %s, rc: %d\n", dn->name, rc);
+		pr_warn("Failed to offline CPU %pOFn, rc: %d\n", dn, rc);
 		return -EINVAL;
 	}
 
 	rc = dlpar_release_drc(drc_index);
 	if (rc) {
-		pr_warn("Failed to release drc (%x) for CPU %s, rc: %d\n",
-			drc_index, dn->name, rc);
+		pr_warn("Failed to release drc (%x) for CPU %pOFn, rc: %d\n",
+			drc_index, dn, rc);
 		dlpar_online_cpu(dn);
 		return rc;
 	}
@@ -591,7 +591,7 @@ static ssize_t dlpar_cpu_remove(struct device_node *dn, u32 drc_index)
 	if (rc) {
 		int saved_rc = rc;
 
-		pr_warn("Failed to detach CPU %s, rc: %d", dn->name, rc);
+		pr_warn("Failed to detach CPU %pOFn, rc: %d", dn, rc);
 
 		rc = dlpar_acquire_drc(drc_index);
 		if (!rc)
@@ -662,8 +662,8 @@ static int find_dlpar_cpus_to_remove(u32 *cpu_drcs, int cpus_to_remove)
 		rc = of_property_read_u32(dn, "ibm,my-drc-index",
 					  &cpu_drcs[cpus_found - 1]);
 		if (rc) {
-			pr_warn("Error occurred getting drc-index for %s\n",
-				dn->name);
+			pr_warn("Error occurred getting drc-index for %pOFn\n",
+				dn);
 			of_node_put(dn);
 			return -1;
 		}
diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c
index c7c1140c13b6..5b4a56131904 100644
--- a/arch/powerpc/platforms/pseries/ibmebus.c
+++ b/arch/powerpc/platforms/pseries/ibmebus.c
@@ -404,7 +404,7 @@ static ssize_t name_show(struct device *dev,
 	struct platform_device *ofdev;
 
 	ofdev = to_platform_device(dev);
-	return sprintf(buf, "%s\n", ofdev->dev.of_node->name);
+	return sprintf(buf, "%pOFn\n", ofdev->dev.of_node);
 }
 static DEVICE_ATTR_RO(name);
 
diff --git a/arch/powerpc/platforms/pseries/vio.c b/arch/powerpc/platforms/pseries/vio.c
index 49e04ec19238..88f1ad1d6309 100644
--- a/arch/powerpc/platforms/pseries/vio.c
+++ b/arch/powerpc/platforms/pseries/vio.c
@@ -1349,7 +1349,6 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 	struct device_node *parent_node;
 	const __be32 *prop;
 	enum vio_dev_family family;
-	const char *of_node_name = of_node->name ? of_node->name : "<unknown>";
 
 	/*
 	 * Determine if this node is a under the /vdevice node or under the
@@ -1362,24 +1361,24 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 		else if (!strcmp(parent_node->type, "vdevice"))
 			family = VDEVICE;
 		else {
-			pr_warn("%s: parent(%pOF) of %s not recognized.\n",
+			pr_warn("%s: parent(%pOF) of %pOFn not recognized.\n",
 					__func__,
 					parent_node,
-					of_node_name);
+					of_node);
 			of_node_put(parent_node);
 			return NULL;
 		}
 		of_node_put(parent_node);
 	} else {
-		pr_warn("%s: could not determine the parent of node %s.\n",
-				__func__, of_node_name);
+		pr_warn("%s: could not determine the parent of node %pOFn.\n",
+				__func__, of_node);
 		return NULL;
 	}
 
 	if (family == PFO) {
 		if (of_get_property(of_node, "interrupt-controller", NULL)) {
-			pr_debug("%s: Skipping the interrupt controller %s.\n",
-					__func__, of_node_name);
+			pr_debug("%s: Skipping the interrupt controller %pOFn.\n",
+					__func__, of_node);
 			return NULL;
 		}
 	}
@@ -1399,15 +1398,15 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 		if (of_node->type != NULL)
 			viodev->type = of_node->type;
 		else {
-			pr_warn("%s: node %s is missing the 'device_type' "
-					"property.\n", __func__, of_node_name);
+			pr_warn("%s: node %pOFn is missing the 'device_type' "
+					"property.\n", __func__, of_node);
 			goto out;
 		}
 
 		prop = of_get_property(of_node, "reg", NULL);
 		if (prop == NULL) {
-			pr_warn("%s: node %s missing 'reg'\n",
-					__func__, of_node_name);
+			pr_warn("%s: node %pOFn missing 'reg'\n",
+					__func__, of_node);
 			goto out;
 		}
 		unit_address = of_read_number(prop, 1);
@@ -1422,8 +1421,8 @@ struct vio_dev *vio_register_device_node(struct device_node *of_node)
 		if (prop != NULL)
 			viodev->resource_id = of_read_number(prop, 1);
 
-		dev_set_name(&viodev->dev, "%s", of_node_name);
-		viodev->type = of_node_name;
+		dev_set_name(&viodev->dev, "%pOFn", of_node);
+		viodev->type = dev_name(&viodev->dev);
 		viodev->irq = 0;
 	}
 
@@ -1694,7 +1693,7 @@ struct vio_dev *vio_find_node(struct device_node *vnode)
 		snprintf(kobj_name, sizeof(kobj_name), "%x",
 			 (uint32_t)of_read_number(prop, 1));
 	} else if (!strcmp(dev_type, "ibm,platform-facilities"))
-		snprintf(kobj_name, sizeof(kobj_name), "%s", vnode->name);
+		snprintf(kobj_name, sizeof(kobj_name), "%pOFn", vnode);
 	else
 		return NULL;