linux-kernel - [PATCH v2] macintosh: Convert to using %pOFn instead of device

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Message-Id: <20180904184352.7836-1-robh@kernel.org>
Date:   Tue,  4 Sep 2018 13:43:52 -0500
From:   Rob Herring <robh@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH v2] macintosh: 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@...nel.crashing.org>
Cc: linuxppc-dev@...ts.ozlabs.org
Signed-off-by: Rob Herring <robh@...nel.org>
---
v2: Add setting dev_name in macio_asic.c

 drivers/macintosh/macio_asic.c            | 8 ++++----
 drivers/macintosh/macio_sysfs.c           | 8 +++++++-
 drivers/macintosh/windfarm_smu_controls.c | 4 ++--
 3 files changed, 13 insertions(+), 7 deletions(-)

diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index 07074820a167..cf2d3b3dd599 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -403,19 +403,19 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
 
 	/* MacIO itself has a different reg, we use it's PCI base */
 	if (np == chip->of_node) {
-		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
+		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*pOFn",
 			     chip->lbus.index,
 #ifdef CONFIG_PCI
 			(unsigned int)pci_resource_start(chip->lbus.pdev, 0),
 #else
 			0, /* NuBus may want to do something better here */
 #endif
-			MAX_NODE_NAME_SIZE, np->name);
+			MAX_NODE_NAME_SIZE, np);
 	} else {
 		reg = of_get_property(np, "reg", NULL);
-		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*s",
+		dev_set_name(&dev->ofdev.dev, "%1d.%08x:%.*pOFn",
 			     chip->lbus.index,
-			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, np->name);
+			     reg ? *reg : 0, MAX_NODE_NAME_SIZE, np);
 	}
 
 	/* Setup interrupts & resources */
diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c
index ca4fcffe454b..d2451e58acb9 100644
--- a/drivers/macintosh/macio_sysfs.c
+++ b/drivers/macintosh/macio_sysfs.c
@@ -58,7 +58,13 @@ static ssize_t devspec_show(struct device *dev,
 static DEVICE_ATTR_RO(modalias);
 static DEVICE_ATTR_RO(devspec);
 
-macio_config_of_attr (name, "%s\n");
+static ssize_t name_show(struct device *dev,
+			 struct device_attribute *attr, char *buf)
+{
+	return sprintf(buf, "%pOFn\n", dev->of_node);
+}
+static DEVICE_ATTR_RO(name);
+
 macio_config_of_attr (type, "%s\n");
 
 static struct attribute *macio_dev_attrs[] = {
diff --git a/drivers/macintosh/windfarm_smu_controls.c b/drivers/macintosh/windfarm_smu_controls.c
index d174c7437337..86d65462a61c 100644
--- a/drivers/macintosh/windfarm_smu_controls.c
+++ b/drivers/macintosh/windfarm_smu_controls.c
@@ -277,7 +277,7 @@ static int __init smu_controls_init(void)
 		fct = smu_fan_create(fan, 0);
 		if (fct == NULL) {
 			printk(KERN_WARNING "windfarm: Failed to create SMU "
-			       "RPM fan %s\n", fan->name);
+			       "RPM fan %pOFn\n", fan);
 			continue;
 		}
 		list_add(&fct->link, &smu_fans);
@@ -296,7 +296,7 @@ static int __init smu_controls_init(void)
 		fct = smu_fan_create(fan, 1);
 		if (fct == NULL) {
 			printk(KERN_WARNING "windfarm: Failed to create SMU "
-			       "PWM fan %s\n", fan->name);
+			       "PWM fan %pOFn\n", fan);
 			continue;
 		}
 		list_add(&fct->link, &smu_fans);
-- 
2.17.1