diff mbox series

ALSA: soundbus: Remove direct OF name and type accesses

Message ID 20181205195050.4759-32-robh@kernel.org (mailing list archive)
State Not Applicable
Headers show
Series ALSA: soundbus: Remove direct OF name and type accesses | expand

Checks

Context Check Description
snowpatch_ozlabs/apply_patch success next/apply_patch Successfully applied
snowpatch_ozlabs/build-ppc64le success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/build-ppc64be success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/build-ppc64e success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/build-pmac32 success build succeded & removed 0 sparse warning(s)
snowpatch_ozlabs/checkpatch fail total: 1 errors, 1 warnings, 0 checks, 64 lines checked

Commit Message

Rob Herring (Arm) Dec. 5, 2018, 7:50 p.m. UTC 
Convert soundbus uevent and sysfs OF node name and device type usage to
use printf specifier and helper functions instead of directly accessing
the name and type pointers. This will allow the eventual removal of the
pointers.

Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: alsa-devel@alsa-project.org
Signed-off-by: Rob Herring <robh@kernel.org>
---
 sound/aoa/soundbus/core.c  |  2 +-
 sound/aoa/soundbus/sysfs.c | 34 +++++++++++++++++++++-------------
 2 files changed, 22 insertions(+), 14 deletions(-)

Comments

Takashi Iwai Dec. 6, 2018, 9:55 a.m. UTC | #1 
On Wed, 05 Dec 2018 20:50:48 +0100,
Rob Herring wrote:
> 
> Convert soundbus uevent and sysfs OF node name and device type usage to
> use printf specifier and helper functions instead of directly accessing
> the name and type pointers. This will allow the eventual removal of the
> pointers.
> 
> Cc: Johannes Berg <johannes@sipsolutions.net>
> Cc: Jaroslav Kysela <perex@perex.cz>
> Cc: Takashi Iwai <tiwai@suse.com>
> Cc: linuxppc-dev@lists.ozlabs.org
> Cc: alsa-devel@alsa-project.org
> Signed-off-by: Rob Herring <robh@kernel.org>

Applied, thanks.


Takashi
diff mbox series

Patch

diff --git a/sound/aoa/soundbus/core.c b/sound/aoa/soundbus/core.c
index f3076a3f7f2f..065d3a55725e 100644
--- a/sound/aoa/soundbus/core.c
+++ b/sound/aoa/soundbus/core.c
@@ -74,7 +74,7 @@  static int soundbus_uevent(struct device *dev, struct kobj_uevent_env *env)
 	of = &soundbus_dev->ofdev;
 
 	/* stuff we want to pass to /sbin/hotplug */
-	retval = add_uevent_var(env, "OF_NAME=%s", of->dev.of_node->name);
+	retval = add_uevent_var(env, "OF_NAME=%pOFn", of->dev.of_node);
 	if (retval)
 		return retval;
 
diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c
index 81da020bddef..a2d55e15afbb 100644
--- a/sound/aoa/soundbus/sysfs.c
+++ b/sound/aoa/soundbus/sysfs.c
@@ -1,18 +1,10 @@ 
 // SPDX-License-Identifier: GPL-2.0
 #include <linux/kernel.h>
+#include <linux/of.h>
 #include <linux/stat.h>
 /* FIX UP */
 #include "soundbus.h"
 
-#define soundbus_config_of_attr(field, format_string)			\
-static ssize_t								\
-field##_show (struct device *dev, struct device_attribute *attr,	\
-              char *buf)						\
-{									\
-	struct soundbus_dev *mdev = to_soundbus_device (dev);		\
-	return sprintf (buf, format_string, mdev->ofdev.dev.of_node->field); \
-}
-
 static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 			     char *buf)
 {
@@ -25,17 +17,33 @@  static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 		strcat(buf, "\n");
 		length = strlen(buf);
 	} else {
-		length = sprintf(buf, "of:N%sT%s\n",
-				 of->dev.of_node->name, of->dev.of_node->type);
+		length = sprintf(buf, "of:N%pOFn%c%s\n",
+				 of->dev.of_node, 'T',
+                                 of_node_get_device_type(of->dev.of_node));
 	}
 
 	return length;
 }
 static DEVICE_ATTR_RO(modalias);
 
-soundbus_config_of_attr (name, "%s\n");
+static ssize_t name_show(struct device *dev,
+			 struct device_attribute *attr, char *buf)
+{
+	struct soundbus_dev *sdev = to_soundbus_device(dev);
+	struct platform_device *of = &sdev->ofdev;
+
+	return sprintf(buf, "%pOFn\n", of->dev.of_node);
+}
 static DEVICE_ATTR_RO(name);
-soundbus_config_of_attr (type, "%s\n");
+
+static ssize_t type_show(struct device *dev,
+			 struct device_attribute *attr, char *buf)
+{
+	struct soundbus_dev *sdev = to_soundbus_device(dev);
+	struct platform_device *of = &sdev->ofdev;
+
+	return sprintf(buf, "%s\n", of_node_get_device_type(of->dev.of_node));
+}
 static DEVICE_ATTR_RO(type);
 
 struct attribute *soundbus_dev_attrs[] = {