linux-kernel - [PATCH 20/36] UIO: convert class code to use dev

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Date:	Wed, 24 Jul 2013 15:05:23 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Hans J. Koch" <hjk@...sjkoch.de>
Subject: [PATCH 20/36] UIO: convert class code to use dev_groups

The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the uio class code to use the
correct field.

Cc: Hans J. Koch <hjk@...sjkoch.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/uio/uio.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 3b96f185..170a178d 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -224,38 +224,42 @@ static struct kobj_type portio_attr_type = {
 	.default_attrs	= portio_attrs,
 };
 
-static ssize_t show_name(struct device *dev,
+static ssize_t name_show(struct device *dev,
 			 struct device_attribute *attr, char *buf)
 {
 	struct uio_device *idev = dev_get_drvdata(dev);
 	return sprintf(buf, "%s\n", idev->info->name);
 }
+static DEVICE_ATTR_RO(name);
 
-static ssize_t show_version(struct device *dev,
+static ssize_t version_show(struct device *dev,
 			    struct device_attribute *attr, char *buf)
 {
 	struct uio_device *idev = dev_get_drvdata(dev);
 	return sprintf(buf, "%s\n", idev->info->version);
 }
+static DEVICE_ATTR_RO(version);
 
-static ssize_t show_event(struct device *dev,
+static ssize_t event_show(struct device *dev,
 			  struct device_attribute *attr, char *buf)
 {
 	struct uio_device *idev = dev_get_drvdata(dev);
 	return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event));
 }
+static DEVICE_ATTR_RO(event);
 
-static struct device_attribute uio_class_attributes[] = {
-	__ATTR(name, S_IRUGO, show_name, NULL),
-	__ATTR(version, S_IRUGO, show_version, NULL),
-	__ATTR(event, S_IRUGO, show_event, NULL),
-	{}
+static struct attribute *uio_attrs[] = {
+	&dev_attr_name.attr,
+	&dev_attr_version.attr,
+	&dev_attr_event.attr,
+	NULL,
 };
+ATTRIBUTE_GROUPS(uio);
 
 /* UIO class infrastructure */
 static struct class uio_class = {
 	.name = "uio",
-	.dev_attrs = uio_class_attributes,
+	.dev_groups = uio_groups,
 };
 
 /*
-- 
1.8.3.rc0.20.gb99dd2e

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