mtd: use class_groups instead of class_attrs

The class_attrs pointer is long depreciated, and is about to be finally
removed, so move to use the class_groups pointer instead.

Cc: Artem Bityutskiy <dedekind1@gmail.com>
Acked-by: Richard Weinberger <richard@nod.at>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Brian Norris <computersforpeace@gmail.com>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>
Cc: Marek Vasut <marek.vasut@gmail.com>
Cc: Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>
Cc: <linux-mtd@lists.infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c
index 93e5d251a9e4557ecb961132bddb21048a295316..d854521962ef0921d917a03989ec7b1938da5fd8 100644 (file)
--- a/drivers/mtd/ubi/build.c
+++ b/drivers/mtd/ubi/build.c
@@ -104,23 +104,25 @@ DEFINE_MUTEX(ubi_devices_mutex);
 static DEFINE_SPINLOCK(ubi_devices_lock);
 
 /* "Show" method for files in '/<sysfs>/class/ubi/' */
-static ssize_t ubi_version_show(struct class *class,
-                               struct class_attribute *attr, char *buf)
+/* UBI version attribute ('/<sysfs>/class/ubi/version') */
+static ssize_t version_show(struct class *class, struct class_attribute *attr,
+                           char *buf)
 {
        return sprintf(buf, "%d\n", UBI_VERSION);
 }
+static CLASS_ATTR_RO(version);
 
-/* UBI version attribute ('/<sysfs>/class/ubi/version') */
-static struct class_attribute ubi_class_attrs[] = {
-       __ATTR(version, S_IRUGO, ubi_version_show, NULL),
-       __ATTR_NULL
+static struct attribute *ubi_class_attrs[] = {
+       &class_attr_version.attr,
+       NULL,
 };
+ATTRIBUTE_GROUPS(ubi_class);
 
 /* Root UBI "class" object (corresponds to '/<sysfs>/class/ubi/') */
 struct class ubi_class = {
        .name           = UBI_NAME_STR,
        .owner          = THIS_MODULE,
-       .class_attrs    = ubi_class_attrs,
+       .class_groups   = ubi_class_groups,
 };
 
 static ssize_t dev_attribute_show(struct device *dev,