sh: superhyway: use dev_groups and not dev_attrs for bus_type

The dev_attrs field has long been "depreciated" and is finally being
removed, so move the driver to use the "correct" dev_groups field
instead for struct bus_type.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-sh@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/sh/superhyway/superhyway-sysfs.c

@@ -19,7 +19,8 @@ static ssize_t name##_show(struct device *dev, struct device_attribute *attr, ch
 {									\
 	struct superhyway_device *s = to_superhyway_device(dev);	\
 	return sprintf(buf, fmt, s->field);				\
-}
+}									\
+static DEVICE_ATTR_RO(name);
 
 /* VCR flags */
 superhyway_ro_attr(perr_flags, "0x%02x\n", vcr.perr_flags);
@@ -32,14 +33,22 @@ superhyway_ro_attr(top_mb, "0x%02x\n", vcr.top_mb);
 /* Misc */
 superhyway_ro_attr(resource, "0x%08lx\n", resource[0].start);
 
-struct device_attribute superhyway_dev_attrs[] = {
-	__ATTR_RO(perr_flags),
-	__ATTR_RO(merr_flags),
-	__ATTR_RO(mod_vers),
-	__ATTR_RO(mod_id),
-	__ATTR_RO(bot_mb),
-	__ATTR_RO(top_mb),
-	__ATTR_RO(resource),
-	__ATTR_NULL,
+static struct attribute *superhyway_dev_attrs[] = {
+	&dev_attr_perr_flags.attr,
+	&dev_attr_merr_flags.attr,
+	&dev_attr_mod_vers.attr,
+	&dev_attr_mod_id.attr,
+	&dev_attr_bot_mb.attr,
+	&dev_attr_top_mb.attr,
+	&dev_attr_resource.attr,
+	NULL,
 };
 
+static const struct attribute_group superhyway_dev_group = {
+	.attrs = superhyway_dev_attrs,
+};
+
+const struct attribute_group *superhyway_dev_groups[] = {
+	&superhyway_dev_group,
+	NULL,
+};

drivers/sh/superhyway/superhyway.c

@@ -209,7 +209,7 @@ struct bus_type superhyway_bus_type = {
 	.name		= "superhyway",
 	.match		= superhyway_bus_match,
 #ifdef CONFIG_SYSFS
-	.dev_attrs	= superhyway_dev_attrs,
+	.dev_groups	= superhyway_dev_groups,
 #endif
 	.probe		= superhyway_device_probe,
 	.remove		= superhyway_device_remove,

include/linux/superhyway.h

@@ -101,7 +101,7 @@ int superhyway_add_device(unsigned long base, struct superhyway_device *, struct
 int superhyway_add_devices(struct superhyway_bus *bus, struct superhyway_device **devices, int nr_devices);
 
 /* drivers/sh/superhyway/superhyway-sysfs.c */
-extern struct device_attribute superhyway_dev_attrs[];
+extern const struct attribute_group *superhyway_dev_groups[];
 
 #endif /* __LINUX_SUPERHYWAY_H */