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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-14 16:05:52 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-16 10:57:36 -0700
commitf2f37f58b1b933b06d6d84e80a31a1b500fb0db2 (patch)
tree0df34f53690241b69454f5077888bce4287e5dfc /include
parentb9b3259746d77f4fcb786e2a43c25bcc40773755 (diff)
downloadlinux-f2f37f58b1b933b06d6d84e80a31a1b500fb0db2.tar.gz
sysfs.h: add ATTRIBUTE_GROUPS() macro
To make it easier for driver subsystems to work with attribute groups,
create the ATTRIBUTE_GROUPS macro to remove some of the repetitive
typing for the most common use for attribute groups.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/sysfs.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 9cd20c8404e5..f62ff01e5f59 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -94,6 +94,15 @@ struct attribute_group {
 #define __ATTR_IGNORE_LOCKDEP	__ATTR
 #endif
 
+#define ATTRIBUTE_GROUPS(name)					\
+static const struct attribute_group name##_group = {		\
+	.attrs = name##_attrs,					\
+};								\
+static const struct attribute_group *name##_groups[] = {	\
+	&name##_group,						\
+	NULL,							\
+}
+
 #define attr_name(_attr) (_attr).attr.name
 
 struct file;