Commit f2f37f58 authored Jul 14, 2013 by Greg Kroah-Hartman

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>

parent b9b32597

include/linux/sysfs.h

+9 −0

Original line number	Diff line number	Diff line
		@@ -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;