| From | Greg Kroah-Hartman <> | Subject | [PATCH v2 2/7] sysfs.h: add ATTRIBUTE_GROUPS() macro | Date | Wed, 10 Jul 2013 17:36:00 -0700 |
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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.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- include/linux/sysfs.h | 9 +++++++++ 1 file changed, 9 insertions(+)
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index 9cd20c8..f62ff01 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; -- 1.8.3.rc0.20.gb99dd2e
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