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Message-Id: <1373486714-14531-3-git-send-email-gregkh@linuxfoundation.org>
Date: Wed, 10 Jul 2013 13:05:10 -0700
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: oliver+list@...inagl.nl, linux@...ck-us.net, khali@...ux-fr.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [PATCH 2/6] 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.
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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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