merge

1 files changed, 21 insertions, 0 deletions

diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 4cb54379e85a..f94c7ac77c48 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -24,6 +24,27 @@ struct attribute_group {
 };
 
 
+
+/**
+ * Use these macros to make defining attributes easier. See include/linux/device.h
+ * for examples..
+ */
+
+#define __ATTR(_name,_mode,_show,_store) { \
+	.attr = {.name = __stringify(_name), .mode = _mode, .owner = THIS_MODULE },	\
+	.show	= _show,					\
+	.store	= _store,					\
+}
+
+#define __ATTR_RO(_name) { \
+	.attr	= { .name = __stringify(_name), .mode = 0444, .owner = THIS_MODULE },	\
+	.show	= _name##_show,	\
+}
+
+#define __ATTR_NULL { .attr = { .name = NULL } }
+
+#define attr_name(_attr) (_attr).attr.name
+
 struct bin_attribute {
 	struct attribute	attr;
 	size_t			size;