* for examples..
  */
 
-#define __ATTR(_name,_mode,_show,_store) { \
-       .attr = {.name = __stringify(_name), .mode = _mode },   \
-       .show   = _show,                                        \
-       .store  = _store,                                       \
+#define __ATTR(_name,_mode,_show,_store) {                             \
+       .attr = {.name = __stringify(_name), .mode = _mode },           \
+       .show   = _show,                                                \
+       .store  = _store,                                               \
 }
 
-#define __ATTR_RO(_name) { \
-       .attr   = { .name = __stringify(_name), .mode = 0444 }, \
-       .show   = _name##_show,                                 \
+#define __ATTR_RO(_name) {                                             \
+       .attr   = { .name = __stringify(_name), .mode = S_IRUGO },      \
+       .show   = _name##_show,                                         \
 }
 
-#define __ATTR_RW(_name) __ATTR(_name, 0644, _name##_show, _name##_store)
+#define __ATTR_RW(_name) __ATTR(_name, (S_IWUSR | S_IRUGO),            \
+                        _name##_show, _name##_store)
 
 #define __ATTR_NULL { .attr = { .name = NULL } }