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-rw-r--r--include/linux/sysdev.h18
1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/sysdev.h b/include/linux/sysdev.h
index 2a4b432e117..166a2e58c28 100644
--- a/include/linux/sysdev.h
+++ b/include/linux/sysdev.h
@@ -37,11 +37,27 @@ struct sysdev_class {
struct kset kset;
};
+struct sysdev_class_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct sysdev_class *, char *);
+ ssize_t (*store)(struct sysdev_class *, const char *, size_t);
+};
+
+#define SYSDEV_CLASS_ATTR(_name,_mode,_show,_store) \
+struct sysdev_class_attribute attr_##_name = { \
+ .attr = {.name = __stringify(_name), .mode = _mode }, \
+ .show = _show, \
+ .store = _store, \
+};
+
extern int sysdev_class_register(struct sysdev_class *);
extern void sysdev_class_unregister(struct sysdev_class *);
-
+extern int sysdev_class_create_file(struct sysdev_class *,
+ struct sysdev_class_attribute *);
+extern void sysdev_class_remove_file(struct sysdev_class *,
+ struct sysdev_class_attribute *);
/**
* Auxillary system device drivers.
*/