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-rw-r--r--kernel/power/power.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index caadb566e82b..efe1b3b17c88 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -77,6 +77,15 @@ static struct kobj_attribute _name##_attr = { \
.store = _name##_store, \
}
+#define power_attr_ro(_name) \
+static struct kobj_attribute _name##_attr = { \
+ .attr = { \
+ .name = __stringify(_name), \
+ .mode = S_IRUGO, \
+ }, \
+ .show = _name##_show, \
+}
+
/* Preferred image size in bytes (default 500 MB) */
extern unsigned long image_size;
/* Size of memory reserved for drivers (default SPARE_PAGES x PAGE_SIZE) */