diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index 211a335a608d…ee3cccaf5f06 100644
— a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -290,7 +290,7 @@ static ssize_t regmap_map_read_file(struct file *file, char __user *user_buf,
count, ppos);
}
-#undef REGMAP_ALLOW_WRITE_DEBUGFS
+#define REGMAP_ALLOW_WRITE_DEBUGFS
#ifdef REGMAP_ALLOW_WRITE_DEBUGFS
/*
- This can be dangerous especially when we have clients such as
将regmap write access打开
可以将寄存器都dump出来先看一下
cat sys/kernel/debug/regmap/xxxxxx/registers