It is created with 0666 as the mode. <a href="https:&#x2F;&#x2F;github.com&#x2F;allwinner-zh&#x2F;linux-3.4-sunxi&#x2F;blob&#x2F;A83T&#x2F;arch&#x2F;arm&#x2F;mach-sunxi&#x2F;sunxi-debug.c#L69" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;allwinner-zh&#x2F;linux-3.4-sunxi&#x2F;blob&#x2F;A83T&#x2F;ar...</a>