drivers/clk/sprd/composite.c:20 sprd_comp_determine_rate() warn: unsigned 'rate' is never less than zero. In the following kernel version: name: linux-next url: http://kernel.source.codeaurora.cn/pub/scm/linux/kernel/git/next/linux-next.git branch: next-20230613 commit: 1f6ce8392d6ff486af5ca96df9ded5882c4b6977