drivers/mfd/qcom-pm8xxx.c:513:6: warning: variable 'rev' set but not used 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-20221220 commit: e45fb347b630ee76482fe938ba76cf8eab811290
submitted to upstream: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f9a5f9840c3167db79f1ea9b69c5611ddc33be66