drivers/remoteproc/mtk_scp_ipi.c:136: warning: expecting prototype for scp_ipi_lock(). Prototype was for scp_ipi_unlock() instead 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-20230316 commit: 6f72958a49f68553f2b6ff713e8c8e51a34c1e1e