ABACI reported the following bug by code static scanning: drivers/dma/ti/edma.c:321:20: warning: unused function 'edma_and'. 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-20221004 commit: 4d80748d16c82a9c2c4ea5feea96e476de3cd876