tree: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.7/libata head: e8a18ea99eaa557cc3df89d5a7af03f9556036ed commit: 13b155d6b31e81441839473233574b007c9cb847 [23/46] pata_arasan_cf: use generic tracepoints config: sh-allmodconfig (attached as .config) compiler: sh4-linux-gcc (GCC) 9.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 13b155d6b31e81441839473233574b007c9cb847 # save the attached .config to linux build tree GCC_VERSION=9.2.0 make.cross ARCH=sh If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>): drivers/ata/pata_arasan_cf.c: In function 'arasan_cf_qc_issue': 711 | trace_ata_bmdma_start(ap, &qc->tf, qc->tag) | ^ | ; 712 | arasan_cf_dma_start(acdev); | ~~~~~~~~~~~~~~~~~~~ At top level: drivers/ata/pata_arasan_cf.c:673:13: warning: 'arasan_cf_dma_start' defined but not used [-Wunused-function] 673 | static void arasan_cf_dma_start(struct arasan_cf_dev *acdev) | ^~~~~~~~~~~~~~~~~~~ vim +711 drivers/ata/pata_arasan_cf.c 687 688 static unsigned int arasan_cf_qc_issue(struct ata_queued_cmd *qc) 689 { 690 struct ata_port *ap = qc->ap; 691 struct arasan_cf_dev *acdev = ap->host->private_data; 692 693 /* defer PIO handling to sff_qc_issue */ 694 if (!ata_is_dma(qc->tf.protocol)) 695 return ata_sff_qc_issue(qc); 696 697 /* select the device */ 698 ata_wait_idle(ap); 699 ata_sff_dev_select(ap, qc->dev->devno); 700 ata_wait_idle(ap); 701 702 /* start the command */ 703 switch (qc->tf.protocol) { 704 case ATA_PROT_DMA: 705 WARN_ON_ONCE(qc->tf.flags & ATA_TFLAG_POLLING); 706 707 trace_ata_tf_load(ap, &qc->tf); 708 ap->ops->sff_tf_load(ap, &qc->tf); 709 acdev->dma_status = 0; 710 acdev->qc = qc; 712 arasan_cf_dma_start(acdev); 713 ap->hsm_task_state = HSM_ST_LAST; 714 break; 715 716 default: 717 WARN_ON(1); 718 return AC_ERR_SYSTEM; 719 } 720 721 return 0; 722 } 723 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org