tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-4.4 head: 62a7c9009061dcbb5507cbdb1bfbaa395abf3205 commit: 4a2ecf3ed66aae2b94d6fcdda84ffbf0ebf99669 [16/32] BACKPORT: FROMGIT: Bluetooth: Handle LE devices during suspend config: arc-allyesconfig (attached as .config) compiler: arc-elf-gcc (GCC) 7.5.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 4a2ecf3ed66aae2b94d6fcdda84ffbf0ebf99669 # save the attached .config to linux build tree GCC_VERSION=7.5.0 make.cross ARCH=arc If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; Note: the chrome-os/chromeos-4.4 HEAD 62a7c9009061dcbb5507cbdb1bfbaa395abf3205 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/media/platform/mtk-vpu/mtk_vpu.c: In function 'vpu_free_ext_mem': dma_free_coherent(dev, fw_ext_size, vpu->extmem[fw_type].va, ^~~~~~~~~~~~~~~~~ of_dma_is_coherent drivers/media/platform/mtk-vpu/mtk_vpu.c: In function 'vpu_alloc_ext_mem': vpu->extmem[fw_type].va = dma_alloc_coherent(dev, ^~~~~~~~~~~~~~~~~~ of_dma_is_coherent drivers/media/platform/mtk-vpu/mtk_vpu.c:782:26: warning: assignment makes pointer from integer without a cast [-Wint-conversion] vpu->extmem[fw_type].va = dma_alloc_coherent(dev, ^ cc1: some warnings being treated as errors -- net/bluetooth/hci_request.c: In function 'hci_req_add_le_scan_disable': if (hdev->scanning_paused) { ^~~~ cdev net/bluetooth/hci_request.c:666:6: note: each undeclared identifier is reported only once for each function it appears in vim +666 net/bluetooth/hci_request.c 661 662 void hci_req_add_le_scan_disable(struct hci_request *req) 663 { 664 struct hci_cp_le_set_scan_enable cp; 665 667 bt_dev_dbg(hdev, "Scanning is paused for suspend"); 668 return; 669 } 670 671 memset(&cp, 0, sizeof(cp)); 672 cp.enable = LE_SCAN_DISABLE; 673 BT_DBG("BT_DBG_DG: set scan enable tx: hci_req_add_le_scan_disable (ena=%d)\n", cp.enable); 674 hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp); 675 676 /* It is possible that the only HCI command built into the command queue 677 * is HCI_OP_LE_SET_SCAN_ENABLE. If the only command is skipped 678 * at run time in hci_core.c:hci_cmd_work(), the corresponding event 679 * would never be received. This would accidentally cause HCI command 680 * timeout. Hence, it is important to add this dummy HCI command to 681 * invoke the hci_req_sync_complete() callback. 682 */ 683 hci_req_add(req, HCI_OP_READ_LOCAL_NAME, 0, NULL); 684 } 685 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org