tree: https://github.com/AsahiLinux/linux nvme/dev head: 29500f6a24f557631ee621c3c4af2df9fc44cce8 commit: 4f8da49326219a0864f9a1a1ccb7298747e14c15 [7/15] nvme: pci: rename pci specific functions config: x86_64-randconfig-a001-20210730 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 4f71f59bf3d9914188a11d0c41bedbb339d36ff5) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/AsahiLinux/linux/commit/4f8da49326219a0864f9a1a1ccb7298747e14c15 git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux nvme/dev git checkout 4f8da49326219a0864f9a1a1ccb7298747e14c15 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/nvme/host/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> drivers/nvme/host/pci.c:1414: warning: expecting prototype for nvme_pci_suspend_queue(). Prototype was for nvme_suspend_queue() instead vim +1414 drivers/nvme/host/pci.c 4f8da49326219a drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1407 4f8da49326219a drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1408 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1409 /** 4f8da49326219a drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1410 * nvme_pci_suspend_queue - put queue into suspended state 40581d1a91a152 drivers/nvme/host/pci.c Bart Van Assche 2018-10-08 1411 * @nvmeq: queue to suspend 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1412 */ 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1413 static int nvme_suspend_queue(struct nvme_queue *nvmeq) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 @1414 { 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1415 if (!test_and_clear_bit(NVMEQ_ENABLED, &nvmeq->flags)) 2b25d981790b83 drivers/block/nvme-core.c Keith Busch 2014-12-22 1416 return 1; a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1417 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1418 /* ensure that nvme_queue_rq() sees NVMEQ_ENABLED cleared */ d1f06f4ae0410f drivers/nvme/host/pci.c Jens Axboe 2018-05-17 1419 mb(); a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1420 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1421 nvmeq->dev->online_queues--; 1c63dc66580d4b drivers/nvme/host/pci.c Christoph Hellwig 2015-11-26 1422 if (!nvmeq->qid && nvmeq->dev->ctrl.admin_q) c81545f991a661 drivers/nvme/host/pci.c Sagi Grimberg 2017-07-02 1423 blk_mq_quiesce_queue(nvmeq->dev->ctrl.admin_q); 7c349dde26b75d drivers/nvme/host/pci.c Keith Busch 2019-03-08 1424 if (!test_and_clear_bit(NVMEQ_POLLED, &nvmeq->flags)) 4f8da49326219a drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1425 nvme_queue_free_irq(nvmeq); 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1426 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1427 } b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1428 :::::: The code at line 1414 was first introduced by commit :::::: b60503ba432b16fc84442a84e29a7aad2c0c363d NVMe: New driver :::::: TO: Matthew Wilcox :::::: CC: Matthew Wilcox --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org