tree: https://github.com/AsahiLinux/linux nvme/dev head: 69142df77238252d5ab52d940bcff054c4dcd551 commit: 4a80db096ae7aa82737bec490021db9523d2355d [1/9] nvme: pci: rename pci specific functions config: i386-randconfig-a011-20210608 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/AsahiLinux/linux/commit/4a80db096ae7aa82737bec490021db9523d2355d git remote add asahilinux https://github.com/AsahiLinux/linux git fetch --no-tags asahilinux nvme/dev git checkout 4a80db096ae7aa82737bec490021db9523d2355d # save the attached .config to linux build tree make W=1 ARCH=i386 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:1422: warning: expecting prototype for nvme_pci_suspend_queue(). Prototype was for nvme_suspend_queue() instead vim +1422 drivers/nvme/host/pci.c 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1415 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1416 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1417 /** 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1418 * nvme_pci_suspend_queue - put queue into suspended state 40581d1a91a152 drivers/nvme/host/pci.c Bart Van Assche 2018-10-08 1419 * @nvmeq: queue to suspend 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1420 */ 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1421 static int nvme_suspend_queue(struct nvme_queue *nvmeq) b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 @1422 { 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1423 if (!test_and_clear_bit(NVMEQ_ENABLED, &nvmeq->flags)) 2b25d981790b83 drivers/block/nvme-core.c Keith Busch 2014-12-22 1424 return 1; a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1425 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1426 /* ensure that nvme_queue_rq() sees NVMEQ_ENABLED cleared */ d1f06f4ae0410f drivers/nvme/host/pci.c Jens Axboe 2018-05-17 1427 mb(); a09115b23e2002 drivers/block/nvme.c Matthew Wilcox 2012-08-07 1428 4e224106673f1e drivers/nvme/host/pci.c Christoph Hellwig 2018-12-02 1429 nvmeq->dev->online_queues--; 1c63dc66580d4b drivers/nvme/host/pci.c Christoph Hellwig 2015-11-26 1430 if (!nvmeq->qid && nvmeq->dev->ctrl.admin_q) c81545f991a661 drivers/nvme/host/pci.c Sagi Grimberg 2017-07-02 1431 blk_mq_quiesce_queue(nvmeq->dev->ctrl.admin_q); 7c349dde26b75d drivers/nvme/host/pci.c Keith Busch 2019-03-08 1432 if (!test_and_clear_bit(NVMEQ_POLLED, &nvmeq->flags)) 4a80db096ae7aa drivers/nvme/host/pci.c Arnd Bergmann 2021-02-11 1433 nvme_queue_free_irq(nvmeq); 4d115420707afc drivers/block/nvme-core.c Keith Busch 2013-12-10 1434 return 0; b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1435 } b60503ba432b16 drivers/block/nvme.c Matthew Wilcox 2011-01-20 1436 :::::: The code at line 1422 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(a)lists.01.org