tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: b97b63500af297c36f80416fd1f1193d227cf51a commit: 7fc993d55d1b54ae40e29dfac825a18d04d644c6 [14777/21632] scsi/hifc: add hifc driver FC service module config: x86_64-randconfig-122-20240218 (https://download.01.org/0day-ci/archive/20240226/202402261420.bgeVvnXn-lkp@i...) compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240226/202402261420.bgeVvnXn-lkp@i...) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202402261420.bgeVvnXn-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) drivers/scsi/huawei/hifc/hifc_hwif.c:27:16: sparse: sparse: cast to restricted __be32 drivers/scsi/huawei/hifc/hifc_hwif.c:32:16: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected unsigned int val @@ got restricted __be32 [usertype] @@ drivers/scsi/huawei/hifc/hifc_hwif.c:32:16: sparse: expected unsigned int val drivers/scsi/huawei/hifc/hifc_hwif.c:32:16: sparse: got restricted __be32 [usertype] drivers/scsi/huawei/hifc/hifc_hwif.c:453:29: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [noderef] [usertype] __iomem *cfg_regs_base @@ got void *cfg_reg_base @@ drivers/scsi/huawei/hifc/hifc_hwif.c:453:29: sparse: expected unsigned char [noderef] [usertype] __iomem *cfg_regs_base drivers/scsi/huawei/hifc/hifc_hwif.c:453:29: sparse: got void *cfg_reg_base drivers/scsi/huawei/hifc/hifc_hwif.c:454:30: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [noderef] [usertype] __iomem *intr_regs_base @@ got void *intr_reg_base @@ drivers/scsi/huawei/hifc/hifc_hwif.c:454:30: sparse: expected unsigned char [noderef] [usertype] __iomem *intr_regs_base drivers/scsi/huawei/hifc/hifc_hwif.c:454:30: sparse: got void *intr_reg_base drivers/scsi/huawei/hifc/hifc_hwif.c:457:23: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected unsigned char [noderef] [usertype] __iomem *db_base @@ got void *db_base @@ drivers/scsi/huawei/hifc/hifc_hwif.c:457:23: sparse: expected unsigned char [noderef] [usertype] __iomem *db_base drivers/scsi/huawei/hifc/hifc_hwif.c:457:23: sparse: got void *db_base

...

drivers/scsi/huawei/hifc/hifc_hwif.c:517:65: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted gfp_t [usertype] flag @@ got unsigned int flag @@ drivers/scsi/huawei/hifc/hifc_hwif.c:517:65: sparse: expected restricted gfp_t [usertype] flag drivers/scsi/huawei/hifc/hifc_hwif.c:517:65: sparse: got unsigned int flag drivers/scsi/huawei/hifc/hifc_hwif.c:532:65: sparse: sparse: incorrect type in argument 4 (different base types) @@ expected restricted gfp_t [usertype] flag @@ got unsigned int flag @@ drivers/scsi/huawei/hifc/hifc_hwif.c:532:65: sparse: expected restricted gfp_t [usertype] flag drivers/scsi/huawei/hifc/hifc_hwif.c:532:65: sparse: got unsigned int flag In file included from drivers/scsi/huawei/hifc/hifc_hwif.c:14: In file included from drivers/scsi/huawei/hifc/hifc_knl_adp.h:30: In file included from include/scsi/scsi_host.h:12: In file included from include/linux/blk-mq.h:5: In file included from include/linux/blkdev.h:16: include/linux/pagemap.h:425:21: warning: cast from 'int (*)(struct file *, struct page *)' to 'filler_t *' (aka 'int (*)(void *, struct page *)') converts to incompatible function type [-Wcast-function-type-strict] 425 | filler_t *filler = (filler_t *)mapping->a_ops->readpage; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning generated. drivers/scsi/huawei/hifc/hifc_hwif.c:442: warning: Function parameter or member 'intr_reg_base' not described in 'hifc_init_hwif' drivers/scsi/huawei/hifc/hifc_hwif.c:442: warning: Function parameter or member 'db_base_phy' not described in 'hifc_init_hwif' drivers/scsi/huawei/hifc/hifc_hwif.c:442: warning: Function parameter or member 'db_base' not described in 'hifc_init_hwif' drivers/scsi/huawei/hifc/hifc_hwif.c:442: warning: Function parameter or member 'dwqe_mapping' not described in 'hifc_init_hwif'

vim +517 drivers/scsi/huawei/hifc/hifc_hwif.c 218105be120513 Chenguangli 2020-11-16 508 218105be120513 Chenguangli 2020-11-16 509 int hifc_dma_zalloc_coherent_align(void *dev_hdl, u64 size, u64 align, 218105be120513 Chenguangli 2020-11-16 510 unsigned flag, 218105be120513 Chenguangli 2020-11-16 511 struct hifc_dma_addr_align *mem_align) 218105be120513 Chenguangli 2020-11-16 512 { 218105be120513 Chenguangli 2020-11-16 513 void *vaddr, *align_vaddr; 218105be120513 Chenguangli 2020-11-16 514 dma_addr_t paddr, align_paddr; 218105be120513 Chenguangli 2020-11-16 515 u64 real_size = size; 218105be120513 Chenguangli 2020-11-16 516 218105be120513 Chenguangli 2020-11-16 @517 vaddr = dma_zalloc_coherent(dev_hdl, real_size, &paddr, flag); 218105be120513 Chenguangli 2020-11-16 518 if (!vaddr) 218105be120513 Chenguangli 2020-11-16 519 return -ENOMEM; 218105be120513 Chenguangli 2020-11-16 520 218105be120513 Chenguangli 2020-11-16 521 align_paddr = ALIGN(paddr, align); 218105be120513 Chenguangli 2020-11-16 522 /* align */ 218105be120513 Chenguangli 2020-11-16 523 if (align_paddr == paddr) { 218105be120513 Chenguangli 2020-11-16 524 align_vaddr = vaddr; 218105be120513 Chenguangli 2020-11-16 525 goto out; 218105be120513 Chenguangli 2020-11-16 526 } 218105be120513 Chenguangli 2020-11-16 527 218105be120513 Chenguangli 2020-11-16 528 dma_free_coherent(dev_hdl, real_size, vaddr, paddr); 218105be120513 Chenguangli 2020-11-16 529 218105be120513 Chenguangli 2020-11-16 530 /* realloc memory for align */ 218105be120513 Chenguangli 2020-11-16 531 real_size = size + align; 218105be120513 Chenguangli 2020-11-16 532 vaddr = dma_zalloc_coherent(dev_hdl, real_size, &paddr, flag); 218105be120513 Chenguangli 2020-11-16 533 if (!vaddr) 218105be120513 Chenguangli 2020-11-16 534 return -ENOMEM; 218105be120513 Chenguangli 2020-11-16 535 218105be120513 Chenguangli 2020-11-16 536 align_paddr = ALIGN(paddr, align); 218105be120513 Chenguangli 2020-11-16 537 align_vaddr = (void *)((u64)vaddr + (align_paddr - paddr)); 218105be120513 Chenguangli 2020-11-16 538 218105be120513 Chenguangli 2020-11-16 539 out: 218105be120513 Chenguangli 2020-11-16 540 mem_align->real_size = (u32)real_size; 218105be120513 Chenguangli 2020-11-16 541 mem_align->ori_vaddr = vaddr; 218105be120513 Chenguangli 2020-11-16 542 mem_align->ori_paddr = paddr; 218105be120513 Chenguangli 2020-11-16 543 mem_align->align_vaddr = align_vaddr; 218105be120513 Chenguangli 2020-11-16 544 mem_align->align_paddr = align_paddr; 218105be120513 Chenguangli 2020-11-16 545 218105be120513 Chenguangli 2020-11-16 546 return 0; 218105be120513 Chenguangli 2020-11-16 547 } 218105be120513 Chenguangli 2020-11-16 548 :::::: The code at line 517 was first introduced by commit :::::: 218105be120513109ae9ea5418c10586913274d4 scsi/hifc: add hifc driver chip resource module :::::: TO: Chenguangli <chenguangli2@huawei.com> :::::: CC: Yang Yingliang <yangyingliang@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki