tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: b86a6a241b7c60ca7a6ca4fb3c0d2aedbbf2c1b6 commit: 4f4eebf26f0da871fea5b3c489eafce2fbcda8bb [5500/7050] octeontx2-af: Optimize data retrieval from firmware reproduce: # apt-get install sparse # sparse version: v0.6.1-174-g094d5a94-dirty git checkout 4f4eebf26f0da871fea5b3c489eafce2fbcda8bb make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/net/ethernet/marvell/octeontx2/af/rvu.c:722:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct rvu_fwdata *fwdata @@ got void struct rvu_fwdata *fwdata @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:722:21: sparse: expected struct rvu_fwdata *fwdata drivers/net/ethernet/marvell/octeontx2/af/rvu.c:722:21: sparse: got void [noderef] <asn:2> * >> drivers/net/ethernet/marvell/octeontx2/af/rvu.c:728:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:728:28: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/marvell/octeontx2/af/rvu.c:728:28: sparse: got struct rvu_fwdata *fwdata drivers/net/ethernet/marvell/octeontx2/af/rvu.c:741:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] <asn:2> *addr @@ got [noderef] <asn:2> *addr @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:741:28: sparse: expected void volatile [noderef] <asn:2> *addr drivers/net/ethernet/marvell/octeontx2/af/rvu.c:741:28: sparse: got struct rvu_fwdata *fwdata vim +722 drivers/net/ethernet/marvell/octeontx2/af/rvu.c 712 713 static int rvu_fwdata_init(struct rvu *rvu) 714 { 715 u64 fwdbase; 716 int err; 717 718 /* Get firmware data base address */ 719 err = cgx_get_fwdata_base(&fwdbase); 720 if (err) 721 goto fail; > 722 rvu->fwdata = ioremap_wc(fwdbase, sizeof(struct rvu_fwdata)); 723 if (!rvu->fwdata) 724 goto fail; 725 if (!is_rvu_fwdata_valid(rvu)) { 726 dev_err(rvu->dev, 727 "Mismatch in 'fwdata' struct btw kernel and firmware\n"); > 728 iounmap(rvu->fwdata); 729 rvu->fwdata = NULL; 730 return -EINVAL; 731 } 732 return 0; 733 fail: 734 dev_info(rvu->dev, "Unable to fetch 'fwdata' from firmware\n"); 735 return -EIO; 736 } 737 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx