Messages in this thread | | | Date | Wed, 26 Aug 2020 22:31:07 +0800 | From | kernel test robot <> | Subject | drivers/net/ethernet/marvell/octeontx2/af/rvu.c:722:21: sparse: expected struct rvu_fwdata |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 2ac69819ba9e3d8d550bb5d2d2df74848e556812 commit: 4f4eebf26f0da871fea5b3c489eafce2fbcda8bb octeontx2-af: Optimize data retrieval from firmware date: 6 months ago :::::: branch date: 6 hours ago :::::: commit date: 6 months ago config: powerpc-randconfig-s031-20200826 (attached as .config) compiler: powerpc64le-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.2-191-g10164920-dirty git checkout 4f4eebf26f0da871fea5b3c489eafce2fbcda8bb # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=powerpc
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
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 [noderef] <asn:2> * @@ >> 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 struct rvu_fwdata *fwdata @@ 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 struct rvu_fwdata *fwdata @@ 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
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f4eebf26f0da871fea5b3c489eafce2fbcda8bb git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4f4eebf26f0da871fea5b3c489eafce2fbcda8bb vim +722 drivers/net/ethernet/marvell/octeontx2/af/rvu.c
4f4eebf26f0da87 Linu Cherian 2020-03-02 712 4f4eebf26f0da87 Linu Cherian 2020-03-02 713 static int rvu_fwdata_init(struct rvu *rvu) 4f4eebf26f0da87 Linu Cherian 2020-03-02 714 { 4f4eebf26f0da87 Linu Cherian 2020-03-02 715 u64 fwdbase; 4f4eebf26f0da87 Linu Cherian 2020-03-02 716 int err; 4f4eebf26f0da87 Linu Cherian 2020-03-02 717 4f4eebf26f0da87 Linu Cherian 2020-03-02 718 /* Get firmware data base address */ 4f4eebf26f0da87 Linu Cherian 2020-03-02 719 err = cgx_get_fwdata_base(&fwdbase); 4f4eebf26f0da87 Linu Cherian 2020-03-02 720 if (err) 4f4eebf26f0da87 Linu Cherian 2020-03-02 721 goto fail; 4f4eebf26f0da87 Linu Cherian 2020-03-02 @722 rvu->fwdata = ioremap_wc(fwdbase, sizeof(struct rvu_fwdata)); 4f4eebf26f0da87 Linu Cherian 2020-03-02 723 if (!rvu->fwdata) 4f4eebf26f0da87 Linu Cherian 2020-03-02 724 goto fail; 4f4eebf26f0da87 Linu Cherian 2020-03-02 725 if (!is_rvu_fwdata_valid(rvu)) { 4f4eebf26f0da87 Linu Cherian 2020-03-02 726 dev_err(rvu->dev, 4f4eebf26f0da87 Linu Cherian 2020-03-02 727 "Mismatch in 'fwdata' struct btw kernel and firmware\n"); 4f4eebf26f0da87 Linu Cherian 2020-03-02 @728 iounmap(rvu->fwdata); 4f4eebf26f0da87 Linu Cherian 2020-03-02 729 rvu->fwdata = NULL; 4f4eebf26f0da87 Linu Cherian 2020-03-02 730 return -EINVAL; 4f4eebf26f0da87 Linu Cherian 2020-03-02 731 } 4f4eebf26f0da87 Linu Cherian 2020-03-02 732 return 0; 4f4eebf26f0da87 Linu Cherian 2020-03-02 733 fail: 4f4eebf26f0da87 Linu Cherian 2020-03-02 734 dev_info(rvu->dev, "Unable to fetch 'fwdata' from firmware\n"); 4f4eebf26f0da87 Linu Cherian 2020-03-02 735 return -EIO; 4f4eebf26f0da87 Linu Cherian 2020-03-02 736 } 4f4eebf26f0da87 Linu Cherian 2020-03-02 737
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