From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4A67DC433F5 for ; Mon, 21 Feb 2022 23:31:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236923AbiBUXcN (ORCPT ); Mon, 21 Feb 2022 18:32:13 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:44808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236844AbiBUXcL (ORCPT ); Mon, 21 Feb 2022 18:32:11 -0500 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CCEF1133 for ; Mon, 21 Feb 2022 15:31:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1645486307; x=1677022307; h=date:from:to:cc:subject:message-id:mime-version; bh=e+q01QedYHb7A+hgClNwFVG6Ur/ydCjlwf5WcD2ykk4=; b=XgMqXZ2CykCLx4z2q1pPGI0Fskan2klviDU/zHNSyodRkF+ugzTvYqeX IyNwKlBR3BJiyiaojftOIguk5ieasNd3TDfK9J+XtLBcVMd3svPlQ0kH9 0JT/LGFxwZ3w35PFzjnXQWLlRM2eyaOZrPQ+iToWjXdwlCEJQxZ4kdC3F VhJbu5rjMGOlRdbvkYLWZJy7Vf4GVXzgf2LmaipBIK+c4GiH+c+vpULlD /dBhORGxTJGD3DABG1kwxystgGJaQXVGNKrQ4E0s7IOnaOFwu9UskPT8V /ENYkboiCM97xpAy06XSpcCCWzxsgVJoh/UTGdAXO2Cw/bEy9V2KpBCqm g==; X-IronPort-AV: E=McAfee;i="6200,9189,10265"; a="314841792" X-IronPort-AV: E=Sophos;i="5.88,386,1635231600"; d="scan'208";a="314841792" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Feb 2022 15:31:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,386,1635231600"; d="scan'208";a="507772536" Received: from lkp-server01.sh.intel.com (HELO da3212ac2f54) ([10.239.97.150]) by orsmga006.jf.intel.com with ESMTP; 21 Feb 2022 15:31:45 -0800 Received: from kbuild by da3212ac2f54 with local (Exim 4.92) (envelope-from ) id 1nMI9g-000255-SV; Mon, 21 Feb 2022 23:31:44 +0000 Date: Tue, 22 Feb 2022 07:30:57 +0800 From: kernel test robot To: Subbaraya Sundeep Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Geetha sowjanya , Sunil Goutham Subject: drivers/net/ethernet/marvell/octeontx2/af/rvu.c:1964:46: sparse: sparse: cast removes address space '__iomem' of expression Message-ID: <202202220710.SPJ8ha4K-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 038101e6b2cd5c55f888f85db42ea2ad3aecb4b6 commit: 98c5611163603d3d8012b1bf64ab48fd932cf734 octeontx2-af: cn10k: Add mbox support for CN10K platform date: 1 year ago config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220222/202202220710.SPJ8ha4K-lkp@intel.com/config) compiler: aarch64-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=98c5611163603d3d8012b1bf64ab48fd932cf734 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 98c5611163603d3d8012b1bf64ab48fd932cf734 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/gpu/drm/tegra/ drivers/gpu/host1x/ drivers/hid/ drivers/irqchip/ drivers/net/ethernet/marvell/octeontx2/af/ drivers/net/ethernet/ti/ drivers/remoteproc/ drivers/scsi/hisi_sas/ security/integrity/ima/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) drivers/net/ethernet/marvell/octeontx2/af/rvu.c:780:21: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct rvu_fwdata *fwdata @@ got void [noderef] __iomem * @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:780:21: sparse: expected struct rvu_fwdata *fwdata drivers/net/ethernet/marvell/octeontx2/af/rvu.c:780:21: sparse: got void [noderef] __iomem * drivers/net/ethernet/marvell/octeontx2/af/rvu.c:786:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct rvu_fwdata *fwdata @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:786:28: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/marvell/octeontx2/af/rvu.c:786:28: sparse: got struct rvu_fwdata *fwdata drivers/net/ethernet/marvell/octeontx2/af/rvu.c:799:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct rvu_fwdata *fwdata @@ drivers/net/ethernet/marvell/octeontx2/af/rvu.c:799:28: sparse: expected void volatile [noderef] __iomem *addr drivers/net/ethernet/marvell/octeontx2/af/rvu.c:799:28: sparse: got struct rvu_fwdata *fwdata >> drivers/net/ethernet/marvell/octeontx2/af/rvu.c:1964:46: sparse: sparse: cast removes address space '__iomem' of expression drivers/net/ethernet/marvell/octeontx2/af/rvu.c:1984:38: sparse: sparse: cast removes address space '__iomem' of expression vim +/__iomem +1964 drivers/net/ethernet/marvell/octeontx2/af/rvu.c 1941 1942 static int rvu_get_mbox_regions(struct rvu *rvu, void **mbox_addr, 1943 int num, int type) 1944 { 1945 struct rvu_hwinfo *hw = rvu->hw; 1946 int region; 1947 u64 bar4; 1948 1949 /* For cn10k platform VF mailbox regions of a PF follows after the 1950 * PF <-> AF mailbox region. Whereas for Octeontx2 it is read from 1951 * RVU_PF_VF_BAR4_ADDR register. 1952 */ 1953 if (type == TYPE_AFVF) { 1954 for (region = 0; region < num; region++) { 1955 if (hw->cap.per_pf_mbox_regs) { 1956 bar4 = rvu_read64(rvu, BLKADDR_RVUM, 1957 RVU_AF_PFX_BAR4_ADDR(0)) + 1958 MBOX_SIZE; 1959 bar4 += region * MBOX_SIZE; 1960 } else { 1961 bar4 = rvupf_read64(rvu, RVU_PF_VF_BAR4_ADDR); 1962 bar4 += region * MBOX_SIZE; 1963 } > 1964 mbox_addr[region] = (void *)ioremap_wc(bar4, MBOX_SIZE); 1965 if (!mbox_addr[region]) 1966 goto error; 1967 } 1968 return 0; 1969 } 1970 1971 /* For cn10k platform AF <-> PF mailbox region of a PF is read from per 1972 * PF registers. Whereas for Octeontx2 it is read from 1973 * RVU_AF_PF_BAR4_ADDR register. 1974 */ 1975 for (region = 0; region < num; region++) { 1976 if (hw->cap.per_pf_mbox_regs) { 1977 bar4 = rvu_read64(rvu, BLKADDR_RVUM, 1978 RVU_AF_PFX_BAR4_ADDR(region)); 1979 } else { 1980 bar4 = rvu_read64(rvu, BLKADDR_RVUM, 1981 RVU_AF_PF_BAR4_ADDR); 1982 bar4 += region * MBOX_SIZE; 1983 } 1984 mbox_addr[region] = (void *)ioremap_wc(bar4, MBOX_SIZE); 1985 if (!mbox_addr[region]) 1986 goto error; 1987 } 1988 return 0; 1989 1990 error: 1991 while (region--) 1992 iounmap((void __iomem *)mbox_addr[region]); 1993 return -ENOMEM; 1994 } 1995 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org