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Sat, 12 Mar 2022 15:10:30 +0000 Date: Sat, 12 Mar 2022 23:09:32 +0800 From: kernel test robot To: Siddharth Gupta Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Rishabh Bhatnagar , Gurbir Arora Subject: drivers/remoteproc/qcom_common.c:126:27: sparse: sparse: restricted __le32 degrades to integer Message-ID: <202203122312.Oo7An9yZ-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: 68453767131a5deec1e8f9ac92a9042f929e585d commit: 8ed8485c4f056d488d17a2b56581c86aeb42955d remoteproc: qcom: Add capability to collect minidumps date: 1 year, 3 months ago config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20220312/202203122312.Oo7An9yZ-lkp@intel.com/config) compiler: arm-linux-gnueabi-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=8ed8485c4f056d488d17a2b56581c86aeb42955d git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 8ed8485c4f056d488d17a2b56581c86aeb42955d # 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=arm SHELL=/bin/bash arch/arm/mach-imx/ arch/arm/mach-mvebu/ arch/arm/mach-rockchip/ arch/arm/mach-socfpga/ arch/arm/mach-tegra/ drivers/dma/ drivers/edac/ drivers/gpu/drm/msm/ drivers/gpu/drm/tegra/ drivers/interconnect/qcom/ drivers/irqchip/ drivers/mtd/nand/onenand/ drivers/net/ethernet/mediatek/ drivers/net/vmxnet3/ drivers/net/wireless/mediatek/mt76/mt7915/ drivers/remoteproc/ drivers/scsi/bnx2fc/ drivers/scsi/lpfc/ drivers/soc/bcm/brcmstb/pm/ drivers/staging/ fs/proc/ net/sched/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/remoteproc/qcom_common.c:126:27: sparse: sparse: restricted __le32 degrades to integer >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast to restricted __le32 >> drivers/remoteproc/qcom_common.c:133:32: sparse: sparse: cast from restricted __le64 vim +126 drivers/remoteproc/qcom_common.c 103 104 static int qcom_add_minidump_segments(struct rproc *rproc, struct minidump_subsystem *subsystem) 105 { 106 struct minidump_region __iomem *ptr; 107 struct minidump_region region; 108 int seg_cnt, i; 109 dma_addr_t da; 110 size_t size; 111 char *name; 112 113 if (WARN_ON(!list_empty(&rproc->dump_segments))) { 114 dev_err(&rproc->dev, "dump segment list already populated\n"); 115 return -EUCLEAN; 116 } 117 118 seg_cnt = le32_to_cpu(subsystem->region_count); 119 ptr = ioremap((unsigned long)le64_to_cpu(subsystem->regions_baseptr), 120 seg_cnt * sizeof(struct minidump_region)); 121 if (!ptr) 122 return -EFAULT; 123 124 for (i = 0; i < seg_cnt; i++) { 125 memcpy_fromio(®ion, ptr + i, sizeof(region)); > 126 if (region.valid == MD_REGION_VALID) { 127 name = kstrdup(region.name, GFP_KERNEL); 128 if (!name) { 129 iounmap(ptr); 130 return -ENOMEM; 131 } 132 da = le64_to_cpu(region.address); > 133 size = le32_to_cpu(region.size); 134 rproc_coredump_add_custom_segment(rproc, da, size, NULL, name); 135 } 136 } 137 138 iounmap(ptr); 139 return 0; 140 } 141 --- 0-DAY CI Kernel Test Service https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org