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Thu, 24 Mar 2022 23:42:23 +0000 Date: Fri, 25 Mar 2022 07:41:21 +0800 From: kernel test robot To: Ohad Sharabi Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Oded Gabbay Subject: [ogabbay:habanalabs-next 19/19] drivers/misc/habanalabs/common/firmware_if.c:860:28: sparse: sparse: cast to restricted __le32 Message-ID: <202203250727.JVrJokTk-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/ogabbay/linux.git habanalabs-next head: 8893b113963d24b89844a072c968b042ae76aa46 commit: 8893b113963d24b89844a072c968b042ae76aa46 [19/19] habanalabs/gaudi: add debugfs to fetch internal sync status config: i386-randconfig-s002 (https://download.01.org/0day-ci/archive/20220325/202203250727.JVrJokTk-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git/commit/?id=8893b113963d24b89844a072c968b042ae76aa46 git remote add ogabbay https://git.kernel.org/pub/scm/linux/kernel/git/ogabbay/linux.git git fetch --no-tags ogabbay habanalabs-next git checkout 8893b113963d24b89844a072c968b042ae76aa46 # save the config file to linux build tree mkdir build_dir make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash drivers/misc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot sparse warnings: (new ones prefixed by >>) >> drivers/misc/habanalabs/common/firmware_if.c:860:28: sparse: sparse: cast to restricted __le32 vim +860 drivers/misc/habanalabs/common/firmware_if.c 823 824 int hl_fw_get_monitor_dump(struct hl_device *hdev, void *data) 825 { 826 struct cpucp_monitor_dump *mon_dump_cpu_addr; 827 dma_addr_t mon_dump_dma_addr; 828 struct cpucp_packet pkt = {}; 829 u32 *src_ptr, *dst_ptr; 830 size_t data_size; 831 u64 result; 832 int i, rc; 833 834 data_size = sizeof(struct cpucp_monitor_dump); 835 mon_dump_cpu_addr = hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, data_size, 836 &mon_dump_dma_addr); 837 if (!mon_dump_cpu_addr) { 838 dev_err(hdev->dev, 839 "Failed to allocate DMA memory for CPU-CP monitor-dump packet\n"); 840 return -ENOMEM; 841 } 842 843 memset(mon_dump_cpu_addr, 0, data_size); 844 845 pkt.ctl = cpu_to_le32(CPUCP_PACKET_MONITOR_DUMP_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); 846 pkt.addr = cpu_to_le64(mon_dump_dma_addr); 847 pkt.data_max_size = cpu_to_le32(data_size); 848 849 rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 850 HL_CPUCP_MON_DUMP_TIMEOUT_USEC, &result); 851 if (rc) { 852 dev_err(hdev->dev, "Failed to handle CPU-CP monitor-dump packet, error %d\n", rc); 853 goto out; 854 } 855 856 /* result contains the actual size */ 857 src_ptr = (u32 *)mon_dump_cpu_addr; 858 dst_ptr = data; 859 for (i = 0; i < (data_size / sizeof(u32)); i++) { > 860 *dst_ptr = le32_to_cpu(*src_ptr); 861 src_ptr++; 862 dst_ptr++; 863 } 864 865 out: 866 hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, data_size, mon_dump_cpu_addr); 867 868 return rc; 869 } 870 -- 0-DAY CI Kernel Test Service https://01.org/lkp