Hi Luo, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Luo-bin/hinic-add-some-error-mes... base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 59632b220f2d61df274ed3a14a204e941051fdad config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce (this is a W=1 build): # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/device.h:15, from include/linux/pci.h:37, from drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c:9: drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c: In function 'mgmt_watchdog_timeout_event_handler': 794 | dev_err(&hwdev->hwif->pdev->dev, "Invalid mgmt watchdog report, length: %d, should be %ld\n", | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt' 19 | #define dev_fmt(fmt) fmt | ^~~ drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c:794:3: note: in expansion of macro 'dev_err' 794 | dev_err(&hwdev->hwif->pdev->dev, "Invalid mgmt watchdog report, length: %d, should be %ld\n", | ^~~~~~~ drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c:794:91: note: format string is defined here 794 | dev_err(&hwdev->hwif->pdev->dev, "Invalid mgmt watchdog report, length: %d, should be %ld\n", | ~~^ | | | long int | %d vim +794 drivers/net/ethernet/huawei/hinic/hinic_hw_dev.c 782 783 static void mgmt_watchdog_timeout_event_handler(void *dev, 784 void *buf_in, u16 in_size, 785 void *buf_out, u16 *out_size) 786 { 787 struct hinic_mgmt_watchdog_info *watchdog_info = NULL; 788 struct hinic_hwdev *hwdev = dev; 789 u32 *dump_addr = NULL; 790 u32 stack_len, i, j; 791 u32 *reg = NULL; 792 793 if (in_size != sizeof(*watchdog_info)) { 795 in_size, sizeof(*watchdog_info)); 796 return; 797 } 798 799 watchdog_info = buf_in; 800 801 dev_err(&hwdev->hwif->pdev->dev, "Mgmt deadloop time: 0x%x 0x%x, task id: 0x%x, sp: 0x%x\n", 802 watchdog_info->curr_time_h, watchdog_info->curr_time_l, 803 watchdog_info->task_id, watchdog_info->sp); 804 dev_err(&hwdev->hwif->pdev->dev, "Stack current used: 0x%x, peak used: 0x%x, overflow flag: 0x%x, top: 0x%x, bottom: 0x%x\n", 805 watchdog_info->curr_used, watchdog_info->peak_used, 806 watchdog_info->is_overflow, watchdog_info->stack_top, 807 watchdog_info->stack_bottom); 808 809 dev_err(&hwdev->hwif->pdev->dev, "Mgmt pc: 0x%08x, lr: 0x%08x, cpsr:0x%08x\n", 810 watchdog_info->pc, watchdog_info->lr, watchdog_info->cpsr); 811 812 dev_err(&hwdev->hwif->pdev->dev, "Mgmt register info\n"); 813 814 for (i = 0; i < 3; i++) { 815 reg = watchdog_info->reg + (u64)(u32)(4 * i); 816 dev_err(&hwdev->hwif->pdev->dev, "0x%08x 0x%08x 0x%08x 0x%08x\n", 817 *(reg), *(reg + 1), *(reg + 2), *(reg + 3)); 818 } 819 820 dev_err(&hwdev->hwif->pdev->dev, "0x%08x\n", watchdog_info->reg[12]); 821 822 if (watchdog_info->stack_actlen <= 1024) { 823 stack_len = watchdog_info->stack_actlen; 824 } else { 825 dev_err(&hwdev->hwif->pdev->dev, "Oops stack length: 0x%x is wrong\n", 826 watchdog_info->stack_actlen); 827 stack_len = 1024; 828 } 829 830 dev_err(&hwdev->hwif->pdev->dev, "Mgmt dump stack, 16Bytes per line(start from sp)\n"); 831 for (i = 0; i < (stack_len / 16); i++) { 832 dump_addr = (u32 *)(watchdog_info->data + ((u64)(u32)(i * 16))); 833 dev_err(&hwdev->hwif->pdev->dev, "0x%08x 0x%08x 0x%08x 0x%08x\n", 834 *dump_addr, *(dump_addr + 1), *(dump_addr + 2), 835 *(dump_addr + 3)); 836 } 837 838 for (j = 0; j < ((stack_len % 16) / 4); j++) { 839 dump_addr = (u32 *)(watchdog_info->data + 840 ((u64)(u32)(i * 16 + j * 4))); 841 dev_err(&hwdev->hwif->pdev->dev, "0x%08x ", *dump_addr); 842 } 843 844 *out_size = sizeof(*watchdog_info); 845 watchdog_info = buf_out; 846 watchdog_info->status = 0; 847 } 848 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org