tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 98297fc6ecafc0c7eabc5d869279fb27609fcdc1 commit: f1a43aadb5a690e141a3b6700e2a40c1d4dbe088 [8956/10161] watchdog: Enable COMPILE_TEST for more drivers config: microblaze-randconfig-r021-20230816 (https://download.01.org/0day-ci/archive/20230816/202308160339.zgEoGVDN-lkp@xxxxxxxxx/config) compiler: microblaze-linux-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230816/202308160339.zgEoGVDN-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308160339.zgEoGVDN-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): microblaze-linux-ld: drivers/watchdog/xilinx_wwdt.o: in function `xilinx_wwdt_start': >> drivers/watchdog/xilinx_wwdt.c:74: undefined reference to `__udivdi3' vim +74 drivers/watchdog/xilinx_wwdt.c 12984cea1b8c54 Srinivas Neeli 2023-04-20 64 12984cea1b8c54 Srinivas Neeli 2023-04-20 65 static int xilinx_wwdt_start(struct watchdog_device *wdd) 12984cea1b8c54 Srinivas Neeli 2023-04-20 66 { 12984cea1b8c54 Srinivas Neeli 2023-04-20 67 struct xwwdt_device *xdev = watchdog_get_drvdata(wdd); 12984cea1b8c54 Srinivas Neeli 2023-04-20 68 struct watchdog_device *xilinx_wwdt_wdd = &xdev->xilinx_wwdt_wdd; 12984cea1b8c54 Srinivas Neeli 2023-04-20 69 u64 time_out, closed_timeout, open_timeout; 12984cea1b8c54 Srinivas Neeli 2023-04-20 70 u32 control_status_reg; 12984cea1b8c54 Srinivas Neeli 2023-04-20 71 12984cea1b8c54 Srinivas Neeli 2023-04-20 72 /* Calculate timeout count */ 12984cea1b8c54 Srinivas Neeli 2023-04-20 73 time_out = xdev->freq * wdd->timeout; 12984cea1b8c54 Srinivas Neeli 2023-04-20 @74 closed_timeout = (time_out * xdev->close_percent) / 100; 12984cea1b8c54 Srinivas Neeli 2023-04-20 75 open_timeout = time_out - closed_timeout; 12984cea1b8c54 Srinivas Neeli 2023-04-20 76 wdd->min_hw_heartbeat_ms = xdev->close_percent * 10 * wdd->timeout; 12984cea1b8c54 Srinivas Neeli 2023-04-20 77 12984cea1b8c54 Srinivas Neeli 2023-04-20 78 spin_lock(&xdev->spinlock); 12984cea1b8c54 Srinivas Neeli 2023-04-20 79 12984cea1b8c54 Srinivas Neeli 2023-04-20 80 iowrite32(XWWDT_MWR_MASK, xdev->base + XWWDT_MWR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 81 iowrite32(~(u32)XWWDT_ESR_WEN_MASK, xdev->base + XWWDT_ESR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 82 iowrite32((u32)closed_timeout, xdev->base + XWWDT_FWR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 83 iowrite32((u32)open_timeout, xdev->base + XWWDT_SWR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 84 12984cea1b8c54 Srinivas Neeli 2023-04-20 85 /* Enable the window watchdog timer */ 12984cea1b8c54 Srinivas Neeli 2023-04-20 86 control_status_reg = ioread32(xdev->base + XWWDT_ESR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 87 control_status_reg |= XWWDT_ESR_WEN_MASK; 12984cea1b8c54 Srinivas Neeli 2023-04-20 88 iowrite32(control_status_reg, xdev->base + XWWDT_ESR_OFFSET); 12984cea1b8c54 Srinivas Neeli 2023-04-20 89 12984cea1b8c54 Srinivas Neeli 2023-04-20 90 spin_unlock(&xdev->spinlock); 12984cea1b8c54 Srinivas Neeli 2023-04-20 91 12984cea1b8c54 Srinivas Neeli 2023-04-20 92 dev_dbg(xilinx_wwdt_wdd->parent, "Watchdog Started!\n"); 12984cea1b8c54 Srinivas Neeli 2023-04-20 93 12984cea1b8c54 Srinivas Neeli 2023-04-20 94 return 0; 12984cea1b8c54 Srinivas Neeli 2023-04-20 95 } 12984cea1b8c54 Srinivas Neeli 2023-04-20 96 :::::: The code at line 74 was first introduced by commit :::::: 12984cea1b8c54104f8ac7f5609dfcc0752ad741 watchdog: xilinx_wwdt: Add Versal window watchdog support :::::: TO: Srinivas Neeli <srinivas.neeli@xxxxxxx> :::::: CC: Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki