[xilinx-xlnx:xlnx_rebase_v5.4 1138/1768] drivers/rtc/rtc-zynqmp.c:198: undefined reference to `__divdi3'

Hi Srinivas,

FYI, the error/warning still remains.

tree:   https://github.com/Xilinx/linux-xlnx xlnx_rebase_v5.4
head:   abafefebd1f1e040eef74e4ab571ea08bf745641
commit: a4704c54d84d1e391275ad6ac10ce0e7c9157505 [1138/1768] rtc: zynqmp: Add calibration set and get support
config: i386-randconfig-a005-20211214 (https://download.01.org/0day-ci/archive/20211215/202112151241.9uhyjqbB-lkp@intel.com/config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/Xilinx/linux-xlnx/commit/a4704c54d84d1e391275ad6ac10ce0e7c9157505
        git remote add xilinx-xlnx https://github.com/Xilinx/linux-xlnx
        git fetch --no-tags xilinx-xlnx xlnx_rebase_v5.4
        git checkout a4704c54d84d1e391275ad6ac10ce0e7c9157505
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>):

   ld: drivers/rtc/rtc-zynqmp.o: in function `xlnx_rtc_read_offset':

quoted

drivers/rtc/rtc-zynqmp.c:198: undefined reference to `__divdi3'

   ld: drivers/rtc/rtc-zynqmp.o: in function `xlnx_rtc_set_offset':
   drivers/rtc/rtc-zynqmp.c:223: undefined reference to `__divdi3'


vim +198 drivers/rtc/rtc-zynqmp.c

   192	
   193	static int xlnx_rtc_read_offset(struct device *dev, long *offset)
   194	{
   195		struct xlnx_rtc_dev *xrtcdev = dev_get_drvdata(dev);
   196		long offset_val;
   197		unsigned int reg;
 > 198		unsigned int tick_mult = RTC_PPB / xrtcdev->calibval;
   199	
   200		reg = readl(xrtcdev->reg_base + RTC_CALIB_RD);
   201	
   202		/* Offset with seconds ticks */
   203		offset_val = reg & RTC_TICK_MASK;
   204		offset_val = offset_val - xrtcdev->calibval;
   205		offset_val = offset_val * tick_mult;
   206	
   207		/* Offset with fractional ticks */
   208		if (reg & RTC_FR_EN)
   209			offset_val += ((reg & RTC_FR_MASK) >> RTC_FR_DATSHIFT)
   210				* (tick_mult / RTC_FR_MAX_TICKS);
   211		*offset = offset_val;
   212	
   213		return 0;
   214	}
   215	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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