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Re: [PATCH 2/2] clk: Add fractional scale clock support

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Hi,

[auto build test ERROR on clk/clk-next]
[also build test ERROR on v4.7-rc3 next-20160616]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Hoan-Tran/clk-Add-fractional-scale-clock-support/20160617-074656
base:   https://git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
config: microblaze-mmu_defconfig (attached as .config)
compiler: microblaze-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=microblaze 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `clk_fs_set_rate':
>> drivers/clk/clk-fractional-scale.c:99: undefined reference to `__udivdi3'
   drivers/built-in.o: In function `clk_fs_round_rate':
   drivers/clk/clk-fractional-scale.c:76: undefined reference to `__udivdi3'

vim +99 drivers/clk/clk-fractional-scale.c

    93		 * Compute the scaler:
    94		 *
    95		 * freq = parent_rate * scaler / denom, or
    96		 * scaler = freq * denom / parent_rate
    97		 */
    98		ret = rate * fd->denom;
  > 99		scale = ret / (u64)parent_rate;
   100	
   101		/* Check if inverted */
   102		if (fd->flags & CLK_FRACTIONAL_SCALE_INVERTED)

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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[PATCH 0/2] clk: Add fractional scale clock support Hoan Tran <hotran@apm.com> - 2016-06-17 01:50 +0200
  [PATCH 1/2] Documentation: dt: clock: Add fractional scale binding Hoan Tran <hotran@apm.com> - 2016-06-17 01:50 +0200
    Re: [PATCH 1/2] Documentation: dt: clock: Add fractional scale  binding Rob Herring <robh@kernel.org> - 2016-06-20 15:20 +0200
  [PATCH 2/2] clk: Add fractional scale clock support Hoan Tran <hotran@apm.com> - 2016-06-17 01:50 +0200
    Re: [PATCH 2/2] clk: Add fractional scale clock support kbuild test robot <lkp@intel.com> - 2016-06-17 03:30 +0200
    Re: [PATCH 2/2] clk: Add fractional scale clock support kbuild test robot <lkp@intel.com> - 2016-06-17 04:00 +0200
    Re: [PATCH 2/2] clk: Add fractional scale clock support kbuild test robot <lkp@intel.com> - 2016-06-17 04:00 +0200
    Re: [PATCH 2/2] clk: Add fractional scale clock support Geert Uytterhoeven <geert@linux-m68k.org> - 2016-06-17 08:50 +0200
      Re: [PATCH 2/2] clk: Add fractional scale clock support Hoan Tran <hotran@apm.com> - 2016-06-17 18:40 +0200

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