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Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle calculation

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On Fri, Apr 01, 2016 at 12:02:19PM +0530, Laxman Dewangan wrote:
> On Friday 01 April 2016 11:55 AM, kbuild test robot wrote:

> >>>pwm-regulator.c:(.text+0x1728d4): undefined reference to `__umoddi3'
> >>>pwm-regulator.c:(.text+0x1728fd): undefined reference to `__udivdi3'

> Seems build error is coming from logic

> u64 req_period
> unsigned int diff;
> unsigned int period
> unsigned int req_diff

> req_period = req_diff * period;
> if (req_period % diff == 0)

> used u64 to avoid overflow in multiplication.

Yes, you're doing a 64 bit divide so that's kind of expected...  

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[PATCH] regulator: pwm: Try to avoid voltage error in duty cycle calculation Laxman Dewangan <ldewangan@nvidia.com> - 2016-03-31 16:10 +0200
  Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle  calculation kbuild test robot <lkp@intel.com> - 2016-04-01 08:30 +0200
    Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle  calculation Laxman Dewangan <ldewangan@nvidia.com> - 2016-04-01 08:50 +0200
      Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle  calculation Mark Brown <broonie@kernel.org> - 2016-04-02 19:00 +0200
        Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle  calculation Laxman Dewangan <ldewangan@nvidia.com> - 2016-04-03 13:20 +0200
          Re: [PATCH] regulator: pwm: Try to avoid voltage error in duty cycle  calculation Mark Brown <broonie@kernel.org> - 2016-04-04 18:30 +0200

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