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

[Mark Brown]

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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