Re: [PATCH v10] i2c-designware: make SDA hold time configurable

[Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>]

On Wednesday 03 July 2013, Stehle Vincent-B46079 wrote:
> > From: Christian Ruppert [mailto:christian.ruppert-ux6zf3SgZrrQT0dZR+AlfA@public.gmane.org]
> (..)
> > Although this doesn't explicitly state what the function returns to me
> > this sounds more like the quotient is returned rather than the remainder?
> 
> Hi,
> 
> Yes div_u64() returns the quotient.
> 
> It is defined in linux/math64.h as:
> 
>   static inline u64 div_u64(u64 dividend, u32 divisor)
>   {
>           u32 remainder;
>           return div_u64_rem(dividend, divisor, &remainder);
>   }
> 
> The remainder is probably fully optimized out.

Ah, you are right, sorry for the confusion on my part.

I thought you had used do_div() rather than div_u64().
Everything's fine then, feel free to add my

Acked-by: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>

to your patch.

	Arnd