Re: [PATCH v5 29/29] nios2: Build infrastructure

[Arnd Bergmann]

On Thursday 30 October 2014 18:44:37 Ley Foon Tan wrote:
> >
> > I don't remember what all of these are, but at least some of them seem
> > to be concerned with 64-bit division. By convention, we don't provide those
> > in the Linux kernel but instead require all code to use the do_div()
> > macro instead.
> Do you mean kernel doesn't support 64 bit division result for a 32-bit
> architecture? Because do_div() only support 32-bit division result for
> 32-bit architecture.

Correct. If you need a full 64-bit division on a 32-bit kernel, the
assumption is that your driver has a bug.

	Arnd
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