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Re: [Xen-devel] [PATCH OSSTEST v4 10/13] ts-kernel-build: Adjust kernel .config to work on the arndale boards.

On Wed, 2015-01-21 at 16:20 +0000, Ian Jackson wrote:
> > > > +# Enabling Exynos4 forces wierd CONFIG_HZ==200, and we don't
> > > > +# support that platform anyway.
> > > > +setopt CONFIG_ARCH_EXYNOS4 n
> This is a particular kind of board ?  In which case, fine.

It's a class of SoC (i.e. SoC models 4xxx), however virtualisation
support was only added to EXYNOS 5xxx onwards, so I don't think we will
ever care about EXYNOS4 in osstest.

might cause this to change at some point.

> > > > +# Having these on breaks USB
> > > > +setopt CONFIG_SAMSUNG_USB2PHY n
> > > > +setopt CONFIG_SAMSUNG_USB3PHY n
> I don't know what this is.  Convince me it's harmless to disable ? :-)

They are phy drivers for the USB on some samsung SoC or other, I'm not
sure which. I do know that they aren't needed for any of the peripherals
on the Arndale which we need, like the USB Ethernet.

Exynos' support for multiplatform kernels (i.e. ones which run on
several SoCs instead of being compiled for a single system) is pretty
immature at the moment, since it is pretty new. I'd expect that
eventually some of these quirks will go away, but at that point we still
won't care about these options, I think.


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