> > > > What's wrong with the soc subsystem (drivers/base/soc.c). This
> > > > provides a way to export SoC through standardised interfaces.
> > >
> > > It looks like the thing to use to me.
> > >
> > > It seems to have been around only since v3.3 though, which makes it a
> > > bit tricky to use when upgrading from running board-file based v3.2
> > > system (Debian Wheezy) to a newer DTB based kernel, we need to select
> > > the new DTB while running the old system.
> > >
> > > I'd prefer to use this thing as the primary mechanism but it seems like
> > > I'd have to implement some sort of fallback at least for one Debian
> > > release cycle. I'm sure it is doable...
> >
> > back in v3.2, lspci should still work. Would that given you the
> > information you need?
>
> I expect it will, yes.
3.14 with the new PCIe driver will also work. The patch was accepted
and considered a regression so made it into one of the -rc's.
Andrew
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