[PATCH 21/21] ARM: Kirkwood: Remove DT support

[Ben Hutchings]

On Mon, 2014-02-24 at 16:03 +0000, Ian Campbell wrote:
> On Fri, 2014-02-21 at 02:00 +0000, Ben Hutchings wrote:
> > On Thu, 2014-02-20 at 14:24 +0000, Ian Campbell wrote:
> > > On Thu, 2014-02-20 at 14:23 +0100, Andrew Lunn wrote:
> > [...]
> > > > What i suspect we will end up doing it dropping the last patch for the
> > > > moment and ensuring ARCH_KIRKWOOD still supports all the DT machines.
> > > > I think that just needs care with arch/arm/boot/dts/Makefile.
> > > > 
> > > > Once we have the last four converted over to DT, you can then do a
> > > > straight swap, mach-kirkwood for mach-mvebu.
> > > 
> > > That sounds like a good plan, thanks!
> > > 
> > > If we are going to do a straight swap I suppose it might as go for a v5
> > > multiplatform flavour instead of a mvebu specific one.
> > [...]
> > 
> > I would love it if we could do that.
> > 
> > By the way, we still have the problem that at least one supported
> > orion5x machine (D-Link DNS-323) only has a ~1.5 MB kernel partition.
> > So we would probably have to keep a reduced orion5x config for those
> > machines, alongside the mvebu or multiplatform kernel.
> 
> Sure. I think at worst we should aim to end up with as many flavour as
> we have today, in reality I expect we should be able to end up with
> fewer (even if only -= 1).
> 
> BTW, someone (I forget who) at Debconf in Cambridge last year floated
> the idea of putting a stage 2 loader in flash to pull the real kernel
> from some larger storage. I don't know if that is realistic here, and in
> any case I don't intend to work on it myself.

I do remember that, and I like it.  But in order to rely on this, I
think we would need to provide a mostly automatic and safe upgrade path
in Debian.  Unless someone is prepared to spend the (possibly
substantial) effort to do that, we're stuck with that limitation.

Ben.

-- 
Ben Hutchings
Beware of bugs in the above code;
I have only proved it correct, not tried it. - Donald Knuth
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