Unable to boot mainline on snow chromebook since 3.15

[Mark Brown]

On Thu, Sep 11, 2014 at 10:06:08AM +0100, Grant Likely wrote:
> On Wed, 10 Sep 2014 15:31:44 +0100, Mark Brown <broonie at kernel.org> wrote:

> > As well as the regulators we'll also need to fix the clocks.  If we're
> > going to start adding these fixups perhaps we want to consider having a
> > wrapper stage that deals with rewriting DTs prior to trying to use them?
> > I'm not sure if it makes much difference but there's overlap with other
> > tools like the ATAGs conversion wrapper and building separately would
> > let the fixup code run early without directly going into the early init
> > code (which seems a bit scary).

> We've already got a dt fixup hook in the machine struct, created for
> exactly this reason. Fixing an incorrect DT provided by firmware:

> arch/arm/include/asm/mach/arch.h:
> struct machine_desc {
> 	...
> 	void (*dt_fixup)(void);
> 	...

Hrm, that's in the machine descriptor which doesn't seem the ideal
place - something keying off machine ID would be nicer.  But that's
relatively speaking just detail.
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