Re: [patch v11 09/23] ARM64 / ACPI: If we chose to boot from acpi then disable FDT

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On Wed, Mar 25, 2015 at 05:00:27PM +0000, Catalin Marinas wrote:
> On Tue, Mar 24, 2015 at 10:02:42PM +0800, Hanjun Guo wrote:
> > If the early boot methods of acpi are happy that we have valid ACPI
> > tables and acpi=force has been passed, then do not unflat devicetree
> > effectively disabling further hardware probing from DT.
> [...]
> > --- a/arch/arm64/kernel/setup.c
> > +++ b/arch/arm64/kernel/setup.c
> > @@ -390,7 +390,8 @@ void __init setup_arch(char **cmdline_p)
> >  
> >  	early_ioremap_reset();
> >  
> > -	unflatten_device_tree();
> > +	if (acpi_disabled)
> > +		unflatten_device_tree();
> 
> So if we have acpi=force but the acpi failed, do we have acpi_disabled
> set? Or this requires Lorenzo's patch?

Hanjun did not squash with this patch a later patch in the series that
caters for that, I reverted it and added my change on top to make things
simpler, it is all done.

Lorenzo
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