Boot breaks in -next from LEGACY to LINEAR conversion

On Tue, Jul 17, 2012 at 07:57:49PM +0100, Mark Brown wrote:

-next fails to boot for me today on my s3c64xx based systems.  Walking
back to the last time I tried and bisecting likely branches I find that
commit 910139 (irqdomain: Replace LEGACY mapping with LINEAR) is the one
that introduces the build break.  Unfortunately the boot fails before I
get a console which makes diagnosis somewhat more tricky than would be
ideal.  Any ideas?

Further data: the irq_domain_associate_many() calls that we're now doing
are also causing WARN_ON()s to go off during boot after commit 98aa46
(irqdomain: Support for static IRQ mapping and association) causing
breakage for my interrupt using MFDs.

I don't really have time to investigate now but backing out that commit
seems to make things much happier, I suspect there's some collision with
IRQs allocated statically by the platform but I don't immediately see
what's new here.
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