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Subject: Re: [PATCH 4/7] MPIC MSI allocator
From: Michael Ellerman <michael@ellerman.id.au>
To: Olof Johansson <olof@lixom.net>
In-Reply-To: <20070112002712.GA15117@lixom.net>
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	<20070111112504.37999DDF3E@ozlabs.org>
	<20070112002712.GA15117@lixom.net>
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Date: Fri, 12 Jan 2007 11:33:46 +1100
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Cc: Greg Kroah-Hartman <greg@kroah.com>, linux-pci@atrey.karlin.mff.cuni.cz,
	Paul Mackerras <paulus@samba.org>, linuxppc-dev@ozlabs.org
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On Thu, 2007-01-11 at 18:27 -0600, Olof Johansson wrote:
> On Thu, Jan 11, 2007 at 10:25:21PM +1100, Michael Ellerman wrote:
> > To support MSI on MPIC we need a way to reserve and allocate hardware i=
rq
> > numbers, this patch implements an allocator for that.
> >=20
> > Updated to only do dogy-U3-fallback-hacks on U3, all other platforms mu=
st
> > define a "msi-ranges" property on their MPIC node for MSI to work.
>=20
> The msi-ranges spec isn't documented anywhere besides the code where it's
> used. Please add it to Documentation/powerpc/booting-without-of.txt too.

OK, will do.

I'm going to rename it to "msi-available-ranges" while I'm at it, PAPR
defines an "ibm,msi-ranges" property which has a very different meaning,
so I think the longer name is less confusing - even if there's never
going to be any machine with both.

cheers

--=20
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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