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Date: Tue, 20 Sep 2011 21:11:18 -1000 From: Mitch Bradley <wmb@...mworks.com> To: David Miller <davem@...emloft.net> CC: grant.likely@...retlab.ca, dave.martin@...aro.org, linux@....linux.org.uk, devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org, rob.herring@...xeda.com, linux-arm-kernel@...ts.infradead.org Subject: Re: [PATCH 0/3] GIC OF bindings On 9/20/2011 7:21 PM, David Miller wrote: > From: Mitch Bradley<wmb@...mworks.com> > Date: Tue, 20 Sep 2011 18:58:12 -1000 > >> interrupt-parent has been part of the interrupt mapping spec from the >> inception of same. >> >> http://www.openfirmware.info/docs/rec.intmap.d09.pdf > > Thanks for the link. > > In my vast collection of Sun OF dumps, I cannot find a single instance > where they've made use of this property, which is why I've never seen > it before. I can't say I'm surprised at that. Sun hardware tends to be rather more hierarchical than is the norm in, for example, the PC space. This particular document came into being during the CHRP era, when IBM and Apple were trying to glue a Macintosh legacy I/O system onto the side of a PC legacy I/O system. The result was not pretty. Sun had at least the semblance of a coherent architectural design and review process. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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