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Message-ID: <1322012538.14573.20.camel@pasglop> Date: Wed, 23 Nov 2011 12:42:18 +1100 From: Benjamin Herrenschmidt <benh@...nel.crashing.org> To: David Gibson <david@...son.dropbear.id.au> Cc: Tanmay Inamdar <tinamdar@....com>, linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org Subject: Re: powerpc: dts: Fix canyonlands EMAC interrupt map On Wed, 2011-11-23 at 12:15 +1100, David Gibson wrote: > On Wed, Nov 23, 2011 at 08:16:40AM +1100, Benjamin Herrenschmidt wrote: > > On Tue, 2011-11-22 at 12:41 +0530, Tanmay Inamdar wrote: > > > Fixing interrupt mapping of EMAC for canyonlands > > > > The previous stuff was odd .... but was it broken ? > > > > It was done this way because the EMAC actually has more interrupts than > > that which are routed to different UICs, and so doing a local map this > > way allows to target multiple parents. > > Well, in the canyonlands case, it appears that the interrupts went to > the same pic, so the simpler representation should be correct as > well. However, there certainly are boards where they go to multiple > pics, so we need this interrupt-map trick. Doesn't emac has something like 4 more interrupts that we simply haven't been bothered wiring up (because we don't use them ?) Cheers, Ben. -- 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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