From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: Re: [RESEND PATCH v2 1/4] irqchip: gic: Change irq type check when extension is present Date: Wed, 27 Aug 2014 16:03:22 +0200 (CEST) Message-ID: References: <1407895884-18131-1-git-send-email-srv_yingjoe.chen@mediatek.com> <1407895884-18131-2-git-send-email-srv_yingjoe.chen@mediatek.com> <53F724F5.3040004@arm.com> <1409133344.25382.37.camel@coredoba.hi.pengutronix.de> <53FDB4B3.6000400@arm.com> <87ppfmoxxz.fsf@approximate.cambridge.arm.com> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Return-path: In-Reply-To: <87ppfmoxxz.fsf@approximate.cambridge.arm.com> Sender: linux-doc-owner@vger.kernel.org To: Marc Zyngier Cc: =?ISO-8859-15?Q?Jan_L=FCbbe?= , Mark Rutland , "linux-doc@vger.kernel.org" , Russell King , Arnd Bergmann , "Joe.C" , "yh.chen@mediatek.com" , Pawel Moll , "nathan.chung@mediatek.com" "Joe.C" , "devicetree@vger.kernel.org" , Jason Cooper , "yingjoe.chen@gmail.com" , Ian Campbell , Rob Herring , Matthias Brugger , "eddie.huang@mediatek.com" , "linux-arm-kernel@lists.infradead.org" , "srv_heupstream@mediatek.com" List-Id: devicetree@vger.kernel.org On Wed, 27 Aug 2014, Marc Zyngier wrote: > I very much like that kind of approach. Stacking domains seems to solve > a number of issues at once: > > - NVIDIA's gic extension > - TI's crossbar > - ARM's GICv2m > - Mediatek's glorified line inverter > - ... and probably the next madness that's going to land tomorrow Its probably already there you just don't know about it yet :) > I haven't completly groked the way we're going to allocate domains and > irq_data structures, but this is definitely something worth All we have for now is a rough idea and some pseudo code in my lengthy reply to Jiang, but it shouldn't be hard to implement something useful. Thanks, tglx