From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: [PATCH V4 2/2] arm: dts: dra7: add crossbar device binding Date: Wed, 9 Jul 2014 23:19:49 -0700 Message-ID: <20140710061949.GE28884@atomide.com> References: <1403767532-19290-1-git-send-email-r.sricharan@ti.com> <1403767532-19290-3-git-send-email-r.sricharan@ti.com> <20140626074417.GF28884@atomide.com> <53ABDA9A.8000108@ti.com> <20140626102650.GH28884@atomide.com> <20140709154417.GC28884@atomide.com> <53BE2B6D.1090602@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <53BE2B6D.1090602@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Lokesh Vutla Cc: Sricharan R , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, santosh.shilimkar@ti.com, nm@ti.com, rnayak@ti.com, linux@arm.linux.org.uk, tglx@linutronix.de, jason@lakedaemon.net, joe@perches.com, Benoit Cousson List-Id: devicetree@vger.kernel.org * Lokesh Vutla [140709 23:00]: > Hi Tony, > On Wednesday 09 July 2014 09:14 PM, Tony Lindgren wrote: > > * Tony Lindgren [140626 03:28]: > >> * Sricharan R [140626 01:36]: > >>> Hi Tony, > >>> > >>> On Thursday 26 June 2014 01:14 PM, Tony Lindgren wrote: > >>>> * Sricharan R [140626 00:29]: > >>>>> From: R Sricharan > >>>>> > >>>>> There is a IRQ crossbar device in the soc, which > >>>>> maps the irq requests from the peripherals to the > >>>>> mpu interrupt controller's inputs. The Peripheral irq > >>>>> requests are connected to only one crossbar > >>>>> input and the output of the crossbar is connected to only one > >>>>> controller's input line. The crossbar device is used to map > >>>>> a peripheral input to a free mpu's interrupt controller line. > >>>>> > >>>>> Here, adding a new crossbar device node and replacing all the peripheral > >>>>> interrupt numbers with its fixed crossbar input lines. > >>>> > >>>> I think these two patches need to be a single patch to avoid > >>>> breaking booting for git bisect inbetween these patches? > >>> This does not cause booting issues. irq_desc gets allocated linearly, > >>> but that does not create boot issues. > >> > >> OK > > > > These are now applied on top of Jason's immutable irqchip branch > > and merged and pushed out into omap-for-v3.17/dt. Can you guys > > please test? > I have tested omap-for-v3.17/dt on DRA7 EVM. Crossbar is working fine. > Looks good to me. > > lokesh@a0131933lt:~/working/mainline/linux$ git describe > v3.16-rc1-34-g6464099 > > Please find the logs here: http://paste.ubuntu.com/7773616/ OK great thanks! Tony