From mboxrd@z Thu Jan 1 00:00:00 1970 From: Aliaksei Katovich Subject: Re: [PATCH v2 0/4] Exynos 5410 Dual cluster support Date: Thu, 17 Oct 2013 17:24:56 +0300 Message-ID: <20131017142456.GH3061@cat.local> References: <1381763305-7085-1-git-send-email-v.tyrtov@samsung.com> <87k3hc3lso.fsf@linaro.org> <20131017130435.GG3061@cat.local> <525FEB7A.6030609@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Return-path: Content-Disposition: inline In-Reply-To: <525FEB7A.6030609@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org To: Tarek Dakhran Cc: Kevin Hilman , Vyacheslav Tyrtov , Mark Rutland , devicetree@vger.kernel.org, Kukjin Kim , Russell King , Ben Dooks , Pawel Moll , Ian Campbell , Stephen Warren , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring , Daniel Lezcano , linux-samsung-soc@vger.kernel.org, Rob Landley , Mike Turquette , Thomas Gleixner , Naour Romain , linux-arm-kernel@lists.infradead.org, Heiko Stuebner List-Id: devicetree@vger.kernel.org hi Tarek; > > However there seem to be some issues with virq allocations, like this: > > > > > > Starting kernel ... > > > > [ 0.000000] [] (unwind_backtrace+0x0/0xf8) from [] (show_stack+0x10/0x14) > > [ 0.000000] [] (show_stack+0x10/0x14) from [] (dump_stack+0x6c/0xac) > > [ 0.000000] [] (dump_stack+0x6c/0xac) from [] (warn_slowpath_common+0x64/0x88) > > [ 0.000000] [] (warn_slowpath_common+0x64/0x88) from [] (warn_slowpath_fmt+0x30/0x40) > > [ 0.000000] [] (warn_slowpath_fmt+0x30/0x40) from [] (irq_domain_associate+0x128/0x1a8) > > [ 0.000000] [] (irq_domain_associate+0x128/0x1a8) from [] (irq_domain_associate_many+0x30/0x3c > > ) > > [ 0.000000] [] (irq_domain_associate_many+0x30/0x3c) from [] (irq_domain_add_simple+0x78/0x90) > > [ 0.000000] [] (irq_domain_add_simple+0x78/0x90) from [] (combiner_of_init+0xb4/0x198) > > [ 0.000000] [] (combiner_of_init+0xb4/0x198) from [] (of_irq_init+0x278/0x2a0) > > [ 0.000000] [] (of_irq_init+0x278/0x2a0) from [] (start_kernel+0x18c/0x384) > > [ 0.000000] [] (start_kernel+0x18c/0x384) from [<40008074>] (0x40008074) > > [ 0.000000] ---[ end trace 1b75b31a2719edcd ]--- > > [ 0.000000] ------------[ cut here ]------------ > > [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/irq/irqdomain.c:278 irq_domain_associate+0x128/0x1a8() > > [ 0.000000] error: virq337 is not allocated > > [ 0.000000] Modules linked in: > > [ 0.000000] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 3.12.0-rc5-00004-g1cb405f #1 > > [ 0.000000] [] (unwind_backtrace+0x0/0xf8) from [] (show_stack+0x10/0x14) > > [ 0.000000] [] (show_stack+0x10/0x14) from [] (dump_stack+0x6c/0xac) > > [ 0.000000] [] (dump_stack+0x6c/0xac) from [] (warn_slowpath_common+0x64/0x88) > > [ 0.000000] [] (warn_slowpath_common+0x64/0x88) from [] (warn_slowpath_fmt+0x30/0x40) > > [ 0.000000] [] (warn_slowpath_fmt+0x30/0x40) from [] (irq_domain_associate+0x128/0x1a8) > > [ 0.000000] [] (irq_domain_associate+0x128/0x1a8) from [] (irq_domain_associate_many+0x30/0x3c > > ) > > [ 0.000000] [] (irq_domain_associate_many+0x30/0x3c) from [] (irq_domain_add_simple+0x78/0x90) > > [ 0.000000] [] (irq_domain_add_simple+0x78/0x90) from [] (combiner_of_init+0xb4/0x198) > > [ 0.000000] [] (combiner_of_init+0xb4/0x198) from [] (of_irq_init+0x278/0x2a0) > > [ 0.000000] [] (of_irq_init+0x278/0x2a0) from [] (start_kernel+0x18c/0x384) > > [ 0.000000] [] (start_kernel+0x18c/0x384) from [<40008074>] (0x40008074) > > [ 0.000000] ---[ end trace 1b75b31a2719edce ]--- > > [ 0.000000] ------------[ cut here ]------------ > > > This will be fixed in 3.13. > > Now you can just change "irq_base = 160" to "irq_base = 256" > in "static int __init combiner_of_init(struct device_node *np, struct > device_node *parent)" function > in "drivers/irqchip/exynos-combiner.c" Thanks, this works for me! -- Aliaksei > > Best regards, > Tarek Dakhran >