From mboxrd@z Thu Jan 1 00:00:00 1970 From: marc.zyngier@arm.com (Marc Zyngier) Date: Mon, 23 Apr 2012 17:12:18 +0100 Subject: [PATCH V2] watchdog: mpcore: Add DT probing support for ARM mpcore watchdog In-Reply-To: References: <18a4584c24041ceb8a1972dd5ee70cf7c59fed21.1334932839.git.viresh.kumar@st.com> <7dbd64f72527cf92af0ec38f45275d71207d5ec5.1335008301.git.viresh.kumar@st.com> <4F9514AA.10403@arm.com> <4F9547E3.4000709@arm.com> <4F9573B8.9050607@arm.com> <4F957A0C.7060607@arm.com> Message-ID: <4F957F62.5090605@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 23/04/12 17:01, viresh kumar wrote: > On 4/23/12, Marc Zyngier wrote: >> The TWD watchdog uses a per-cpu interrupt (usually interrupt #30), and >> the GIC configuration should flag it as such. With this setup, >> request_irq() should fail, and the right API is request_percpu_irq(), >> together with enable_percpu_irq()/disable_percpu_irq(). > > request_irq() doesn't fail for me even if i pass it. Well, it definitely should. Can you share the relevant part of your DT? M. -- Jazz is not dead. It just smells funny...