From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964860AbcJ0SU6 (ORCPT ); Thu, 27 Oct 2016 14:20:58 -0400 Received: from anholt.net ([50.246.234.109]:35477 "EHLO anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751724AbcJ0SU5 (ORCPT ); Thu, 27 Oct 2016 14:20:57 -0400 From: Eric Anholt To: Thomas Gleixner Cc: linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Stephen Warren , Lee Jones , bcm-kernel-feedback-list@broadcom.com, Jason Cooper , Marc Zyngier , Phil Elwell Subject: Re: [PATCH] irq-bcm2836: Prevent spurious interrupts, and trap them early In-Reply-To: <20161027164051.22493-1-eric@anholt.net> References: <20161027164051.22493-1-eric@anholt.net> User-Agent: Notmuch/0.22.2+1~gb0bcfaa (http://notmuchmail.org) Emacs/24.5.1 (x86_64-pc-linux-gnu) Date: Thu, 27 Oct 2016 11:20:55 -0700 Message-ID: <87eg31fybc.fsf@eliezer.anholt.net> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric Anholt writes: > From: Phil Elwell > > The old arch-specific IRQ macros included a dsb to ensure the > write to clear the mailbox interrupt completed before returning > from the interrupt. The BCM2836 irqchip driver needs the same > precaution to avoid spurious interrupts. > > Spurious interrupts are still possible for other reasons, > though, so trap them early. > > Signed-off-by: Phil Elwell > Signed-off-by: Eric Anholt > --- > > Phil, your patch didn't apply because it looks like you pasted into > gmail (tabs got converted to spaces). git-send-email can avoid that. > I've pulled it out of the rpi tree and applied the s-o-b from your > email. > > Also, patches to lkml need to be sent to the relevant maintainers or > they won't get picked up. ./scripts/get_maintainer.pl can > give you the list of who to send to/cc. And then it was my turn to fumble a patch email. Autocompleted the wrong version(s). Resending :(