From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99C11C7EE23 for ; Thu, 11 May 2023 14:50:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237771AbjEKOuT convert rfc822-to-8bit (ORCPT ); Thu, 11 May 2023 10:50:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41590 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238397AbjEKOtW (ORCPT ); Thu, 11 May 2023 10:49:22 -0400 Received: from outpost1.zedat.fu-berlin.de (outpost1.zedat.fu-berlin.de [130.133.4.66]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4257011D99; Thu, 11 May 2023 07:47:39 -0700 (PDT) Received: from inpost2.zedat.fu-berlin.de ([130.133.4.69]) by outpost.zedat.fu-berlin.de (Exim 4.95) with esmtps (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1px7Zq-004C7A-Eu; Thu, 11 May 2023 16:47:30 +0200 Received: from p5b13addc.dip0.t-ipconnect.de ([91.19.173.220] helo=[192.168.178.81]) by inpost2.zedat.fu-berlin.de (Exim 4.95) with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (envelope-from ) id 1px7Zq-0013pG-7p; Thu, 11 May 2023 16:47:30 +0200 Message-ID: <5f5ac2ac5c6e8cd2034e17282eec00b4c88f23b6.camel@physik.fu-berlin.de> Subject: Re: [PATCH] irqchip/jcore-aic: Fix missing allocation of IRQ descriptors From: John Paul Adrian Glaubitz To: Geert Uytterhoeven Cc: Thomas Gleixner , Marc Zyngier , Rich Felker , Jason Cooper , linux-kernel@vger.kernel.org, Linux-sh list Date: Thu, 11 May 2023 16:47:29 +0200 In-Reply-To: References: <20230510163343.43090-1-glaubitz@physik.fu-berlin.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT User-Agent: Evolution 3.48.1 MIME-Version: 1.0 X-Original-Sender: glaubitz@physik.fu-berlin.de X-Originating-IP: 91.19.173.220 X-ZEDAT-Hint: PO Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Geert! On Thu, 2023-05-11 at 16:35 +0200, Geert Uytterhoeven wrote: > Hi Adrian, > > On Wed, May 10, 2023 at 6:36 PM John Paul Adrian Glaubitz > wrote: > > The initialization function for the J-Core AIC aic_irq_of_init() is > > currently missing the call to irq_alloc_descs() which allocates and > > initializes all the IRQ descriptors. Add missing function call and > > return the error code from irq_alloc_descs() in case the allocation > > fails. > > > > Fixes: 981b58f66cfc ("irqchip/jcore-aic: Add J-Core AIC driver") > > Signed-off-by: John Paul Adrian Glaubitz > > Thanks for your patch! > > I am not an IRQ expert, so I'd like to leave the technical parts for > e.g. Marc. But I think you should add to the description that this > is based on a patch by Rich. Will do! Thanks for the suggestions! I read through the IRQ source code and checked what other architectures do and I think the first parameter should be "-1" not 0. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913