From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757422Ab1GKI1l (ORCPT ); Mon, 11 Jul 2011 04:27:41 -0400 Received: from sm-d311v.smileserver.ne.jp ([203.211.202.206]:10496 "EHLO sm-d311v.smileserver.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757371Ab1GKI1k (ORCPT ); Mon, 11 Jul 2011 04:27:40 -0400 Message-ID: <4E1AB3F7.2070600@dsn.okisemi.com> Date: Mon, 11 Jul 2011 17:27:35 +0900 From: Tomoya MORINAGA User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; ja; rv:1.9.2.17) Gecko/20110414 Thunderbird/3.1.10 MIME-Version: 1.0 To: Grant Likely CC: linux-kernel@vger.kernel.org, alexander.stein@systec-electronic.com, qi.wang@intel.com, yong.y.wang@intel.com, joel.clark@intel.com, kok.howg.ewe@intel.com, toshiharu-linux@dsn.okisemi.com, tglx@linutronix.de Subject: Re: [PATCH v4] pch_gpio: Support interrupt function References: <1309486572-2789-1-git-send-email-tomoya-linux@dsn.okisemi.com> <20110704163137.GA28042@ponder.secretlab.ca> <4E128A7D.9020508@dsn.okisemi.com> <20110705035902.GB13713@ponder.secretlab.ca> <4E12A69C.8030709@dsn.okisemi.com> In-Reply-To: <4E12A69C.8030709@dsn.okisemi.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Grant, (2011/07/05 14:52), Tomoya MORINAGA wrote: > (2011/07/05 12:59), Grant Likely wrote: >>> As we discussed before, >>> without specifying PCH_IRQ_BASE, >>> it seemed IRQ number collision issue occurred. >>> Thus, I added PCH_IRQ_BASE. >> >> Then fix the irq collision. If the core code hands out an irq range >> that is in-use by some other driver, then the other driver isn't >> reserving it's irqs correctly and it needs to be fixed. Hacking >> around the problem doesn't help anything in the long run. >> > > I tried to work irq_alloc_descs with dynamic allocation.(Set 2nd > parameter as 0). > However it seems the issue remains to be seen. > I attached dmesg output log, /proc/interrupts log and modified PCH-GPIO > source code. > > Could you give me your opinion or information ? > > NOTE: I tested on linux-3.0-rc3 > How is it going ? -- tomoya OKI SEMICONDUCTOR CO., LTD.