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 X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1C5EC43387 for ; Wed, 9 Jan 2019 10:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C69AC20883 for ; Wed, 9 Jan 2019 10:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730390AbfAIKUP (ORCPT ); Wed, 9 Jan 2019 05:20:15 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:54474 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1730184AbfAIKUO (ORCPT ); Wed, 9 Jan 2019 05:20:14 -0500 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 80CD6139428BCF27773E; Wed, 9 Jan 2019 18:20:12 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.408.0; Wed, 9 Jan 2019 18:20:05 +0800 Subject: Re: [PATCH v2 0/4] add support for MBIGEN generating message based SPIs To: Yang Yingliang , , CC: , , Linuxarm References: <1540540280-26612-1-git-send-email-yangyingliang@huawei.com> From: Hanjun Guo Message-ID: <08646b86-8228-4920-00cb-6c3f44c4484b@huawei.com> Date: Wed, 9 Jan 2019 18:18:10 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <1540540280-26612-1-git-send-email-yangyingliang@huawei.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Marc, Sorry for ping you... On 2018/10/26 15:51, Yang Yingliang wrote: > Now MBIGENs have pins that used to generate SPIs, > with > 5052875 ("irqchip/gic-v3: Add support for Message Based Interrupts as an MSI controller"), > we can support MBIGEN to generate message based SPIs by writing > GICD_SETSPIR. This patchset add support for MBIGEN generating > message based SPIs and a bugfix for MBI driver. What's you suggestion for this patch set? We would like your input for next steps. > > > Patch #1 is a bugfix for MBI driver. At least this patch can be merged first as it's an obvious bug, without this patch, the MBI dirver can't work I think because the mutex lock is not initialized. Thanks Hanjun