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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 6932CC432BE for ; Mon, 30 Aug 2021 07:42:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 469446023F for ; Mon, 30 Aug 2021 07:42:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233883AbhH3Hnc (ORCPT ); Mon, 30 Aug 2021 03:43:32 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:9385 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233109AbhH3Hna (ORCPT ); Mon, 30 Aug 2021 03:43:30 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Gyhy56NSCz8sZd; Mon, 30 Aug 2021 15:38:21 +0800 (CST) Received: from dggpemm500004.china.huawei.com (7.185.36.219) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Mon, 30 Aug 2021 15:42:34 +0800 Received: from huawei.com (10.174.28.241) by dggpemm500004.china.huawei.com (7.185.36.219) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Mon, 30 Aug 2021 15:42:34 +0800 From: Bixuan Cui To: , CC: , , , , , , , , , Subject: [PATCH -next v4 1/2] platform-msi: Save the msg context to desc in platform_msi_write_msg() Date: Mon, 30 Aug 2021 15:38:57 +0800 Message-ID: <20210830073858.47084-1-cuibixuan@huawei.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.174.28.241] X-ClientProxiedBy: dggems706-chm.china.huawei.com (10.3.19.183) To dggpemm500004.china.huawei.com (7.185.36.219) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Save the msg context to desc when when the msi interrupt is requested. The drivers can use it in special scenarios(such as resume). Signed-off-by: Bixuan Cui --- drivers/base/platform-msi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/base/platform-msi.c b/drivers/base/platform-msi.c index 3d6c8f9caf43..60962a224fcc 100644 --- a/drivers/base/platform-msi.c +++ b/drivers/base/platform-msi.c @@ -90,6 +90,9 @@ static void platform_msi_write_msg(struct irq_data *data, struct msi_msg *msg) priv_data = desc->platform.msi_priv_data; + desc->msg.address_lo = msg->address_lo; + desc->msg.address_hi = msg->address_hi; + desc->msg.data = msg->data; priv_data->write_msg(desc, msg); } -- 2.17.1