From patchwork Wed Jan 26 16:24:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 12725429 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 3FCB0C63684 for ; Wed, 26 Jan 2022 16:24:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236807AbiAZQYb (ORCPT ); Wed, 26 Jan 2022 11:24:31 -0500 Received: from mx07-00178001.pphosted.com ([185.132.182.106]:57544 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236787AbiAZQYa (ORCPT ); Wed, 26 Jan 2022 11:24:30 -0500 Received: from pps.filterd (m0241204.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 20QCbu9K017387; Wed, 26 Jan 2022 17:24:16 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=PqSgHehRXT9z6NjwUWn4LDcO+RgcjoZI7N2Lc7qu6Gk=; b=b0JAnK2SAswixoMsatpzIQGHcUsGVD9iW/r7GeS7pfSYw/CAO2i7GDCy+DPBFnnb1crV rNF5ZTpNv+90X7vACfuXBnB6hhqyFMpQjSl1JIuY+8CSSk5z3SMUxqzMZaJtnhnY5hqk OJKFbk6hEMbcLVy34s3PYyRBnRMSqWhD9VpbQCQ8uuQ50denNdDz6MePe2BRgCJJ//Ck w3mBfeQYkHQLYUPg90MOhs3Yde2rY6DTc2q7qz/Zv0jYn2o65PZIsnhFmRSYvpICQOwA n9FvBRUiRfV3qGWzekqL91teDme8P+kP7W0NV3+LA/3Am85ph2WZ2wlS1VLof8OXD3Kl ZA== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3du26mjr16-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 26 Jan 2022 17:24:16 +0100 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id EEAB810002A; Wed, 26 Jan 2022 17:24:15 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id E6A362291D2; Wed, 26 Jan 2022 17:24:15 +0100 (CET) Received: from localhost (10.75.127.49) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Wed, 26 Jan 2022 17:24:15 +0100 From: Arnaud Pouliquen To: Bjorn Andersson , Mathieu Poirier CC: , , , Rob Herring , Christoph Hellwig , Stefano Stabellini , Bruce Ashfield , Subject: [RFC PATCH v3 2/4] remoteproc: core: Introduce rproc_register_rvdev function Date: Wed, 26 Jan 2022 17:24:03 +0100 Message-ID: <20220126162405.1131323-3-arnaud.pouliquen@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220126162405.1131323-1-arnaud.pouliquen@foss.st.com> References: <20220126162405.1131323-1-arnaud.pouliquen@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-26_05,2022-01-26_01,2021-12-02_01 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org The rproc structure contains a list of registered rproc_vdev structure. To be able to move the management of the rproc_vdev structure in remoteproc_virtio.c (i.e rproc_rvdev_add_device and rproc_rvdev_remove_device functions), introduce the rproc_register_rvdev and rproc_unregister_rvdev functions. These functions will be exported by the remoteproc_core.c. Signed-off-by: Arnaud Pouliquen --- drivers/remoteproc/remoteproc_core.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 83ff44a6a4db..7a091f860c82 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -491,6 +491,18 @@ static int copy_dma_range_map(struct device *to, struct device *from) return 0; } +static void rproc_register_rvdev(struct rproc *rproc, struct rproc_vdev *rvdev) +{ + if (rvdev && rproc) + list_add_tail(&rvdev->node, &rproc->rvdevs); +} + +static void rproc_unregister_rvdev(struct rproc_vdev *rvdev) +{ + if (rvdev) + list_del(&rvdev->node); +} + static struct rproc_vdev * rproc_rvdev_add_device(struct rproc *rproc, struct rproc_vdev_data *rvdev_data) { @@ -554,7 +566,7 @@ rproc_rvdev_add_device(struct rproc *rproc, struct rproc_vdev_data *rvdev_data) goto unwind_vring_allocations; } - list_add_tail(&rvdev->node, &rproc->rvdevs); + rproc_register_rvdev(rproc, rvdev); rvdev->subdev.start = rproc_vdev_do_start; rvdev->subdev.stop = rproc_vdev_do_stop; @@ -583,7 +595,7 @@ static void rproc_rvdev_remove_device(struct rproc_vdev *rvdev) } rproc_remove_subdev(rproc, &rvdev->subdev); - list_del(&rvdev->node); + rproc_unregister_rvdev(rvdev); device_unregister(&rvdev->dev); }