From patchwork Mon Mar 14 17:01:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud POULIQUEN X-Patchwork-Id: 12780517 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 3D74DC433EF for ; Mon, 14 Mar 2022 17:01:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236758AbiCNRDC (ORCPT ); Mon, 14 Mar 2022 13:03:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54030 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242386AbiCNRDB (ORCPT ); Mon, 14 Mar 2022 13:03:01 -0400 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B3B6112A99; Mon, 14 Mar 2022 10:01:50 -0700 (PDT) Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.1.2/8.16.1.2) with ESMTP id 22ECqR3q031663; Mon, 14 Mar 2022 18:01:43 +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=FZjj/Sy1HgARjNayPDlJKjY5zb3GhwzO8FDF6NTyqwE=; b=xVQji2Pa1OJWeadqCvqoB5Za4OpLf5RRTRQc5XXv6z/sOVSD1ftdO61P8aW9+tassSXr FfRDobPeRf4xEhgI2M/pf2B0VIeIp5eM7NIJ3XOc4h8TBy68mtXOZ/KJVozxHpvNpxtj h872b4IxcqqjRxfkQCZnG+IrWICr3GgjVo7Z7T9ChBOFezBG4idyXNHRN+iSOqsWj0er m8OMxpw/jPjhgh/B/vvJ4Ifgm1EwgGoyKrbSxYalwOPnxnRbwynf3w3BNqeZfS/qhgA6 7Ya+hyN6T2cGnS3quDvO+tJWYX1zrm1SO8XctZPGJLB4Gg47Ql1n2C6BkbhFK1w4yVL+ 9Q== 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 3et63hsemr-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 14 Mar 2022 18:01:43 +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 8103B10002A; Mon, 14 Mar 2022 18:01:42 +0100 (CET) Received: from Webmail-eu.st.com (sfhdag2node2.st.com [10.75.127.5]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 794662309F1; Mon, 14 Mar 2022 18:01:42 +0100 (CET) Received: from localhost (10.75.127.51) by SFHDAG2NODE2.st.com (10.75.127.5) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Mon, 14 Mar 2022 18:01:42 +0100 From: Arnaud Pouliquen To: Bjorn Andersson , Mathieu Poirier CC: , , , Rob Herring , Christoph Hellwig , Stefano Stabellini , Bruce Ashfield , Subject: [RFC PATCH v4 2/4] remoteproc: core: Introduce rproc_register_rvdev function Date: Mon, 14 Mar 2022 18:01:24 +0100 Message-ID: <20220314170126.2333996-3-arnaud.pouliquen@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220314170126.2333996-1-arnaud.pouliquen@foss.st.com> References: <20220314170126.2333996-1-arnaud.pouliquen@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG2NODE2.st.com (10.75.127.5) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-14_12,2022-03-14_02,2022-02-23_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. Signed-off-by: Arnaud Pouliquen --- Update vs previous revision: - rename rproc_register_rvdev/rproc_unregister_rvdev to rproc_add_rvdev/rproc_remove_rvdev --- 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 42daa36a94c0..1ca7320f04da 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -484,6 +484,18 @@ static int copy_dma_range_map(struct device *to, struct device *from) return 0; } +static void rproc_add_rvdev(struct rproc *rproc, struct rproc_vdev *rvdev) +{ + if (rvdev && rproc) + list_add_tail(&rvdev->node, &rproc->rvdevs); +} + +static void rproc_remove_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) { @@ -547,7 +559,7 @@ 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_add_rvdev(rproc, rvdev); rvdev->subdev.start = rproc_vdev_do_start; rvdev->subdev.stop = rproc_vdev_do_stop; @@ -576,7 +588,7 @@ static void rproc_rvdev_remove_device(struct rproc_vdev *rvdev) } rproc_remove_subdev(rproc, &rvdev->subdev); - list_del(&rvdev->node); + rproc_remove_rvdev(rvdev); device_unregister(&rvdev->dev); }