From patchwork Fri Dec 4 11:44:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 11951539 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=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=unavailable 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 1C481C4361A for ; Fri, 4 Dec 2020 11:44:08 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E407F22285 for ; Fri, 4 Dec 2020 11:44:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E407F22285 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=alsa-devel-bounces@alsa-project.org Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 1AFBB187C; Fri, 4 Dec 2020 12:43:15 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 1AFBB187C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1607082245; bh=CQGde8dYRlqueEwvc7knY4CB9w4yHC8OY/IAzf3YxK8=; h=Date:From:To:Subject:References:In-Reply-To:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=non2wYwWRED3vwv2V0VelWvRqexKtzOSov6fgqZnF4tjPPoTLdWKp1p0dX4BvHLQy F/UokrNjiNMy9BFDThBMC808MBZ4OtU4x+8xGfp4vIGocZLl7FV4boeeaqNKGWS5Wo x+rBktBaZ58NHTNrkM9/5r1YFvF5A7QG1PBKxSo0= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 8CFD6F804AB; Fri, 4 Dec 2020 12:42:56 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 5B043F80273; Fri, 4 Dec 2020 12:42:55 +0100 (CET) Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 9A0DCF80273 for ; Fri, 4 Dec 2020 12:42:52 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 9A0DCF80273 Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="tSQHZ4Oy" Date: Fri, 4 Dec 2020 12:44:07 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1607082170; bh=CQGde8dYRlqueEwvc7knY4CB9w4yHC8OY/IAzf3YxK8=; h=From:To:Cc:Subject:References:In-Reply-To:From; b=tSQHZ4Oy383lMi/uHhG6/0wGOQXxLiB3LUfuHensu29AD+wOBN1igyRMiqJHGya9c XU6K5R+KCB8TR74Yiiw5rFfDPj7Nlbyzp9X7DxcgmK143cGPnHF9aLcndZrdw9YC7k mgVm7a/Z68vtSqNa1f6Z3BNBK1pegmV/pM40/CoE= From: Greg KH To: Dan Williams Subject: [PATCH 2/3] driver core: auxiliary bus: make remove function return void Message-ID: References: <160695681289.505290.8978295443574440604.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Cc: Pierre-Louis Bossart , alsa-devel@alsa-project.org, Kiran Patil , linux-rdma@vger.kernel.org, Shiraz Saleem , Martin Habets , lgirdwood@gmail.com, Ranjani Sridharan , Fred Oh , broonie@kernel.org, jgg@nvidia.com, Dave Ertman , kuba@kernel.org, netdev@vger.kernel.org, Leon Romanovsky , davem@davemloft.net, linux-kernel@vger.kernel.org, Parav Pandit X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Greg Kroah-Hartman There's an effort to move the remove() callback in the driver core to not return an int, as nothing can be done if this function fails. To make that effort easier, make the aux bus remove function void to start with so that no users have to be changed sometime in the future. Signed-off-by: Greg Kroah-Hartman --- Documentation/driver-api/auxiliary_bus.rst | 2 +- drivers/base/auxiliary.c | 5 ++--- include/linux/auxiliary_bus.h | 2 +- 3 files changed, 4 insertions(+), 5 deletions(-) diff --git a/Documentation/driver-api/auxiliary_bus.rst b/Documentation/driver-api/auxiliary_bus.rst index 5dd7804631ef..2312506b0674 100644 --- a/Documentation/driver-api/auxiliary_bus.rst +++ b/Documentation/driver-api/auxiliary_bus.rst @@ -150,7 +150,7 @@ and shutdown notifications using the standard conventions. struct auxiliary_driver { int (*probe)(struct auxiliary_device *, const struct auxiliary_device_id *id); - int (*remove)(struct auxiliary_device *); + void (*remove)(struct auxiliary_device *); void (*shutdown)(struct auxiliary_device *); int (*suspend)(struct auxiliary_device *, pm_message_t); int (*resume)(struct auxiliary_device *); diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c index eca36d6284d0..c44e85802b43 100644 --- a/drivers/base/auxiliary.c +++ b/drivers/base/auxiliary.c @@ -82,13 +82,12 @@ static int auxiliary_bus_remove(struct device *dev) { struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev->driver); struct auxiliary_device *auxdev = to_auxiliary_dev(dev); - int ret = 0; if (auxdrv->remove) - ret = auxdrv->remove(auxdev); + auxdrv->remove(auxdev); dev_pm_domain_detach(dev, true); - return ret; + return 0; } static void auxiliary_bus_shutdown(struct device *dev) diff --git a/include/linux/auxiliary_bus.h b/include/linux/auxiliary_bus.h index 3580743d0e8d..d67b17606210 100644 --- a/include/linux/auxiliary_bus.h +++ b/include/linux/auxiliary_bus.h @@ -19,7 +19,7 @@ struct auxiliary_device { struct auxiliary_driver { int (*probe)(struct auxiliary_device *auxdev, const struct auxiliary_device_id *id); - int (*remove)(struct auxiliary_device *auxdev); + void (*remove)(struct auxiliary_device *auxdev); void (*shutdown)(struct auxiliary_device *auxdev); int (*suspend)(struct auxiliary_device *auxdev, pm_message_t state); int (*resume)(struct auxiliary_device *auxdev);