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 CCA7DC54EED for ; Mon, 30 Jan 2023 09:54:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235955AbjA3Jye (ORCPT ); Mon, 30 Jan 2023 04:54:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56084 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235868AbjA3Jya (ORCPT ); Mon, 30 Jan 2023 04:54:30 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 48A724C2D for ; Mon, 30 Jan 2023 01:53:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1675072422; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=oC9mkSXmhg5R3yB+IPp3y2JMPWQpGEK7krJEALbSb48=; b=aRWIa1KHqhrZaCl2kaTXLje9J9S1Vh95ozE/50NRVNcbmU5WjgdU2Rgyg1c+DdI8E1QH2O jEJaaoT9REAOuUHRkNHQNacUxLxYK5d8jjEAKIpFoXoowFZKWSv7Nx5RGA6X6B1URDrI6Q 1SXXLS2rXx2KVRiN6Cff5aQTo8CeRLw= Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-18--IEcLegZPLiMU61Z-_k_Yg-1; Mon, 30 Jan 2023 04:53:40 -0500 X-MC-Unique: -IEcLegZPLiMU61Z-_k_Yg-1 Received: by mail-qk1-f200.google.com with SMTP id g6-20020ae9e106000000b00720f9e6e3e2so493046qkm.13 for ; Mon, 30 Jan 2023 01:53:40 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:reply-to:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=oC9mkSXmhg5R3yB+IPp3y2JMPWQpGEK7krJEALbSb48=; b=CyUADK7M3QUU1wf+ahesGSCEGFKXKZCZsi0Xgi1cFJQ+J59J3nLczDzG3zP6mF0K2L jghoL410rKerDWLT0isi0oSwps1QqDuaI428VtzKt25LmL17n1m3GhaPas2IbLLcFWTc 2HBJGrVkHe/ZeG14of+qA3GjHhjkFpTq7LXguLSqIgEFlpxS5UZFgNoldCh5aJEQnPIQ eyk3SAFK1BcHTkqBzVzcgnqI8PVH3pBOuo8bnpav0FVvfRVzjHaYQYhJhItQ00e0EJbI 6mXoopI2PupzP2rh5c+4gdbjInYwgGT2rDOykkZ+3bunP1fNrnRIpLBxAucz1jROPiwU 4lNQ== X-Gm-Message-State: AO0yUKXmENqRr9Idp0MQrBel0SXkPVJNCTTYjIWNyeVbt9pXhePqA6EN NIzCtcwNIRxzGooY7Tzlhkdl4jsnOeykNW11Z2lxUFmp3KXkZVpw7zf4hWYFDy6F3/KN3iToCW4 ryS53zVxsKCKVwJ2Bg/p5TFFY X-Received: by 2002:ac8:7c53:0:b0:3b9:971d:4e2c with SMTP id o19-20020ac87c53000000b003b9971d4e2cmr389260qtv.45.1675072419921; Mon, 30 Jan 2023 01:53:39 -0800 (PST) X-Google-Smtp-Source: AK7set80CR/nVTtkwCAfEd/IosABre9253z+xcb1dPuLTEZo0Xvm2rHI9QMIYNf/0aiswG0Y3K1ebg== X-Received: by 2002:ac8:7c53:0:b0:3b9:971d:4e2c with SMTP id o19-20020ac87c53000000b003b9971d4e2cmr389249qtv.45.1675072419670; Mon, 30 Jan 2023 01:53:39 -0800 (PST) Received: from ?IPV6:2a01:e0a:59e:9d80:527b:9dff:feef:3874? ([2a01:e0a:59e:9d80:527b:9dff:feef:3874]) by smtp.gmail.com with ESMTPSA id b25-20020ac844d9000000b003b82cb8748dsm5345531qto.96.2023.01.30.01.53.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 30 Jan 2023 01:53:36 -0800 (PST) Message-ID: <161272ef-eebc-7b86-1290-d0d77f887700@redhat.com> Date: Mon, 30 Jan 2023 10:53:32 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.3.1 Reply-To: eric.auger@redhat.com Subject: Re: [PATCH] vfio: platform: ignore missing reset if disabled at module init Content-Language: en-US To: "Tian, Kevin" , Tomasz Duszynski , Alex Williamson , Cornelia Huck , Jason Gunthorpe , "open list:VFIO PLATFORM DRIVER" , open list Cc: "jerinj@marvell.com" References: <20230125161115.1356233-1-tduszynski@marvell.com> From: Eric Auger In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 1/30/23 10:05, Tian, Kevin wrote: >> From: Tomasz Duszynski >> Sent: Thursday, January 26, 2023 12:11 AM >> @@ -653,7 +653,8 @@ int vfio_platform_init_common(struct >> vfio_platform_device *vdev) >> if (ret && vdev->reset_required) >> dev_err(dev, "No reset function found for device %s\n", >> vdev->name); >> - return ret; >> + >> + return vdev->reset_required ? ret : 0; >> } >> EXPORT_SYMBOL_GPL(vfio_platform_init_common); > It reads slightly better to me as below: > > if (ret & vdev->reset_required) { > dev_err(...); > return ret; > } > > return 0; > agreed. Thanks Eric