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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73B61C433EF for ; Mon, 4 Jul 2022 06:56:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230499AbiGDG4L (ORCPT ); Mon, 4 Jul 2022 02:56:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57992 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229475AbiGDG4J (ORCPT ); Mon, 4 Jul 2022 02:56:09 -0400 Received: from mail-ej1-f47.google.com (mail-ej1-f47.google.com [209.85.218.47]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE70D2DE3; Sun, 3 Jul 2022 23:56:07 -0700 (PDT) Received: by mail-ej1-f47.google.com with SMTP id ay16so15023518ejb.6; Sun, 03 Jul 2022 23:56:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:from:to:cc:references:in-reply-to :content-transfer-encoding; bh=sLZxcn/mwX9NSWhtBrUUwKBfPIOzguHlMVriisP3s50=; b=TZ+YeaivxyquGpUj9WAT5oZJzBe9q7qqSEvCh9sRVq6Ise13FvGMicVNaSSDKcYy2W 5m9dXWM5yDagZYNYL2ZBOHBLBzd+FA/pFC19HLwzO6yQYliFhAJ4INpET7f+nvDzCCVp xCdpT3y+sUDwPQguyVbNzffIvbVZsCJoNU7MGlmBUWDFSM05TvxTkBwTAIfSME1JbY0E 0rlkl1X4KIg6ybbLllhGNhEFSoWpL+gca4RxN/S3Uh66ylnwpj7R8hOmvgCtTxnW5mc/ bhyAyjnWJ3wb/OqDN09qfguzOFsp+lK+D7v/3nQ84tyiLJ63wqTpYRlcVizGB955BxGO N+8w== X-Gm-Message-State: AJIora9+LaWoaBDXDyqlY6+Qt/JYlrYVPJWA7cmDtARcGDyMsEcFUqzm MBF4ZEzr5VYzq2Y8/vgSoXo= X-Google-Smtp-Source: AGRyM1uwNoj8eGbBYscqhKNT3kl/EICy8stzzbFwhI67Gi9CQ9Ux4HU0BLwYn9CX17sMulpmdbgQ5w== X-Received: by 2002:a17:907:6d86:b0:726:99d7:20e4 with SMTP id sb6-20020a1709076d8600b0072699d720e4mr27177070ejc.342.1656917766291; Sun, 03 Jul 2022 23:56:06 -0700 (PDT) Received: from ?IPV6:2a0b:e7c0:0:107::49? ([2a0b:e7c0:0:107::49]) by smtp.gmail.com with ESMTPSA id w14-20020a056402128e00b004356894a3f8sm20136747edv.89.2022.07.03.23.56.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 03 Jul 2022 23:56:05 -0700 (PDT) Message-ID: <06e40c1c-d8e3-b1c1-276a-e32e579371b8@kernel.org> Date: Mon, 4 Jul 2022 08:56:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [PATCH v9 4/6] serial: take termios_rwsem for ->rs485_config() & pass termios as param Content-Language: en-US From: Jiri Slaby To: =?UTF-8?Q?Ilpo_J=c3=a4rvinen?= , linux-serial@vger.kernel.org, Greg KH , Andy Shevchenko , Vladimir Zapolskiy , Russell King , Richard Genoud , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Maxime Coquelin , Alexandre Torgue , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com Cc: Lukas Wunner , =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Lino Sanfilippo References: <20220624204210.11112-1-ilpo.jarvinen@linux.intel.com> <20220624204210.11112-5-ilpo.jarvinen@linux.intel.com> <60678c81-27bf-6f37-bae5-ccc91d714204@kernel.org> In-Reply-To: <60678c81-27bf-6f37-bae5-ccc91d714204@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04. 07. 22, 8:51, Jiri Slaby wrote: > Anyway, I'm not sure I buy the above. Why is termios_rwsem needed to > alter ADDRB? Nevermind, reading patch 5/6 gives a clue. -- js suse labs