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 7B2D2C433FE for ; Tue, 25 Jan 2022 18:41:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232919AbiAYSlB (ORCPT ); Tue, 25 Jan 2022 13:41:01 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:24283 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230123AbiAYSkv (ORCPT ); Tue, 25 Jan 2022 13:40:51 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1643136051; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=g6xgw7PLLB99kGOm82Md5xSrceAHr+vyHuVH486XnJc=; b=QFrDht///ZiAsWtq5NB+5Xfy9GgQOWlmnYsXx1JW/G6PzlBFV3wV/s5PgUddS4dwi7u+JE W1JXRW0SeqAoNEEcmg/+cxbgavhtAH0aF1703vWgClKwRp8x8kJL83cRryoKRSfCWbRwIQ FnTsjJ/YEmfR+nh5OCG0leEmMooZ5Sw= Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-26-3sjI0LaFM7i-fBcXZpzikw-1; Tue, 25 Jan 2022 13:40:49 -0500 X-MC-Unique: 3sjI0LaFM7i-fBcXZpzikw-1 Received: by mail-ed1-f71.google.com with SMTP id j1-20020aa7c341000000b0040417b84efeso15390459edr.21 for ; Tue, 25 Jan 2022 10:40:49 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=g6xgw7PLLB99kGOm82Md5xSrceAHr+vyHuVH486XnJc=; b=gKUhWNyuI+vVhdPuP/oQcB9WcYHeyMEP8s8vPBtU7YEiXCJL9zywVDezZJT9lFrRyA ZtDpJOU37E8yI0LYD6KsBUajHBct5hc7oFQfVH0R/NEBGfOCiw5B8tSkFkhopFEGbUqE MhFdfW+K9zPDyzG5kYmbKgEZz+Bo5q1SPMfl7U51l1Gm8OMmFwUhyX8X5sEq8Eokaxzo dnj46fRGdeAlr2GStUaL4fdxsXNl/j8GSXoXF2of22AuUr2Scd0s1nC4FTUqvbJ+oK0J sZ4q5NYbHozd6DZRdLK7K4/pEt8BbDK3iGPwvtoqH4gTzrds0TJYQFc1KwXS2kY/3oE1 BD/A== X-Gm-Message-State: AOAM531lM6+4si3W7v/KVL4I7o8F9byufXkvhamSBcX8v6gziWZ76Jmi nbWhP4Om5MeajpU8iaguCMtVkL29bmwdrgOboFbeUNzzK3kUU59RRQKr63TsHzSFXp18lhFNWqf Z37Ml6QhspSXP/UwlcvWT/Mup65S79Xg+RuIvUfeu X-Received: by 2002:aa7:c046:: with SMTP id k6mr18187798edo.9.1643136048743; Tue, 25 Jan 2022 10:40:48 -0800 (PST) X-Google-Smtp-Source: ABdhPJxya5dJ1miI9SET/rdoVMG9M9jvYhFhoQdOs0j/ZIC5u8/OefiKgy0godTNlvTTkg6wialGZuuOBdiW278y2To= X-Received: by 2002:aa7:c046:: with SMTP id k6mr18187780edo.9.1643136048545; Tue, 25 Jan 2022 10:40:48 -0800 (PST) MIME-Version: 1.0 References: <20211029201402.428284-1-wander@redhat.com> <8e57400f-d6a8-bd42-6214-fca1fe37a972@kernel.org> <11ec4350-b890-4949-cf8f-bc62d530d64f@nvidia.com> In-Reply-To: From: Wander Costa Date: Tue, 25 Jan 2022 15:40:36 -0300 Message-ID: Subject: Re: [PATCH] tty: serial: Use fifo in 8250 console driver To: Andy Shevchenko Cc: Jon Hunter , Jiri Slaby , Wander Lairson Costa , Greg Kroah-Hartman , "Maciej W. Rozycki" , Johan Hovold , Andrew Jeffery , "open list:SERIAL DRIVERS" , open list , "linux-tegra@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jan 25, 2022 at 1:56 PM Andy Shevchenko wrote: > > On Tue, Jan 25, 2022 at 06:53:48PM +0200, Andy Shevchenko wrote: > > On Tue, Jan 25, 2022 at 12:40:27PM +0000, Jon Hunter wrote: > > > On 25/01/2022 10:29, Wander Costa wrote: > > ... > > > > Andy, does this work for X86? > > > > Reported-by: Andy Shevchenko > > > > No, it does NOT fix an issue (I see it on a handful x86) with the legacy UART > > (means the 8250_pnp is in use). And I believe the same will be the case on LPSS > > ones (8250_dw / 8250_lpss) and HSU (8250_mid), because the patch influences on > > all of them. > > Shall I send a revert and we can continue with a new approach later on? > Tomorrow (or maybe after tomorrow) I am going to post the fixes I already have, and an additional patch adding a build option (disabled to default) so people maybe if they want to use the FIFO on console write. But I understand if people decide to go ahead and revert the patch. > -- > With Best Regards, > Andy Shevchenko > >