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 C643CC4332F for ; Tue, 25 Jan 2022 17:06:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234303AbiAYRGj (ORCPT ); Tue, 25 Jan 2022 12:06:39 -0500 Received: from mga03.intel.com ([134.134.136.65]:59570 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1378875AbiAYREP (ORCPT ); Tue, 25 Jan 2022 12:04:15 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643130249; x=1674666249; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=KpDD4g/UZj5CDYk2YeNUV3YRD3WdVoUJ9s2/Tnjqb5g=; b=PIGpxCpZhS1Ci2G0zjSMuO8M5WM2ECo9yVq67nU1+0uET5SxuL/jstEs AsmhN3z+z5I0fS3rpgtpCi/uEH6EclL3TKmLCSP+wMdaVzfrUxzeMZ4xn +NOPf/E0qdoKcmkS65ghNLre9c2yuPSgQmomSk/t670CsBRH4xziEj4M1 j91px8jFrDl7pvBqF8FFFdDXU7ce81A4JFS/Hrdhm4SPaMibldy3aScu1 8KXiGO4Ese2c9O++qud6uEosHW5xrs9ROJmVeGqtABOPyEsIg6tMBThxe 60x5KbdifAqCKkyWEe0Zz9JW5JHP4j79TF9eiaBKB9NiNvSpkfaXdcYZx Q==; X-IronPort-AV: E=McAfee;i="6200,9189,10237"; a="246294693" X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="246294693" Received: from orsmga007.jf.intel.com ([10.7.209.58]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 08:55:58 -0800 X-IronPort-AV: E=Sophos;i="5.88,315,1635231600"; d="scan'208";a="520451335" Received: from smile.fi.intel.com ([10.237.72.61]) by orsmga007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jan 2022 08:55:55 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.95) (envelope-from ) id 1nCP5l-00EJr6-F0; Tue, 25 Jan 2022 18:54:49 +0200 Date: Tue, 25 Jan 2022 18:54:49 +0200 From: Andy Shevchenko To: Jon Hunter Cc: Wander Costa , 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" Subject: Re: [PATCH] tty: serial: Use fifo in 8250 console driver Message-ID: References: <20211029201402.428284-1-wander@redhat.com> <8e57400f-d6a8-bd42-6214-fca1fe37a972@kernel.org> <11ec4350-b890-4949-cf8f-bc62d530d64f@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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? -- With Best Regards, Andy Shevchenko