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 58CD4C433FE for ; Mon, 7 Nov 2022 11:33:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231831AbiKGLc7 (ORCPT ); Mon, 7 Nov 2022 06:32:59 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47578 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229778AbiKGLcz (ORCPT ); Mon, 7 Nov 2022 06:32:55 -0500 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9AF551A066; Mon, 7 Nov 2022 03:32:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1667820774; x=1699356774; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=odzs7zeOOpfUhcx0bV+2S53eN2Moo+JLWp6BFvbr59g=; b=OMwBPNugYqiIMnr6U8ZlxjCCVfrOsnNvcRWlS66cJUEvFmUGpM1bXtxU Ww21I9P3Tp44viTrko9XlG3xCdB2tArQKz9nkJQ1GC2nc6tbC02fs+J0J 6D5LT5VHVLzw6FD9PGsNIZPic6b3xETAjPgj36BBUc4GFPpe7jL61mCqy MAWhHjbrmcotiPPUNZZ6VTyoj++k/zCpN9V9S9/LkctaMZZgyVIvznzcJ Av1WWeYAe+N3GgWFsVbyQ12xCZjHjkZtoLUvQa9OiWx1c+EUY1QqhAYb9 23mzI3NZfIwSf/mRX1xik1WmFkLHrGAarczSLobfjoVs6l9Hz+VlyizUe g==; X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="290112012" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="290112012" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Nov 2022 03:32:48 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10523"; a="667141114" X-IronPort-AV: E=Sophos;i="5.96,143,1665471600"; d="scan'208";a="667141114" Received: from smile.fi.intel.com ([10.237.72.54]) by orsmga008.jf.intel.com with ESMTP; 07 Nov 2022 03:32:47 -0800 Received: from andy by smile.fi.intel.com with local (Exim 4.96) (envelope-from ) id 1os0Mv-008bqi-1f; Mon, 07 Nov 2022 13:32:45 +0200 Date: Mon, 7 Nov 2022 13:32:45 +0200 From: Andy Shevchenko To: Ilpo =?iso-8859-1?Q?J=E4rvinen?= Cc: Greg Kroah-Hartman , Jiri Slaby , linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/4] 8250: DMA Fixes Message-ID: References: <20221107110708.58223-1-ilpo.jarvinen@linux.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20221107110708.58223-1-ilpo.jarvinen@linux.intel.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 07, 2022 at 01:07:04PM +0200, Ilpo Järvinen wrote: > Here are a number of 8250 DMA related fixes. The last one seems the > most serious problem able to corrupt the payload ordering. > > Ilpo Järvinen (4): > serial: 8250: Fall back to non-DMA Rx if IIR_RDI occurs 8250_port? > serial: 8250_lpss: Configure DMA also w/o DMA filter > serial: 8250_lpss: Use 16B DMA burst with Elkhart Lake > serial: 8250: Flush DMA Rx on RLSI 8250_port? > > drivers/tty/serial/8250/8250_lpss.c | 18 +++++++++++++----- > drivers/tty/serial/8250/8250_port.c | 7 +++++-- > 2 files changed, 18 insertions(+), 7 deletions(-) -- With Best Regards, Andy Shevchenko