From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=192.198.163.11 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794307567; b=DBEvkXXZYIREPDopw5Tn3Hk73iOVfDIzELhV1fvjvIFQLMJ6CM/Eezz+TFglNVB1hwpT DRDF2qNnyrFSt6osZEEboGD7Tni0O5bGC7XV8LQKHx9zoTwVXuXIMqYe3/KvJDdaNsde0 I7PbZck2wd2Fts7J9uSjtIuO0oiM8+NLMjfCcx7rUHo0hDzwPstviw9esXaSXvZuh0X9R qI0VQ231mKnSgohRU/zLFDOgMyWUg5cxoIPSISc+1rd1xpaBmETHM8MdfXZ5w/dgRj5S+ eroOaMo1li5v6KR5YC6crPyWJKPyXxP0GwKxuBj7XnB4Uy2n71IbMxZ0K3Gv2EydXJw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794307567; h=DMARC-Filter:DKIM-Signature:X-CSE-ConnectionGUID:X-CSE-MsgGUID: X-IronPort-AV:X-IronPort-AV:Received:X-CSE-ConnectionGUID: X-CSE-MsgGUID:X-ExtLoop1:X-IronPort-AV:Received:Date:From:To:Cc: Subject:Message-ID:References:MIME-Version:Content-Type: Content-Disposition:Content-Transfer-Encoding:In-Reply-To: Organization; bh=tNxEQju2LcZIyxz7a4fO9kHpfCTH3NncFJlSbex+Jnw=; b=MdJJTuVMS50tMeqNw1678XbW/xV+S2EADx6moIOfeVIMLn9vpg+CWNe47OVWOgooyMXT +z9cXVBppBWRHmdAUQ4s3+8oSqVsa9Q846yjPnZ3t40skdG3nQo7gEMAV/AvbdN4C+x9N dx+sjDtUL5sIKHbKJvi18CL5HmoO85HIzUnTbQShaUUelmcCDkDC/9wztuFns1Zz8va3y yWe8agbfq5R3N7QtCKl2BtLsjMAzM8CV2TfU/kka7+RQIbaIcks7L3530dLZpW7WLd6i1 Fmvto6cw2NTdst6ymtODcQShYVg6LeIQNXirps022DEjw/FZ/aJ+HS1ALCvKgeJraUA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=da8bzCYn; arc=none smtp.remote-ip=192.198.163.11 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.11]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 33BB7606A325; Tue, 10 Nov 2026 10:46:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 33BB7606A325 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=da8bzCYn DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1794307566; x=1825843566; h=date:from:to:cc:subject:message-id:references: mime-version:content-transfer-encoding:in-reply-to; bh=FOTnvyPMVWU/3v7yqUSpO+cSeARwquhqeXdYqmJpiGA=; b=da8bzCYnQIz6Qyuf7wd59MtewXMLLfWGS/7//AL/gt0Inm1QLhZqwI1t SALS5dpVGQteV2br+dB/Oeerat7tLvXL1mpLUQ8RIElMXqJxr7naVlD8B LAzr1nA/TNY885XHbfQqlVn7D7pxhBE/tUIQq8w+65Q7BNvKNO7NqeWzK F+iOKsJ1+BX0ahJ/rs5o+j4vL86dh/n8eSjPlsYM1dkcj6F47Shefe7OG ChFm5qrAOl66jnrWM6jKWsEl2hDoadflUJtoURNJjwqhhqfv3FXm1KDsx Jz71llANFLlTYRzUXeQ4Fhpgj2qz8dAst/keMveL6wPewCndMrHUpLUHc A==; X-CSE-ConnectionGUID: 7BG+rXpMQjW5J2BQsgIrnA== X-CSE-MsgGUID: bNvcvMKoQYmVgKJrfq47/A== X-IronPort-AV: E=McAfee;i="6800,10657,11961"; a="2967249" X-IronPort-AV: E=Sophos;i="6.27,205,1787036400"; d="scan'208";a="2967249" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2026 02:46:05 -0800 X-CSE-ConnectionGUID: 7AaCaPv6Rdqyr1iheOqhVw== X-CSE-MsgGUID: BWqKdvW+TAuUWnqaGHQ7CA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,205,1787036400"; d="scan'208";a="8419291" Received: from kniemiec-mobl1.ger.corp.intel.com (HELO localhost) ([10.245.244.244]) by smtpauth.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Nov 2026 02:46:02 -0800 Date: Tue, 10 Nov 2026 12:45:59 +0200 From: Andy Shevchenko To: =?utf-8?B?S3J5xaF0b2YgxIxlcm7DvQ==?= Cc: James Hilliard , Ilpo =?iso-8859-1?Q?J=E4rvinen?= , Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, Krzysztof Kozlowski Subject: Re: [PATCH v8 00/11] serial: 8250_dw: share RX trigger setup and describe Allwinner UARTs Message-ID: References: <20261105-submit-h616-uart-fifo-v1-v8-0-14024d2b184b@gmail.com> <873c22a2-fd3f-4927-a06f-16a73c30de86@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <873c22a2-fd3f-4927-a06f-16a73c30de86@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo On Tue, Nov 10, 2026 at 10:54:40AM +0100, Kryštof Černý wrote: > > Based on tty-next at 6628e7d4c6b2 with the posted RX trigger callback-lifetime > > fix [0] and DW BUSY-safe divisor fix v4 [1]. Platform setup runs before > > installing the BUSY-safe divisor setter. > > > > [0] https://lore.kernel.org/r/20261024-submit-serial-8250-rxtrig-lifetime-v1-v1-1-731b78d5003d@gmail.com > > [1] https://lore.kernel.org/r/20261027-submit-serial-8250-dw-divisor-v1-v4-1-41714a75e15a@gmail.com > Hello, > thanks for the work, I wanted to upstream my changes [0], but got redirected > here instead. This fixes the issues I have had in a better way. > I have tested the whole series, so I reply to the cover letter, didn't make > sense to me to reply to all messages with tested by, but I am not sure if > that is the right way. You are doing fine, thanks! > Tested on Unipi G110 controllers (Rockchip RK3328, CPR-described > 64-byte FIFOs, ttyS1 and ttyS2) on top of tty-next 6628e7d4c6b2 with > the two prerequisites. rx_trig_bytes now reports 32 instead of 8 by > default, and 1/16/32/62 select the matching hardware levels, checked by > chunk sizes in internal loopback and over a real RS-485 bus between the > two ports at 9600 and 115200 baud. Changing the level mid-transfer > kept all data, and the level survives termios changes and is kept when > set while the port is closed. > > Tested-by: Kryštof Černý # RK3328 > > [0] https://lore.kernel.org/all/20261109-8250-select-u6-64bit-v1-0-04bc8332fa34@gmail.com/ -- With Best Regards, Andy Shevchenko