Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752192AbbECK7H (ORCPT ); Sun, 3 May 2015 06:59:07 -0400 Received: from mail-wg0-f52.google.com ([74.125.82.52]:35814 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278AbbECK67 (ORCPT ); Sun, 3 May 2015 06:58:59 -0400 Message-ID: <5545FF6D.9040205@gmail.com> Date: Sun, 03 May 2015 12:58:53 +0200 From: Sebastian Hesselbarth User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0 To: Andrew , Gregory CLEMENT CC: Andrew Lunn , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Linus Walleij , Wolfram Sang , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Jason Cooper Subject: Re: Fwd: Re: [PATCH 2/2] ARM: mvebu: dts: Add dts file for DLink DNS-327L References: <552A6209.9040903@gmail.com> <20150412145857.GA14038@lunn.ch> <20150412194735.GA27921@lunn.ch> <552BCFAA.2020109@free-electrons.com> <1ec8906f00468ca5a9fa227f8c83fe69@mail.ncrmnt.org> <55351569.7000307@free-electrons.com> <55351898.60604@free-electrons.com> <4e7e91562aac6a260885bf2d12174060@mail.ncrmnt.org> In-Reply-To: <4e7e91562aac6a260885bf2d12174060@mail.ncrmnt.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1243 Lines: 38 On 03.05.2015 12:18, Andrew wrote: [...] > Sorry for the long delay with testing, but here come the results. > I've rebased everything to 4.1-rc1 > > 1. WFI + DeepIdle => freeze after approx: > * 1 hours and 30 minutes, first test > * 3 hours and 40 minutes, second test > 2. WFI only (DeepIdle disabled via sysfs) => Still alive after 13 hours > and counting > > The proper patchset will follow as soon as I figure out what change broke > dns320l-daemon (The utility that speaks to weltrend mcu on ttyS1) > It was working on 3.18.6, on 3.19 and up - it writes data to the port > (and mcu acks it), > but can't read any responses. > > Same thing happens to the python (pyserial inside) implementation of the > fan-daemon: > https://github.com/martignlo/DNS-320L Andrew, did you realize that you request a non-standard UART baudrate in your python code above: port = serial.Serial("/dev/ttyS1", 115600, 8, "N", 1, 0.1) s/115600/115200/ Does that fix your communication issues? Sebastian -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/