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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4CE4ECDFB8 for ; Wed, 18 Jul 2018 17:40:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 761FF20854 for ; Wed, 18 Jul 2018 17:40:15 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=micronovasrl.com header.i=@micronovasrl.com header.b="CA5NrO6l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 761FF20854 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=micronovasrl.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731565AbeGRSTK (ORCPT ); Wed, 18 Jul 2018 14:19:10 -0400 Received: from mail.micronovasrl.com ([212.103.203.10]:49522 "EHLO mail.micronovasrl.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731221AbeGRSTJ (ORCPT ); Wed, 18 Jul 2018 14:19:09 -0400 Received: from mail.micronovasrl.com (mail.micronovasrl.com [127.0.0.1]) by mail.micronovasrl.com (Postfix) with ESMTP id 895DEB00779 for ; Wed, 18 Jul 2018 19:40:11 +0200 (CEST) Authentication-Results: mail.micronovasrl.com (amavisd-new); dkim=pass reason="pass (just generated, assumed good)" header.d=micronovasrl.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=micronovasrl.com; h=content-transfer-encoding:content-language:content-type :content-type:in-reply-to:mime-version:user-agent:date:date :message-id:from:from:references:to:subject:subject; s=dkim; t= 1531935609; x=1532799610; bh=KwyYDZr44adwRiv3y37Tq+Chv1faQwsOYBg 6X7aHRNo=; b=CA5NrO6lj25n3G6VPDbg8IieW8pNFQofzTlytOLpCBpqstn9wkK 0KY0rcj39iusfkrsocaoxX4DHWj4h+zomXtq4YUxVcRBYa4jxUq2BMhY/LGEVPKJ 5mzYTQbRZ0uBI0VB9WVvr9HRDgmZFz2di/QBrbcXqvf60cojDpngEjs8= X-Virus-Scanned: Debian amavisd-new at mail.micronovasrl.com Received: from mail.micronovasrl.com ([127.0.0.1]) by mail.micronovasrl.com (mail.micronovasrl.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id YKm_jHAGUIW0 for ; Wed, 18 Jul 2018 19:40:09 +0200 (CEST) Received: from [192.168.2.133] (62-11-51-166.dialup.tiscali.it [62.11.51.166]) by mail.micronovasrl.com (Postfix) with ESMTPSA id 00E3BB002CD; Wed, 18 Jul 2018 19:40:08 +0200 (CEST) Subject: Re: [PATCH v10 4/4] rtc: ds1307: add frequency_test_enable sysfs attribute to check tick on m41txx To: Andy Shevchenko Cc: Alexandre Belloni , Alessandro Zummo , "open list:REAL TIME CLOCK (RTC) SUBSYSTEM" , open list References: <20180718140946.115093-1-giulio.benetti@micronovasrl.com> <20180718140946.115093-3-giulio.benetti@micronovasrl.com> From: Giulio Benetti Message-ID: <2a249756-3b3b-2a3e-f293-3a13d586e9ad@micronovasrl.com> Date: Wed, 18 Jul 2018 19:40:07 +0200 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: it Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Il 18/07/2018 18:26, Andy Shevchenko ha scritto: > On Wed, Jul 18, 2018 at 5:09 PM, Giulio Benetti > wrote: >> On m41txx you can enable open-drain OUT pin to check if offset is ok. >> Enabling OUT pin with frequency_test_enable attribute, OUT pin will tick >> 512 times faster than 1s tick base. >> >> Enable or Disable FT bit on CONTROL register if freq_test is 1 or 0. > > Taking into consideration the amount of patches per hour you need to > slow down a bit. > You're right, I'm really sorry about it. Giulio