Received: by 10.223.185.116 with SMTP id b49csp6433786wrg;
        Thu, 8 Mar 2018 07:23:17 -0800 (PST)
X-Google-Smtp-Source: AG47ELuEJjuugf6EvbB6KlzqRxvSuOqVObbpTQg9zbIZoTzlYtdrska3IxnRmrC/3j0Hw386FTa6
X-Received: by 10.99.172.66 with SMTP id z2mr20866081pgn.273.1520522597281;
        Thu, 08 Mar 2018 07:23:17 -0800 (PST)
ARC-Seal: i=1; a=rsa-sha256; t=1520522597; cv=none;
        d=google.com; s=arc-20160816;
        b=00yimp17vBmbjheS/hJEKtGhFK04CfFWsilBWls1YzC3tgv918GDRbmhHZHr5pIDDf
         u/DJoR9rQW0/KvCtwGU3/hMRzP8yx/MDiHpCPIu35C/6vy49P/5gOg9RB0N/3I6bCRkX
         k2Z//D4mOLmKKL/wrqeKU3BendfCHCF6aOTwrZasDxbPNWKmzixtm2fTRIaQ5YZ5Vm/U
         dD7klddqY+5W/SEgOK881GzTpccUwYV5SQWMGLju88/N2JMUi9npfDCb5W5oYLZvH5aV
         R7pqRPuTvccPVYYxCuRcnWI757JXK8Pc6MlmYVX0ADTSIXShyDtf2M3k1b6WQ6UDxq5F
         LqkQ==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816;
        h=list-id:precedence:sender:content-transfer-encoding:in-reply-to
         :mime-version:user-agent:date:message-id:from:cc:references:to
         :subject:arc-authentication-results;
        bh=TOYZQbpbpm90bwZebuaEa+rkvwJqMj+46WtBNIRBrAY=;
        b=a2AJaGuSkCKq2TZefWn1CrP/v9k759l9XryX0x3M38z00kmlgldy7eQ/eb0z7X1/Pd
         H0Wge1Efbxi0mwNcZGzpu14G4vwALZH9fS+8AoMnFLH7Oz/TLSsgKQovisj+xYD42nu7
         IWZ8WnkWoW6pDcY7S9FiE/NNxENdBzpKUfZ/3IfOjVt0oYMY1kOrumpal3cExYKsA87s
         3i6Tj5wE8QCO8TAk2lXESpnP2TXuY87GLafjYShYndnUcinAulp5UQ9dFn1N8g897pqm
         xZe4QvMjz8bJMI3LDHGriY0NsJx8fZqQA3a/yhXBO9iIk+iKc0Zg0rc4557laM03KSvJ
         NGaw==
ARC-Authentication-Results: i=1; mx.google.com;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67])
        by mx.google.com with ESMTP id l18si13011141pgn.103.2018.03.08.07.23.01;
        Thu, 08 Mar 2018 07:23:17 -0800 (PST)
Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Authentication-Results: mx.google.com;
       spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org;
       dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=nvidia.com
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1756020AbeCHPVZ (ORCPT <rfc822;ereslibre@gmail.com> + 99 others);
        Thu, 8 Mar 2018 10:21:25 -0500
Received: from hqemgate15.nvidia.com ([216.228.121.64]:13369 "EHLO
        hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1755897AbeCHPVV (ORCPT
        <rfc822;linux-kernel@vger.kernel.org>);
        Thu, 8 Mar 2018 10:21:21 -0500
Received: from hqpgpgate101.nvidia.com (Not Verified[216.228.121.13]) by hqemgate15.nvidia.com
        id <B5aa154f80000>; Thu, 08 Mar 2018 07:21:28 -0800
Received: from HQMAIL107.nvidia.com ([172.20.161.6])
  by hqpgpgate101.nvidia.com (PGP Universal service);
  Thu, 08 Mar 2018 07:21:21 -0800
X-PGP-Universal: processed;
        by hqpgpgate101.nvidia.com on Thu, 08 Mar 2018 07:21:21 -0800
Received: from BGMAIL102.nvidia.com (10.25.59.11) by HQMAIL107.nvidia.com
 (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 8 Mar
 2018 15:21:20 +0000
Received: from [10.19.64.176] (10.19.64.176) by bgmail102.nvidia.com
 (10.25.59.11) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Thu, 8 Mar
 2018 15:21:10 +0000
Subject: Re: [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM
 based tachometer
To:     Guenter Roeck <linux@roeck-us.net>,
        Rajkumar Rampelli <rrajk@nvidia.com>,
        Mikko Perttunen <cyndis@kapsi.fi>, <robh+dt@kernel.org>,
        <mark.rutland@arm.com>, <thierry.reding@gmail.com>,
        <jonathanh@nvidia.com>, <jdelvare@suse.com>, <corbet@lwn.net>,
        <catalin.marinas@arm.com>, <will.deacon@arm.com>,
        <kstewart@linuxfoundation.org>, <gregkh@linuxfoundation.org>,
        <pombredanne@nexb.com>, <mmaddireddy@nvidia.com>,
        <mperttunen@nvidia.com>, <arnd@arndb.de>, <timur@codeaurora.org>,
        <andy.gross@linaro.org>, <xuwei5@hisilicon.com>,
        <elder@linaro.org>, <heiko@sntech.de>, <krzk@kernel.org>,
        <ard.biesheuvel@linaro.org>
References: <1519196339-9377-1-git-send-email-rrajk@nvidia.com>
 <1519196339-9377-6-git-send-email-rrajk@nvidia.com>
 <5172edff-fe29-7ed1-f0d2-b0359ea2c24d@roeck-us.net>
 <2510b525-ec36-b49d-5a62-81f335c0d10d@nvidia.com>
 <cfe0d0ce-3a89-bad0-85ba-6edf1135d2dc@roeck-us.net>
 <2628eff2-dd33-34f4-a7e1-cfe46ef88a3f@nvidia.com>
 <4556a8d2-947d-72c4-2962-3167afb53978@kapsi.fi>
 <62ba7f67-5a99-51ab-1214-eb68ebb7e642@roeck-us.net>
 <952cb50e-d9a0-ae5e-d9f6-d1ce268f0384@nvidia.com>
 <f7818e4c-17b6-c58b-3424-85749bb9c1cc@roeck-us.net>
 <5bffef40-a4a7-5f7d-a448-b2a381c57822@nvidia.com>
 <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
CC:     <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
        <linux-pwm@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
        <linux-hwmon@vger.kernel.org>, <linux-doc@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>
From:   Laxman Dewangan <ldewangan@nvidia.com>
Message-ID: <4d00a31b-44cc-d3dc-78a2-1b7f23d777e0@nvidia.com>
Date:   Thu, 8 Mar 2018 20:51:07 +0530
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
 Thunderbird/45.8.0
MIME-Version: 1.0
In-Reply-To: <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
X-Originating-IP: [10.19.64.176]
X-ClientProxiedBy: DRBGMAIL102.nvidia.com (10.18.16.21) To
 bgmail102.nvidia.com (10.25.59.11)
Content-Type: text/plain; charset="utf-8"; format=flowed
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org



On Thursday 08 March 2018 08:01 PM, Guenter Roeck wrote:
> On 03/07/2018 10:06 PM, Laxman Dewangan wrote:
>>
>>
>> The RPM is measured speed via PWM signal capture  which is output 
>> from fan.
>> So should we have the fan[1..n]_output_rpm?
>>
>
> No. I hear you clearly that you for some reason dislike fan[1..n]_input.
> While ABIs are not always to our liking, that doesn't mean that we get
> to change them at our whim. If that is not acceptable for you, I can't
> help you. And you can't change inX_input to inX_voltage either, sorry.

My opinion is only to not use "input" as this is not really the input to 
fan.