From: Laxman Dewangan <ldewangan@nvidia.com>
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>
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>
Subject: Re: [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer
Date: Thu, 8 Mar 2018 20:51:07 +0530 [thread overview]
Message-ID: <4d00a31b-44cc-d3dc-78a2-1b7f23d777e0@nvidia.com> (raw)
In-Reply-To: <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
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.
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WARNING: multiple messages have this Message-ID (diff)
From: Laxman Dewangan <ldewangan@nvidia.com>
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>
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>
Subject: Re: [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer
Date: Thu, 8 Mar 2018 20:51:07 +0530 [thread overview]
Message-ID: <4d00a31b-44cc-d3dc-78a2-1b7f23d777e0@nvidia.com> (raw)
In-Reply-To: <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
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.
WARNING: multiple messages have this Message-ID (diff)
From: Laxman Dewangan <ldewangan@nvidia.com>
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
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
Subject: Re: [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer
Date: Thu, 8 Mar 2018 20:51:07 +0530 [thread overview]
Message-ID: <4d00a31b-44cc-d3dc-78a2-1b7f23d777e0@nvidia.com> (raw)
In-Reply-To: <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
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.
WARNING: multiple messages have this Message-ID (diff)
From: ldewangan@nvidia.com (Laxman Dewangan)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer
Date: Thu, 8 Mar 2018 20:51:07 +0530 [thread overview]
Message-ID: <4d00a31b-44cc-d3dc-78a2-1b7f23d777e0@nvidia.com> (raw)
In-Reply-To: <d4e745a6-5534-662e-f6d5-a91bf580f550@roeck-us.net>
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.
next prev parent reply other threads:[~2018-03-08 15:21 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-21 6:58 [PATCH 00/10] Implementation of Tegra Tachometer driver Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 01/10] pwm: core: Add support for PWM HW driver with pwm capture only Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 02/10] dt-bindings: Tegra186 tachometer device tree bindings Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 03/10] pwm: tegra: Add PWM based Tachometer driver Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 04/10] hwmon: generic-pwm-tachometer: Add DT binding details Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 05/10] hwmon: generic-pwm-tachometer: Add generic PWM based tachometer Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 7:15 ` Mikko Perttunen
2018-02-21 7:15 ` Mikko Perttunen
2018-02-21 7:15 ` Mikko Perttunen
2018-02-21 14:46 ` Guenter Roeck
2018-02-21 14:46 ` Guenter Roeck
2018-02-21 14:46 ` Guenter Roeck
2018-02-21 15:20 ` Mikko Perttunen
2018-02-21 15:20 ` Mikko Perttunen
2018-02-21 15:20 ` Mikko Perttunen
2018-02-21 16:08 ` Guenter Roeck
2018-02-21 16:08 ` Guenter Roeck
2018-02-21 16:08 ` Guenter Roeck
2018-02-23 11:45 ` RAJKUMAR
2018-02-23 11:45 ` RAJKUMAR
2018-02-23 11:45 ` RAJKUMAR
2018-03-01 22:08 ` Rob Herring
2018-03-01 22:08 ` Rob Herring
2018-03-01 22:08 ` Rob Herring
2018-02-21 14:50 ` Guenter Roeck
2018-02-21 14:50 ` Guenter Roeck
2018-02-21 14:50 ` Guenter Roeck
2018-02-28 5:38 ` Rajkumar Rampelli
2018-02-28 5:38 ` Rajkumar Rampelli
2018-02-28 5:38 ` Rajkumar Rampelli
2018-02-28 5:58 ` Guenter Roeck
2018-02-28 5:58 ` Guenter Roeck
2018-02-28 6:07 ` Rajkumar Rampelli
2018-02-28 6:07 ` Rajkumar Rampelli
2018-02-28 6:12 ` Rajkumar Rampelli
2018-02-28 6:12 ` Rajkumar Rampelli
2018-02-28 6:12 ` Rajkumar Rampelli
2018-02-28 7:03 ` Mikko Perttunen
2018-02-28 7:03 ` Mikko Perttunen
2018-02-28 14:29 ` Guenter Roeck
2018-02-28 14:29 ` Guenter Roeck
2018-03-07 9:47 ` Rajkumar Rampelli
2018-03-07 9:47 ` Rajkumar Rampelli
2018-03-07 9:47 ` Rajkumar Rampelli
2018-03-07 9:47 ` Rajkumar Rampelli
2018-03-07 14:20 ` Guenter Roeck
2018-03-07 14:20 ` Guenter Roeck
2018-03-07 14:20 ` Guenter Roeck
2018-03-08 6:06 ` Laxman Dewangan
2018-03-08 6:06 ` Laxman Dewangan
2018-03-08 6:06 ` Laxman Dewangan
2018-03-08 6:06 ` Laxman Dewangan
2018-03-08 14:31 ` Guenter Roeck
2018-03-08 14:31 ` Guenter Roeck
2018-03-08 14:31 ` Guenter Roeck
2018-03-08 15:21 ` Laxman Dewangan [this message]
2018-03-08 15:21 ` Laxman Dewangan
2018-03-08 15:21 ` Laxman Dewangan
2018-03-08 15:21 ` Laxman Dewangan
2018-03-08 7:57 ` Mikko Perttunen
2018-03-08 7:57 ` Mikko Perttunen
2018-03-08 7:57 ` Mikko Perttunen
2018-03-08 7:57 ` Mikko Perttunen
2018-03-08 14:33 ` Guenter Roeck
2018-03-08 14:33 ` Guenter Roeck
2018-03-08 14:33 ` Guenter Roeck
2018-02-21 6:58 ` [PATCH 06/10] arm64: tegra: Add Tachometer Controller on Tegra186 Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 07/10] arm64: tegra: Add PWM based Tachometer support " Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 08/10] arm64: defconfig: enable Nvidia Tegra Tachometer as a module Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 09/10] arm64: defconfig: Enable Generic PWM based Tachometer driver Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` [PATCH 10/10] arm64: tegra: Add PWM controller on Tegra186 soc Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
2018-02-21 6:58 ` Rajkumar Rampelli
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