linux-kernel - Re: [PATCH 10/11] clocksource: flexcard: Add basic timestamp counter support

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Message-ID: <55154CCD.9070402@linutronix.de>
Date:	Fri, 27 Mar 2015 13:27:57 +0100
From:	Holger Dengler <dengler@...utronix.de>
To:	John Stultz <john.stultz@...aro.org>
CC:	Daniel Lezcano <daniel.lezcano@...aro.org>,
	lkml <linux-kernel@...r.kernel.org>,
	Peter Mahler <mahler@...ug.com>,
	Juergen Bubeck <bubeck@...ug.com>,
	Benedikt Spranger <b.spranger@...utronix.de>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 10/11] clocksource: flexcard: Add basic timestamp counter
 support

Hi John,

On 03/26/2015 05:34 PM, John Stultz wrote:
> On Thu, Mar 26, 2015 at 4:01 AM, Holger Dengler <dengler@...utronix.de> wrote:
>> On 03/26/2015 10:41 AM, Daniel Lezcano wrote:
>>>
>>> config CLKSRC_FLEXCARD
>>>     bool
>>>     select CLKSRC_MMIO
>>
>> The Flexcard PMC II, which provides this clocksrc functionality, is a
>> PCI card. According to the PMC specs, this card-type is hot-plugable. So
>> this clocksrc is not SoC-related, it's also hot-plugable.
>> Therefore a module-capable driver seems a good solution for me.
>>
>>>
>>> and then the Kconfig for MFD_FLEXCARD selects CLKSRC_FLEXCARD.
>>>
>>
>> Ok, this could be an option to enable the clocksrc feature by default,
>> if MFD_FLEXCARD is selected.
> 
> Yea, I think this would be preferred. If the user already selects
> something to get device functionality, lets not make them search
> around in other menus to find another config option to enable all the
> capabilities.

We integrated the "MFD_FLEXCARD selects CLKSRC_FLEXCARD". If we get some
responces as well for the other parts of this patchset, we'll resend it
with the modifications.

> 
> thanks
> -john
> 

Kind regards,
Holger Dengler
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