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Re: [PATCH v2] MIPS: GIC: Select R4K counter as fallback.

To: John Crispin <john@phrozen.org>
Subject: Re: [PATCH v2] MIPS: GIC: Select R4K counter as fallback.
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Thu, 12 Sep 2013 09:38:46 +0200
Cc: "Steven J. Hill" <Steven.Hill@imgtec.com>, linux-mips@linux-mips.org, Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>, ralf@linux-mips.org
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On 09/12/2013 09:33 AM, John Crispin wrote:
> On 12/09/13 09:28, Lars-Peter Clausen wrote:
>> On 09/11/2013 09:51 PM, Steven J. Hill wrote:
>>> From: Leonid Yegoshin<Leonid.Yegoshin@imgtec.com>
>>>
>>> If CONFIG_CSRC_GIC is selected and the GIC is not found during
>>> boot, then fallback to the R4K counter gracefully.
>>
>> Is there any reason not to always register the r4k clocksource, no matter
>> whether the gic clocksource is present or not? The timekeeping core of the
>> kernel will make sure to use the best available clocksource based on the
>> clocksource's rating.
>>
>> - Lars
> 
> Hi,
> 
> in theory yes, but the r4k csrc is coded in a way that it always assumes to
> always be present and always be running.
> 

And it is not present when the GIC clocksource is present?


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