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From: Robert Jarzmik <robert.jarzmik@free.fr>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/3] clocksource: add device-tree support for PXA timer
Date: Fri, 04 Jul 2014 21:46:30 +0200	[thread overview]
Message-ID: <874mywoqjt.fsf@free.fr> (raw)
In-Reply-To: <53B6471D.3010001@linaro.org> (Daniel Lezcano's message of "Fri, 04 Jul 2014 08:18:05 +0200")

Daniel Lezcano <daniel.lezcano@linaro.org> writes:

>> Good question.
>>
>> Maybe not, I followed the same rationale as in orion-timer, which is :
>>   - as this timer is the only possible timer for PXA boards, and because without
>>   it the kernel boot will stall (scheduling will be blocked), it's better to
>>   panic early that to remain stalled.
>
> There isn't the arm global timer ?
Nope, it's for Cortex-A9 AFAIK, and my poor platform is an old ARMv5 SoC.

>
>> Isn't this a good approach ?
>
> I suppose we can live with that. IMO, the right fix would be in clksrc-of to
> pr_crit a message when an initialization fails. But that means to change all the
> init functions for all drivers which is out of the scope of this patchset.
OK, you convinced me. I'll trade the panic() for a pr_crit(). Good idea, maybe
it will trigger a quest of a white knight for the other drivers :)

Cheers.

-- 
Robert

  reply	other threads:[~2014-07-04 19:46 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-21 22:09 [PATCH 1/3] clocksource: move PXA timer to clocksource framework Robert Jarzmik
2014-06-21 22:09 ` [PATCH 2/3] clocksource: add device-tree support for PXA timer Robert Jarzmik
2014-07-03 12:05   ` Daniel Lezcano
2014-07-03 17:31     ` Robert Jarzmik
2014-07-03 17:39       ` Robert Jarzmik
2014-07-04  6:18       ` Daniel Lezcano
2014-07-04 19:46         ` Robert Jarzmik [this message]
2014-06-21 22:09 ` [PATCH 3/3] ARM: add CLKSRC_OF dependency for PXA Robert Jarzmik
2014-06-29 14:15 ` [PATCH 1/3] clocksource: move PXA timer to clocksource framework Robert Jarzmik
2014-07-03  4:37 ` Haojian Zhuang

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