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From: viresh.kumar@linaro.org (Viresh Kumar)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 1/4] cpufreq: pxa: use generic platdev driver for device-tree
Date: Thu, 20 Oct 2016 09:04:35 +0530	[thread overview]
Message-ID: <20161020033435.GD11766@vireshk-i7> (raw)
In-Reply-To: <87bmyg3xzh.fsf@belgarion.home>

On 19-10-16, 22:06, Robert Jarzmik wrote:
> Viresh Kumar <viresh.kumar@linaro.org> writes:
> 
> >> >> +	{ .compatible = "marvell,pxa250", },
> >> >> +	{ .compatible = "marvell,pxa270", },
> >> >>  
> >> >>  	{ .compatible = "samsung,exynos3250", },
> >> >>  	{ .compatible = "samsung,exynos4210", },
> >> >
> >> > Isn't there a race between cpufreq-dt and the platform driver to
> >> > register first ?
> >> Ah, could you be more specific about the race you're talking of ?
> >> 
> >> My understanding was that cpufreq-dt-platdev does create the device, and
> >> cpufreq-dt is a driver for it, so there is no race but a direct relationship
> >> AFAIU.
> >
> > I mean that both the driver may try to register to the cpufreq core if
> > they are both compiled in a single image.
> Euh I still don't follow you. The only driver that can register to the cpufreq
> core is cpufreq-dt.

I was wondering on what will happen if both cpufreq-dt and your pxa2xx-cpufreq
driver are present in the same kernel image. In that case the init routines of
both of them will try to call cpufreq_register_driver().

-- 
viresh

  reply	other threads:[~2016-10-20  3:34 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-15 19:57 [PATCH v2 0/4] PXA cpufreq conversion to clock API Robert Jarzmik
2016-10-15 19:57 ` [PATCH v2 1/4] cpufreq: pxa: use generic platdev driver for device-tree Robert Jarzmik
2016-10-18 11:38   ` Viresh Kumar
2016-10-18 15:35     ` Robert Jarzmik
2016-10-19 13:52       ` Viresh Kumar
2016-10-19 20:06         ` Robert Jarzmik
2016-10-20  3:34           ` Viresh Kumar [this message]
2016-10-21 15:17             ` Robert Jarzmik
2016-10-15 19:57 ` [PATCH v2 2/4] ARM: dts: pxa: add pxa25x cpu operating points Robert Jarzmik
2016-10-18 11:39   ` Viresh Kumar
2016-10-18 15:30     ` Robert Jarzmik
2016-10-19 13:51       ` Viresh Kumar
2016-10-15 19:57 ` [PATCH v2 3/4] ARM: dts: pxa: add pxa27x " Robert Jarzmik
2016-10-15 19:57 ` [PATCH v2 4/4] cpufreq: pxa: convert to clock API Robert Jarzmik
2016-10-18 11:40   ` Viresh Kumar
2016-10-22 21:37     ` Robert Jarzmik
2016-10-24  3:33       ` Viresh Kumar
2016-10-15 20:34 ` [PATCH v2 0/4] PXA cpufreq conversion " Russell King - ARM Linux
2016-10-15 21:17   ` Robert Jarzmik
2016-10-15 21:38   ` WARNING: SOMEONE RECEIVING THIS HAS BEEN HACKED (was: Re: [PATCH v2 0/4] PXA cpufreq conversion to clock API) Russell King - ARM Linux

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