linux-kernel - Re: [PATCH V1 Resend 2/3] cpufreq: dt: Add generic platform-device creation support

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Message-ID: <20160329163649.GE14322@vireshk-i7>
Date:	Tue, 29 Mar 2016 22:06:49 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linaro-kernel@...ts.linaro.org, k.kozlowski@...sung.com,
	kgene.kim@...sung.com, heiko@...ech.de, xf@...k-chips.com,
	linux-pm@...r.kernel.org, Rafael Wysocki <rjw@...ysocki.net>,
	linux-kernel@...r.kernel.org, mmcclint@...eaurora.org
Subject: Re: [PATCH V1 Resend 2/3] cpufreq: dt: Add generic platform-device
 creation support

On 29-03-16, 17:14, Arnd Bergmann wrote:
> On Tuesday 29 March 2016 12:09:48 Viresh Kumar wrote:
> > +config CPUFREQ_DT_PLATDEV
> > +	bool
> > +	depends on CPUFREQ_DT
> 
> The 'depends on' line is redundant as you always 'select' the code
> from CPUFREQ_DT. Since they are always set together, you can also
> just drop the new symbol, or put the new code into the same file.

I would like to keep a separate file for this, it looks awkward to update the
driver for any new user platform.

I added a separate symbol to take care of the Modular case of cpufreq-dt. i.e. I
didn't wanted to add module_exit() code in the new file. Currently, it gets
included in the kernel even if cpufreq-dt is selected as a Module, so we just
create the platform-device just once and never touch it again.

-- 
viresh