linux-kernel - Re: [PATCH] ASoC: dwc: disallow building designware

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Message-ID: <1492618461.28092.18.camel@v3.sk>
Date:   Wed, 19 Apr 2017 18:14:21 +0200
From:   Lubomir Rintel <lkundrak@...sk>
To:     Jose Abreu <Jose.Abreu@...opsys.com>,
        Mark Brown <broonie@...nel.org>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] ASoC: dwc: disallow building designware_pcm as a module

On Wed, 2017-04-19 at 17:12 +0100, Jose Abreu wrote:
> Hi Lubomir,
> 
> 
> On 18-04-2017 18:15, Mark Brown wrote:
> > On Tue, Apr 18, 2017 at 06:13:30PM +0200, Lubomir Rintel wrote:
> > 
> > > I don't think designware_pcm is a separate driver. It looks
> > > tightly
> > > coupled with designware_i2s: you can either disable
> > > designware_pcm
> > > altogether at build time or always load it together with
> > > designware_i2s.
> > 
> > Yes, they're closely coupled but we might still want them both as a
> > module.
> 
> Thanks for the patch but I agree with Mark.
> 
> For the record you can add "MODULE_LICENSE(“Dual MIT/GPL”)".

Sorry if I'm missing something; but I still fail to understand why is
that a good idea.

What is the point of having a pair of modules that depend on each other
and can only be loaded together?

> Best regards,
> Jose Miguel Abreu

Lubo