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

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Date:   Tue, 18 Apr 2017 16:18:34 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Lubomir Rintel <lkundrak@...sk>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        Jose Abreu <Jose.Abreu@...opsys.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] ASoC: dwc: disallow building designware_pcm as a module

On Tue, Apr 18, 2017 at 12:59:54PM +0200, Lubomir Rintel wrote:
> It makes not sense: the whether the PIO PCM extension is used is
> hardcoded to the designware_i2s driver and designware_pcm doesn't
> have any module metadata, causing a kernel taint:
> 
>   [   44.287000] designware_pcm: module license 'unspecified' taints kernel.
> 
> Signed-off-by: Lubomir Rintel <lkundrak@...sk>

This is not a a good approach, there is no technical reason to force the
driver to be built in.  If you need a license tag in the module then add
that.

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