linux-kernel - Re: [Nouveau] [PATCH] drm/nouveau: fix LEDS

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Message-ID: <20161108160701.GC6983@wunner.de>
Date:   Tue, 8 Nov 2016 17:07:01 +0100
From:   Lukas Wunner <lukas@...ner.de>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Ilia Mirkin <imirkin@...m.mit.edu>,
        "nouveau@...ts.freedesktop.org" <nouveau@...ts.freedesktop.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [Nouveau] [PATCH] drm/nouveau: fix LEDS_CLASS=m configuration

On Tue, Nov 08, 2016 at 04:52:49PM +0100, Arnd Bergmann wrote:
> The underlying problem is that we already have a number of other
> symbols that either have "depends on LEDS_CLASS" or
> "select LEDS_CLASS". To clean that up properly, we should either
> make the symbol itself hidden and only select it from other drivers,
> or use "depends on LEDS_CLASS" everywhere.
> 
> Another option is to use the IS_REACHABLE() macro instead of IS_ENABLED()
> in the header file, to stub out the calls into the new file, but
> that can be a bit confusing.

Why don't you just add empty inline stubs for nouveau_led_init / _fini /
_suspend / _resume?

Thanks,

Lukas