linux-kernel - Re: [PATCH] ssb: mark ssb_bus_register as __maybe

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Message-ID: <20151103172721.04533081@wiggum>
Date:	Tue, 3 Nov 2015 17:27:21 +0100
From:	Michael Büsch <m@...s.ch>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	netdev@...r.kernel.org, Kalle Valo <kvalo@...eaurora.org>,
	linux-kernel@...r.kernel.org, zajec5@...il.com,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Subject: Re: [PATCH] ssb: mark ssb_bus_register as __maybe_unused

On Tue, 03 Nov 2015 16:05:51 +0100
Arnd Bergmann <arnd@...db.de> wrote:

> The SoC variant of the ssb code is now optional like the other
> ones, which means we can build the framwork without any
> front-end, but that results in a warning:
> 
> drivers/ssb/main.c:616:12: warning: 'ssb_bus_register' defined but not used [-Wunused-function]
> 
> This annotates the ssb_bus_register function as __maybe_unused to
> shut up the warning. A configuration like this will not work on
> any hardware of course, but we still want this to silently build
> without warnings if the configuration is allowed in the first
> place.


Is there a simple way to disallow this configuration?

-- 
Michael

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