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SubjectRe: [PATCH] ssb: mark ssb_bus_register as __maybe_unused
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On Tuesday 03 November 2015 17:27:21 Michael Büsch wrote:
> On Tue, 03 Nov 2015 16:05:51 +0100
> Arnd Bergmann <arnd@arndb.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?

I could not come up with a simple one. We could turn 'CONFIG_SSB' into
a silent option and have it selected by each bus specific driver,
but then we also have to change all the device drivers (usb and
wireless I guess) to use 'depends on' rather than 'select'.

Arnd


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