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Message-Id: <201505212259.29035@pali>
Date: Thu, 21 May 2015 22:59:28 +0200
From: Pali Rohár <pali.rohar@...il.com>
To: Darren Hart <dvhart@...radead.org>
Cc: Valdis Kletnieks <Valdis.Kletnieks@...edu>,
linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Subject: Re: Compile errors with dell_rbtn_notifier_register
On Thursday 21 May 2015 22:53:37 Valdis Kletnieks wrote:
> commit 61104aa44529d59bd01a5d51df571ca2823a04b3
> Author: Pali Rohár <pali.rohar@...il.com>
> Date: Thu May 14 12:54:27 2015 +0200
>
> dell-laptop: Use dell-rbtn instead i8042 filter when possible
>
> causes build errors:
>
> LD init/built-in.o
> drivers/built-in.o: In function `dell_init':
> /usr/src/linux-next/drivers/platform/x86/dell-laptop.c:762: undefined
> reference to `dell_rbtn_notifier_register'
> /usr/src/linux-next/drivers/platform/x86/dell-laptop.c:2016:
> undefined reference to `dell_rbtn_notifier_unregister'
> drivers/built-in.o: In function `dell_exit':
> /usr/src/linux-next/drivers/platform/x86/dell-laptop.c:2041:
> undefined reference to `dell_rbtn_notifier_unregister'
>
> when built with:
>
> CONFIG_DELL_LAPTOP=y
> CONFIG_DELL_RBTN=m
>
> because the builtin then references a symbol that's in a module.
>
> Probably needs some Kconfig magic to ensure this case doesn't happen.
Darren, what do you prefer as fix? Some Kconfig magic (maybe depends?)?
or other magic in dell_rbtn.h to inline empty functions?
--
Pali Rohár
pali.rohar@...il.com
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