Re: Compile errors with dell_rbtn_notifier_register

Re: Compile errors with dell_rbtn_notifier_register

[Pali Rohár]

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On Thursday 21 May 2015 22:53:37 Valdis Kletnieks wrote:
> commit 61104aa44529d59bd01a5d51df571ca2823a04b3
> Author: Pali Rohár <pali.rohar@gmail.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@gmail.com

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