Re: [PATCH] x86: fix unconditional arch/x86/kernel/pcspeaker.c compiling

From: Michael Opdenacker
Date: Thu Jan 17 2008 - 12:06:20 EST


Hi Matt,

Thanks for your feedback!

On 01/17/2008 05:36 PM, Matt Mackall wrote:
> On Thu, 2008-01-17 at 16:43 +0100, Michael Opdenacker wrote:
>
>> diff -Naur linux-2.6.24-rc8-git1/arch/x86/kernel/Makefile_32 linux-2.6.24-rc8-git1-nopcspeaker/arch/x86/kernel/Makefile_32
>> --- linux-2.6.24-rc8-git1/arch/x86/kernel/Makefile_32 2008-01-17 09:48:58.000000000 +0100
>> +++ linux-2.6.24-rc8-git1-nopcspeaker/arch/x86/kernel/Makefile_32 2008-01-17 10:06:56.000000000 +0100
>> @@ -45,10 +45,13 @@
>>
>> obj-$(CONFIG_VMI) += vmi_32.o vmiclock_32.o
>> obj-$(CONFIG_PARAVIRT) += paravirt_32.o
>> -obj-y += pcspeaker.o
>> -
>> obj-$(CONFIG_SCx200) += scx200_32.o
>>
>> +ifeq ($(CONFIG_INPUT_PCSPKR),y)
>> + obj-y += pcspeaker.o
>> +endif
>>
>
> I'm not sure this does what you want. What if CONFIG_INPUT_PCSPKR = m?
>
Does it make sense to compile arch/x86/kernel/pcspeaker.c as a module?
It defines no init and exit functions, and it defines an initcall, which
only makes sense at boot time.

That's why I didn't use
obj-$(CONFIG_INPUT_PCSPKR)+=pcspeaker.o

Michael.

--
Michael Opdenacker, Free Electrons
Free Embedded Linux Training Materials
on http://free-electrons.com/training
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