linux-kernel - Re: [PATCH 3/3] sparc32: fix build failure on CONFIG_SPARC

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Message-ID: <4CC67FD5.4080101@gaisler.com>
Date:	Tue, 26 Oct 2010 09:14:29 +0200
From:	Daniel Hellstrom <daniel@...sler.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	David Miller <davem@...emloft.net>, namhyung@...il.com,
	sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] sparc32: fix build failure on CONFIG_SPARC_LEON


Sam Ravnborg wrote:

>On Mon, Oct 25, 2010 at 11:53:31AM -0700, David Miller wrote:
>  
>
>>From: Sam Ravnborg <sam@...nborg.org>
>>Date: Mon, 25 Oct 2010 18:11:22 +0200
>>
>>    
>>
>>>On Mon, Oct 25, 2010 at 09:00:43AM -0700, David Miller wrote:
>>>      
>>>
>>>>From: Namhyung Kim <namhyung@...il.com>
>>>>Date: Tue, 26 Oct 2010 00:52:38 +0900
>>>>
>>>>        
>>>>
>>>>>  CC      arch/sparc/kernel/irq_32.o
>>>>>arch/sparc/kernel/irq_32.c: In function 'request_fast_irq':
>>>>>arch/sparc/kernel/irq_32.c:370:25: error: conflicting types for 'trapbase_cpu1'
>>>>>          
>>>>>
>>>>I doubt SMP LEON chips even exist, so better to just anti-dep
>>>>this in arch/sparc/Kconfig
>>>>        
>>>>
>>>I have a nice eval board at my desk with a dual-core LEON4 processor.
>>>I only lack time to play with it...
>>>      
>>>
>>Ok.  But whenever someone gets a time to play with it and
>>verify it works, we can sort out this build failure by
>>modifying the code as needed.
>>
>>But for now I prefer the Kconfig SMP dependency fix.
>>    
>>
>
>Yup - I agree.
>My only intention was to tell that such a processor exists in reality
>and not only on paper.
>
I stumbled into the same problem last weeks, enabling "Normal floppy 
disk support" (BLK_DEV_FD) on the LEON makes this error appear. There is 
no hardware for "Normal floppy disk support" on a LEON.

Regards,
Daniel Hellstrom

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