linux-kernel - Re: 2.6.21-rc7-mm2

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Date:	Thu, 26 Apr 2007 23:13:26 +0200
From:	Gabriel C <nix.or.die@...glemail.com>
To:	Timur Tabi <timur@...escale.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Kumar Gala <galak@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>
Subject: Re: 2.6.21-rc7-mm2

Timur Tabi wrote:
> Andrew Morton wrote:
>
>   
>>> drivers/net/Kconfig:2327:warning: 'select' used by config symbol 
>>> 'UCC_GETH' refer to undefined symbol 'UCC_FAST'
>>>       
>> Yes, we get so many of those that I tend to ignore them, assuming that
>> someone will pick it up and fix it.
>>     
>
> Is this being compiled on a non-ppc/powerpc platform?  

Yes , on i386 with this config :


http://crazy.dev.frugalware.org/2.6.21-rc7-mm2/config

> That might explain it.  UCC_GETH is 
> defined in drivers/net/Kconfig, but UCC_FAST is defined in 
> arch/powerpc/sysdev/qe_lib/Kconfig.  So I supposed if you don't compile for ARCH=powerpc, 
> then arch/powerpc/sysdev/qe_lib/Kconfig is never loaded?
>
> If that's the case, then we're always going to have this problem with platform-dependent 
> drivers in the /drivers/ directory.  The ucc_geth driver depends on the "QE library", 
> which is present only on some PowerPC processors, so we put the config options for the QE 
> in arch/powerpc.  But since ucc_geth is a standard Ethernet driver, it exists in drivers/net.
>
>   

Gabriel
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