linux-kernel - Re: Linux 2.6.29-rc6 bombs while compiling a kernel for a linkstation/kurobox

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Date:	Wed, 4 Mar 2009 01:07:55 +0100 (CET)
From:	Guennadi Liakhovetski <g.liakhovetski@....de>
To:	Rogério Brito <rbrito@....usp.br>
cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: Linux 2.6.29-rc6 bombs while compiling a kernel for a
 linkstation/kurobox

On Mon, 2 Mar 2009, Rogério Brito wrote:

> Hi there.
> 
> I tried to compile a new kernel for my (powerpc) Kurobox HD (an embedded
> system that has a Freescale processor), but it seems that the
> compilation fails, with both my usual config file and with the shipped
> linkstation_defconfig file.
> 
> I get the following error during compilation (actually a
> cross-compilation):
> 
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
> arch/powerpc/platforms/built-in.o: In function `linkstation_setup_arch':
> linkstation.c:(.init.text+0x218): undefined reference to `physmap_set_partitions'
> drivers/built-in.o:(__ksymtab+0x9f8): undefined reference to `physmap_set_partitions'
> make: *** [.tmp_vmlinux1] Error 1
> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Yes, linkstation and storcenter have to migrate to the "physmap-flash" 
platform driver. For now you can define in your .config

CONFIG_MTD_PHYSMAP=y
CONFIG_MTD_PHYSMAP_COMPAT=y
CONFIG_MTD_PHYSMAP_START=0xffc00000
CONFIG_MTD_PHYSMAP_LEN=0x400000
CONFIG_MTD_PHYSMAP_BANKWIDTH=1

(I hope the numbers are correct, just found them in my local tree, don't 
remember any more what exactly they configure, please, double-check.) And 
yes, it must be fixed in the mainline. I'll see if I find time for this, 
maybe tomorrow (actually, already today.)

Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
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