linux-kernel - Re: [2.6 patch] m68knommu: let PCI depend on BROKEN

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Date:	Mon, 25 Aug 2008 16:16:12 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Adrian Bunk <bunk@...nel.org>
CC:	gerg@...inux.org, jbarnes@...tuousgeek.org,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [2.6 patch] m68knommu: let PCI depend on BROKEN


Hi Adrian,

Adrian Bunk wrote:
> There exists blackfin hardware with PCI support, but the support
> currently in the kernel fails to build starting with:
> 
> <--  snip  -->
> 
> ...
>   CC      init/main.o
> In file included from dma-mapping.h:5,
>                  from dma-mapping.h:52,
>                  from dmaengine.h:29,
>                  from skbuff.h:29,
>                  from netlink.h:155,
>                  from genetlink.h:4,
>                  from genetlink.h:4,
>                  from taskstats_kern.h:12,
>                  from main.c:46:
> dma-mapping.h: In function 'dma_supported': ma-mapping.h:24: 
> error: implicit declaration of function 'pci_dma_supported'
> ...
> make[2]: *** [init/main.o] Error 1

I think we should just remove the underlying comempci access
code which is the only user of this (arch/m68knommu/kernel/comempci.c).
Nobody has used it in a very long time. And the hardware itself is
old, and completely brain-damaged by design.

Regards
Greg



> <--  snip  -->
> 
> Signed-off-by: Adrian Bunk <bunk@...nel.org>
> 
> ---
> 3bdc07c86b6fd5fc18b7676a75c3ff907e00e807 
> diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
> index 2e7515e..77a5bdf 100644
> --- a/arch/m68knommu/Kconfig
> +++ b/arch/m68knommu/Kconfig
> @@ -702,6 +702,7 @@ menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
>  
>  config PCI
>  	bool "PCI support"
> +	depends on BROKEN
>  	help
>  	  Support for PCI bus.
>  
> 
> 


-- 
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Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg@...pgear.com
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