linux-kernel - Re: [PATCH] SSB: make it depend on PCI

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Message-ID: <8bd0f97a0811060326n5bcfc17fm5b5a65b12e71ea61@mail.gmail.com>
Date:	Thu, 6 Nov 2008 06:26:36 -0500
From:	"Mike Frysinger" <vapier.adi@...il.com>
To:	"Johannes Berg" <johannes@...solutions.net>
Cc:	"Mike Frysinger" <vapier@...too.org>,
	"Michael Buesch" <mb@...sch.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] SSB: make it depend on PCI

On Thu, Nov 6, 2008 at 06:22, Johannes Berg wrote:
> On Thu, 2008-11-06 at 06:15 -0500, Mike Frysinger wrote:
>> while that may be the intent, it doesnt work today.
>>
>> drivers/ssb/main.c always includes linux/ssb/ssb.h
>>
>> linux/ssb/ssb.h always calls pci_dma_* functions
>>
>> arches that do not support PCI fail to build:
>>   CC      drivers/ssb/main.o
>> In file included from drivers/ssb/ssb_private.h:5,
>>                  from drivers/ssb/main.c:12:
>> include/linux/ssb/ssb.h: In function 'ssb_dma_mapping_error':
>> include/linux/ssb/ssb.h:430: error: implicit declaration of function 'pci_dma_mapping_error'
>> include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_cpu':
>> include/linux/ssb/ssb.h:475: error: implicit declaration of function 'pci_dma_sync_single_for_cpu'
>> include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_device':
>> include/linux/ssb/ssb.h:493: error: implicit declaration of function 'pci_dma_sync_single_for_device'
>> include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_cpu':
>> include/linux/ssb/ssb.h:517: error: implicit declaration of function 'dma_sync_single_range_for_cpu'
>> include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_device':
>> include/linux/ssb/ssb.h:538: error: implicit declaration of function 'dma_sync_single_range_for_device'
>> drivers/ssb/main.c: In function 'ssb_dma_set_mask':
>> drivers/ssb/main.c:1183: error: implicit declaration of function 'dma_set_mask'
>
>
> That seems odd, shouldn't at least the dma_sync_* functions and
> dma_set_mask be supported?

i'm highlighting the pci-specific functions.  the common dma functions
missing are not a ssb problem, so ignore those ;).
-mike
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