linux-kernel - Re: bnx2 fails to compile on parisc because of missing get_dma

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Message-Id: <20100617.073653.193708702.davem@davemloft.net>
Date:	Thu, 17 Jun 2010 07:36:53 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	fujita.tomonori@....ntt.co.jp
Cc:	mchan@...adcom.com, lethal@...ux-sh.org, vapier@...too.org,
	JBottomley@...ell.com, netdev@...r.kernel.org,
	linux-parisc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: bnx2 fails to compile on parisc because of missing
 get_dma_ops()

From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Date: Thu, 17 Jun 2010 21:21:13 +0900

> On Wed, 16 Jun 2010 23:24:44 -0700
> "Michael Chan" <mchan@...adcom.com> wrote:
> 
>> David, why is dma_is_consistent() always returning 1 on sparc?  The
>> streaming DMA is not consistent.
> 
> I think that there are some confusion about dma_is_consistent(). Some
> architectures think that dma_is_consistent() is supposed to return 1
> if they can allocate coherent memory (note that some architectures
> can't allocate coherent memory).

Right, and that's why it's defined this way.

If the desired meaning is different, just me know and I'll fix the
sparc definition.

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