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Date:   Fri, 16 Jun 2017 10:45:42 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Andreas Larsson <andreas@gaisler.com>
Cc:     Christoph Hellwig <hch@lst.de>, x86@kernel.org,
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Subject: Re: [PATCH 27/44] sparc: remove leon_dma_ops
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On Mon, Jun 12, 2017 at 10:06:26AM +0200, Andreas Larsson wrote:
> Yes, it is needed. LEON systems are AMBA bus based. The common case here is 
> DMA over AMBA buses. Some LEON systems have PCI bridges, but in general 
> CONFIG_PCI is not a given.

Ok, and even for AMBA we use the pci ops, so I'll leave it in and drop
the comment from the commit.