linux-kernel - Re: [PATCH v2] dmaengine: care sd_dma_address/len in dmaengine_prep_slave

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Date:	Thu, 08 Mar 2012 16:18:39 -0800 (PST)
From:	Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Vinod Koul <vinod.koul@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Russell King <linux@....linux.org.uk>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] dmaengine: care sd_dma_address/len in dmaengine_prep_slave_single()


Hi Lars

> On 01/31/2012 02:13 AM, Kuninori Morimoto wrote:
> > dmaengine_prep_slave_single() is helper macro of dmaengine.
> > But it doesn't have sg_dma_address/len() settings which are required.
> > And it used void *buf in parameter, but it should be dma_addr_t.
> > This patch fixes up it.
> > 
> > Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>
> 
> Hi,
> 
> Any news regarding this patch? The dmaengine_prep_slave_single in upstream
> is not really usable as it is right now.

Sorry. I have no news/update for this.
I'm not good at IOMMU which was pointed by Russell.

Best regards
---
Kuninori Morimoto
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