linux-kernel - RE: [PATCH] dmaengine: at_hdmac: add DMA slave transfers

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Date:	Mon, 27 Jul 2009 14:24:26 +0100
From:	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>
To:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>,
	Atsushi Nemoto <anemo@....ocn.ne.jp>
CC:	"nicolas.ferre@...el.com" <nicolas.ferre@...el.com>,
	"Williams, Dan J" <dan.j.williams@...el.com>,
	"linux-arm-kernel@...ts.arm.linux.org.uk" 
	<linux-arm-kernel@...ts.arm.linux.org.uk>,
	"patrice.vilchez@...el.com" <patrice.vilchez@...el.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH] dmaengine: at_hdmac: add DMA slave transfers

Haavard Skinnemoen wrote:
> On Fri, 24 Jul 2009 22:29:19 +0900 (JST)
> Atsushi Nemoto <anemo@....ocn.ne.jp> wrote:
> 
>>> The patches for adaptation of atmel-mci to at_hdmac are coming...
>> 
>> Your atc_chain_complete() calls dma_unmap_xxx unless
>> DMA_COMPL_SKIP_XXX_UNMAP specified.  But atmel-mci driver does not set
>> the flag on dma_async_tx_descriptor.  I suppose one of them should be
>> fixed.
> 
> atmel-mci should definitely set that flag.
> 
> Haavard

I agree with Haavard.

Regards,
Maciej--
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