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

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Date:	Fri, 24 Jul 2009 16:10:01 +0200
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Atsushi Nemoto <anemo@....ocn.ne.jp>
Cc:	nicolas.ferre@...el.com, dan.j.williams@...el.com,
	maciej.sosnowski@...el.com,
	linux-arm-kernel@...ts.arm.linux.org.uk, patrice.vilchez@...el.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: at_hdmac: add DMA slave transfers

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
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