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

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Date:	Mon, 27 Jul 2009 14:22:45 +0100
From:	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>
To:	Nicolas Ferre <nicolas.ferre@...el.com>
CC:	"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>,
	"haavard.skinnemoen@...el.com" <haavard.skinnemoen@...el.com>
Subject: RE: [PATCH] dmaengine: at_hdmac: add DMA slave transfers

Nicolas Ferre wrote:
> This patch for at_hdmac adds the slave transfers capability to the Atmel DMA
> controller available on some AT91 SOCs. This allow peripheral to memory and
> memory to peripheral transfers with hardware handshaking.
> 
> Slave structure for controller specific information is passed through channel
> private data. This at_dma_slave structure is defined in at_hdmac.h header file
> and relative hardware definition are moved to this file from at_hdmac_regs.h.
> Doing this we allow the channel configuration from platform definition code.
> 
> This work is intensively based on dw_dmac and several slave implementations.
> 
> Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---

Acked-by: Maciej Sosnowski <maciej.sosnowski@...el.com>--
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