linux-kernel - Re: [PATCH v4 3/6] dmaengine: Add slave DMA interface

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Message-ID: <20080626153212.543be415@hskinnemo-gx745.norway.atmel.com>
Date:	Thu, 26 Jun 2008 15:32:12 +0200
From:	Haavard Skinnemoen <haavard.skinnemoen@...el.com>
To:	Dan Williams <dan.j.williams@...el.com>,
	Pierre Ossman <drzeus-list@...eus.cx>
Cc:	linux-kernel@...r.kernel.org, linux-embedded@...r.kernel.org,
	kernel@...32linux.org, shannon.nelson@...el.com,
	David Brownell <david-b@...bell.net>
Subject: Re: [PATCH v4 3/6] dmaengine: Add slave DMA interface

Ok, I guess I didn't update all the patch descriptions properly...

Haavard Skinnemoen <haavard.skinnemoen@...el.com> wrote:
> A new struct dma_slave_descriptor is added. This extends the standard
> dma_async_tx_descriptor with a few members that are needed for doing
> slave DMA from/to peripherals.

This isn't correct anymore, as the dma_slave_descriptor struct turned
out not to be needed after all.

> A new operation for creating such descriptors is added to struct
> dma_device.

This isn't entirely correct either -- regular dma_async_tx_descriptors
are created, but one such descriptor can represent a whole scatterlist.

I'll update the changelog for the next round...

Haavard
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