linux-kernel - Re: Question about DMA

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Message-ID: <479D9AA7.8080107@gmail.com>
Date:	Mon, 28 Jan 2008 10:04:39 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Francis Moreau <francis.moro@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: Question about DMA

On 01/28/2008 09:55 AM, Francis Moreau wrote:
> No ;)

Heh :)

> My DMA controller has very little in common with ISA DMA one. But I'd like to
> use it in a driver. This driver can do DMA but with the help of an external DMA
> controller. It's only implement the "slave" side. So basically this driver needs
> to configure one of the DMAC channels before transfering data.

Which bus is it in this case?

> What other API could I use in this case ? I don't think the DMA-mapping can
> help in this case...
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