linux-kernel - Re: [PATCH] kfifo: add DMA capabilities

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Message-ID: <20091211134236.7b9af57b@lxorguk.ukuu.org.uk>
Date:	Fri, 11 Dec 2009 13:42:36 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Stefani Seibold <stefani@...bold.net>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arnd Bergmann <arnd@...db.de>,
	Andi Kleen <andi@...stfloor.org>,
	Amerigo Wang <xiyou.wangcong@...il.com>,
	Joe Perches <joe@...ches.com>,
	Roger Quadros <quadros.roger@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	Shargorodsky Atal <ext-atal.shargorodsky@...ia.com>
Subject: Re: [PATCH] kfifo: add DMA capabilities

On Fri, 11 Dec 2009 14:36:29 +0100
Stefani Seibold <stefani@...bold.net> wrote:

> As requested by Shargorodsky Atal:
> 
> This patch adds functions for DMA handling to the new kfifo API. 
> 
> To prepare a DMA one of the kfifo_dma_..._prepare() Funktions must be
> called. This results in a scatterlist structure which can passed to the
> kernel DMA functions.

Looks good to me - the tty buffering has similar functions to some bits
of this for the same reasons.

Alan
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