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Date: Wed, 11 Aug 2010 19:42:19 +0530
From: Rabin Vincent <rabin@rab.in>
To: Linus Walleij <linus.walleij@stericsson.com>
Cc: Dan Williams <dan.j.williams@intel.com>, linux-kernel@vger.kernel.org,
        Sascha Hauer <s.hauer@pengutronix.de>
Subject: Re: [PATCH] DMAENGINE: add a slave buffer prep call
Message-ID: <20100811141219.GA5846@debian>
References: <1281476766-7066-1-git-send-email-linus.walleij@stericsson.com>
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On Tue, Aug 10, 2010 at 11:46:06PM +0200, Linus Walleij wrote:
> This makes it possible for engines to implement slave transfers
> to be done to/from a simple kmalloc():ed memory buffer and not
> just from scatterlists.

Why is this needed?  Drivers can just pass in a single-entry scatterlist
to the existing API to achieve the same functionality, and a couple of
them already do so.

Rabin
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