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
Date: Wed, 11 Aug 2010 19:42:19 +0530 [thread overview]
Message-ID: <20100811141219.GA5846@debian> (raw)
In-Reply-To: <1281476766-7066-1-git-send-email-linus.walleij@stericsson.com>
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
next prev parent reply other threads:[~2010-08-11 14:12 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-10 21:46 [PATCH] DMAENGINE: add a slave buffer prep call Linus Walleij
2010-08-11 14:12 ` Rabin Vincent [this message]
2010-08-11 19:02 ` Linus Walleij
2010-08-12 7:56 ` Sascha Hauer
2010-08-12 18:51 ` Rabin Vincent
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