linux-kernel - Re: [PATCH v4 1/3] dmaengine: add dma_get_slave_sg

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Message-ID: <51A5F24B.3000601@metafoo.de>
Date:	Wed, 29 May 2013 14:19:23 +0200
From:	Lars-Peter Clausen <lars@...afoo.de>
To:	Matt Porter <mporter@...com>
CC:	Vinod Koul <vinod.koul@...el.com>, Chris Ball <cjb@...top.org>,
	Dan Williams <djbw@...com>, Sekhar Nori <nsekhar@...com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Linux DaVinci Kernel List 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	matt.porter@...aro.org
Subject: Re: [PATCH v4 1/3] dmaengine: add dma_get_slave_sg_limits()

On 03/06/2013 08:56 PM, Matt Porter wrote:
> Add a dmaengine API to retrieve slave SG transfer limits.
> 
> The API is optionally implemented by dmaengine drivers and when
> unimplemented will return a NULL pointer. A client driver using
> this API provides the required dma channel, address width, and
> burst size of the transfer. dma_get_slave_sg_limits() returns an
> SG limits structure with the maximum number and size of SG segments
> that the given channel can handle.


Hi Matt,

Are you still working on this patchset? Or do you mind if I pick it up, make
the discussed changes and resubmit it?

Thanks,
- Lars

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