From: Vinod Koul <vinod.koul@intel.com>
To: Joel Fernandes <joelf@ti.com>
Cc: Tony Lindgren <tony@atomide.com>, Sekhar Nori <nsekhar@ti.com>,
Matt Porter <matt@ohporter.com>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
Mark Brown <broonie@linaro.org>,
Benoit Cousson <benoit.cousson@linaro.org>,
Russell King <linux@arm.linux.org.uk>,
Balaji TK <balajitk@ti.com>,
Gururaja Hebbar <gururaja.hebbar@ti.com>,
Chris Ball <cjb@laptop.org>,
Jason Kridner <jkridner@beagleboard.org>,
Mark Jackson <mpfj-list@newflow.co.uk>,
Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
Linux OMAP List <linux-omap@vger.kernel.org>,
Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
Linux DaVinci Kernel List
<davinci-linux-open-source@linux.davincidsp.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Linux Documentation List <linux-doc@vger.kernel.org>,
Linux MMC List <linux-mmc@vger.kernel.org>L
Subject: Re: [PATCH 1/3] dmaengine: add dma_get_slave_sg_limits()
Date: Thu, 18 Jul 2013 21:46:58 +0530 [thread overview]
Message-ID: <20130718161658.GW16653@intel.com> (raw)
In-Reply-To: <1374166001-31340-2-git-send-email-joelf@ti.com>
On Thu, Jul 18, 2013 at 11:46:39AM -0500, Joel Fernandes wrote:
> From: Matt Porter <mporter@ti.com>
>
> 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 Joel,
I have already resurrected this and generalized the API to get the slave
capablities.
https://lkml.org/lkml/2013/7/15/147
Please start using this API
~Vinod
next prev parent reply other threads:[~2013-07-18 16:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-18 16:46 [PATCH 0/3] Pending dmaengine patches Joel Fernandes
[not found] ` <1374166001-31340-1-git-send-email-joelf-l0cyMroinI0@public.gmane.org>
2013-07-18 16:46 ` [PATCH 1/3] dmaengine: add dma_get_slave_sg_limits() Joel Fernandes
2013-07-18 16:16 ` Vinod Koul [this message]
[not found] ` <20130718161658.GW16653-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2013-07-22 21:45 ` Joel Fernandes
[not found] ` <51EDA80F.7060606-l0cyMroinI0@public.gmane.org>
2013-07-23 6:41 ` Lars-Peter Clausen
[not found] ` <51EE25A4.7000609-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2013-07-23 6:50 ` Joel Fernandes
2013-07-18 17:08 ` Russell King - ARM Linux
[not found] ` <20130718170825.GZ21614-l+eeeJia6m9vn6HldHNs0ANdhmdF6hFW@public.gmane.org>
2013-07-18 18:57 ` Joel Fernandes
2013-07-29 6:44 ` Vinod Koul
2013-07-18 16:46 ` [PATCH 2/3] mmc: omap_hsmmc: set max_segs based on dma engine limits Joel Fernandes
2013-07-18 16:46 ` [PATCH 3/3] dma: edma: add device_slave_sg_limits() support Joel Fernandes
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