From: vinod.koul@intel.com (Vinod Koul)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
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]
2013-07-22 21:45 ` Joel Fernandes
2013-07-23 6:41 ` Lars-Peter Clausen
2013-07-23 6:50 ` Joel Fernandes
2013-07-18 17:08 ` Russell King - ARM Linux
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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