[PATCH 1/3] dmaengine: add dma_get_slave_sg_limits()

Vinod Koul vinod.koul at intel.com
Thu Jul 18 12:16:58 EDT 2013


On Thu, Jul 18, 2013 at 11:46:39AM -0500, Joel Fernandes wrote:
> From: Matt Porter <mporter at 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



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