rio_dma_prep_slave_sg man page on Oracle

rio_dma_prep_slave_sg man page on Oracle

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RIO_DMA_PREP_SLAVE_S(9)	   RapidIO driver interface    RIO_DMA_PREP_SLAVE_S(9)

NAME
       rio_dma_prep_slave_sg - RapidIO specific wrapper for
       device_prep_slave_sg callback defined by DMAENGINE.

SYNOPSIS
       struct dma_async_tx_descriptor *
							      rio_dma_prep_slave_sg(struct rio_dev * rdev,
							      struct dma_chan * dchan,
							      struct rio_dma_data * data,
							      enum dma_transfer_direction direction,
							      unsigned long flags);

ARGUMENTS
       rdev
	   RIO device control structure

       dchan
	   DMA channel to configure

       data
	   RIO specific data descriptor

       direction
	   DMA data transfer direction (TO or FROM the device)

       flags
	   dmaengine defined flags

DESCRIPTION
       Initializes RapidIO capable DMA channel for the specified data
       transfer. Uses DMA channel private extension to pass information
       related to remote target RIO device. Returns pointer to DMA transaction
       descriptor or NULL if failed.

AUTHOR
       Matt Porter <mporter@kernel.crashing.org>, <mporter@mvista.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.8.	   June 2014	       RIO_DMA_PREP_SLAVE_S(9)

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