kfifo_dma_in_prepare man page on OpenSuSE

kfifo_dma_in_prepare man page on OpenSuSE

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KFIFO_DMA_IN_PREPARE(9)		  FIFO Buffer	       KFIFO_DMA_IN_PREPARE(9)

NAME
       kfifo_dma_in_prepare - setup a scatterlist for DMA input

SYNOPSIS
       kfifo_dma_in_prepare(fifo, sgl, nents, len);

ARGUMENTS
       fifo
	   address of the fifo to be used

       sgl
	   pointer to the scatterlist array

       nents
	   number of entries in the scatterlist array

       len
	   number of elements to transfer

DESCRIPTION
       This macro fills a scatterlist for DMA input. It returns the number
       entries in the scatterlist array.

       Note that with only one concurrent reader and one concurrent writer,
       you don't need extra locking to use these macros.

COPYRIGHT
Kernel Hackers Manual 3.11	 November 2013	       KFIFO_DMA_IN_PREPARE(9)

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