KFIFO_DMA_IN_FINISH

Section: FIFO Buffer (9)
Updated: February 2011
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NAME

kfifo_dma_in_finish - finish a DMA IN operation  

SYNOPSIS

kfifo_dma_in_finish(fifo, len);
 

ARGUMENTS

fifo

address of the fifo to be used

len

number of bytes to received
 

DESCRIPTION

This macro finish a DMA IN operation. The in counter will be updated by the len parameter. No error checking will be done.

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

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