1KFIFO_DMA_OUT_FINISH(9)           FIFO Buffer          KFIFO_DMA_OUT_FINISH(9)
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NAME

6       kfifo_dma_out_finish - finish a DMA OUT operation
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SYNOPSIS

9       kfifo_dma_out_finish(fifo, len);
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ARGUMENTS

12       fifo
13           address of the fifo to be used
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15       len
16           number of bytes transferd
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DESCRIPTION

19       This macro finish a DMA OUT operation. The out counter will be updated
20       by the len parameter. No error checking will be done.
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22       Note that with only one concurrent reader and one concurrent writer,
23       you don't need extra locking to use these macros.
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26Kernel Hackers Manual 3.10         June 2019           KFIFO_DMA_OUT_FINISH(9)
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