table of contents
| KFIFO_DMA_OUT_FINISH(9) | FIFO Buffer | KFIFO_DMA_OUT_FINISH(9) |
NAME¶
kfifo_dma_out_finish - finish a DMA OUT operation
SYNOPSIS¶
kfifo_dma_out_finish(fifo, len);
ARGUMENTS¶
fifo
address of the fifo to be used
len
number of bytes transferd
DESCRIPTION¶
This macro finish a DMA OUT operation. The out 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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |