1KFIFO_DMA_IN_FINISH(9) FIFO Buffer KFIFO_DMA_IN_FINISH(9)
2
3
4
6 kfifo_dma_in_finish - finish a DMA IN operation
7
9 kfifo_dma_in_finish(fifo, len);
10
12 fifo
13 address of the fifo to be used
14
15 len
16 number of bytes to received
17
19 This macro finish a DMA IN operation. The in counter will be updated by
20 the len parameter. No error checking will be done.
21
22 Note that with only one concurrent reader and one concurrent writer,
23 you don't need extra locking to use these macros.
24
26Kernel Hackers Manual 3.10 June 2019 KFIFO_DMA_IN_FINISH(9)