table of contents
| KFIFO_DMA_IN_FINISH(9) | FIFO Buffer | KFIFO_DMA_IN_FINISH(9) |
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.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |