DMA + PIO
configname: CONFIG_B43LEGACY_DMA_AND_PIO_MODE
Broadcom 43xx-legacy data transfer mode
└─>DMA + PIO
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
Include both, Direct Memory Access (DMA) and Programmed I/O (PIO)
data transfer modes. The mode actually used is selectable through
the module parameter "pio". With pio=0 as a module parameter, the
default DMA is used, otherwise PIO is used.
If unsure, choose this option.
data transfer modes. The mode actually used is selectable through
the module parameter "pio". With pio=0 as a module parameter, the
default DMA is used, otherwise PIO is used.
If unsure, choose this option.