default or selected kernelversion does not have config value CONFIG_B43_DMA_AND_PIO_MODE.
Result is shown for kernelversion 5.13-rc2
DMA + PIO
configname: CONFIG_B43_DMA_AND_PIO_MODE
Broadcom 43xx 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 actually used mode is selectable through the module
parameter "pio". If the module parameter is pio=0, DMA is used.
Otherwise PIO is used. DMA is default.
If unsure, choose this option.
data transfer modes.
The actually used mode is selectable through the module
parameter "pio". If the module parameter is pio=0, DMA is used.
Otherwise PIO is used. DMA is default.
If unsure, choose this option.