diff options
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/bcm43xx/Kconfig | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm43xx/Kconfig b/drivers/net/wireless/bcm43xx/Kconfig index d8d23155ee3..1d677c15b21 100644 --- a/drivers/net/wireless/bcm43xx/Kconfig +++ b/drivers/net/wireless/bcm43xx/Kconfig @@ -52,6 +52,11 @@ config BCM43XX_PIO_MODE Only include Programmed I/O (PIO). This reduces the size of the driver module, by omitting the DMA code. Please note that PIO transfers are slow (compared to DMA). + + Also note that not all devices of the 43xx series support PIO. + The 4306 (Apple Airport Extreme and others) supports PIO, while + the 4318 is known to _not_ support PIO. + Only use PIO, if DMA does not work for you. endchoice |