diff options
Diffstat (limited to 'drivers/net/wireless')
| -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 d8d23155ee3c..1d677c15b21c 100644 --- a/drivers/net/wireless/bcm43xx/Kconfig +++ b/drivers/net/wireless/bcm43xx/Kconfig | |||
| @@ -52,6 +52,11 @@ config BCM43XX_PIO_MODE | |||
| 52 | Only include Programmed I/O (PIO). | 52 | Only include Programmed I/O (PIO). |
| 53 | This reduces the size of the driver module, by omitting the DMA code. | 53 | This reduces the size of the driver module, by omitting the DMA code. |
| 54 | Please note that PIO transfers are slow (compared to DMA). | 54 | Please note that PIO transfers are slow (compared to DMA). |
| 55 | |||
| 56 | Also note that not all devices of the 43xx series support PIO. | ||
| 57 | The 4306 (Apple Airport Extreme and others) supports PIO, while | ||
| 58 | the 4318 is known to _not_ support PIO. | ||
| 59 | |||
| 55 | Only use PIO, if DMA does not work for you. | 60 | Only use PIO, if DMA does not work for you. |
| 56 | 61 | ||
| 57 | endchoice | 62 | endchoice |