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| author | Michael Buesch <mbuesch@freenet.de> | 2006-02-12 18:52:10 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2006-03-27 20:18:33 +0400 |
| commit | 8bcab3f55982cf28310f2303bef741424ad0f563 (patch) | |
| tree | d2334adadd6add966e1b31247b09929e76343bd8 | |
| parent | 77db31ea4322f2dd12dc814d6664ae96517604c0 (diff) | |
| download | linux-8bcab3f55982cf28310f2303bef741424ad0f563.tar.xz | |
[PATCH] bcm43xx: add a note that not all devices support PIO.
Signed-off-by: Michael Buesch <mbuesch@freenet.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -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 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 |