diff --git a/[refs] b/[refs]
index 49ea70d53b53..2464f508b3e0 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 77db31ea4322f2dd12dc814d6664ae96517604c0
+refs/heads/master: 8bcab3f55982cf28310f2303bef741424ad0f563
diff --git a/trunk/drivers/net/wireless/bcm43xx/Kconfig b/trunk/drivers/net/wireless/bcm43xx/Kconfig
index d8d23155ee3c..1d677c15b21c 100644
--- a/trunk/drivers/net/wireless/bcm43xx/Kconfig
+++ b/trunk/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