netdev: remove unused S2IO_NAPI

Signed-off-by: NFrancois Romieu <romieu@fr.zoreil.com>
Acked-by: NJeff Garzik <jgarzik@redhat.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

Documentation/networking/s2io.txt

@@ -52,13 +52,10 @@ d. MSI/MSI-X. Can be enabled on platforms which support this feature
 (IA64, Xeon) resulting in noticeable performance improvement(upto 7%
 on certain platforms).
 
-e. NAPI. Compile-time option(CONFIG_S2IO_NAPI) for better Rx interrupt 
-moderation.
-
-f. Statistics. Comprehensive MAC-level and software statistics displayed
+e. Statistics. Comprehensive MAC-level and software statistics displayed
 using "ethtool -S" option.
 
-g. Multi-FIFO/Ring. Supports up to 8 transmit queues and receive rings, 
+f. Multi-FIFO/Ring. Supports up to 8 transmit queues and receive rings,
 with multiple steering options.
 
 4.  Command line parameters

drivers/net/Kconfig

@@ -2515,20 +2515,6 @@ config S2IO
 	  More specific information on configuring the driver is in 
 	  <file:Documentation/networking/s2io.txt>.
 
-config S2IO_NAPI
-	bool "Use Rx Polling (NAPI) (EXPERIMENTAL)"
-	depends on S2IO && EXPERIMENTAL
-	help
-	  NAPI is a new driver API designed to reduce CPU and interrupt load
-	  when the driver is receiving lots of packets from the card. It is
-	  still somewhat experimental and thus not yet enabled by default.
-
-	  If your estimated Rx load is 10kpps or more, or if the card will be
-	  deployed on potentially unfriendly networks (e.g. in a firewall),
-	  then say Y here.
-
-	  If in doubt, say N.
-
 config MYRI10GE
 	tristate "Myricom Myri-10G Ethernet support"
 	depends on PCI && INET