drivers/net: Add Micrel KS8841/42 support to ks8842 driver

Body of the explanation:
   -support 16bit and 32bit bus width.
   -add device reset for ks8842/8841 Micrel device.
   -set 100Mbps as a default for Micrel device.
   -set MAC address in both MAC/Switch layer with different sequence for Micrel
    device, as mentioned in data sheet.
   -use private data to set options both 16/32bit bus width and Micrel device/
    Timberdale(FPGA).
   -update Kconfig in order to put more information about ks8842 device.

Signed-off-by: David J. Choi <david.choi@micrel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index f65857e88ec..88294762f9e 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -1750,11 +1750,12 @@ config TLAN
           Please email feedback to <torben.mathiasen@compaq.com>.
 
 config KS8842
-        tristate "Micrel KSZ8842"
+        tristate "Micrel KSZ8841/42 with generic bus interface"
         depends on HAS_IOMEM
         help
-          This platform driver is for Micrel KSZ8842 / KS8842
-          2-port ethernet switch chip (managed, VLAN, QoS).
+         This platform driver is for KSZ8841(1-port) / KS8842(2-port)
+         ethernet switch chip (managed, VLAN, QoS) from Micrel or
+         Timberdale(FPGA).
 
 config KS8851
        tristate "Micrel KS8851 SPI"