Problem with Atheros wlan

i have installed SUSE 11.2 on mz laptop. After the installation everything works fine but after updateing the system my wlan interface was lost.

hwinfo shows:
23: PCI 0b.0: 0200 Ethernet controller
[Created at pci.318]
UDI: /org/freedesktop/Hal/devices/pci_168c_1a
Unique ID: gZD2.hioDloPJzGF
SysFS ID: /devices/pci0000:00/0000:00:0b.0
SysFS BusID: 0000:00:0b.0
Hardware Class: network
Model: “Atheros AR2413 802.11bg NIC”
Vendor: pci 0x168c “Atheros Communications Inc.”
Device: pci 0x001a “AR2413 802.11bg NIC”
SubVendor: pci 0x1468 “AMBIT Microsystem Corp.”
SubDevice: pci 0x0418
Revision: 0x01
Memory Range: 0xe2010000-0xe201ffff (rw,non-prefetchable)
IRQ: 17 (no events)
Module Alias: “pci:v0000168Cd0000001Asv00001468sd00000418bc02sc00i00”
Driver Info #0:
Driver Status: ath5k is active
Driver Activation Cmd: “modprobe ath5k”
Config Status: cfg=no, avail=yes, need=no, active=unknown

iwconfig shows:
lo no wireless extensions.

eth0 no wireless extensions.

Could someone help me please?