Here is what dmesg has to say...
hostap_crypt: registered algorithm 'NULL'
hostap_cs: 0.3.9 - 2005-06-10 (Jouni Malinen <jkmaline@cc.hut.fi>)
hostap_cs: setting Vcc=33 (constant)
hostap_cs: CS_EVENT_CARD_INSERTION
hostap_cs: ignoring Vcc=33 (from config)
Checking CFTABLE_ENTRY 0x01 (default 0x01)
IO window settings: cfg->io.nwin=1 dflt.io.nwin=1
io->flags = 0x0046, io.base=0x0000, len=64
hostap_cs: Registered netdevice wifi0
hostap_cs: index 0x01: Vcc 3.3, irq 35, io 0xc4860000-0xc486003f
prism2_hw_init: initialized in 210 ms
wifi0: hfa384x_cmd: entry still in list? (entry=c031e920, type=0, res=0)
wifi0: hfa384x_cmd: command was not completed (res=0, entry=c031e920, type=0, cmd=0x0021, param0=0xfd0b, EVSTAT=8010 INTEN=0010)
wifi0: interrupt delivery does not seem to work
wifi0: hfa384x_get_rid: CMDCODE_ACCESS failed (res=-110, rid=fd0b, len=8)
Could not get RID for component NIC
hostap_cs: Initialization failed
prism2_config() failed
Thanks for your help
Stefan