zd1211b.ko/zd1211.ko working on at91rm9200

zd1211b.ko test get ip from wireless AP ok!! but very slow.
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~ $ ifconfig wlan0 up

~ $ iwconfig wlan0 essid SMC
~ $ Channel changed:5 to 1
~ $ iwconfig
lo no wireless extensions.

eth0 no wireless extensions.

wlan0 802.11b/g NIC ESSID:"SMC"
Mode:Managed Channel=0 Access Point: 00:13:F7:A4:44:5A
Bit Rate:0 kb/s
Retry:on RTS thr=9999 B Fragment thr:off
Encryption key:off
Power Management:off
Link Quality:66/100 Signal level:49/100 Noise level:0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:5392 Missed beacon:0


~ $ iwevent
Waiting for Wireless Events from interfaces...
04:05:13.589203 wlan0 Scan request completed
04:05:15.191925 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

04:05:28.385284 wlan0 Scan request completed
Channel changed:11 to 5
04:05:30.457702 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
04:05:43.697876 wlan0 Scan request completed
Channel changed:11 to 5
04:05:45.660309 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

04:05:58.017609 wlan0 Scan request completed
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

04:06:12.307159 wlan0 Scan request completed
cgi_half_bottom 0
lanrestart
No DHCP used by LAN, skip.
wlan0: No such process
ifconfig
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

04:06:27.416778 wlan0 Scan request completed
cgi_half_bottom 0
lanrestart
No DHCP used by LAN, skip.
wlan0: No such process
ifconfig
04:06:30.107025 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
iwconfig
No DHCP used by LAN, skip.
udhcpc
udhcpc (v1.7.5) started
ifconfig
done
Sending discover...
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

Sending discover...
Sending discover...
Sending discover...
04:06:44.165558 wlan0 Scan request completed
Sending discover...
Sending discover...
******We Lose AP for 5 seconds
04:06:50.236267 wlan0 New Access Point/Cell address:Not-Associated
Sending discover...
Sending discover...
Sending discover...
Sending discover...
04:07:03.291656 wlan0 Scan request completed
04:07:05.254028 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
04:07:18.338318 wlan0 Scan request completed
04:07:20.215515 wlan0 New Access Point/Cell address:00:13:F7:A4:44:5A
Sending discover...
Sending select for 192.168.2.195...
Lease of 192.168.2.195 obtained, lease time 86400
dns1 = 192.168.2.1, dns2 =
done
killall: crond: no process killed
lo Interface doesn't support scanning.

eth0 Interface doesn't support scanning.

04:08:29.702066 wlan0 Scan request completed
=====================================================================
zd1222.ko also ok !!