请高手指点！host controller driver 问题 。

u盘，usb鼠标，摄像头正常，插上wlan的无线网卡后，host controller driver 报错如下：
# insmod zd1211b.ko
ZD1211B - version 2.15.0.0
vendor_id = 0ace
product_id = 1211
USB 1.1 Host
Release Ver = 4330
EEPORM Ver = 4810
Finsih download Firmware. Ready to reboot
Finsih download Firmware. Ready to reboot
Finsih download Firmware. Ready to reboot
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
Time out!!! Ack: 1 10 0x8
无线网卡及驱动在s3c2410上正常。用的是2.6.15.1的内核，ARM926EJ的处理器。请指点。