This is an info from Embwise:
We have the Socket P500 CF-WLAN Linux driver tested and validated on the
Zaurus SL-C3000 PDA,apart from other Host processor Development
hardware.However,the driver is not opensource and we are authorized to
provide the driver only in Binary.We license the binary driver to
customers.We ofcourse can do the build for any Linux kernel
versions/releases and test,before we ship the driver.