wpa_supplicant and hostap 0.4.4 on prism 2.5

[Gianko]

Jouni Malinen ha scritto:
> It is likely that the card you have has too old station firmware
> (version 1.7.x or newer is needed for WPA). If that is the case
> (see, e.g., dmesg output for STA f/w version), you would need to
> update the firmware to be able to use WPA.
You're right, I've 1.3.6 firmware version

# dmesg | grep STA
[20497.108000] wifi0: STA: id=0x1f v1.3.6

I found this:
http://lists.shmoo.com/pipermail/hostap/2003-March/001746.html
Can I follow the same way to upgrade firmware?

gianko