usb modem on ppoa

Hi everybody I d like to know if it is possible to connect on ppoA (not ppoE) whith an usb adsl modem (alcatel speed touch), i've seen that kernel 2.2.18 and 2.4.2 support usb but i don' t know if : 1/ they support hot plugging 2/ the driver for linux provided by alcatel and J. verrept will work on a linux-ppc box does anyone know that? thx a lot aurélien