> I have spend a lot of time but I succeed, I was able to found a solution
> for Linux 2.6.X kernel. The problem isn't in the speedtouch drivers but
> in the kernel.
Well done! However one could say that the problem is in modem_run.
The problem is that modem_run sets altsetting 1 on interface 1 then
exits. pppoax expects to see that altsetting. But when modem_run
exits it releases interface 1 which returns interface 1 to altsetting 0
(thanks to a change by Alan Stern (IIRC)). Then pppoax is run.
It needs altsetting 1 to work. I think the right solution is for pppoax
to set altsetting 1 on interface 1 itself. Just remove the test
if (alternate_ep != -1) {
in pppoa3.c, line 680 (untested).
Alan, what do you think? Is choosing altsetting 0 in usb_driver_release_interface
appropriate given that there are user space drivers around?
Ciao,
Duncan.
> To use the modem, you just need to modify one file :
> drivers/usb/core/usb.c
>
> In function "usb_driver_release_interface" (at line 327 in
> 2.6.1-rc1-mm1), you just need to comment :
>
> usb_set_interface(interface_to_usbdev(iface),
> ������������������������iface->altsetting[0].desc.bInterfaceNumber,
> ������������������������0);
>
>
> The full function :
>
> void usb_driver_release_interface(struct usb_driver *driver, struct
> usb_interface *iface)
> {
> ��������/* this should never happen, don't release something that's not ours */
> ��������if (!iface || !iface->driver || iface->driver != driver)
> ����������������return;
>
> ��������if (iface->dev.driver) {
> ����������������/* FIXME should be the ONLY case here */
> ����������������device_release_driver(&iface->dev);
> ����������������return;
> ��������}
>
> /*������usb_set_interface(interface_to_usbdev(iface),
> ������������������������iface->altsetting[0].desc.bInterfaceNumber,
> ������������������������0);*/
> ��������usb_set_intfdata(iface, NULL);
> ��������iface->driver = NULL;
> }
>
> Note:
> I think it will work on every kernel (tested on 2.6.0-test3 and on the
> lastest)
>
>
> Laurent
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