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    SubjectRe: [Bug 10868] Oops on loading ipaq module since 2.6.26, prevents use of device
    Date
    Am Montag 07 Juli 2008 20:16:02 schrieb Matthias Geissert:
    > Am Donnerstag, 3. Juli 2008 16:08:44 schrieb Oliver Neukum:
    >
    >
    > > > .num_interrupt_in = NUM_DONT_CARE,
    > > > - .num_bulk_in = 1,
    > > > - .num_bulk_out = 1,
    > > > - .num_ports = 1,
    > > > + .num_bulk_in = NUM_DONT_CARE,
    > > > + .num_bulk_out = NUM_DONT_CARE,
    > >
    > > This is good.
    > >
    > > > + .num_ports = 2,
    > >
    > > This is fatal.
    >
    > I checked what you said with kernel 2.6.26 rc9. I set num_ports to 5. It
    > worked quite well until I tried to connect to a non-existing endpoint.
    >
    > However, the problem is that the Yakumo Delta needs to connect to the 2nd
    > endpoint. You can connect to the first one but you don't get any data.
    >
    > Is there any good way to tell the ipaq driver to use the 2nd endpoint? Maybe
    > one could provide a different struct usb_serial_driver ipaq_device depending
    > on the usb id or an option which tells the driver to use 2 endpoints.

    If only these devices have a second input endpoint, we can detect that
    in attach().

    Regards
    Oliver


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