Am 30.10.2007 09:52 schrieb Oliver Neukum: > Am Montag 29 Oktober 2007 schrieb Tilman Schmidt:
>> --- a/drivers/isdn/gigaset/usb-gigaset.c 2007-10-23 01:48:12.000000000
>> +0200
>> +++ b/drivers/isdn/gigaset/usb-gigaset.c 2007-10-24 00:47:32.000000000
>> +0200
>> @@ -847,6 +859,63 @@ static void gigaset_disconnect(struct us
>> gigaset_unassign(cs);
>> }
>>
>> +/* gigaset_suspend
>> + * This function is called before the USB connection is suspended or reset.
>> + */
>> +static int gigaset_suspend(struct usb_interface *intf, pm_message_t message)
>> +{
>> + struct cardstate *cs;
>> + struct usb_cardstate *ucs;
>> + int rc;
>> +
>> + if ((cs = usb_get_intfdata(intf)) == NULL ||
>> + (ucs = cs->hw.usb) == NULL) {
>> + err("%s: no cardstate", __func__);
>> + return -EFAULT;
>> + }
>> +
>> + //FIXME stop common module activities? ISDN_STAT_STOP? block open()?
>> +
>> + /* stop submitting bulk URBs */
>> + tasklet_disable(&cs->write_tasklet);
>> +
>> + /* kill pending read URB */
>> + usb_kill_urb(ucs->read_urb);
>
> no pending write URB?
There shouldn't be. A read URB is always posted in case the device
sends anything, even while the device is idle, but a write URB is
only submitted if there's actual activity. But you're right, it's
safer to add a "usb_kill_urb(ucs->bulk_out_urb);" here just in case.
Thanks,
Tilman
--
Tilman Schmidt E-Mail: [EMAIL PROTECTED]
Bonn, Germany
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