Am Montag, 23. Januar 2012, 18:33:41 schrieb Dan Williams: > So the Pantech UML290 has the following layout: > > 0 (2/2/1): CDC-ACM for AT commands > 1 (10/0/0): CDC-DATA for interface 0 > 2 (ff/ff/ff): Qualcomm DIAG > 3 (ff/fd/ff): NMEA > 4 (ff/fe/ff): Pantech WMC > 5 (ff/f0/ff): RMNET/QMI port > > Interface 5 is obviously the one we want here. And the WDM driver is > only looking for certain descriptors. Do we hack CDC-WDM and qmi_wwan > up for these types of devices? > > Second, on Gobi devices, we have four USB interfaces, all FF/FF/FF. > Intf 0 and 2 have interrupt endpoints. One of them is a DIAG interface, > one is NMEA, and the other two are AT and RMNET/QMI. > > I think so far the Huawei device is the only one that I've seen that > exposes descriptors that are quasi-CDC at all. How should we handle the > rest of these? As long as they speak the same protocol, we have no way but to code them hard into cdc-wdm as special cases. They have to be special cases as it is unpredictable what interface to talk to. So we can just as well keep the code in a single driver. Regards Oliver -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
