On Wed, Nov 17, 2021 at 8:36 AM Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx> wrote: > > On Wed, Oct 27, 2021 at 04:02:23PM -0400, ferlandm@xxxxxxxxx wrote: > > From: Marc Ferland <ferlandm@xxxxxxxxx> > > > > Add device id for the Sierra Wireless XM1210 Multi-GNSS module. > > > > https://www.sierrawireless.com/iot-solutions/products/xm1210/ > > > > $ lsusb -vd 1199:b000 > > > > Bus 002 Device 003: ID 1199:b000 Sierra Wireless, Inc. Sierra Wireless_GNSS > > Why doesn't this device work with the qcserial.c driver instead? Have > you tried that? > I just tried adding the USB_ID to the qcserial driver and it fails with -ENODEV. Looking at the code it seems qcserial only supports the USB_CLASS_VENDOR_SPEC interface class and this device returns an interface class value of 0 (reserved?): $ lsusb -vd 1199:b000 | grep bInterfaceClass bInterfaceClass 0 Thanks, Marc
