From: Bjørn Mork <bjorn@xxxxxxx> Date: Mon, 10 Oct 2016 21:12:49 +0200 > The Quectel EC21 and EC25 need the same "set DTR" request as devices > based on the MDM9230 chipset, but has no USB3 support. Our best guess > is that the "set DTR" functionality depends on chipset and/or > baseband firmware generation. But USB3 is still an optional feature. > > Since we cannot enable this unconditionally for all older devices, and > there doesn't appear to be anything we can use in the USB descriptors > to identify these chips, we are forced to use a device specific quirk > flag. > > Reported-and-tested-by: Sebastian Sjoholm <sebastian.sjoholm@xxxxxxxxx> > Signed-off-by: Bjørn Mork <bjorn@xxxxxxx> Applied. -- 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
