On Sat, 2016-03-12 at 20:30 -0800, Greg KH wrote: > On Sat, Mar 12, 2016 at 07:56:03PM -0800, bruce m beach wrote: > > I believe I can change the Device descriptors in firmware, > > upload the new firmware and reboot the stick but wouldn't > > the usb subsystem have the old device descriptor from the > > previous hotplug/system boot? > > Nope, the kernel reads the descriptor from the device when it is > connected, you can check this yourself by doing 'lsusb -v' when it is > plugged in. > > > If so then somehow I need to to tell the usb subsystem to re-request > > the device descriptor. kernel calls are okay. Any thoughts? > > No need to do anything in the kernel, all should be fine as long as your > firmware is correct. The firmware uploader may need to do a reset though. 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
