Disable usb2.0 power saving

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disable usb2.0 power saving in linux

The kernel has support for USB 2.0 power saving feature

To disable it after you have booted, you can try


echo 1 > /sys/bus/usb/devices/your-USB-device/power/autosuspend

echo "on" > /sys/bus/usb/devices/your-USB-device/power/level