Disable broken xhci device before suspend and avoid freeze.

system-sleep-xhci.sh

#!/bin/sh
#
# This script should prevent the following suspend errors
#  which freezes the Dell Inspiron laptop.
#
# Put it in /usr/lib/systemd/system-sleep/xhci.sh
#
# The PCI 00:14.0 device is the usb xhci controller.
#
#    kernel: [67445.560610] pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -16
#    kernel: [67445.560619] dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -16
#    kernel: [67445.560624] PM: Device 0000:00:14.0 failed to suspend async: error -16
#    kernel: [67445.886961] PM: Some devices failed to suspend, or early wake event detected
#
# Source https://gist.github.com/ioggstream/8f380d398aef989ac455b93b92d42048
# Source https://askubuntu.com/questions/1089067/wakes-from-suspend-immediately-when-bluetooth-device-disconnected/1092933

LOGFILE=/tmp/systemd_suspend_force.log
TEMPFILE=/tmp/systemd_suspend_force.save

case "${1}" in
  pre)

    # Reset files
    echo -n > $LOGFILE
    echo -n > $TEMPFILE

    # Do the thing you want before suspend here, e.g.:
    echo "[$(date)] Disable broken xhci module before suspending" >> $LOGFILE
    grep XHC.*enable /proc/acpi/wakeup && echo XHC > /proc/acpi/wakeup

    for dev in $(ls /sys/bus/pci/drivers/xhci_hcd/ | grep -E '[0-9a-z]+:[0-9a-z]+:.*$'); do
      echo "[$(date)] Unbind xhci_hcd for first device ${dev}" >> $LOGFILE
      echo -n "$dev" | tee /sys/bus/pci/drivers/xhci_hcd/unbind
      echo "$dev" >> $TEMPFILE
    done

  ;;

  post)

    # Do the thing you want after resume here, e.g.:
    echo "[$(date)] Enable broken xhci module at wakeup" >> $LOGFILE
    grep XHC.*disable /proc/acpi/wakeup && echo XHC > /proc/acpi/wakeup

    for dev in $(cat $TEMPFILE); do
      echo "[$(date)] Bind xhci_hcd for first device ${dev}" >> $LOGFILE
      echo -n "$dev" | tee /sys/bus/pci/drivers/xhci_hcd/bind
    done

  ;;
esac