Disable broken xhci device before suspend and avoid freeze.

system-sleep-xhci.sh

#!/bin/bash
# 
# 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

if [[ "${1}" == "suspend" ]]; then
  # Do the thing you want before suspend here, e.g.:
  mapfile -t array < <( grep 'XHC.*enable' /proc/acpi/wakeup | cut -d ' ' -f 1 )
  for i in "${array[@]}"; do
      printf '%s' "$i" > /proc/acpi/wakeup
      printf '%s' "$i" >> /tmp/systemd_suspend_test
  done
  printf "Disable broken xhci module before suspending at %s...\n" "$(date)" >> /tmp/systemd_suspend_test
fi
if [[ "${1}" == "resume" ]]; then
  # Do the thing you want after resume here, e.g.:
  mapfile -t array < <( grep 'XHC.*disabled' /proc/acpi/wakeup | cut -d ' ' -f 1 )
  for i in "${array[@]}"; do
      printf '%s' "$i" > /proc/acpi/wakeup
      printf '%s' "$i" >> /tmp/systemd_suspend_test
  done
  printf "Enable broken xhci module at wakeup from %s\n" "$(date)" >> /tmp/systemd_suspend_test
fi

xhci-sleep.service

# xhci suspend/resume service
# Samantha McVey 2019 CC0

[Unit]
Description=Disables XHCI suspend before sleep
Before=sleep.target
After=tlp-sleep.service
StopWhenUnneeded=yes

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/home/samantha/bin/system-sleep-xhci.sh suspend
ExecStop=/home/samantha/bin/system-sleep-xhci.sh resume

[Install]
WantedBy=sleep.target