It is tested and works,
# systemctl suspend
[ 144.218876] PM: Entering mem sleep
[ 144.219249] r8712u 2-3:1.0 wlp0s4f1u3: Suspending...
[ 144.219255] r8712u 2-3:1.0 wlp0s4f1u3: Unable to suspend
& RESUME
[ 146.844240] r8712u 2-3:1.0 wlp0s4f1u3: Resuming...
[ 146.844241] r8712u 2-3:1.0 wlp0s4f1u3: Unable to resume
[ 147.015962] PM: Finishing wakeup.
[ 154.029573] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 177.489082] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 200.499708] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 233.514654] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 276.498402] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 329.498037] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 392.507363] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 455.559545] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 518.540179] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
[ 581.533404] r8712u 2-3:1.0 wlp0s4f1u3: In r8711_wx_set_scan: bDriverStopped=1
~~~~~~~~~~~~~~
# nmcli device
DEVICE TYPE STATE CONNECTION
wlp0s4f1u3 wifi disconnected --
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/etc/systemd/system/r8712u-reload.service
[Unit]
Description=Reload rtl871x wireless lan driver after system resume
After=hibernate.target suspend.target hybrid-sleep.target
[Service]
Type=oneshot
ExecStart=/usr/sbin/modprobe -r r8712u
ExecStart=/usr/sbin/modprobe r8712u
[Install]
WantedBy=hibernate.target suspend.target hybrid-sleep.target
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# systemctl enable r8712u-reload.service
~~~~~~~~~~~~~~~~~~~
# systemctl suspend
[ 616.251430] PM: Entering mem sleep
[ 616.251962] r8712u 2-3:1.0 wlp0s4f1u3: Suspending...
[ 616.251965] r8712u 2-3:1.0 wlp0s4f1u3: Unable to suspend
& RESUME
[ 619.008122] r8712u 2-3:1.0 wlp0s4f1u3: Resuming...
[ 619.008124] r8712u 2-3:1.0 wlp0s4f1u3: Unable to resume
[ 619.195001] PM: Finishing wakeup.
[ 620.073126] usb 2-3: reset high-speed USB device number 3 using ehci-pci
[ 620.209187] r8712u: module is from the staging directory, the quality is unknown, you have been warned.
[ 620.209785] r8712u: Staging version
[ 620.209802] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 620.209807] usb 2-3: r8712u: USB_SPEED_HIGH with 4 endpoints
[ 620.210253] usb 2-3: r8712u: Boot from EFUSE: Autoload OK
[ 620.583476] usb 2-3: r8712u: CustomerID = 0x0000
[ 620.583489] usb 2-3: r8712u: MAC Address from efuse = 00:01:02:03:04:05
[ 620.583498] usb 2-3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
[ 620.584238] usbcore: registered new interface driver r8712u
[ 620.589721] r8712u 2-3:1.0 wlp0s4f1u3: renamed from wlan0
[ 627.183840] r8712u 2-3:1.0 wlp0s4f1u3: 1 RCR=0x153f00e
[ 627.184345] r8712u 2-3:1.0 wlp0s4f1u3: 2 RCR=0x553f00e
[ 627.288231] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
[ 627.592219] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
[ 627.896222] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
[ 628.201217] IPv6: ADDRCONF(NETDEV_UP): wlp0s4f1u3: link is not ready
[ 648.740663] IPv6: ADDRCONF(NETDEV_CHANGE): wlp0s4f1u3: link becomes ready
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# nmcli device
DEVICE TYPE STATE CONNECTION
wlp0s4f1u3 wifi connected AP
but is there a better way to do it?
poma