I tested with the AX88179 usb dongle, if without .reset_resume hook,
after S3/S4 resume you have to enable network interface or reload the
dirver module manually otherwise the network interface can not work.

Signed-off-by: David Chang <dch...@suse.com>
---
 drivers/net/usb/ax88179_178a.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/ax88179_178a.c b/drivers/net/usb/ax88179_178a.c
index 7ce243b..1e3c302 100644
--- a/drivers/net/usb/ax88179_178a.c
+++ b/drivers/net/usb/ax88179_178a.c
@@ -1433,6 +1433,7 @@ static struct usb_driver ax88179_178a_driver = {
        .probe =        usbnet_probe,
        .suspend =      ax88179_suspend,
        .resume =       ax88179_resume,
+       .reset_resume = ax88179_resume,
        .disconnect =   usbnet_disconnect,
        .supports_autosuspend = 1,
        .disable_hub_initiated_lpm = 1,
-- 
1.8.1.4

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