linux-kernel - [PATCH for v4.9 LTS 47/87] net: usb: asix_devices: add .reset

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Date:   Sat, 15 Jul 2017 01:26:13 +0000
From:   "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Peter Chen <peter.chen@....com>,
        "David S . Miller" <davem@...emloft.net>,
        "Levin, Alexander (Sasha Levin)" <alexander.levin@...izon.com>
Subject: [PATCH for v4.9 LTS 47/87] net: usb: asix_devices: add .reset_resume
 for USB PM

From: Peter Chen <peter.chen@....com>

[ Upstream commit 63dfb0dac9055145db85ce764355aef2f563739a ]

The USB core may call reset_resume when it fails to resume asix device.
And USB core can recovery this abnormal resume at low level driver,
the same .resume at asix driver can work too. Add .reset_resume can
avoid disconnecting after backing from system resume, and NFS can
still be mounted after this commit.

Signed-off-by: Peter Chen <peter.chen@....com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/net/usb/asix_devices.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c
index dc7b6392e75a..50737def774c 100644
--- a/drivers/net/usb/asix_devices.c
+++ b/drivers/net/usb/asix_devices.c
@@ -1369,6 +1369,7 @@ static struct usb_driver asix_driver = {
 	.probe =	usbnet_probe,
 	.suspend =	asix_suspend,
 	.resume =	asix_resume,
+	.reset_resume =	asix_resume,
 	.disconnect =	usbnet_disconnect,
 	.supports_autosuspend = 1,
 	.disable_hub_initiated_lpm = 1,
-- 
2.11.0