35 lines
1.1 KiB
Diff
35 lines
1.1 KiB
Diff
From ed73c96e313c549f710df58c8fbe47200ee13df1 Mon Sep 17 00:00:00 2001
|
|
From: Bhushan Shah <bshah@kde.org>
|
|
Date: Sat, 10 Apr 2021 08:52:05 +0530
|
|
Subject: [PATCH 5/5] net: usb: qmi_wwan: set the DTR when resuming
|
|
|
|
If usb device does reset_resume instead of unbind/bind, we need to
|
|
re-enable the DTR quirk, that way after resuming connection QMI
|
|
communication between host and modem is possible again.
|
|
|
|
Signed-off-by: Bhushan Shah <bshah@kde.org>
|
|
Tested-by: Dalton Durst <d@ltondur.st>
|
|
---
|
|
drivers/net/usb/qmi_wwan.c | 5 +++++
|
|
1 file changed, 5 insertions(+)
|
|
|
|
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
|
|
index cd6ae9696b56a..ada94a3242146 100644
|
|
--- a/drivers/net/usb/qmi_wwan.c
|
|
+++ b/drivers/net/usb/qmi_wwan.c
|
|
@@ -855,6 +855,11 @@ static int qmi_wwan_reset_resume(struct usb_interface *intf)
|
|
ret = usbnet_resume(intf);
|
|
if (ret < 0 && callsub)
|
|
info->subdriver->suspend(intf, PMSG_SUSPEND);
|
|
+
|
|
+ if (dev->driver_info->data & QMI_WWAN_QUIRK_DTR ||
|
|
+ le16_to_cpu(dev->udev->descriptor.bcdUSB) >= 0x0201) {
|
|
+ qmi_wwan_change_dtr(dev, true);
|
|
+ }
|
|
err:
|
|
return ret;
|
|
}
|
|
--
|
|
2.31.1
|
|
|