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path: root/drivers/net/usb/usbnet.c
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Diffstat (limited to 'drivers/net/usb/usbnet.c')
-rw-r--r--drivers/net/usb/usbnet.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fc9f578a1e25..cb04f900cc46 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1158,6 +1158,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
usb_anchor_urb(urb, &dev->deferred);
/* no use to process more packets */
netif_stop_queue(net);
+ usb_put_urb(urb);
spin_unlock_irqrestore(&dev->txq.lock, flags);
netdev_dbg(dev->net, "Delaying transmission for resumption\n");
goto deferred;
@@ -1310,6 +1311,8 @@ void usbnet_disconnect (struct usb_interface *intf)
cancel_work_sync(&dev->kevent);
+ usb_scuttle_anchored_urbs(&dev->deferred);
+
if (dev->driver_info->unbind)
dev->driver_info->unbind (dev, intf);
@@ -1588,10 +1591,27 @@ int usbnet_resume (struct usb_interface *intf)
tasklet_schedule (&dev->bh);
}
}
+
+ if (test_and_clear_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags))
+ usb_autopm_get_interface_no_resume(intf);
+
return 0;
}
EXPORT_SYMBOL_GPL(usbnet_resume);
+/*
+ * Either a subdriver implements manage_power, then it is assumed to always
+ * be ready to be suspended or it reports the readiness to be suspended
+ * explicitly
+ */
+void usbnet_device_suggests_idle(struct usbnet *dev)
+{
+ if (!test_and_set_bit(EVENT_DEVICE_REPORT_IDLE, &dev->flags)) {
+ dev->intf->needs_remote_wakeup = 1;
+ usb_autopm_put_interface_async(dev->intf);
+ }
+}
+EXPORT_SYMBOL(usbnet_device_suggests_idle);
/*-------------------------------------------------------------------------*/