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-rw-r--r--drivers/net/usb/cdc_eem.c4
-rw-r--r--drivers/net/usb/usbnet.c17
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c
index 434d5af..c81e278 100644
--- a/drivers/net/usb/cdc_eem.c
+++ b/drivers/net/usb/cdc_eem.c
@@ -244,8 +244,12 @@ static int eem_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
* - suspend: peripheral ready to suspend
* - response: suggest N millisec polling
* - response complete: suggest N sec polling
+ *
+ * Suspend is reported and maybe heeded.
*/
case 2: /* Suspend hint */
+ usbnet_device_suggests_idle(dev);
+ continue;
case 3: /* Response hint */
case 4: /* Response complete hint */
continue;
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index fc9f578..f9819d1 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1588,10 +1588,27 @@ 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);
/*-------------------------------------------------------------------------*/