ocp_write_word(tp, MCU_TYPE_USB, USB_MISC_0, ocp_data);
}
+static bool rtl_can_wakeup(struct r8152 *tp)
+{
+ struct usb_device *udev = tp->udev;
+
+ return (udev->actconfig->desc.bmAttributes & USB_CONFIG_ATT_WAKEUP);
+}
+
static void rtl_runtime_suspend_enable(struct r8152 *tp, bool enable)
{
if (enable) {
if (usb_autopm_get_interface(tp->intf) < 0)
return;
- mutex_lock(&tp->control);
-
- wol->supported = WAKE_ANY;
- wol->wolopts = __rtl_get_wol(tp);
-
- mutex_unlock(&tp->control);
+ if (!rtl_can_wakeup(tp)) {
+ wol->supported = 0;
+ wol->wolopts = 0;
+ } else {
+ mutex_lock(&tp->control);
+ wol->supported = WAKE_ANY;
+ wol->wolopts = __rtl_get_wol(tp);
+ mutex_unlock(&tp->control);
+ }
usb_autopm_put_interface(tp->intf);
}
struct r8152 *tp = netdev_priv(dev);
int ret;
+ if (!rtl_can_wakeup(tp))
+ return -EOPNOTSUPP;
+
ret = usb_autopm_get_interface(tp->intf);
if (ret < 0)
goto out_set_wol;
goto out1;
}
+ if (!rtl_can_wakeup(tp))
+ __rtl_set_wol(tp, 0);
+
tp->saved_wolopts = __rtl_get_wol(tp);
if (tp->saved_wolopts)
device_set_wakeup_enable(&udev->dev, true);