Signed-off-by: Lan Tianyu <tianyu....@intel.com>
---
 drivers/usb/core/port.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/core/port.c b/drivers/usb/core/port.c
index 0334d91..50b646e 100644
--- a/drivers/usb/core/port.c
+++ b/drivers/usb/core/port.c
@@ -215,7 +215,7 @@ int usb_hub_create_port_device(struct usb_hub *hub, int 
port1)
                pm_runtime_enable(&port_dev->dev);
 
        usb_acpi_register_power_resources(&port_dev->dev);
-
+       device_enable_async_suspend(&port_dev->dev);
        return 0;
 
 error_register:
-- 
1.7.9.5

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