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path: root/drivers/usb/core/hub.c
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Diffstat (limited to 'drivers/usb/core/hub.c')
-rw-r--r--drivers/usb/core/hub.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fdb62ca10d8..b98efae6a1c 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1803,9 +1803,15 @@ int usb_new_device(struct usb_device *udev)
1803 1803
1804 /* Tell the runtime-PM framework the device is active */ 1804 /* Tell the runtime-PM framework the device is active */
1805 pm_runtime_set_active(&udev->dev); 1805 pm_runtime_set_active(&udev->dev);
1806 pm_runtime_get_noresume(&udev->dev);
1806 pm_runtime_use_autosuspend(&udev->dev); 1807 pm_runtime_use_autosuspend(&udev->dev);
1807 pm_runtime_enable(&udev->dev); 1808 pm_runtime_enable(&udev->dev);
1808 1809
1810 /* By default, forbid autosuspend for all devices. It will be
1811 * allowed for hubs during binding.
1812 */
1813 usb_disable_autosuspend(udev);
1814
1809 err = usb_enumerate_device(udev); /* Read descriptors */ 1815 err = usb_enumerate_device(udev); /* Read descriptors */
1810 if (err < 0) 1816 if (err < 0)
1811 goto fail; 1817 goto fail;
@@ -1831,6 +1837,8 @@ int usb_new_device(struct usb_device *udev)
1831 } 1837 }
1832 1838
1833 (void) usb_create_ep_devs(&udev->dev, &udev->ep0, udev); 1839 (void) usb_create_ep_devs(&udev->dev, &udev->ep0, udev);
1840 usb_mark_last_busy(udev);
1841 pm_runtime_put_sync_autosuspend(&udev->dev);
1834 return err; 1842 return err;
1835 1843
1836fail: 1844fail:
@@ -2221,6 +2229,7 @@ int usb_port_suspend(struct usb_device *udev, pm_message_t msg)
2221 usb_set_device_state(udev, USB_STATE_SUSPENDED); 2229 usb_set_device_state(udev, USB_STATE_SUSPENDED);
2222 msleep(10); 2230 msleep(10);
2223 } 2231 }
2232 usb_mark_last_busy(hub->hdev);
2224 return status; 2233 return status;
2225} 2234}
2226 2235