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-rw-r--r--drivers/usb/core/quirks.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 7f17d0fd76c..ebf3dc20110 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -152,4 +152,10 @@ void usb_detect_quirks(struct usb_device *udev)
/* do any special quirk handling here if needed */
if (udev->quirks & USB_QUIRK_NO_AUTOSUSPEND)
usb_autosuspend_quirk(udev);
+
+ /* By default, disable autosuspend for all non-hubs */
+#ifdef CONFIG_USB_SUSPEND
+ if (udev->descriptor.bDeviceClass != USB_CLASS_HUB)
+ udev->autosuspend_delay = -1;
+#endif
}