This patchset enables hard wired hub device to use different bInterval from its descriptor when the hub has a combined device node. When we know the specific hard wired hub supports changing its polling interval, we can adjust hub's interval to reduce the time of waking up from autosuspend or connect detection of HIDs. Ikjoon Jang (2): dt-bindings: usb: add "hub,interval" property usb: overridable hub bInterval by device node Documentation/devicetree/bindings/usb/usb-device.txt | 4 ++++ drivers/usb/core/config.c | 6 ++++++ 2 files changed, 10 insertions(+) -- 2.24.0.432.g9d3f5f5b63-goog