This is a note to let you know that I've just added the patch titled dt-bindings: usb: fix reg-property port-number range to the 4.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: dt-bindings-usb-fix-reg-property-port-number-range.patch and it can be found in the queue-4.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From foo@baz Tue Dec 12 13:26:17 CET 2017 From: Johan Hovold <johan@xxxxxxxxxx> Date: Thu, 9 Nov 2017 18:07:17 +0100 Subject: dt-bindings: usb: fix reg-property port-number range From: Johan Hovold <johan@xxxxxxxxxx> [ Upstream commit f42ae7b0540937e00fe005812997f126aaac4bc2 ] The USB hub port-number range for USB 2.0 is 1-255 and not 1-31 which reflects an arbitrary limit set by the current Linux implementation. Note that for USB 3.1 hubs the valid range is 1-15. Increase the documented valid range in the binding to 255, which is the maximum allowed by the specifications. Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- Documentation/devicetree/bindings/usb/usb-device.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/Documentation/devicetree/bindings/usb/usb-device.txt +++ b/Documentation/devicetree/bindings/usb/usb-device.txt @@ -11,7 +11,7 @@ Required properties: be used, but a device adhering to this binding may leave out all except for usbVID,PID. - reg: the port number which this device is connecting to, the range - is 1-31. + is 1-255. Example: Patches currently in stable-queue which might be from johan@xxxxxxxxxx are queue-4.9/dt-bindings-usb-fix-reg-property-port-number-range.patch