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Message-ID: <20171202155204.7691-15-alexander.levin@verizon.com> Date: Sat, 2 Dec 2017 15:52:20 +0000 From: alexander.levin@...izon.com To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "stable@...r.kernel.org" <stable@...r.kernel.org> Cc: Johan Hovold <johan@...nel.org>, Rob Herring <robh@...nel.org>, alexander.levin@...izon.com Subject: [PATCH AUTOSEL for 4.9 15/33] dt-bindings: usb: fix reg-property port-number range From: Johan Hovold <johan@...nel.org> [ 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@...nel.org> Signed-off-by: Rob Herring <robh@...nel.org> Signed-off-by: Sasha Levin <alexander.levin@...izon.com> --- Documentation/devicetree/bindings/usb/usb-device.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/usb/usb-device.txt b/Documentation/devicetree/bindings/usb/usb-device.txt index 1c35e7b665e1..03ab8f5eab40 100644 --- 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: -- 2.11.0
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