On 07/03/2024 15:58, Justin Swartz wrote: > Hi Krzysztof > > On 2024-03-07 10:01, Krzysztof Kozlowski wrote: >> On 06/03/2024 21:21, Justin Swartz wrote: >>> Add default #address-cells and #size-cells properties to usb0, >>> suitable for hubs and devices without explicitly declared >>> interface nodes, as: >>> >>> "#address-cells": >>> description: should be 1 for hub nodes with device nodes, >>> should be 2 for device nodes with interface nodes. >>> enum: [1, 2] >>> >>> "#size-cells": >>> const: 0 >>> >>> -- from Documentation/devicetree/bindings/usb/usb-device.yaml >>> >>> Signed-off-by: Justin Swartz <justin.swartz@xxxxxxxxxxxxxxxx> >>> --- >>> arch/mips/boot/dts/ralink/mt7621.dtsi | 3 +++ >>> 1 file changed, 3 insertions(+) >>> >>> diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi >>> b/arch/mips/boot/dts/ralink/mt7621.dtsi >>> index 2069249c8..f02965db1 100644 >>> --- a/arch/mips/boot/dts/ralink/mt7621.dtsi >>> +++ b/arch/mips/boot/dts/ralink/mt7621.dtsi >>> @@ -309,6 +309,9 @@ usb: usb@1e1c0000 { >>> >>> interrupt-parent = <&gic>; >>> interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>; >>> + >>> + #address-cells = <1>; >>> + #size-cells = <0>; >> >> Doesn't this bring new W=1 warnings? > > For a fresh build (make O=build clean; make O=build W=1): I do not make dtbs W=1 is enough > receive any warnings regarding mt7621.dtsi or my board's .dts file. I I meant for other boards due to unnecessary address/size cells, but if you checked it is fine. Best regards, Krzysztof