On 15/05/2024 23:44, Jiaxun Yang wrote: > > > 在2024年5月14日五月 上午10:11,Krzysztof Kozlowski写道: >> On 14/05/2024 11:08, Krzysztof Kozlowski wrote: >>> On 13/05/2024 20:58, Jiaxun Yang wrote: >>>> This compatible has been used in arch/mips/boot/dts/img/boston.dts >>>> for a while but never documented properly. >>>> >>>> Add it to simple syscon binding. >>>> >>>> Signed-off-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx> >>>> --- >>>> Documentation/devicetree/bindings/mfd/syscon.yaml | 1 + >>> >>> It is documented in clock/img,boston-clock.txt. Please fix/convert/work >>> on that. >> >> No, that's different device. >> >> Anyway, this is wrong - does no work with your second patch. Please test >> them before sending. > > Hi Krzysztof, > > Do you mind telling dumb as me how to test bindings properly? > > I tried to run make check_dtbs after applying this patch and that's all > the warnings I got: > ``` > arch/mips/boot/dts/img/boston.dtb: Warning (interrupt_map): Failed prerequisite 'interrupt_provider' > /home/flygoat/linux-next/arch/mips/boot/dts/img/boston.dtb: /: 'model' is a required property > from schema $id: http://devicetree.org/schemas/root-node.yaml# > arch/mips/boot/dts/img/boston.dtb: /: failed to match any schema with compatible: ['img,boston'] > arch/mips/boot/dts/img/boston.dtb: /cpus/cpu@0: failed to match any schema with compatible: ['img,mips'] > arch/mips/boot/dts/img/boston.dtb: /system-controller@17ffd000/clock: failed to match any schema with compatible: ['img,boston-clock'] > /home/flygoat/linux-next/arch/mips/boot/dts/img/boston.dtb: uart@17ffe000: $nodename:0: 'uart@17ffe000' does not match '^serial(@.*)?$' > from schema $id: http://devicetree.org/schemas/serial/8250.yaml# > ``` > > I think there is no new warning introduced by this patch. > Did I miss anything here? Indeed there might be no warning for this, because syscon allows a lot, including children. You need custom binding anyway. Best regards, Krzysztof