On 27/04/2022 04:36, Rob Herring wrote: > On Sat, Apr 23, 2022 at 5:46 AM Krzysztof Kozlowski > <krzysztof.kozlowski@xxxxxxxxxx> wrote: >> >> Hi Rob, >> >> Dmitry pointed out interesting issue when writing PCI schema. Consider >> the patch for Exynos PCI schema (which includes SNPS schema and >> unevaluatedProperties:false): >> https://pastebin.ubuntu.com/p/4SzxVP4N3j/ >> >> This passes `make dt_binding_check >> DT_SCHEMA_FILES=Documentation/devicetree/bindings/pci/` without a >> problem. It should not. The property is nowhere described, so >> unevaluatedProperties should scream. >> >> Other bindings using unevaluated:false and some ref, also has this >> issue. The additionalProperties:false (when there is no ref for other >> schema) works correct. > > This is because I never committed the fix for all this which explains the issue: > > dtschema: Strip 'additionalProperties: true' from schemas > > An 'additionalProperties: true' makes all properties evaluated, so an > 'unevaluatedProperties: false' schema doesn't work when referencing a > schema with 'additionalProperties: true'. > > Really, 'additionalProperties: true' should be dropped, but it is used as > a flag for common schemas which are usually incomplete and included by > device specific schemas. Removing it would mean dropping the meta-schema > requiring either 'additionalProperties' or 'unevaluatedProperties'. > > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> > > Since snps,dw-pcie.yaml defines 'additionalProperties: true', > everything is evaluated... Thanks for explanation. > > This fix needed schema fixes to land before I committed this, but it > was the end of the year and I guess I forgot about it. Now, it looks > like we have more to fix. :( 25 to be exact: > > Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.example.dtb: > audio-subsystem@11400000: dma-controller@11420000: Unevaluated > properties are not allowed ('#dma-channels', '#dma-requests', > 'power-domains' were unexpected) I'll fix the power-domains, but dma-channels/dma-requests should not fail. This should be accepted through: arm,pl330.yaml -> dma-controller.yaml -> dma-common.yaml > Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.example.dtb: > dma-controller@11420000: Unevaluated properties are not allowed > ('#dma-channels', '#dma-requests', 'power-domains' were unexpected) > Documentation/devicetree/bindings/ufs/ti,j721e-ufs.example.dtb: > ufs-wrapper@4e80000: ufs@4000: Unevaluated properties are not allowed > ('power-domains' was unexpected) > Documentation/devicetree/bindings/ufs/ti,j721e-ufs.example.dtb: > ufs-wrapper@4e80000: ufs@4000: Unevaluated properties are not allowed > ('power-domains' was unexpected) > Documentation/devicetree/bindings/ufs/ti,j721e-ufs.example.dtb: > ufs@4000: Unevaluated properties are not allowed ('power-domains' was > unexpected) I'll fix it. > Documentation/devicetree/bindings/display/bridge/ingenic,jz4780-hdmi.example.dtb: > hdmi@10180000: Unevaluated properties are not allowed ('ddc-i2c-bus' > was unexpected) > Documentation/devicetree/bindings/net/mctp-i2c-controller.example.dtb: > i2c-mux: i2c@1: Unevaluated properties are not allowed > ('mctp-controller' was unexpected) > Documentation/devicetree/bindings/net/mediatek-dwmac.example.dtb: > ethernet@1101c000: Unevaluated properties are not allowed > ('power-domains' was unexpected) > Documentation/devicetree/bindings/net/wireless/mediatek,mt76.example.dtb: > wifi@18000000: Unevaluated properties are not allowed ('reset-names' > was unexpected) > Documentation/devicetree/bindings/net/cdns,macb.example.dtb: > ethernet@ff0c0000: Unevaluated properties are not allowed > ('#stream-id-cells' was unexpected) > Documentation/devicetree/bindings/net/dsa/microchip,ksz.example.dtb: > switch@0: Unevaluated properties are not allowed ('reg', > 'spi-max-frequency' were unexpected) > Documentation/devicetree/bindings/net/dsa/microchip,ksz.example.dtb: > switch@1: Unevaluated properties are not allowed ('reg', > 'spi-max-frequency' were unexpected) > Documentation/devicetree/bindings/net/dsa/realtek.example.dtb: > switch@29: Unevaluated properties are not allowed ('reg' was > unexpected) > Documentation/devicetree/bindings/pci/apple,pcie.example.dtb: > pcie@690000000: Unevaluated properties are not allowed > ('power-domains' was unexpected) > Documentation/devicetree/bindings/pci/socionext,uniphier-pcie.example.dtb: > pcie@66000000: Unevaluated properties are not allowed > ('legacy-interrupt-controller' was unexpected) > Documentation/devicetree/bindings/mtd/mxc-nand.example.dtb: > nand-controller@d8000000: Unevaluated properties are not allowed > ('nand-bus-width', 'nand-ecc-mode' were unexpected) > Documentation/devicetree/bindings/mtd/ingenic,nand.example.dtb: > nand-controller@1: Unevaluated properties are not allowed > ('ingenic,nemc-tAS', 'ingenic,nemc-tAH', 'ingenic,nemc-tBP', > 'ingenic,nemc-tAW', 'ingenic,nemc-tSTRV' were unexpected) > Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.example.dtb: > mmc@84b0000: Unevaluated properties are not allowed ('interrupt-names' > was unexpected) > Documentation/devicetree/bindings/mmc/brcm,sdhci-brcmstb.example.dtb: > mmc@84b1000: Unevaluated properties are not allowed ('interrupt-names' > was unexpected) > Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: usb@0: > usb@fe200000: Unevaluated properties are not allowed ('dma-coherent' > was unexpected) > Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: > usb@fe200000: Unevaluated properties are not allowed ('dma-coherent' > was unexpected) > Documentation/devicetree/bindings/spi/snps,dw-apb-ssi.example.dtb: > flash@1: Unevaluated properties are not allowed ('rx-sample-delay-ns' > was unexpected) > Documentation/devicetree/bindings/spi/microchip,mpfs-spi.example.dtb: > spi@20108000: Unevaluated properties are not allowed > ('spi-max-frequency' was unexpected) > Documentation/devicetree/bindings/spi/nvidia,tegra210-quad.example.dtb: > flash@0: Unevaluated properties are not allowed > ('nvidia,tx-clk-tap-delay', 'nvidia,rx-clk-tap-delay' were unexpected) > Documentation/devicetree/bindings/spi/samsung,spi.example.dtb: > audio-codec@0: Unevaluated properties are not allowed > ('spi-max-frequency', 'controller-data' were unexpected) I'll fix the audio-codec. Best regards, Krzysztof
