dt_binding_check not reporting all errors

[Michal Simek <michal.simek@xxxxxxx>]

Hi,

last week I found that dt_binding_check is not checking all errors with 
compatible string and I have no idea why. I have used 3 systems and behavior is 
pretty much the same.
I am on the top of 6.3 kernel with
dt-validate -V
2023.5.dev3+g31cc52ae483e

And here is the behavior.
Two compatible string I see errors but if I break only one compatible string I 
can't see erros. Not sure if this is issue with dt binding document or with host 
PC setup. Definitely thank you for any hint what to check.

Thanks,
Michal


[linux](master)$ vim Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
[linux](master)$ git diff
diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
index 098b73134a1b..fbd9754ab0a3 100644
--- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
@@ -110,7 +110,7 @@ examples:
         usb@0 {
             #address-cells = <0x2>;
             #size-cells = <0x2>;
-            compatible = "xlnx,zynqmp-dwc3";
+            compatible = "xlnx,zynqmp-dwc32", "xlnx,zynqmp-dwc3";
             reg = <0x0 0xff9d0000 0x0 0x100>;
             clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
             clock-names = "bus_clk", "ref_clk";
[linux](master)$ make 
DT_SCHEMA_FILES=Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
dt_binding_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTEX    Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dts
  DTC_CHK Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb
/dev/shm/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: 
usb@0: compatible:0: 'xlnx,zynqmp-dwc32' is not one of ['xlnx,zynqmp-dwc3', 
'xlnx,versal-dwc3']
	From schema: /dev/shm/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
/dev/shm/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb: 
usb@0: compatible: ['xlnx,zynqmp-dwc32', 'xlnx,zynqmp-dwc3'] is too long
	From schema: /dev/shm/linux/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml



[linux](master)$ vim Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
[linux](master)$ git diff Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
index 098b73134a1b..0b8985bf9b0b 100644
--- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
@@ -110,7 +110,7 @@ examples:
         usb@0 {
             #address-cells = <0x2>;
             #size-cells = <0x2>;
-            compatible = "xlnx,zynqmp-dwc3";
+            compatible = "xlnx,zynqmp-dwc32";
             reg = <0x0 0xff9d0000 0x0 0x100>;
             clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
             clock-names = "bus_clk", "ref_clk";
[linux](master)$ make 
DT_SCHEMA_FILES=Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
dt_binding_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTEX    Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dts
  DTC_CHK Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb


[linux](master)$ vim Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
[linux](master)$ git diff Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
diff --git a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
index 098b73134a1b..b6d0d6930a32 100644
--- a/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
+++ b/Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml
@@ -110,7 +110,7 @@ examples:
         usb@0 {
             #address-cells = <0x2>;
             #size-cells = <0x2>;
-            compatible = "xlnx,zynqmp-dwc3";
+            compatible = "xlnx,ffdzynqmp-dwc3";
             reg = <0x0 0xff9d0000 0x0 0x100>;
             clocks = <&zynqmp_clk USB0_BUS_REF>, <&zynqmp_clk USB3_DUAL_REF>;
             clock-names = "bus_clk", "ref_clk";
[linux](master)$ make 
DT_SCHEMA_FILES=Documentation/devicetree/bindings/usb/dwc3-xilinx.yaml 
dt_binding_check
  LINT    Documentation/devicetree/bindings
  CHKDT   Documentation/devicetree/bindings/processed-schema.json
  SCHEMA  Documentation/devicetree/bindings/processed-schema.json
  DTEX    Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dts
  DTC_CHK Documentation/devicetree/bindings/usb/dwc3-xilinx.example.dtb