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Date: Wed, 8 Dec 2021 20:08:33 -0500
From: "Gabriel L. Somlo" <gsomlo@...il.com>
To: Rob Herring <robh@...nel.org>
Cc: linux-kernel@...r.kernel.org, kgugala@...micro.com,
mdudek@...ernships.antmicro.com, rdunlap@...radead.org,
paulus@...abs.org, joel@....id.au, geert@...ux-m68k.org,
david.abdurachmanov@...ive.com, florent@...oy-digital.fr,
linux-mmc@...r.kernel.org, shorne@...il.com,
devicetree@...r.kernel.org, robh+dt@...nel.org,
krakoczy@...micro.com, ulf.hansson@...aro.org,
mholenko@...micro.com
Subject: Re: [PATCH v3 2/3] dt-bindings: mmc: Add bindings for LiteSDCard
On Wed, Dec 08, 2021 at 05:06:46PM -0600, Rob Herring wrote:
> On Wed, 08 Dec 2021 08:20:41 -0500, Gabriel Somlo wrote:
> > LiteSDCard is a small footprint, configurable SDCard core for FPGA
> > based system on chips.
> >
> > Signed-off-by: Gabriel Somlo <gsomlo@...il.com>
> > Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> > ---
> >
> > New in v3:
> > - picked up r/b Geert Uytterhoeven <geert@...ux-m68k.org> in DT
> > bindings document (please let me know if that was premature, and
> > happy to take further review if needed :)
> > - add dedicated DT property for source clock frequency
> >
> > .../devicetree/bindings/mmc/litex,mmc.yaml | 72 +++++++++++++++++++
> > 1 file changed, 72 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/mmc/litex,mmc.yaml
> >
>
> My bot found errors running 'make DT_CHECKER_FLAGS=-m dt_binding_check'
> on your patch (DT_CHECKER_FLAGS is new in v5.13):
>
> yamllint warnings/errors:
>
> dtschema/dtc warnings/errors:
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mmc/litex,mmc.yaml: properties:reg-names:items: 'oneOf' conditional failed, one must be fixed:
> [{'const': 'phy'}, {'const': 'core'}, {'const': 'reader'}, {'const': 'writer'}, {'const': 'irq (optional)'}] is not of type 'object'
> 'irq (optional)' does not match '^[a-zA-Z0-9,.\\-_ #+/]+$'
> from schema $id: http://devicetree.org/meta-schemas/string-array.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mmc/litex,mmc.yaml: properties:reg: {'items': [{'description': 'PHY registers'}, {'description': 'CORE registers'}, {'description': 'DMA Reader buffer'}, {'description': 'DMA Writer buffer'}, {'description': 'IRQ registers (optional)'}], 'minItems': 4, 'maxItems': 5} should not be valid under {'required': ['maxItems']}
> hint: "maxItems" is not needed with an "items" list
> from schema $id: http://devicetree.org/meta-schemas/items.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mmc/litex,mmc.yaml: properties:reg-names: {'items': [{'const': 'phy'}, {'const': 'core'}, {'const': 'reader'}, {'const': 'writer'}, {'const': 'irq (optional)'}], 'minItems': 4, 'maxItems': 5} should not be valid under {'required': ['maxItems']}
> hint: "maxItems" is not needed with an "items" list
> from schema $id: http://devicetree.org/meta-schemas/items.yaml#
> /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mmc/litex,mmc.yaml: ignoring, error in schema: properties: reg-names: items
> warning: no schema found in file: ./Documentation/devicetree/bindings/mmc/litex,mmc.yaml
> Documentation/devicetree/bindings/mmc/litex,mmc.example.dt.yaml:0:0: /example-0/mmc@...05000: failed to match any schema with compatible: ['litex,mmc']
>
> doc reference errors (make refcheckdocs):
>
>
> See https://patchwork.ozlabs.org/patch/1565210
>
> This check can fail if there are any dependencies. The base for a patch
> series is generally the most recent rc1.
>
> If you already ran 'make dt_binding_check' and didn't see the above
> error(s), then make sure 'yamllint' is installed and dt-schema is up to
> date:
>
> pip3 install dtschema --upgrade
>
> Please check and re-submit.
>
Thanks!
I made the following changes:
--- a/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
+++ b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
@@ -29,9 +29,8 @@ properties:
- description: CORE registers
- description: DMA Reader buffer
- description: DMA Writer buffer
- - description: IRQ registers (optional)
+ - description: IRQ registers
minItems: 4
- maxItems: 5
reg-names:
items:
@@ -39,12 +38,13 @@ properties:
- const: core
- const: reader
- const: writer
- - const: irq (optional)
+ - const: irq
minItems: 4
- maxItems: 5
clocks:
maxItems: 1
+ description:
+ Handle to reference clock.
interrupts:
maxItems: 1
... which took care of the bulk of the error messages reported. However,
I'm still getting the one below, whether or not I leave the `maxItems 1`
line there under `clocks:`
$ make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- dt_binding_check
LINT Documentation/devicetree/bindings
CHKDT Documentation/devicetree/bindings/processed-schema-examples.json
/home/somlo/linux/Documentation/devicetree/bindings/clock/litex,clock.yaml: properties:clock-output-names: {'description': 'List of strings of clock output signal names indexed by the first cell in the clock specifier.', 'minItems': 1, 'maxItems': 7, 'items': [{'const': 'CLKOUT0'}, {'const': 'CLKOUT1'}, {'const': 'CLKOUT2'}, {'const': 'CLKOUT3'}, {'const': 'CLKOUT4'}, {'const': 'CLKOUT5'}, {'const': 'CLKOUT6'}]} should not be valid under {'required': ['maxItems']}
hint: "maxItems" is not needed with an "items" list
from schema $id: http://devicetree.org/meta-schemas/items.yaml#
SCHEMA Documentation/devicetree/bindings/processed-schema-examples.json
/home/somlo/linux/Documentation/devicetree/bindings/clock/litex,clock.yaml: ignoring, error in schema: properties: clock-output-names
warning: no schema found in file: ./Documentation/devicetree/bindings/clock/litex,clock.yaml
DTEX Documentation/devicetree/bindings/mmc/litex,mmc.example.dts
DTEX Documentation/devicetree/bindings/media/renesas,imr.example.dts
...
It appears as though `make dt_binding_check` is trying to read from
`Documentation/devicetree/bindings/clock/litex,clock.yaml`, which
does not exist. The clock reference I'm talking about could be *any*
clock elsewhere in the dts!
This wasn't part of the originally reported errors, not sure why I'm
seeing it now. Also, not sure what (if anything) I still need to do
about it, any advice much appreciated!
Thanks,
--Gabriel
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