Re: [PATCH v6 2/8] dt-bindings: adc: axi-adc: update bindings for backend framework

[Rob Herring <robh@kernel.org>]

On Sun, Jan 21, 2024 at 05:17:20PM +0000, Jonathan Cameron wrote:
> On Fri, 19 Jan 2024 11:15:56 -0600
> Rob Herring <robh@kernel.org> wrote:
> 
> > On Fri, 19 Jan 2024 17:00:48 +0100, Nuno Sa wrote:
> > > 'adi,adc-dev' is now deprecated and must not be used anymore. Hence,
> > > also remove it from being required.
> > > 
> > > The reason why it's being deprecated is because the axi-adc CORE is now
> > > an IIO service provider hardware (IIO backends) for consumers to make use
> > > of. Before, the logic with 'adi,adc-dev' was the opposite (it was kind
> > > of consumer referencing other nodes/devices) and that proved to be wrong
> > > and to not scale.
> > > 
> > > Now, IIO consumers of this hardware are expected to reference it using the
> > > io-backends property. Hence, the new '#io-backend-cells' is being added
> > > so the device is easily identified as a provider.
> > > 
> > > Signed-off-by: Nuno Sa <nuno.sa@analog.com>
> > > ---
> > >  Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml | 8 +++++---
> > >  1 file changed, 5 insertions(+), 3 deletions(-)
> > >   
> > 
> > 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:
> > ./Documentation/devicetree/bindings/iio/adc/adi,axi-adc.yaml:45:5: [error] syntax error: could not find expected ':' (syntax)
> If this is all that comes up for v6, I can fix it up whilst applying.

I would not recommend that unless you run the DT checks. This is a YAML 
error which is just the first thing that has to be valid. After that, we 
check against the DT meta-schema. Then we check all the examples 
(because any example could use any schema).

Though, it looks like the above is the only issue.

Reviewed-by: Rob Herring <robh@kernel.org>

Rob