[RFC RFT PATCH v2 1/2] dt-bindings: mtd: partitions: Document new partition-dynamic nodes

Ansuel Smith ansuelsmth at gmail.com
Tue Feb 22 10:09:32 PST 2022


On Tue, Feb 22, 2022 at 12:01:31PM -0600, Rob Herring wrote:
> On Mon, Feb 21, 2022 at 04:57:40PM +0100, Ansuel Smith wrote:
> > On Sun, Feb 20, 2022 at 08:36:09PM -0600, Rob Herring wrote:
> > > On Sun, 20 Feb 2022 18:39:04 +0100, Ansuel Smith wrote:
> > > > Document new partition-dynamic nodes used to provide an OF node for
> > > > partition registred at runtime by parsers. This is required for nvmem
> > > > system to declare and detect nvmem-cells.
> > > > 
> > > > With these special partitions, only the label is required as the parser
> > > > will provide reg and offset of the mtd. NVMEM will use the data from the
> > > > parser and provide the NVMEM cells declared in the DTS, "connecting" the
> > > > dynamic partition with a static declaration of cells in them.
> > > > 
> > > > Signed-off-by: Ansuel Smith <ansuelsmth at gmail.com>
> > > > ---
> > > >  .../mtd/partitions/partition-dynamic.yaml     | 54 +++++++++++++++++++
> > > >  1 file changed, 54 insertions(+)
> > > >  create mode 100644 Documentation/devicetree/bindings/mtd/partitions/partition-dynamic.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/mtd/partitions/partition-dynamic.example.dt.yaml: partitions: '#address-cells', '#size-cells', 'art' do not match any of the regexes: 'pinctrl-[0-9]+'
> > > 	From schema: /builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/partitions/qcom,smem-part.yaml
> > > 
> > > doc reference errors (make refcheckdocs):
> > > 
> > > See https://patchwork.ozlabs.org/patch/1595230
> > > 
> > > 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.
> > > 
> > 
> > Considering the idea of this partition-dynamic, should these warning be
> > ignored or the smem-part should include the ref of these new partitions?
> 
> We can't have warnings. 
> 
> > Or should I remove the example?
> 
> Doesn't that just kick the problem to actual users?
> 
> > (or should I add the example to smem-part instead of partition-dynamic)
> 
> That shouldn't matter I think...
> 
> Rob

I mean the problem here is that smem-part doesn't accept partition
subnode... Think I should add a ref there... In theory I should be able
to keep the example... 

-- 
	Ansuel



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