# Re: \[PATCH v3 3/4\] dt-bindings: reserved-memory: Make DMA-BUF CMA heap DT-configurable

- From: Hridya Valsaraju \<hidden\>
- Date: 2021-01-13 17:32:12 
- List: linux-mm
- Page: https://ratatoskr.run/linux-mm/2021/01/6233705
- Thread: https://ratatoskr.run/linux-devicetree/2021/01/6232694/t.md

```text
On Wed, Jan 13, 2021 at 7:45 AM Rob Herring [ref] wrote:
>
> On Tue, 12 Jan 2021 17:21:42 -0800, Minchan Kim wrote:
> > From: Hyesoo Yu <redacted>
> >
> > Document devicetree binding for chunk cma heap on dma heap framework.
> >
> > The DMA chunk heap supports the bulk allocation of higher order pages.
> >
> > Signed-off-by: Hyesoo Yu <redacted>
> > Signed-off-by: Minchan Kim <minchan@kernel.org>
> > Signed-off-by: Hridya Valsaraju <redacted>
> > Change-Id: I8fb231e5a8360e2d8f65947e155b12aa664dde01
> > ---
> >  .../reserved-memory/dma_heap_chunk.yaml       | 58 +++++++++++++++++++
> >  1 file changed, 58 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/reserved-memory/dma_heap_chunk.yaml
> >
>
> My bot found errors running 'make dt_binding_check' on your patch:
>
> yamllint warnings/errors:
> ./Documentation/devicetree/bindings/reserved-memory/dma_heap_chunk.yaml:58:1: [warning] too many blank lines (2 > 1) (empty-lines)
>
> dtschema/dtc warnings/errors:
>
> See https://patchwork.ozlabs.org/patch/1425577
>
> 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.
>

Hi Rob,

Sorry about that, I can see the warning after installing yamllint.
Will fix it in the next version!

Thanks,
Hridya

```
