linux-kernel - Re: [PATCH v3 9/9] dt-bindings: serial: stm32: add phandle 'bluetooth' to fix dtbs

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Date:   Thu, 25 Mar 2021 13:40:16 +0800
From:   dillon min <dillon.minfei@...il.com>
To:     Rob Herring <robh@...nel.org>,
        Valentin CARON - foss <valentin.caron@...s.st.com>,
        Alexandre TORGUE <Alexandre.torgue@...s.st.com>
Cc:     rong.a.chen@...el.com, Ahmad Fatoum <a.fatoum@...gutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-stm32@...md-mailman.stormreply.com,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux@...linux.org.uk, Vladimir Murzin <vladimir.murzin@....com>,
        afzal.mohd.ma@...il.com, gregkh@...uxfoundation.org,
        erwan.leray@...com, Erwan LE-RAY - foss <erwan.leray@...s.st.com>,
        linux-serial@...r.kernel.org, lkp@...el.com
Subject: Re: [PATCH v3 9/9] dt-bindings: serial: stm32: add phandle
 'bluetooth' to fix dtbs_check warrning

Hi Rob,

Thanks for the suggestion.


On Thu, Mar 25, 2021 at 1:45 AM Rob Herring <robh@...nel.org> wrote:
>
> On Fri, Mar 19, 2021 at 07:13:27PM +0800, dillon min wrote:
> > Hi Alexandre,
> >
> > Thanks for the reply.
> >
> > On Fri, Mar 19, 2021 at 4:38 PM Alexandre TORGUE
> > <alexandre.torgue@...s.st.com> wrote:
> > >
> > > Hi Dillon
> > >
> > > On 3/19/21 5:28 AM, dillon min wrote:
> > > > No changes, Just loop lkp in.
> > > >
> > > >
> > > > Hi lkp,
> > > >
> > > > Sorry for the late reply, thanks for your report.
> > > > This patch is to fix the build warning message.
> > > >
> > > > Thanks.
> > > > Regards
> > > >
> > > > On Mon, Mar 15, 2021 at 5:45 PM <dillon.minfei@...il.com> wrote:
> > > >>
> > > >> From: dillon min <dillon.minfei@...il.com>
> > > >>
> > > >> when run make dtbs_check with 'bluetoothi brcm,bcm43438-bt'
> > > >> dts enabled on stm32h7, there is a warrning popup:
> > > >>
> > > >>>> arch/arm/boot/dts/stm32h750i-art-pi.dt.yaml: serial@...04800: 'bluetooth'
> > > >>     does not match any of the regexes: 'pinctrl-[0-9]+'
> > > >>
> > > >> to make dtbs_check happy, so add a phandle bluetooth
> > > >>
> > > >> Fixes: 500cdb23d608 ("ARM: dts: stm32: Add STM32H743 MCU and STM32H743i-EVAL board")
> > > >> Signed-off-by: dillon min <dillon.minfei@...il.com>
> > > >> Reported-by: kernel test robot <lkp@...el.com>
> > > >> ---
> > > >>   Documentation/devicetree/bindings/serial/st,stm32-uart.yaml | 5 +++++
> > > >>   1 file changed, 5 insertions(+)
> > > >>
> > > >> diff --git a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> > > >> index 8631678283f9..5e674840e62d 100644
> > > >> --- a/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> > > >> +++ b/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml
> > > >> @@ -50,6 +50,11 @@ properties:
> > > >>       minItems: 1
> > > >>       maxItems: 2
> > > >>
> > > >> +  bluetooth:
> > > >> +    type: object
> > > >> +    description: |
> > > >> +      phandles to the usart controller and bluetooth
> > > >> +
> > >
> > > Do we really need to add this "generic" property here ? You could test
> > > without the "AditionalProperties:False".
> > Yes, indeed. we have no reason to add a generic 'bluetooth' property
> > into specific soc's interface yaml.
> > I can't just remove "AditionalProperties:False", else make
> > O=../kernel-art/ dtbs dtbs_check will run into
> >
> > /home/fmin/linux/Documentation/devicetree/bindings/serial/st,stm32-uart.yaml:
> > 'oneOf' conditional failed, one must be fixed:
> > 'unevaluatedProperties' is a required property
> > 'additionalProperties' is a required property
> > ...
> >
> > So , i will replace "AditionalProperties:False". with
> > unevaluatedProperties: false, do you agree with this?
>
> This is okay as long as 'serial.yaml' is referenced, but will eventually
> fail if not (unevaluatedProperties isn't actually implemented yet).
>
> > If so, i will send patch v4 later.
>
> Or you can do this:
>
> addtionalProperties:
>   type: object
>
> Which means any other property has to be a node.
>
Okay, I just test your patch, it's fixed dtbs_check warrning as well.
I will merge it to next submit, thanks.

Hi, Valentin CARON，
Could you help to double check it, after my v5 submit ? thanks so much.

Regards.

Valent
> Rob