linux-kernel - RE: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate 'interrupts' and 'interrupt-names'

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Message-ID:
 <OSBPR01MB15921757B5C4E46A316B560886352@OSBPR01MB1592.jpnprd01.prod.outlook.com>
Date: Tue, 26 Mar 2024 08:08:46 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Geert Uytterhoeven <geert@...ux-m68k.org>
CC: Prabhakar <prabhakar.csengg@...il.com>, Greg Kroah-Hartman
	<gregkh@...uxfoundation.org>, Jiri Slaby <jirislaby@...nel.org>, Rob Herring
	<robh+dt@...nel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
	Magnus Damm <magnus.damm@...il.com>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>, "devicetree@...r.kernel.org"
	<devicetree@...r.kernel.org>, "linux-serial@...r.kernel.org"
	<linux-serial@...r.kernel.org>, "linux-renesas-soc@...r.kernel.org"
	<linux-renesas-soc@...r.kernel.org>, Fabrizio Castro
	<fabrizio.castro.jz@...esas.com>, Prabhakar Mahadev Lad
	<prabhakar.mahadev-lad.rj@...renesas.com>
Subject: RE: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate
 'interrupts' and 'interrupt-names'


Hi Geert,

> -----Original Message-----
> From: Geert Uytterhoeven <geert@...ux-m68k.org>
> Sent: Tuesday, March 26, 2024 8:02 AM
> Subject: Re: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate 'interrupts' and
> 'interrupt-names'
> 
> Hi Biju,
> 
> On Mon, Mar 25, 2024 at 5:21 PM Biju Das <biju.das.jz@...renesas.com> wrote:
> > > -----Original Message-----
> > > From: Prabhakar <prabhakar.csengg@...il.com>
> > > Sent: Friday, March 22, 2024 2:44 PM
> > > Subject: [PATCH v4 2/5] dt-bindings: serial: renesas,scif: Validate
> > > 'interrupts' and 'interrupt- names'
> > >
> > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> > >
> > > This commit adds support to validate the 'interrupts' and 'interrupt-names'
> > > properties for every supported SoC. This ensures proper handling and
> > > configuration of interrupt- related properties across supported platforms.
> > >
> > > Signed-off-by: Lad Prabhakar
> > > <prabhakar.mahadev-lad.rj@...renesas.com>
> > > Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> > > ---
> > > v3->v4
> > > - Reverted back to v2 version of the patch.
> > > - Used suggestion from Krzysztof for interrupts
> > > - Restored RB tag from Geert
> > >
> > > v2->v3
> > > - Listed interrupts and interrupt-names for every SoC in if check
> > > ---
> > >  .../bindings/serial/renesas,scif.yaml         | 73 ++++++++++++++-----
> > >  1 file changed, 55 insertions(+), 18 deletions(-)
> > >
> > > diff --git
> > > a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> > > b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> > > index af72c3420453..eb2aa5e75e02 100644
> > > --- a/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> > > +++ b/Documentation/devicetree/bindings/serial/renesas,scif.yaml
> > > @@ -86,11 +86,6 @@ properties:
> > >      oneOf:
> > >        - items:
> > >            - description: A combined interrupt
> > > -      - items:
> > > -          - description: Error interrupt
> > > -          - description: Receive buffer full interrupt
> > > -          - description: Transmit buffer empty interrupt
> > > -          - description: Break interrupt
> > >        - items:
> > >            - description: Error interrupt
> > >            - description: Receive buffer full interrupt @@ -98,21 +93,17 @@ properties:
> > >            - description: Break interrupt
> > >            - description: Data Ready interrupt
> > >            - description: Transmit End interrupt
> > > +        minItems: 4
> >
> > I think here minItems is 1 as it is either 1 or 4 or 6
> 
> The single interrupt is handled by the first case in the oneOf (which can probably be simplified by
> dropping the "items"?).

Good point, it is not items, so it can be dropped.

Cheers,
Biju