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Message-ID: <20240122-cruelly-dainty-002081f0beb2@spud>
Date: Mon, 22 Jan 2024 14:21:04 +0000
From: Conor Dooley <conor@...nel.org>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: linux-riscv@...ts.infradead.org,
Conor Dooley <conor.dooley@...rochip.com>,
Daire McNamara <daire.mcnamara@...rochip.com>,
Wolfgang Grandegger <wg@...ndegger.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Paul Walmsley <paul.walmsley@...ive.com>,
Palmer Dabbelt <palmer@...belt.com>,
Albert Ou <aou@...s.berkeley.edu>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>, linux-can@...r.kernel.org,
netdev@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 2/7] dt-bindings: can: mpfs: add missing required clock
On Mon, Jan 22, 2024 at 02:13:16PM +0100, Marc Kleine-Budde wrote:
> On 22.01.2024 12:19:50, Conor Dooley wrote:
> > From: Conor Dooley <conor.dooley@...rochip.com>
> >
> > The CAN controller on PolarFire SoC has an AHB peripheral clock _and_ a
> > CAN bus clock. The bus clock was omitted when the binding was written,
> > but is required for operation. Make up for lost time and add it.
> >
> > Cautionary tale in adding bindings without having implemented a real
> > user for them perhaps.
> >
> > Fixes: c878d518d7b6 ("dt-bindings: can: mpfs: document the mpfs CAN controller")
> > Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> > ---
> > .../devicetree/bindings/net/can/microchip,mpfs-can.yaml | 6 ++++--
> > 1 file changed, 4 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml b/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
> > index 45aa3de7cf01..01e4d4a54df6 100644
> > --- a/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
> > +++ b/Documentation/devicetree/bindings/net/can/microchip,mpfs-can.yaml
> > @@ -24,7 +24,9 @@ properties:
> > maxItems: 1
> >
> > clocks:
> > - maxItems: 1
> > + items:
> > + - description: AHB peripheral clock
> > + - description: CAN bus clock
>
> What about adding clock-names, so that the order can be checked
> automatically?
I don't personally care for doing so, but if your heart is set on having
them, then sure.
Cheers,
Conor.
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