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Date:   Tue, 9 May 2023 14:33:38 +0200
From:   Marc Kleine-Budde <mkl@pengutronix.de>
To:     Dario Binacchi <dario.binacchi@amarulasolutions.com>
Cc:     linux-kernel@vger.kernel.org, michael@amarulasolutions.com,
        Amarula patchwork <linux-amarula@amarulasolutions.com>,
        Alexandre Torgue <alexandre.torgue@foss.st.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Paolo Abeni <pabeni@redhat.com>,
        Rob Herring <robh+dt@kernel.org>,
        Wolfgang Grandegger <wg@grandegger.com>,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-can@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com, netdev@vger.kernel.org
Subject: Re: [PATCH v2 0/5] can: bxcan: add support for single peripheral
 configuration
Message-ID: <20230509-catering-haphazard-069d7e07dd1f-mkl@pengutronix.de>
References: <20230427204540.3126234-1-dario.binacchi@amarulasolutions.com>
 <20230427-retaining-deeply-fcff70098e7e-mkl@pengutronix.de>
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On 27.04.2023 23:08:57, Marc Kleine-Budde wrote:
> On 27.04.2023 22:45:35, Dario Binacchi wrote:
> >=20
> > The series adds support for managing bxCAN controllers in single periph=
eral
> > configuration.
> > Unlike stm32f4 SOCs, where bxCAN controllers are only in dual peripheral
> > configuration, stm32f7 SOCs contain three CAN peripherals, CAN1 and CAN2
> > in dual peripheral configuration and CAN3 in single peripheral
> > configuration:
> > - Dual CAN peripheral configuration:
> >  * CAN1: Primary bxCAN for managing the communication between a seconda=
ry
> >    bxCAN and the 512-byte SRAM memory.
> >  * CAN2: Secondary bxCAN with no direct access to the SRAM memory.
> >    This means that the two bxCAN cells share the 512-byte SRAM memory a=
nd
> >    CAN2 can't be used without enabling CAN1.
> > - Single CAN peripheral configuration:
> >  * CAN3: Primary bxCAN with dedicated Memory Access Controller unit and
> >    512-byte SRAM memory.
>=20
> This really looks good! Great work! Who takes the DT changes? I can take
> the whole series.

I've upstreamed the DT changes for the first bxCAN driver, so I'll take
them this time, too.

Marc

--=20
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
Vertretung N=C3=BCrnberg              | Phone: +49-5121-206917-129 |
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