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Date:   Thu, 16 Nov 2023 15:59:46 +0100
From:   =?UTF-8?B?S8O2cnk=?= Maincent <kory.maincent@bootlin.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Cc:     "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Jonathan Corbet <corbet@lwn.net>,
        Luis Chamberlain <mcgrof@kernel.org>,
        Russ Weight <russ.weight@linux.dev>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org, devicetree@vger.kernel.org
Subject: Re: [PATCH net-next 9/9] net: pse-pd: Add PD692x0 PSE controller
 driver
Message-ID: <20231116155946.77441144@kmaincent-XPS-13-7390>
In-Reply-To: <faea7171-31bf-43b7-a830-62f69002b823@linaro.org>
References: <20231116-feature_poe-v1-0-be48044bf249@bootlin.com>
        <20231116-feature_poe-v1-9-be48044bf249@bootlin.com>
        <faea7171-31bf-43b7-a830-62f69002b823@linaro.org>
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Thanks Krzysztof for your reviews!

On Thu, 16 Nov 2023 15:29:24 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote:

> On 16/11/2023 15:01, Kory Maincent wrote:
> > Add a new driver for the PD692x0 I2C Power Sourcing Equipment controlle=
r.
> > This driver only support i2c communication for now.
> >=20
> > Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
> > ---
> >  MAINTAINERS                  |    1 +
> >  drivers/net/pse-pd/Kconfig   |   11 +
> >  drivers/net/pse-pd/Makefile  |    1 +
> >  drivers/net/pse-pd/pd692x0.c | 1049
> > ++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 1062
> > insertions(+) =20
>=20
> ....
>=20
> > +
> > +err_fw_unregister:
> > +	firmware_upload_unregister(priv->fwl);
> > +	return ret;
> > +}
> > +
> > +static void pd692x0_i2c_remove(struct i2c_client *client)
> > +{
> > +	struct pd692x0_priv *priv =3D i2c_get_clientdata(client);
> > +
> > +	firmware_upload_unregister(priv->fwl);
> > +}
> > +
> > +static const struct i2c_device_id pd692x0_id[] =3D {
> > +	{ PD692X0_PSE_NAME, 0 },
> > +	{ },
> > +};
> > +MODULE_DEVICE_TABLE(i2c, pd692x0_id);
> > +
> > +static const struct of_device_id pd692x0_of_match[] =3D {
> > +	{ .compatible =3D "microchip,pd69200", },
> > +	{ .compatible =3D "microchip,pd69210", },
> > +	{ .compatible =3D "microchip,pd69220", }, =20
>=20
> So they are the same from driver point of view.

Yes.
I only have the pd69200 version but the three versions are theoretically
compatible and microchip advise obviously to use the last one.
I describe the three names in case of future specific things even if I hope
there won't be and to have a clear version of which version is supported. D=
o you
prefer to use pd692x0 compatible instead?

Regards,

--=20
K=C3=B6ry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com