From: Mark Brown <broonie@kernel.org>
To: "Köry Maincent" <kory.maincent@bootlin.com>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
"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,
Dent Project <dentproject@linuxfoundation.org>,
Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH net-next v2 8/8] net: pse-pd: Add PD692x0 PSE controller driver
Date: Thu, 21 Dec 2023 15:43:21 +0000 [thread overview]
Message-ID: <ffda1003-b752-402e-8e51-e2e24a840cff@sirena.org.uk> (raw)
In-Reply-To: <20231221163610.47038996@kmaincent-XPS-13-7390>
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On Thu, Dec 21, 2023 at 04:36:10PM +0100, Köry Maincent wrote:
> Mark Brown <broonie@kernel.org> wrote:
> > OK... I mean, if they're not using the regulator framework I'm not sure
> > it has much impact - there are plenty of internal regulators in devices
> > already so it wouldn't be *too* unusual other than the fact that AFAICT
> > this is somewhat split between devices within the subsystem? Neither of
> > the messages was super clear.
> PSE Power Interface (which is kind of the RJ45 in PSE world) have similar
> functionalities as regulators. We wondered if registering a regulator for
> each PSE PI (RJ45 ports) is a good idea. The point is that the PSE controller
> driver will be its own regulator consumer.
> I can't find any example in Linux with such a case of a driver being a provider
> and a consumer of its own regulator. This idea of a regulator biting its own
> tail seems weird to me. Maybe it is better to implement the PSE functionalities
> even if they are like the regulator functionalities.
Is it at all plausible that a system (perhaps an embedded one) might use
something other than PSE?
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next prev parent reply other threads:[~2023-12-21 15:43 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-01 17:10 [PATCH net-next v2 0/8] net: Add support for Power over Ethernet (PoE) Kory Maincent
2023-12-01 17:10 ` [PATCH net-next v2 1/8] net: pse-pd: Rectify and adapt the naming of admin_cotrol member of struct pse_control_config Kory Maincent
2023-12-03 18:19 ` Andrew Lunn
2023-12-04 12:19 ` Oleksij Rempel
2023-12-01 17:10 ` [PATCH net-next v2 2/8] ethtool: Expand Ethernet Power Equipment with c33 (PoE) alongside PoDL Kory Maincent
2023-12-03 18:27 ` Andrew Lunn
2023-12-04 12:27 ` Oleksij Rempel
2023-12-06 2:45 ` Bagas Sanjaya
2023-12-06 8:35 ` Köry Maincent
2023-12-06 4:23 ` kernel test robot
2023-12-01 17:10 ` [PATCH net-next v2 3/8] net: pse-pd: Introduce PSE types enumeration Kory Maincent
2023-12-03 18:31 ` Andrew Lunn
2023-12-04 12:43 ` Oleksij Rempel
2023-12-03 18:38 ` Andrew Lunn
2023-12-04 14:00 ` Köry Maincent
2023-12-04 12:51 ` Oleksij Rempel
2023-12-04 13:55 ` Köry Maincent
2023-12-01 17:10 ` [PATCH net-next v2 4/8] net: ethtool: pse-pd: Expand pse commands with the PSE PoE interface Kory Maincent
2023-12-03 18:45 ` Andrew Lunn
2023-12-04 15:28 ` Köry Maincent
2023-12-04 15:29 ` Oleksij Rempel
2023-12-06 4:18 ` Bagas Sanjaya
2023-12-01 17:10 ` [PATCH net-next v2 5/8] netlink: specs: Modify pse attribute prefix Kory Maincent
2023-12-01 17:10 ` [PATCH net-next v2 6/8] netlink: specs: Expand the pse netlink command with PoE interface Kory Maincent
2023-12-01 17:10 ` [PATCH net-next v2 7/8] dt-bindings: net: pse-pd: Add bindings for PD692x0 PSE controller Kory Maincent
2023-12-04 23:08 ` Oleksij Rempel
2023-12-05 6:36 ` Oleksij Rempel
2023-12-05 10:15 ` Köry Maincent
2023-12-05 13:31 ` Köry Maincent
2023-12-05 14:21 ` Oleksij Rempel
2023-12-05 15:23 ` Köry Maincent
2023-12-08 9:06 ` Köry Maincent
2023-12-05 12:54 ` Mark Brown
2023-12-01 17:10 ` [PATCH net-next v2 8/8] net: pse-pd: Add PD692x0 PSE controller driver Kory Maincent
2023-12-03 19:34 ` Andrew Lunn
2024-01-16 9:49 ` Köry Maincent
2024-01-16 13:18 ` Andrew Lunn
2024-01-16 14:12 ` Köry Maincent
2023-12-03 21:11 ` Christophe JAILLET
2023-12-04 22:16 ` Köry Maincent
2023-12-05 18:01 ` Christophe JAILLET
2023-12-06 8:41 ` Köry Maincent
2023-12-04 22:59 ` Oleksij Rempel
2023-12-05 6:45 ` Oleksij Rempel
2023-12-05 12:55 ` Mark Brown
2023-12-05 14:02 ` Oleksij Rempel
2023-12-05 15:57 ` Mark Brown
2023-12-21 15:36 ` Köry Maincent
2023-12-21 15:43 ` Mark Brown [this message]
2023-12-21 16:10 ` Köry Maincent
2023-12-21 16:20 ` Mark Brown
2023-12-21 17:19 ` Köry Maincent
2023-12-21 17:34 ` Mark Brown
2023-12-21 17:42 ` Oleksij Rempel
2023-12-21 18:05 ` Mark Brown
2023-12-22 7:54 ` Oleksij Rempel
2023-12-05 21:35 ` kernel test robot
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