netdev - Re: [PATCH net-next 02/12] dpll: Allow associating dpll pin with a firmware node

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Message-ID: <65404ab2-b67d-4138-9aa4-b29fc77ed345@linux.dev>
Date: Fri, 9 Jan 2026 15:46:41 +0000
From: Vadim Fedorenko <vadim.fedorenko@...ux.dev>
To: Ivan Vecera <ivecera@...hat.com>, netdev@...r.kernel.org
Cc: Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>,
 Jiri Pirko <jiri@...nulli.us>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Prathosh Satish <Prathosh.Satish@...rochip.com>,
 Tony Nguyen <anthony.l.nguyen@...el.com>,
 Przemek Kitszel <przemyslaw.kitszel@...el.com>,
 Andrew Lunn <andrew+netdev@...n.ch>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>,
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
 Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>,
 Tariq Toukan <tariqt@...dia.com>, Mark Bloch <mbloch@...dia.com>,
 Jonathan Lemon <jonathan.lemon@...il.com>,
 Richard Cochran <richardcochran@...il.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 intel-wired-lan@...ts.osuosl.org, linux-rdma@...r.kernel.org,
 Michal Schmidt <mschmidt@...hat.com>, Petr Oros <poros@...hat.com>,
 Grzegorz Nitka <grzegorz.nitka@...el.com>
Subject: Re: [PATCH net-next 02/12] dpll: Allow associating dpll pin with a
 firmware node

On 08/01/2026 18:23, Ivan Vecera wrote:
> Extend the DPLL core to support associating a DPLL pin with a firmware
> node. This association is required to allow other subsystems (such as
> network drivers) to locate and request specific DPLL pins defined in
> the Device Tree or ACPI.
> 
> * Add a .fwnode field to the struct dpll_pin
> * Introduce dpll_pin_fwnode_set() helper to allow the provider driver
>    to associate a pin with a fwnode after the pin has been allocated
> * Introduce fwnode_dpll_pin_find() helper to allow consumers to search
>    for a registered DPLL pin using its associated fwnode handle
> * Ensure the fwnode reference is properly released in dpll_pin_put()
> 
> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
> ---
> Changes:
> RFC v2:
> - dpll_pin_fwnode_set() helper to set firmware node without touching
>    dpll_pin_get()

Reviewed-by: Vadim Fedorenko <vadim.fedorenko@...ux.dev>