linux-kernel - Re: [PATCH net-next 03/12] dpll: Add helpers to find DPLL pin fwnode

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Message-ID: <323241f0-9d70-4b4a-b32b-b14d0efc037b@redhat.com>
Date: Mon, 12 Jan 2026 17:52:33 +0100
From: Ivan Vecera <ivecera@...hat.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: netdev@...r.kernel.org, Vadim Fedorenko <vadim.fedorenko@...ux.dev>,
 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 03/12] dpll: Add helpers to find DPLL pin fwnode

On 1/12/26 5:16 PM, Krzysztof Kozlowski wrote:
> On 09/01/2026 11:22, Ivan Vecera wrote:
>>
>>
>> On 1/9/26 10:55 AM, Krzysztof Kozlowski wrote:
>>> On Thu, Jan 08, 2026 at 07:23:09PM +0100, Ivan Vecera wrote:
>>>> Add helper functions to the DPLL core to retrieve a DPLL pin's firmware
>>>> node handle based on the "dpll-pins" and "dpll-pin-names" properties.
>>>>
>>>> * `fwnode_dpll_pin_node_get()`: matches the given name against the
>>>>     "dpll-pin-names" property to find the correct index, then retrieves
>>>>     the reference from "dpll-pins".
>>>> * `device_dpll_pin_node_get()`: a wrapper around the fwnode helper for
>>>>     convenience when using a `struct device`.
>>>>
>>>> These helpers simplify the process for consumer drivers (such as Ethernet
>>>> controllers or PHYs) to look up their associated DPLL pins defined in
>>>> the DT or ACPI, which can then be passed to the DPLL subsystem to acquire
>>>> the pin object.
>>>>
>>>> Signed-off-by: Ivan Vecera <ivecera@...hat.com>
>>>> ---
>>>>    drivers/dpll/dpll_core.c | 20 ++++++++++++++++++++
>>>>    include/linux/dpll.h     | 15 +++++++++++++++
>>>>    2 files changed, 35 insertions(+)
>>>>
>>>
>>> I don't see cells defined in your binding. Neither updated property.c.
>>>
>> WDYM by property.c ?
> 
> Each standardized phandle reliationship is supposed to be reflected with
> device links (at least of now... maybe it already changed after this LPC?)

Do you mean 'supplier_bindings' in drivers/of/property.c ?

Thanks,
Ivan