netdev - Re: [PATCH RFC net-next 02/13] dpll: Allow registering pin with firmware node

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Message-ID: <ahyyksqki6bas5rqngd735k4fmoeaj7l2a7lazm43ky3lj6ero@567g2ijcpekp>
Date: Fri, 12 Dec 2025 12:25:12 +0100
From: Jiri Pirko <jiri@...nulli.us>
To: Ivan Vecera <ivecera@...hat.com>
Cc: netdev@...r.kernel.org, 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>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Vadim Fedorenko <vadim.fedorenko@...ux.dev>, Arkadiusz Kubalewski <arkadiusz.kubalewski@...el.com>, 
	Grzegorz Nitka <grzegorz.nitka@...el.com>, Petr Oros <poros@...hat.com>, 
	Michal Schmidt <mschmidt@...hat.com>, Prathosh Satish <Prathosh.Satish@...rochip.com>, 
	Tony Nguyen <anthony.l.nguyen@...el.com>, Przemek Kitszel <przemyslaw.kitszel@...el.com>, 
	Saeed Mahameed <saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>, 
	Tariq Toukan <tariqt@...dia.com>, Mark Bloch <mbloch@...dia.com>, 
	Richard Cochran <richardcochran@...il.com>, Jonathan Lemon <jonathan.lemon@...il.com>, 
	Simon Horman <horms@...nel.org>, Alexander Lobakin <aleksander.lobakin@...el.com>, 
	Willem de Bruijn <willemb@...gle.com>, Stefan Wahren <wahrenst@....net>, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, intel-wired-lan@...ts.osuosl.org, linux-rdma@...r.kernel.org
Subject: Re: [PATCH RFC net-next 02/13] dpll: Allow registering pin with
 firmware node

Thu, Dec 11, 2025 at 08:47:45PM +0100, ivecera@...hat.com wrote:

[..]

>@@ -559,7 +563,8 @@ EXPORT_SYMBOL(dpll_netdev_pin_clear);
>  */
> struct dpll_pin *
> dpll_pin_get(u64 clock_id, u32 pin_idx, struct module *module,
>-	     const struct dpll_pin_properties *prop)
>+	     const struct dpll_pin_properties *prop,
>+	     struct fwnode_handle *fwnode)
> {
> 	struct dpll_pin *pos, *ret = NULL;
> 	unsigned long i;
>@@ -568,14 +573,15 @@ dpll_pin_get(u64 clock_id, u32 pin_idx, struct module *module,
> 	xa_for_each(&dpll_pin_xa, i, pos) {
> 		if (pos->clock_id == clock_id &&
> 		    pos->pin_idx == pin_idx &&
>-		    pos->module == module) {
>+		    pos->module == module &&
>+		    pos->fwnode == fwnode) {

Is fwnode part of the key? Doesn't look to me like that. Then you can
have a simple helper to set fwnode on struct dpll_pin *, and leave
dpll_pin_get() out of this, no?


> 			ret = pos;
> 			refcount_inc(&ret->refcount);
> 			break;
> 		}

[..]