Re: [PATCH net-next 1/2] of: mdio: warn if deprecated fixed-link binding is used

[Krzysztof Kozlowski <krzk@kernel.org>]

On 09/09/2025 21:15, Heiner Kallweit wrote:
> The array-style fixed-link binding has been marked deprecated for more
> than 10 yrs, but still there's a number of users. Print a warning when
> usage of the deprecated binding is detected.
> 
> Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
> ---
>  drivers/net/mdio/of_mdio.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/mdio/of_mdio.c b/drivers/net/mdio/of_mdio.c
> index d8ca63ed8..d35e28dbe 100644
> --- a/drivers/net/mdio/of_mdio.c
> +++ b/drivers/net/mdio/of_mdio.c
> @@ -447,6 +447,8 @@ int of_phy_register_fixed_link(struct device_node *np)
>  	/* Old binding */
>  	if (of_property_read_u32_array(np, "fixed-link", fixed_link_prop,
>  				       ARRAY_SIZE(fixed_link_prop)) == 0) {
> +		pr_warn_once("%s uses deprecated array-style fixed-link binding!",

Please use proper % format specifier for nodes. See printk-formats.

> +			     of_node_full_name(np));
Best regards,
Krzysztof