netdev - Re: [PATCH net-next v2 1/2] of: mdio: warn if deprecated fixed-link binding is used

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Message-ID: <aMMtW0AlZ6kkjQQh@shell.armlinux.org.uk>
Date: Thu, 11 Sep 2025 21:13:15 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Andrew Lunn <andrew@...n.ch>, Andrew Lunn <andrew+netdev@...n.ch>,
	Paolo Abeni <pabeni@...hat.com>, Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>,
	David Miller <davem@...emloft.net>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next v2 1/2] of: mdio: warn if deprecated fixed-link
 binding is used

On Thu, Sep 11, 2025 at 09:19:26PM +0200, 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@...il.com>
> ---
> v2:
> - use %pOF printk specifier
> ---
>  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..24e03f7a6 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("%pOF uses deprecated array-style fixed-link binding!",

Ditto.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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