linux-kernel - Re: [PATCH RFC net-next 1/6] net: phy: change of_phy_leds() to fwnode_phy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20251217103701.000066f8@huawei.com>
Date: Wed, 17 Dec 2025 10:37:01 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Jijie Shao <shaojijie@...wei.com>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>, <andrew+netdev@...n.ch>, <horms@...nel.org>,
	<Frank.Sae@...or-comm.com>, <hkallweit1@...il.com>, <linux@...linux.org.uk>,
	<shenjian15@...wei.com>, <liuyonglong@...wei.com>, <chenhao418@...wei.com>,
	<salil.mehta@...wei.com>, <shiyongbang@...wei.com>, <netdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH RFC net-next 1/6] net: phy: change of_phy_leds() to
 fwnode_phy_leds()

On Mon, 15 Dec 2025 20:57:00 +0800
Jijie Shao <shaojijie@...wei.com> wrote:

> Change of_phy_leds() to fwnode_phy_leds(), to support
> of node, acpi node, and software node together.
> 
> Signed-off-by: Jijie Shao <shaojijie@...wei.com>

One minor suggestion inline. It is a 'while you are here'
and whilst there are uses of the _scoped loops
in drivers/net I'm not sure how much appetite there is
for using them wider.

Jonathan


> ---
>  drivers/net/phy/phy_device.c | 37 +++++++++++++++++-------------------
>  1 file changed, 17 insertions(+), 20 deletions(-)
> 
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 81984d4ebb7c..c5ce057f88ff 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c


> -static int of_phy_leds(struct phy_device *phydev)
> +static int fwnode_phy_leds(struct phy_device *phydev)
>  {
> -	struct device_node *node = phydev->mdio.dev.of_node;
> -	struct device_node *leds;
> +	struct fwnode_handle *fwnode = dev_fwnode(&phydev->mdio.dev);
> +	struct fwnode_handle *leds, *led;
>  	int err;
>  
> -	if (!IS_ENABLED(CONFIG_OF_MDIO))
> -		return 0;
> -
> -	if (!node)
> +	if (!fwnode)
>  		return 0;
>  
> -	leds = of_get_child_by_name(node, "leds");
> +	leds = fwnode_get_named_child_node(fwnode, "leds");
>  	if (!leds)
>  		return 0;
>  
> @@ -3311,17 +3308,17 @@ static int of_phy_leds(struct phy_device *phydev)
>  		goto exit;
>  	}
>  
> -	for_each_available_child_of_node_scoped(leds, led) {
> -		err = of_phy_led(phydev, led);
> +	fwnode_for_each_available_child_node(leds, led) {

Maybe use the _scoped version to simplify this a little given
you are changing it.

> +		err = fwnode_phy_led(phydev, led);
>  		if (err) {
> -			of_node_put(leds);
> +			fwnode_handle_put(leds);
>  			phy_leds_unregister(phydev);
>  			return err;
>  		}
>  	}
>  
>  exit:
> -	of_node_put(leds);
> +	fwnode_handle_put(leds);
>  	return 0;
>  }
>  
> @@ -3516,7 +3513,7 @@ static int phy_probe(struct device *dev)
>  	 * LEDs for them.
>  	 */
>  	if (IS_ENABLED(CONFIG_PHYLIB_LEDS) && !phy_driver_is_genphy(phydev))
> -		err = of_phy_leds(phydev);
> +		err = fwnode_phy_leds(phydev);
>  
>  out:
>  	/* Re-assert the reset signal on error */