linux-kernel - Re: [PATCH net-next v2 2/2] net: dsa: Remove adjust

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Date: Mon, 29 Apr 2024 21:00:39 +0100
From: Simon Horman <horms@...nel.org>
To: Florian Fainelli <florian.fainelli@...adcom.com>
Cc: netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
	Florian Fainelli <f.fainelli@...il.com>,
	Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Russell King <linux@...linux.org.uk>,
	open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v2 2/2] net: dsa: Remove adjust_link paths

On Mon, Apr 29, 2024 at 09:54:05AM -0700, Florian Fainelli wrote:
> Now that we no longer any drivers using PHYLIB's adjust_link callback,
> remove all paths that made use of adjust_link as well as the associated
> functions.
> 
> Signed-off-by: Florian Fainelli <florian.fainelli@...adcom.com>

..

> @@ -1616,17 +1597,13 @@ static void dsa_port_phylink_mac_link_down(struct phylink_config *config,
>  					   phy_interface_t interface)
>  {
>  	struct dsa_port *dp = dsa_phylink_to_port(config);
> -	struct phy_device *phydev = NULL;

Hi Florian,

I'm wondering if some changes got lost somewhere.

phydev is removed here...

>  	struct dsa_switch *ds = dp->ds;
>  
>  	if (dsa_port_is_user(dp))
>  		phydev = dp->user->phydev;

.. assigned here, but not used.

Perhaps the three lines above should be removed?

>  
> -	if (!ds->ops->phylink_mac_link_down) {
> -		if (ds->ops->adjust_link && phydev)
> -			ds->ops->adjust_link(ds, dp->index, phydev);
> +	if (!ds->ops->phylink_mac_link_down)
>  		return;
> -	}
>  
>  	ds->ops->phylink_mac_link_down(ds, dp->index, mode, interface);
>  }

..

-- 
pw-client: changes-requested