netdev - Re: [PATCH RFC net-next 03/12] net: dsa: replace phylink_get_interfaces() with phylink_get

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Date:   Wed, 24 Nov 2021 18:15:08 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
CC:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>,
        George McCollister <george.mccollister@...il.com>,
        Hauke Mehrtens <hauke@...ke-m.de>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Woojung Huh <woojung.huh@...rochip.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH RFC net-next 03/12] net: dsa: replace
 phylink_get_interfaces() with phylink_get_caps()

On Wed, Nov 24, 2021 at 05:52:38PM +0000, Russell King (Oracle) wrote:
> Phylink needs slightly more information than phylink_get_interfaces()
> allows us to get from the DSA drivers - we need the MAC capabilities.
> Replace the phylink_get_interfaces() method with phylink_get_caps() to
> allow DSA drivers to fill in the phylink_config MAC capabilities field
> as well.
> 
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---

The effects of submitting new API without any user :)

Reviewed-by: Vladimir Oltean <vladimir.oltean@....com>

>  include/net/dsa.h | 4 ++--
>  net/dsa/port.c    | 5 ++---
>  2 files changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/include/net/dsa.h b/include/net/dsa.h
> index eff5c44ba377..8ca9d50cbbc2 100644
> --- a/include/net/dsa.h
> +++ b/include/net/dsa.h
> @@ -645,8 +645,8 @@ struct dsa_switch_ops {
>  	/*
>  	 * PHYLINK integration
>  	 */
> -	void	(*phylink_get_interfaces)(struct dsa_switch *ds, int port,
> -					  unsigned long *supported_interfaces);
> +	void	(*phylink_get_caps)(struct dsa_switch *ds, int port,
> +				    struct phylink_config *config);
>  	void	(*phylink_validate)(struct dsa_switch *ds, int port,
>  				    unsigned long *supported,
>  				    struct phylink_link_state *state);
> diff --git a/net/dsa/port.c b/net/dsa/port.c
> index d928be884f01..6d5ebe61280b 100644
> --- a/net/dsa/port.c
> +++ b/net/dsa/port.c
> @@ -1094,9 +1094,8 @@ int dsa_port_phylink_create(struct dsa_port *dp)
>  	if (err)
>  		mode = PHY_INTERFACE_MODE_NA;
>  
> -	if (ds->ops->phylink_get_interfaces)
> -		ds->ops->phylink_get_interfaces(ds, dp->index,
> -					dp->pl_config.supported_interfaces);
> +	if (ds->ops->phylink_get_caps)
> +		ds->ops->phylink_get_caps(ds, dp->index, &dp->pl_config);
>  
>  	dp->pl = phylink_create(&dp->pl_config, of_fwnode_handle(dp->dn),
>  				mode, &dsa_port_phylink_mac_ops);
> -- 
> 2.30.2
>