Re: [PATCH net-next v17 02/14] net: sfp: pass the phy_device when disconnecting an sfp module's PHY

[Christophe Leroy <christophe.leroy@csgroup.eu>]

Le 09/07/2024 à 08:30, Maxime Chevallier a écrit :
> Pass the phy_device as a parameter to the sfp upstream .disconnect_phy
> operation. This is preparatory work to help track phy devices across
> a net_device's link.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
> Reviewed-by: Andrew Lunn <andrew@lunn.ch>

Reviewed-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Tested-by: Christophe Leroy <christophe.leroy@csgroup.eu>

> ---
>   drivers/net/phy/phylink.c | 3 ++-
>   drivers/net/phy/sfp-bus.c | 4 ++--
>   include/linux/sfp.h       | 2 +-
>   3 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c
> index 51c526d227fa..ab4e9fc03017 100644
> --- a/drivers/net/phy/phylink.c
> +++ b/drivers/net/phy/phylink.c
> @@ -3423,7 +3423,8 @@ static int phylink_sfp_connect_phy(void *upstream, struct phy_device *phy)
>   	return ret;
>   }
>   
> -static void phylink_sfp_disconnect_phy(void *upstream)
> +static void phylink_sfp_disconnect_phy(void *upstream,
> +				       struct phy_device *phydev)
>   {
>   	phylink_disconnect_phy(upstream);
>   }
> diff --git a/drivers/net/phy/sfp-bus.c b/drivers/net/phy/sfp-bus.c
> index 2f44fc51848f..56953e66bb7b 100644
> --- a/drivers/net/phy/sfp-bus.c
> +++ b/drivers/net/phy/sfp-bus.c
> @@ -487,7 +487,7 @@ static void sfp_unregister_bus(struct sfp_bus *bus)
>   			bus->socket_ops->stop(bus->sfp);
>   		bus->socket_ops->detach(bus->sfp);
>   		if (bus->phydev && ops && ops->disconnect_phy)
> -			ops->disconnect_phy(bus->upstream);
> +			ops->disconnect_phy(bus->upstream, bus->phydev);
>   	}
>   	bus->registered = false;
>   }
> @@ -743,7 +743,7 @@ void sfp_remove_phy(struct sfp_bus *bus)
>   	const struct sfp_upstream_ops *ops = sfp_get_upstream_ops(bus);
>   
>   	if (ops && ops->disconnect_phy)
> -		ops->disconnect_phy(bus->upstream);
> +		ops->disconnect_phy(bus->upstream, bus->phydev);
>   	bus->phydev = NULL;
>   }
>   EXPORT_SYMBOL_GPL(sfp_remove_phy);
> diff --git a/include/linux/sfp.h b/include/linux/sfp.h
> index b14be59550e3..54abb4d22b2e 100644
> --- a/include/linux/sfp.h
> +++ b/include/linux/sfp.h
> @@ -550,7 +550,7 @@ struct sfp_upstream_ops {
>   	void (*link_down)(void *priv);
>   	void (*link_up)(void *priv);
>   	int (*connect_phy)(void *priv, struct phy_device *);
> -	void (*disconnect_phy)(void *priv);
> +	void (*disconnect_phy)(void *priv, struct phy_device *);
>   };
>   
>   #if IS_ENABLED(CONFIG_SFP)