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Date: Fri, 25 Feb 2022 15:25:21 +0000
From: Vladimir Oltean <vladimir.oltean@....com>
To: "Russell King (Oracle)" <rmk+kernel@...linux.org.uk>
CC: Alexandre Belloni <alexandre.belloni@...tlin.com>,
Claudiu Manoil <claudiu.manoil@....com>,
Marek BehĂșn <kabel@...nel.org>,
"UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
Andrew Lunn <andrew@...n.ch>,
Vivien Didelot <vivien.didelot@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH RFC net-next 1/4] net: dsa: ocelot: populate
supported_interfaces
On Fri, Feb 25, 2022 at 02:35:16PM +0000, Russell King (Oracle) wrote:
> Populate the supported interfaces bitmap for the Ocelot DSA switches.
>
> The felix_vsc9959 and seville_vsc9953 sub-drivers only supports a
> single interface mode, defined by ocelot_port->phy_mode, so we indicate
> only this interface mode to phylink.
>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---
> drivers/net/dsa/ocelot/felix.c | 11 +++++++++++
> drivers/net/dsa/ocelot/felix.h | 2 ++
> drivers/net/dsa/ocelot/felix_vsc9959.c | 10 ++++++++++
> drivers/net/dsa/ocelot/seville_vsc9953.c | 10 ++++++++++
> 4 files changed, 33 insertions(+)
>
> diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
> index 9959407fede8..9e05b18940c1 100644
> --- a/drivers/net/dsa/ocelot/felix.c
> +++ b/drivers/net/dsa/ocelot/felix.c
> @@ -778,6 +778,16 @@ static int felix_vlan_del(struct dsa_switch *ds, int port,
> return ocelot_vlan_del(ocelot, port, vlan->vid);
> }
>
> +static void felix_phylink_get_caps(struct dsa_switch *ds, int port,
> + struct phylink_config *config)
> +{
> + struct ocelot *ocelot = ds->priv;
> + struct felix *felix = ocelot_to_felix(ocelot);
> +
> + if (felix->info->phylink_get_caps)
> + felix->info->phylink_get_caps(ocelot, port, config);
> +}
Up until the end the implementations for vsc9953 and vsc9959 remain
identical, so please remove felix->info->phylink_get_caps and keep a
common implementation for both.
> +
> static void felix_phylink_validate(struct dsa_switch *ds, int port,
> unsigned long *supported,
> struct phylink_link_state *state)
> @@ -1587,6 +1597,7 @@ const struct dsa_switch_ops felix_switch_ops = {
> .get_ethtool_stats = felix_get_ethtool_stats,
> .get_sset_count = felix_get_sset_count,
> .get_ts_info = felix_get_ts_info,
> + .phylink_get_caps = felix_phylink_get_caps,
> .phylink_validate = felix_phylink_validate,
> .phylink_mac_config = felix_phylink_mac_config,
> .phylink_mac_link_down = felix_phylink_mac_link_down,
> diff --git a/drivers/net/dsa/ocelot/felix.h b/drivers/net/dsa/ocelot/felix.h
> index 9395ac119d33..b195e3f4df7f 100644
> --- a/drivers/net/dsa/ocelot/felix.h
> +++ b/drivers/net/dsa/ocelot/felix.h
> @@ -41,6 +41,8 @@ struct felix_info {
>
> int (*mdio_bus_alloc)(struct ocelot *ocelot);
> void (*mdio_bus_free)(struct ocelot *ocelot);
> + void (*phylink_get_caps)(struct ocelot *ocelot, int port,
> + struct phylink_config *config);
> void (*phylink_validate)(struct ocelot *ocelot, int port,
> unsigned long *supported,
> struct phylink_link_state *state);
> diff --git a/drivers/net/dsa/ocelot/felix_vsc9959.c b/drivers/net/dsa/ocelot/felix_vsc9959.c
> index 33f0ceae381d..a1be0e91dde6 100644
> --- a/drivers/net/dsa/ocelot/felix_vsc9959.c
> +++ b/drivers/net/dsa/ocelot/felix_vsc9959.c
> @@ -940,6 +940,15 @@ static int vsc9959_reset(struct ocelot *ocelot)
> return 0;
> }
>
> +static void vsc9959_phylink_get_caps(struct ocelot *ocelot, int port,
> + struct phylink_config *config)
> +{
> + struct ocelot_port *ocelot_port = ocelot->ports[port];
> +
> + __set_bit(ocelot_port->phy_mode,
> + config->supported_interfaces);
> +}
> +
> static void vsc9959_phylink_validate(struct ocelot *ocelot, int port,
> unsigned long *supported,
> struct phylink_link_state *state)
> @@ -2237,6 +2246,7 @@ static const struct felix_info felix_info_vsc9959 = {
> .ptp_caps = &vsc9959_ptp_caps,
> .mdio_bus_alloc = vsc9959_mdio_bus_alloc,
> .mdio_bus_free = vsc9959_mdio_bus_free,
> + .phylink_get_caps = vsc9959_phylink_get_caps,
> .phylink_validate = vsc9959_phylink_validate,
> .prevalidate_phy_mode = vsc9959_prevalidate_phy_mode,
> .port_setup_tc = vsc9959_port_setup_tc,
> diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
> index f2f1608a476c..2db51494b1a9 100644
> --- a/drivers/net/dsa/ocelot/seville_vsc9953.c
> +++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
> @@ -913,6 +913,15 @@ static int vsc9953_reset(struct ocelot *ocelot)
> return 0;
> }
>
> +static void vsc9953_phylink_get_caps(struct ocelot *ocelot, int port,
> + struct phylink_config *config)
> +{
> + struct ocelot_port *ocelot_port = ocelot->ports[port];
> +
> + __set_bit(ocelot_port->phy_mode,
> + config->supported_interfaces);
> +}
> +
> static void vsc9953_phylink_validate(struct ocelot *ocelot, int port,
> unsigned long *supported,
> struct phylink_link_state *state)
> @@ -1105,6 +1114,7 @@ static const struct felix_info seville_info_vsc9953 = {
> .num_tx_queues = OCELOT_NUM_TC,
> .mdio_bus_alloc = vsc9953_mdio_bus_alloc,
> .mdio_bus_free = vsc9953_mdio_bus_free,
> + .phylink_get_caps = vsc9953_phylink_get_caps,
> .phylink_validate = vsc9953_phylink_validate,
> .prevalidate_phy_mode = vsc9953_prevalidate_phy_mode,
> .init_regmap = ocelot_regmap_init,
> --
> 2.30.2
>
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