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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Ivan Bornyakov <i.bornyakov@metrotek.ru>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	system@metrotek.ru
Subject: Re: [PATCH net-next RESEND] net: phy: marvell-88x2222: set proper phydev->port
Date: Mon, 25 Apr 2022 22:33:06 +0100	[thread overview]
Message-ID: <YmcTkkNcDrtdcGTM@shell.armlinux.org.uk> (raw)
In-Reply-To: <20220425041637.5946-1-i.bornyakov@metrotek.ru>

On Mon, Apr 25, 2022 at 07:16:37AM +0300, Ivan Bornyakov wrote:
> phydev->port was not set and always reported as PORT_TP.
> Set phydev->port according to inserted SFP module.
> 
> Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru>
> ---
>  drivers/net/phy/marvell-88x2222.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/phy/marvell-88x2222.c b/drivers/net/phy/marvell-88x2222.c
> index ec4f1407a78c..9f971b37ec35 100644
> --- a/drivers/net/phy/marvell-88x2222.c
> +++ b/drivers/net/phy/marvell-88x2222.c
> @@ -603,6 +603,7 @@ static int mv2222_sfp_insert(void *upstream, const struct sfp_eeprom_id *id)
>  	dev = &phydev->mdio.dev;
>  
>  	sfp_parse_support(phydev->sfp_bus, id, sfp_supported);
> +	phydev->port = sfp_parse_port(phydev->sfp_bus, id, sfp_supported);
>  	sfp_interface = sfp_select_interface(phydev->sfp_bus, sfp_supported);
>  
>  	dev_info(dev, "%s SFP module inserted\n", phy_modes(sfp_interface));
> @@ -639,6 +640,7 @@ static void mv2222_sfp_remove(void *upstream)
>  
>  	priv->line_interface = PHY_INTERFACE_MODE_NA;
>  	linkmode_zero(priv->supported);
> +	phydev->port = PORT_OTHER;

Can this PHY be used in dual-media mode, auto-switching between copper
and fibre? If so, is PORT_OTHER actually appropriate here, or should
the old value be saved when the module is inserted and restored when
it's removed?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!

  reply	other threads:[~2022-04-25 22:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-05 15:03 [PATCH net] net: phy: marvell-88x2222: set proper phydev->port Ivan Bornyakov
2022-04-05 16:14 ` Andrew Lunn
2022-04-06  9:09   ` Ivan Bornyakov
2022-04-25  4:16 ` [PATCH net-next RESEND] " Ivan Bornyakov
2022-04-25 21:33   ` Russell King (Oracle) [this message]
2022-04-26  7:46     ` Ivan Bornyakov
2022-06-12 18:19 ` [PATCH v2 net-next] " Ivan Bornyakov
2022-06-15  8:30   ` patchwork-bot+netdevbpf

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