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From: Andrew Lunn <andrew@lunn.ch>
To: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: "David S. Miller" <davem@davemloft.net>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Michal Kubecek <mkubecek@suse.cz>,
	David Jander <david@protonic.nl>,
	kernel@pengutronix.de, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org, Russell King <linux@armlinux.org.uk>,
	mkl@pengutronix.de, Marek Vasut <marex@denx.de>,
	Christian Herber <christian.herber@nxp.com>
Subject: Re: [PATCH net-next v3 2/2] net: phy: tja11xx: add support for master-slave configuration
Date: Wed, 29 Apr 2020 20:20:53 +0200	[thread overview]
Message-ID: <20200429182053.GM30459@lunn.ch> (raw)
In-Reply-To: <20200428075308.2938-3-o.rempel@pengutronix.de>

> +static int tja11xx_config_aneg(struct phy_device *phydev)
> +{
> +	u16 ctl = 0;
> +	int ret;
> +
> +	switch (phydev->master_slave_set) {
> +	case PORT_MODE_CFG_MASTER_FORCE:
> +	case PORT_MODE_CFG_MASTER_PREFERRED:
> +		ctl |= MII_CFG1_MASTER_SLAVE;
> +		break;
> +	case PORT_MODE_CFG_SLAVE_FORCE:
> +	case PORT_MODE_CFG_SLAVE_PREFERRED:
> +		break;
> +	case PORT_MODE_CFG_UNKNOWN:
> +		return 0;
> +	default:
> +		phydev_warn(phydev, "Unsupported Master/Slave mode\n");
> +		return -ENOTSUPP;
> +	}

Does the hardware actually support PORT_MODE_CFG_SLAVE_PREFERRED and
PORT_MODE_CFG_MASTER_PREFERRED? I thought that required autoneg, which
this PHY does not support? So i would of expected these two values to
return ENOTSUPP?

       Andrew

  reply	other threads:[~2020-04-29 18:21 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-28  7:53 [PATCH net-next v3 0/2] provide support for PHY master/slave configuration Oleksij Rempel
2020-04-28  7:53 ` [PATCH net-next v3 1/2] ethtool: provide UAPI " Oleksij Rempel
2020-04-29 18:16   ` Andrew Lunn
2020-04-30  4:37     ` Oleksij Rempel
2020-04-30 14:24       ` Andrew Lunn
2020-04-29 19:52   ` Michal Kubecek
2020-04-30  5:00     ` Oleksij Rempel
2020-04-30  8:20       ` Michal Kubecek
2020-04-30 12:09         ` Oleksij Rempel
2020-04-30 12:25           ` Michal Kubecek
2020-04-28  7:53 ` [PATCH net-next v3 2/2] net: phy: tja11xx: add support for master-slave configuration Oleksij Rempel
2020-04-29 18:20   ` Andrew Lunn [this message]
2020-04-30  5:03     ` Oleksij Rempel

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