From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Jerry Ray <jerry.ray@microchip.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <olteanv@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
jbe@pengutronix.de, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH net-next v6 6/6] dsa: lan9303: Migrate to PHYLINK
Date: Thu, 12 Jan 2023 11:48:39 +0000 [thread overview]
Message-ID: <Y7/zlzcyTsF+z0cN@shell.armlinux.org.uk> (raw)
In-Reply-To: <20230109211849.32530-7-jerry.ray@microchip.com>
On Mon, Jan 09, 2023 at 03:18:49PM -0600, Jerry Ray wrote:
> +static void lan9303_phylink_get_caps(struct dsa_switch *ds, int port,
> + struct phylink_config *config)
> +{
> + struct lan9303 *chip = ds->priv;
> +
> + dev_dbg(chip->dev, "%s(%d) entered.", __func__, port);
> +
> + config->mac_capabilities = MAC_10 | MAC_100 | MAC_ASYM_PAUSE |
> + MAC_SYM_PAUSE;
You indicate that pause modes are supported, but...
> +static void lan9303_phylink_mac_link_up(struct dsa_switch *ds, int port,
> + unsigned int mode,
> + phy_interface_t interface,
> + struct phy_device *phydev, int speed,
> + int duplex, bool tx_pause,
> + bool rx_pause)
> +{
> + u32 ctl;
> +
> + /* On this device, we are only interested in doing something here if
> + * this is the xMII port. All other ports are 10/100 phys using MDIO
> + * to control there link settings.
> + */
> + if (port != 0)
> + return;
> +
> + ctl = lan9303_phy_read(ds, port, MII_BMCR);
> +
> + ctl &= ~BMCR_ANENABLE;
> +
> + if (speed == SPEED_100)
> + ctl |= BMCR_SPEED100;
> + else if (speed == SPEED_10)
> + ctl &= ~BMCR_SPEED100;
> + else
> + dev_err(ds->dev, "unsupported speed: %d\n", speed);
> +
> + if (duplex == DUPLEX_FULL)
> + ctl |= BMCR_FULLDPLX;
> + else
> + ctl &= ~BMCR_FULLDPLX;
> +
> + lan9303_phy_write(ds, port, MII_BMCR, ctl);
There is no code here to program the resolved pause modes. Is it handled
internally within the switch? (Please add a comment to this effect
either in get_caps or here.)
Thanks.
--
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
next prev parent reply other threads:[~2023-01-12 11:57 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-09 21:18 [PATCH net-next v6 0/6] dsa: lan9303: Move to PHYLINK Jerry Ray
2023-01-09 21:18 ` [PATCH net-next v6 1/6] dsa: lan9303: align dsa_switch_ops members Jerry Ray
2023-01-11 22:04 ` Vladimir Oltean
2023-01-11 22:07 ` Florian Fainelli
2023-01-09 21:18 ` [PATCH net-next v6 2/6] dsa: lan9303: move Turbo Mode bit init Jerry Ray
2023-01-14 20:49 ` Vladimir Oltean
2023-01-16 18:03 ` Jerry.Ray
2023-01-16 18:06 ` Jerry.Ray
2023-01-09 21:18 ` [PATCH net-next v6 3/6] dsa: lan9303: Add exception logic for read failure Jerry Ray
2023-01-09 21:18 ` [PATCH net-next v6 4/6] dsa: lan9303: write reg only if necessary Jerry Ray
2023-01-09 21:18 ` [PATCH net-next v6 5/6] dsa: lan9303: Port 0 is xMII port Jerry Ray
2023-01-14 20:53 ` Vladimir Oltean
2023-01-16 18:05 ` Jerry.Ray
2023-01-09 21:18 ` [PATCH net-next v6 6/6] dsa: lan9303: Migrate to PHYLINK Jerry Ray
2023-01-12 5:22 ` Arun.Ramadoss
2023-01-16 17:33 ` Jerry.Ray
2023-01-12 11:48 ` Russell King (Oracle) [this message]
2023-01-16 17:22 ` Jerry.Ray
2023-01-16 18:03 ` Russell King (Oracle)
2023-01-16 22:48 ` Jerry.Ray
2023-01-17 18:19 ` Russell King (Oracle)
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