From: Andrew Lunn <andrew@lunn.ch>
To: Sky Huang <SkyLake.Huang@mediatek.com>
Cc: Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Daniel Golle <daniel@makrotopia.org>,
Qingfang Deng <dqfext@gmail.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
Steven Liu <Steven.Liu@mediatek.com>
Subject: Re: [PATCH net-next v2 4/5] net: phy: mediatek: Extend 1G TX/RX link pulse time
Date: Sat, 18 May 2024 01:43:15 +0200 [thread overview]
Message-ID: <d4a99edc-e514-4a18-9d85-0355ddf4686a@lunn.ch> (raw)
In-Reply-To: <20240517102908.12079-5-SkyLake.Huang@mediatek.com>
> +int mtk_gphy_cl22_read_status(struct phy_device *phydev)
> +{
> + int err, old_link = phydev->link;
> + int mii_ctrl;
> +
> + /* Update the link, but return if there was an error */
> + err = genphy_update_link(phydev);
> + if (err)
> + return err;
> +
> + /* why bother the PHY if nothing can have changed */
> + if (phydev->autoneg == AUTONEG_ENABLE && old_link && phydev->link)
> + return 0;
> +
> + phydev->master_slave_get = MASTER_SLAVE_CFG_UNSUPPORTED;
> + phydev->master_slave_state = MASTER_SLAVE_STATE_UNSUPPORTED;
> + phydev->speed = SPEED_UNKNOWN;
> + phydev->duplex = DUPLEX_UNKNOWN;
> + phydev->pause = 0;
> + phydev->asym_pause = 0;
> +
> + if (phydev->is_gigabit_capable) {
> + err = genphy_read_master_slave(phydev);
> + if (err < 0)
> + return err;
> + }
> +
> + err = genphy_read_lpa(phydev);
> + if (err < 0)
> + return err;
> +
> + if (phydev->autoneg == AUTONEG_ENABLE) {
> + if (phydev->autoneg_complete) {
> + phy_resolve_aneg_linkmode(phydev);
> + } else {
> + mii_ctrl = phy_read(phydev, MII_CTRL1000);
> + if ((mii_ctrl & ADVERTISE_1000FULL) || (mii_ctrl & ADVERTISE_1000HALF))
> + extend_an_new_lp_cnt_limit(phydev);
This all looks very similar to genphy_read_status(), except these
three.
Would it be possible to call genphy_read_status() to do most of the
work, and then do these couple of lines of code.
Andrew
next prev parent reply other threads:[~2024-05-17 23:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-17 10:29 [PATCH net-next v2 0/5] net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support Sky Huang
2024-05-17 10:29 ` [PATCH net-next v2 1/5] net: phy: mediatek: Re-organize MediaTek ethernet phy drivers Sky Huang
2024-05-18 18:19 ` kernel test robot
2024-05-18 19:02 ` kernel test robot
2024-05-17 10:29 ` [PATCH net-next v2 2/5] net: phy: mediatek: Move LED and read/write page helper functions into mtk phy lib Sky Huang
2024-05-18 21:30 ` kernel test robot
2024-05-17 10:29 ` [PATCH net-next v2 3/5] net: phy: mediatek: Add token ring access helper functions in mtk-phy-lib Sky Huang
2024-05-17 10:29 ` [PATCH net-next v2 4/5] net: phy: mediatek: Extend 1G TX/RX link pulse time Sky Huang
2024-05-17 23:43 ` Andrew Lunn [this message]
2024-05-20 11:43 ` SkyLake Huang (黃啟澤)
2024-05-17 10:29 ` [PATCH net-next v2 5/5] net: phy: add driver for built-in 2.5G ethernet PHY on MT7988 Sky Huang
2024-05-18 1:29 ` Andrew Lunn
2024-05-20 11:49 ` SkyLake Huang (黃啟澤)
2024-05-20 13:02 ` Andrew Lunn
2024-05-20 17:48 ` Russell King (Oracle)
2024-05-21 9:36 ` SkyLake Huang (黃啟澤)
2024-05-17 19:10 ` [PATCH net-next v2 0/5] net: phy: mediatek: Introduce mtk-phy-lib and add 2.5Gphy support Jakub Kicinski
2024-05-20 11:53 ` SkyLake Huang (黃啟澤)
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