From: Andrew Lunn <andrew@lunn.ch>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: netdev <netdev@vger.kernel.org>,
Florian Fainelli <f.fainelli@gmail.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>,
Sean Wang <sean.wang@mediatek.com>,
Landen Chao <Landen.Chao@mediatek.com>,
DENG Qingfang <dqfext@gmail.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Doug Berger <opendmb@gmail.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Wei Fang <wei.fang@nxp.com>, Shenwei Wang <shenwei.wang@nxp.com>,
Clark Wang <xiaoning.wang@nxp.com>,
NXP Linux Team <linux-imx@nxp.com>,
UNGLinuxDriver@microchip.com, Byungho An <bh74.an@samsung.com>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Jose Abreu <joabreu@synopsys.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Heiner Kallweit <hkallweit1@gmail.com>,
Woojung Huh <woojung.huh@microchip.com>,
Oleksij Rempel <linux@rempel-privat.de>
Subject: Re: [PATCH RFC 01/18] net: phy: Add phydev->eee_active to simplify adjust link callbacks
Date: Fri, 17 Feb 2023 14:37:01 +0100 [thread overview]
Message-ID: <Y++C/dklM39jjOeT@lunn.ch> (raw)
In-Reply-To: <Y+9mv0E9pca1tuPP@shell.armlinux.org.uk>
On Fri, Feb 17, 2023 at 11:36:31AM +0000, Russell King (Oracle) wrote:
> On Fri, Feb 17, 2023 at 04:42:13AM +0100, Andrew Lunn wrote:
> > MAC drivers which support EEE need to know the results of the EEE
> > auto-neg in order to program the hardware to perform EEE or not. The
> > oddly named phy_init_eee() can be used to determine this, it returns 0
> > if EEE should be used, or a negative error code,
> > e.g. -EOPPROTONOTSUPPORT if the PHY does not support EEE or negotiate
> > resulted in it not being used.
> >
> > However, many MAC drivers get this wrong. Add phydev->eee_active which
> > indicates the result of the autoneg for EEE, including if EEE is
> > administratively disabled with ethtool. The MAC driver can then access
> > this in the same way as link speed and duplex in the adjust link
> > callback.
> >
> > Signed-off-by: Andrew Lunn <andrew@lunn.ch>
>
> Yay!
>
> Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Hi Russell
I did wonder about making this a parameter for phylink mac up
callback, rather than having the driver look inside phydev. It is
something which can be done later.
Andrew
next prev parent reply other threads:[~2023-02-17 13:58 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-17 3:42 [PATCH RFC 00/18] Rework MAC drivers EEE support Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 01/18] net: phy: Add phydev->eee_active to simplify adjust link callbacks Andrew Lunn
2023-02-17 9:09 ` Oleksij Rempel
2023-02-17 13:35 ` Andrew Lunn
2023-02-17 11:36 ` Russell King (Oracle)
2023-02-17 13:37 ` Andrew Lunn [this message]
2023-02-17 3:42 ` [PATCH RFC 02/18] net: phy: Add helper to set EEE Clock stop enable bit Andrew Lunn
2023-02-17 13:33 ` Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 03/18] net: marvell: mvneta: Simplify EEE configuration Andrew Lunn
2023-02-17 11:35 ` Russell King (Oracle)
2023-02-17 11:59 ` Russell King (Oracle)
2023-02-17 13:13 ` Russell King (Oracle)
2023-02-17 13:45 ` Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 04/18] net: stmmac: Drop usage of phy_init_eee() Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 05/18] net: stmmac: Simplify ethtool get eee Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 06/18] net: lan743x: Fixup EEE Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 07/18] net: fec: Move fec_enet_eee_mode_set() and helper earlier Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 08/18] net: FEC: Fixup EEE Andrew Lunn
2023-02-17 8:19 ` Oleksij Rempel
2023-02-17 12:32 ` Russell King (Oracle)
2023-02-17 13:58 ` Andrew Lunn
2023-02-18 2:00 ` Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 09/18] net: genet: " Andrew Lunn
2023-02-17 3:48 ` Florian Fainelli
2023-02-17 14:00 ` Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 10/18] net: sxgdb: " Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 11/18] net: dsa: mt7530: Swap to using phydev->eee_active Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 12/18] net: dsa: mt7530: Call phylib for set_eee and get_eee Andrew Lunn
2023-02-17 11:48 ` Russell King (Oracle)
2023-02-17 14:10 ` Andrew Lunn
2023-02-18 2:10 ` Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 13/18] net: dsa: b53: Swap to using phydev->eee_active Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 14/18] net: dsa: b53: Call phylib for set_eee and get_eee Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 15/18] net: phylink: Remove unused phylink_init_eee() Andrew Lunn
2023-02-17 11:42 ` Russell King (Oracle)
2023-02-17 3:42 ` [PATCH RFC 16/18] net: phylink: Update comment about configuring EEE in mac_link_up() Andrew Lunn
2023-02-17 11:43 ` Russell King (Oracle)
2023-02-17 3:42 ` [PATCH RFC 17/18] net: phy: remove unused phy_init_eee() Andrew Lunn
2023-02-17 3:42 ` [PATCH RFC 18/18] net: usb: lan78xx: Fixup EEE Andrew Lunn
2023-02-17 11:42 ` [PATCH RFC 00/18] Rework MAC drivers EEE support Russell King (Oracle)
2023-02-17 14:17 ` Andrew Lunn
2023-02-17 14:25 ` Russell King (Oracle)
2023-02-18 12:25 ` Oleksij Rempel
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