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From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: Florian Fainelli <florian.fainelli@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>,
	Heiner Kallweit <hkallweit1@gmail.com>,
	Alexandre Torgue <alexandre.torgue@foss.st.com>,
	bcm-kernel-feedback-list@broadcom.com,
	Byungho An <bh74.an@samsung.com>,
	Clark Wang <xiaoning.wang@nxp.com>,
	"David S. Miller" <davem@davemloft.net>,
	Doug Berger <opendmb@gmail.com>,
	Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>,
	Jose Abreu <joabreu@synopsys.com>,
	Justin Chen <justin.chen@broadcom.com>,
	linux-arm-kernel@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com,
	Maxime Coquelin <mcoquelin.stm32@gmail.com>,
	netdev@vger.kernel.org, NXP Linux Team <linux-imx@nxp.com>,
	Paolo Abeni <pabeni@redhat.com>,
	Shenwei Wang <shenwei.wang@nxp.com>,
	Vladimir Oltean <olteanv@gmail.com>, Wei Fang <wei.fang@nxp.com>
Subject: Re: [PATCH net-next 4/6] net: bcmgenet: remove eee_enabled/eee_active in bcmgenet_get_eee()
Date: Sun, 4 Feb 2024 12:02:28 +0000	[thread overview]
Message-ID: <Zb981J0wwFYhXPEo@shell.armlinux.org.uk> (raw)
In-Reply-To: <4586d004-a7b7-4e60-9493-0a1bbe7d79ba@broadcom.com>

On Fri, Feb 02, 2024 at 05:21:57PM -0800, Florian Fainelli wrote:
> 
> 
> On 2/2/2024 5:17 PM, Florian Fainelli wrote:
> > 
> > 
> > On 2/2/2024 1:34 AM, Russell King (Oracle) wrote:
> > > bcmgenet_get_eee() sets edata->eee_active and edata->eee_enabled from
> > > its own copy, and then calls phy_ethtool_get_eee() which in turn will
> > > call genphy_c45_ethtool_get_eee().
> > > 
> > > genphy_c45_ethtool_get_eee() will overwrite eee_enabled and eee_active
> > > with its own interpretation from the PHYs settings and negotiation
> > > result.
> > > 
> > > Therefore, setting these members in bcmgenet_get_eee() is redundant,
> > > and can be removed. This also makes priv->eee.eee_active unnecessary,
> > > so remove this and use a local variable where appropriate.
> > > 
> > > Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
> > 
> > Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
> > 
> > Is not there an opportunity for no longer overriding eee_enabled as well
> > since genphy_c45_ethtool_get_eee() will set that variable too?
> 
> Scratch that comment, you are doing it in the getter.

Also, priv->eee.eee_enabled is used in bcmmii.c, so we can't get rid of
it in the setter.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

  reply	other threads:[~2024-02-04 12:02 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-02  9:33 [PATCH net-next 0/6] net: eee network driver cleanups Russell King (Oracle)
2024-02-02  9:33 ` [PATCH net-next 1/6] net: stmmac: remove eee_enabled/eee_active in stmmac_ethtool_op_get_eee() Russell King (Oracle)
2024-02-02 13:15   ` Andrew Lunn
2024-02-03  1:22   ` Florian Fainelli
2024-02-02  9:33 ` [PATCH net-next 2/6] net: sxgbe: remove eee_enabled/eee_active in sxgbe_get_eee() Russell King (Oracle)
2024-02-02 13:18   ` Andrew Lunn
2024-02-02  9:33 ` [PATCH net-next 3/6] net: fec: remove eee_enabled/eee_active in fec_enet_get_eee() Russell King (Oracle)
2024-02-02 13:22   ` Andrew Lunn
2024-02-02 13:45     ` Russell King (Oracle)
2024-02-02  9:34 ` [PATCH net-next 4/6] net: bcmgenet: remove eee_enabled/eee_active in bcmgenet_get_eee() Russell King (Oracle)
2024-02-02 13:25   ` Andrew Lunn
2024-02-03  1:17   ` Florian Fainelli
2024-02-03  1:21     ` Florian Fainelli
2024-02-04 12:02       ` Russell King (Oracle) [this message]
2024-02-02  9:34 ` [PATCH net-next 5/6] net: bcmasp: remove eee_enabled/eee_active in bcmasp_get_eee() Russell King (Oracle)
2024-02-02 13:26   ` Andrew Lunn
2024-02-03  1:18   ` Florian Fainelli
2024-02-02  9:34 ` [PATCH net-next 6/6] net: dsa: b53: remove eee_enabled/eee_active in b53_get_mac_eee() Russell King (Oracle)
2024-02-02 13:27   ` Andrew Lunn
2024-02-03  1:22   ` Florian Fainelli

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