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From: "Marek Behún" <kabel@kernel.org>
To: "Russell King (Oracle)" <linux@armlinux.org.uk>
Cc: netdev@vger.kernel.org, Andrew Lunn <andrew@lunn.ch>,
	Jakub Kicinski <kuba@kernel.org>,
	davem@davemloft.net
Subject: Re: [PATCH net 3/6] net: dsa: mv88e6xxx: Save power by disabling SerDes trasmitter and receiver
Date: Tue, 30 Nov 2021 01:13:28 +0100	[thread overview]
Message-ID: <20211130011328.42328281@thinkpad> (raw)
In-Reply-To: <YaVc/nEDztt5kch9@shell.armlinux.org.uk>

On Mon, 29 Nov 2021 23:06:38 +0000
"Russell King (Oracle)" <linux@armlinux.org.uk> wrote:

> On Mon, Nov 29, 2021 at 08:58:20PM +0100, Marek Behún wrote:
> > +static int mv88e6393x_serdes_power_lane(struct mv88e6xxx_chip *chip, int lane,
> > +					bool on)
> > +{
> > +	u16 reg;
> > +	int err;
> > +
> > +	err = mv88e6390_serdes_read(chip, lane, MDIO_MMD_PHYXS,
> > +				    MV88E6393X_SERDES_CTRL1, &reg);
> > +	if (err)
> > +		return err;
> > +
> > +	if (on)
> > +		reg &= !(MV88E6393X_SERDES_CTRL1_TX_PDOWN |
> > +			 MV88E6393X_SERDES_CTRL1_RX_PDOWN);  
> 
> Are you sure this is correct? Don't you want that to be ~(...) ?
> 

/o\ How did I not notice this? Thanks.

  reply	other threads:[~2021-11-30  0:13 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-29 19:58 [PATCH net 0/6] mv88e6xxx fixes (mainly 88E6393X family) Marek Behún
2021-11-29 19:58 ` [PATCH net 1/6] net: dsa: mv88e6xxx: Fix application of erratum 4.8 for 88E6393X Marek Behún
2021-11-29 19:58 ` [PATCH net 2/6] net: dsa: mv88e6xxx: Drop unnecessary check in mv88e6393x_serdes_erratum_4_6() Marek Behún
2021-11-29 19:58 ` [PATCH net 3/6] net: dsa: mv88e6xxx: Save power by disabling SerDes trasmitter and receiver Marek Behún
2021-11-29 23:06   ` Russell King (Oracle)
2021-11-30  0:13     ` Marek Behún [this message]
2021-11-29 19:58 ` [PATCH net 4/6] net: dsa: mv88e6xxx: Add fix for erratum 5.2 of 88E6393X family Marek Behún
2021-11-29 19:58 ` [PATCH net 5/6] net: dsa: mv88e6xxx: Fix inband AN for 2500base-x on " Marek Behún
2021-11-29 19:58 ` [PATCH net 6/6] net: dsa: mv88e6xxx: Link in pcs_get_state() if AN is bypassed Marek Behún
2021-11-29 23:14   ` Russell King (Oracle)
2021-11-30  0:18     ` Marek Behún
2021-11-30 16:09       ` Marek Behún
2021-11-30 16:15         ` Russell King (Oracle)
2021-11-30 16:18           ` Marek Behún
2021-11-30 16:22             ` Russell King (Oracle)

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