From: "Russell King (Oracle)" <linux@armlinux.org.uk>
To: "Marek Behún" <kabel@kernel.org>
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: Mon, 29 Nov 2021 23:06:38 +0000 [thread overview]
Message-ID: <YaVc/nEDztt5kch9@shell.armlinux.org.uk> (raw)
In-Reply-To: <20211129195823.11766-4-kabel@kernel.org>
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, ®);
> + 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 ~(...) ?
--
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:[~2021-11-29 23:15 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) [this message]
2021-11-30 0:13 ` Marek Behún
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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