Re: [PATCH net] net: phy: marvell: Fix MDI-x polarity setting in 88e1118-compatible PHYs

From: Andrew Lunn
Date: Sat Feb 05 2022 - 17:02:28 EST


On Sun, Feb 06, 2022 at 12:49:51AM +0300, Pavel Parkhomenko wrote:
> When setting up autonegotiation for 88E1118R and compatible PHYs,
> a software reset of PHY is issued before setting up polarity.
> This is incorrect as changes of MDI Crossover Mode bits are
> disruptive to the normal operation and must be followed by a
> software reset to take effect. Let's patch m88e1118_config_aneg()
> to fix the issue mentioned before by invoking software reset
> of the PHY just after setting up MDI-x polarity.
>
> Fixes: 605f196efbf8 ("phy: Add support for Marvell 88E1118 PHY")
> Signed-off-by: Pavel Parkhomenko <Pavel.Parkhomenko@xxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Serge Semin <fancer.lancer@xxxxxxxxx>
> Suggested-by: Andrew Lunn <andrew@xxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

Andrew