lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:   Mon, 7 Feb 2022 09:40:39 -0800
From:   Jakub Kicinski <>
To:     Pavel Parkhomenko <>
Cc:     Andrew Lunn <>,
        Heiner Kallweit <>,
        Russell King <>,
        "David S. Miller" <>,
        Florian Fainelli <>,
        Alexey Malahov <>,
        Serge Semin <>,
        Serge Semin <>,
        Russell King <>,
        <>, <>
Subject: Re: [PATCH net v2] net: phy: marvell: Fix RGMII Tx/Rx delays
 setting in 88e1121-compatible PHYs

On Sat, 5 Feb 2022 23:39:32 +0300 Pavel Parkhomenko wrote:
> It is mandatory for a software to issue a reset upon modifying RGMII
> Receive Timing Control and RGMII Transmit Timing Control bit fields of MAC
> Specific Control register 2 (page 2, register 21) otherwise the changes
> won't be perceived by the PHY (the same is applicable for a lot of other
> registers). Not setting the RGMII delays on the platforms that imply it'
> being done on the PHY side will consequently cause the traffic loss. We
> discovered that the denoted soft-reset is missing in the
> m88e1121_config_aneg() method for the case if the RGMII delays are
> modified but the MDIx polarity isn't changed or the auto-negotiation is
> left enabled, thus causing the traffic loss on our platform with Marvell
> Alaska 88E1510 installed. Let's fix that by issuing the soft-reset if the
> delays have been actually set in the m88e1121_config_aneg_rgmii_delays()
> method.
> Fixes: d6ab93364734 ("net: phy: marvell: Avoid unnecessary soft reset")
> Signed-off-by: Pavel Parkhomenko <>
> Reviewed-by: Russell King (Oracle) <>
> Reviewed-by: Serge Semin <>
> Cc:
> ---
> Link:
> Changelog v2:
> - Add "net" suffix into the PATCH-clause of the subject.
> - Cc the patch to the stable tree list.
> - Rebase onto the latset netdev/net branch with the top commit 59085208e4a2
> ("net: mscc: ocelot: fix all IP traffic getting trapped to CPU with PTP over IP")

This patch is valid and waiting to be reviewed & applied, right?
I see it's marked as Superseded in patchwork, but can't track down a v3.

Powered by blists - more mailing lists