netdev - Re: [PATCH v2] net: phy: dp83867: perform soft reset and retain established link

lists.openwall.net		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 linux-cve-announce 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:   Thu, 10 Jun 2021 06:07:25 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     praneeth@...com
Cc:     Geet Modi <geet.modi@...com>, netdev@...r.kernel.org,
        "David S . Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] net: phy: dp83867: perform soft reset and retain
 established link

On Wed, Jun 09, 2021 at 07:43:42PM -0500, praneeth@...com wrote:
> From: Praneeth Bajjuri <praneeth@...com>
> 
> Current logic is performing hard reset and causing the programmed
> registers to be wiped out.
> 
> as per datasheet: https://www.ti.com/lit/ds/symlink/dp83867cr.pdf
> 8.6.26 Control Register (CTRL)
> 
> do SW_RESTART to perform a reset not including the registers,
> If performed when link is already present,
> it will drop the link and trigger re-auto negotiation.
> 
> Signed-off-by: Praneeth Bajjuri <praneeth@...com>
> Signed-off-by: Geet Modi <geet.modi@...com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew