netdev - Re: [PATCH] ARM: dts: ls1021a: Specify TBIPA register address

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]

Message-Id: <20180408.124509.41759803832731428.davem@davemloft.net>
Date:   Sun, 08 Apr 2018 12:45:09 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     esben.haabendal@...il.com
Cc:     netdev@...r.kernel.org, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        claudiu.manoil@...escale.com, garsilva@...eddedor.com, eha@...f.com
Subject: Re: [PATCH] ARM: dts: ls1021a: Specify TBIPA register address

From: Esben Haabendal <esben.haabendal@...il.com>
Date: Fri,  6 Apr 2018 14:46:35 +0200

> From: Esben Haabendal <eha@...f.com>
> 
> The current (mildly evil) fsl_pq_mdio code uses an undocumented shadow of
> the TBIPA register on LS1021A, which happens to be read-only.
> Changing TBI PHY address therefore does not work on LS1021A.
> 
> The real (and documented) address of the TBIPA registere lies in the eTSEC
> block and not in MDIO/MII, which is read/write, so using that fixes
> the problem.
> 
> Signed-off-by: Esben Haabendal <eha@...f.com>

Applied.