netdev - Re: [PATCH V2 3/3] net: ks8851-ml: Fix 16-bit IO operation

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] [day] [month] [year] [list]

Date:   Sun, 16 Feb 2020 19:41:41 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     marex@...x.de
Cc:     netdev@...r.kernel.org, lukas@...ner.de, ynezz@...e.cz,
        yuehaibing@...wei.com
Subject: Re: [PATCH V2 3/3] net: ks8851-ml: Fix 16-bit IO operation

From: Marek Vasut <marex@...x.de>
Date: Sat, 15 Feb 2020 17:54:19 +0100

> The Micrel KSZ8851-16MLLI datasheet DS00002357B page 12 states that
> BE[3:0] signals are active high. This contradicts the measurements
> of the behavior of the actual chip, where these signals behave as
> active low. For example, to read the CIDER register, the bus must
> expose 0xc0c0 during the address phase, which means BE[3:0]=4'b1100.
> 
> Signed-off-by: Marek Vasut <marex@...x.de>

Applied.