netdev - Re: [PATCH 1/3] ARM: dts: imx51: ZII: Add missing phy-mode

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:   Mon, 10 Apr 2023 13:59:06 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     Russell King <rmk+kernel@...linux.org.uk>, shawnguo@...nel.org,
        s.hauer@...gutronix.de, arm-soc <arm@...nel.org>,
        netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH 1/3] ARM: dts: imx51: ZII: Add missing phy-mode

> Actually, looking at mv88e6xxx_translate_cmode() right now, I guess it's
> not exactly true that the value is going to be ignored, whatever it is.
> A CMODE of MV88E6XXX_PORT_STS_CMODE_MII_PHY is not going to be translated
> into "rev-mii", but into "mii", same as MV88E6XXX_PORT_STS_CMODE_MII.
> Same for MV88E6XXX_PORT_STS_CMODE_RMII_PHY ("rmii" and not "rev-rmii").
> So, when given "rev-mii" or "rev-rmii" as phy modes in the device tree,
> the generic phylink validation procedure should reject them for being
> unsupported.

Ah. I did not actually test this version on hardware. I was expecting
it to be ignored, since the cmode cannot be changed. I did not think
about phylink performing validation.

I will boot of one these DT files on hardware to see what happens.

	Andrew