netdev - Re: [PATCH net v2 1/4] net: phy: MII-Lite PHY interface 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]

Message-ID: <aF6Xch-qv-3zzMja@shell.armlinux.org.uk>
Date: Fri, 27 Jun 2025 14:06:58 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Kamil Horák - 2N <kamilh@...s.com>
Cc: florian.fainelli@...adcom.com, bcm-kernel-feedback-list@...adcom.com,
	andrew@...n.ch, hkallweit1@...il.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
	krzk+dt@...nel.org, conor+dt@...nel.org, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	f.fainelli@...il.com, robh@...nel.org, andrew+netdev@...n.ch
Subject: Re: [PATCH net v2 1/4] net: phy: MII-Lite PHY interface mode

On Fri, Jun 27, 2025 at 01:23:03PM +0200, Kamil Horák - 2N wrote:
> Some Broadcom PHYs are capable to operate in simplified MII mode,
> without TXER, RXER, CRS and COL signals as defined for the MII.
> The MII-Lite mode can be used on most Ethernet controllers with full
> MII interface by just leaving the input signals (RXER, CRS, COL)
> inactive. The absence of COL signal makes half-duplex link modes
> impossible but does not interfere with BroadR-Reach link modes on
> Broadcom PHYs, because they are all full-duplex only.
> 
> Add MII-Lite interface mode, especially for Broadcom two-wire PHYs.
> 
> Signed-off-by: Kamil Horák - 2N <kamilh@...s.com>

Very sorry, but in the last review, I missed that you aren't updating
the description of interfaces in Documentation/networking/phy.rst

Please see the section "PHY interface modes".

Thanks.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!