netdev - Re: [PATCH net-next] net: phy: extend genphy_c45_read_eee_abilities() to read capability 2 register

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Message-ID: <20240102155014.7e1ccc4d@kernel.org>
Date: Tue, 2 Jan 2024 15:50:14 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Andrew Lunn <andrew@...n.ch>, Russell King <rmk+kernel@...linux.org.uk>
Cc: Marek Behún <kabel@...nel.org>, netdev@...r.kernel.org,
 "David S. Miller" <davem@...emloft.net>, Paolo Abeni <pabeni@...hat.com>
Subject: Re: [PATCH net-next] net: phy: extend
 genphy_c45_read_eee_abilities() to read capability 2 register

On Wed, 20 Dec 2023 17:12:58 +0100 Marek Behún wrote:
> Extend the generic clause 45 PHY function reading EEE abilities to also
> read the IEEE 802.3-2018 45.2.3.11 "EEE control and capability 2"
> register.
> 
> The new helpers mii_eee_cap2_mod_linkmode_t() and
> linkmode_to_mii_eee_cap2_t() only parse the 2500baseT and 5000baseT
> EEE bits. The standard also defines bits for 400000baseR, 200000baseR
> and 25000baseT, but we don't have ethtool link bits for those now.

Andrew, Russell? Looks good?