linux-kernel - Re: [PATCH v4.4] net: phy: Add driver for Motorcomm yt8521 gigabit ethernet phy

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Date:   Tue, 23 Aug 2022 21:19:52 +0100
From:   "Russell King (Oracle)" <linux@...linux.org.uk>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Jakub Kicinski <kuba@...nel.org>, Frank <Frank.Sae@...or-comm.com>,
        Peter Geis <pgwipeout@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, yinghong.zhang@...or-comm.com,
        fei.zhang@...or-comm.com, hua.sun@...or-comm.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4.4] net: phy: Add driver for Motorcomm yt8521 gigabit
 ethernet phy

On Tue, Aug 23, 2022 at 08:53:54PM +0200, Andrew Lunn wrote:
> > > The user could of changed the pause settings, which are going to be
> > > ignored here. Also, you should not assume the MAC can actually do
> > > asymmetric pause, not all can. phydev->advertising will be set to only
> > > include what the MAC can actually do.
>  
> > Interesting. Just to confirm - regardless of the two-sided design..
> > -edness.. IIUC my question has merit and we need v5?
> 
> Yes, phydev->advertising should be take into account.

It's worth pointing out that there is a helper for this -
linkmode_adv_to_mii_adv_x().

-- 
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