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Message-ID: <Y5C0V52DjS+1GNhJ@gvm01>
Date:   Wed, 7 Dec 2022 16:42:15 +0100
From:   Piergiorgio Beruto <piergiorgio.beruto@...il.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     Jakub Kicinski <kuba@...nel.org>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>
Subject: Re: [PATCH v5 net-next 1/5] net/ethtool: add netlink interface for
 the PLCA RS

On Wed, Dec 07, 2022 at 03:16:00PM +0100, Andrew Lunn wrote:
> > > TBH I can't parse the "ETHTOOL_A_PLCA_VERSION is reported as 0Axx
> > > where.." sentence. Specifically I'm confused about what the 0A is.
> > How about this: "When this standard is supported, the upper byte of
> > ``ETHTOOL_A_PLCA_VERSION`` shall be 0x0A (see Table A.1.0 — IDVER 
> > bits assignment).
> 
> I think the 0x0A is pointless and should not be included here. If the
> register does not contain 0x0A, the device does not follow the open
> alliance standard, and hence the lower part of the register is
> meaningless.
> 
> This is why i suggested -ENODEV should actually be returned on invalid
> values in this register.
I already integrated this change in v5 (returning -ENODEV). Give what you're
saying, I can just remove that sentence from the documentations. Agreed?

> 
> > > >   * struct ethtool_phy_ops - Optional PHY device options
> > > >   * @get_sset_count: Get number of strings that @get_strings will write.
> > > >   * @get_strings: Return a set of strings that describe the requested objects
> > > >   * @get_stats: Return extended statistics about the PHY device.
> > > > + * @get_plca_cfg: Return PLCA configuration.
> > > > + * @set_plca_cfg: Set PLCA configuration.
> > > 
> > > missing get status in kdoc
> > Fixed. Good catch.
> 
> Building with W=1 C=2 will tell you about kerneldoc issues. Ideally we
> want all network code to be clean with these two options.
Ok thanks. I probably need to upgrade my machine to achieve this. Will
do.

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