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From: Andrew Lunn <andrew@lunn.ch>
To: Jakub Kicinski <kuba@kernel.org>
Cc: Igor Russkikh <irusskikh@marvell.com>,
	netdev@vger.kernel.org, "David S . Miller" <davem@davemloft.net>
Subject: Re: [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver
Date: Wed, 30 Sep 2020 02:16:40 +0200	[thread overview]
Message-ID: <20200930001640.GB4012000@lunn.ch> (raw)
In-Reply-To: <20200929170948.545826c0@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>

On Tue, Sep 29, 2020 at 05:09:48PM -0700, Jakub Kicinski wrote:
> On Tue, 29 Sep 2020 20:47:23 +0200 Andrew Lunn wrote:
> > > Do you mean report supported range via extack?  
> > 
> > Yes.
> > 
> > 811ac400ea33 ("net: phy: dp83869: Add speed optimization feature")
> > 
> > was merged recently. It has:
> > 
> > +       default:
> > +               phydev_err(phydev,
> > +                          "Downshift count must be 1, 2, 4 or 8\n");
> > +               return -EINVAL;
> > 
> > and there are more examples in PHY drivers where it would be good to
> > tell the uses what the valid values are. I guess most won't see this
> > kernel message, but if netlink ethtool printed:
> > 
> > Invalid Argument: Downshift count must be 1, 2, 4 or 8
> > 
> > it would be a lot more user friendly.
> 
> Ah, now I recall, we already discussed this.
> 
> FWIW we could provision for the extack and just pass NULL for now?
> Would that be too ugly?

If Michal does not have any code lying around in a drawer, what might
be a good idea. For the old IOCTL we will need to pass a NULL anyway.

  Andrew

  reply	other threads:[~2020-09-30  0:16 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-29 16:13 [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver Igor Russkikh
2020-09-29 16:13 ` [PATCH net-next 1/3] ethtool: allow netdev driver to define phy tunables Igor Russkikh
2020-09-29 16:13 ` [PATCH net-next 2/3] net: atlantic: implement phy downshift feature Igor Russkikh
2020-09-29 17:10   ` Andrew Lunn
2020-09-30  8:34     ` Igor Russkikh
2020-09-29 16:13 ` [PATCH net-next 3/3] net: atlantic: implement media detect feature via phy tunables Igor Russkikh
2020-09-29 17:18   ` Andrew Lunn
2020-09-30  8:37     ` Igor Russkikh
2020-09-30 14:22       ` Andrew Lunn
2020-10-01 10:18         ` [EXT] " Igor Russkikh
2020-10-01 12:56           ` Andrew Lunn
2020-09-29 17:04 ` [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver Andrew Lunn
2020-09-29 17:33   ` Jakub Kicinski
2020-09-29 18:47     ` Andrew Lunn
2020-09-30  0:09       ` Jakub Kicinski
2020-09-30  0:16         ` Andrew Lunn [this message]
2020-09-30 15:03   ` ethtool/phy tunables and extack (was Re: [PATCH net-next 0/3] net: atlantic: phy tunables from mac driver) Michal Kubecek
2020-09-30 15:16     ` Andrew Lunn
2020-09-30 15:31       ` Michal Kubecek

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