linux-kernel - Re: [PATCH net-next 5/7] net: lan743x: Add support to the Phylink framework

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Message-ID: <20230724082449.GA17358@raju-project-pc>
Date:   Mon, 24 Jul 2023 13:54:49 +0530
From:   Raju Lakkaraju <Raju.Lakkaraju@...rochip.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
CC:     <netdev@...r.kernel.org>, <davem@...emloft.net>, <kuba@...nel.org>,
        <linux-kernel@...r.kernel.org>, <bryan.whitehead@...rochip.com>,
        <andrew@...n.ch>, <UNGLinuxDriver@...rochip.com>
Subject: Re: [PATCH net-next 5/7] net: lan743x: Add support to the Phylink
 framework

Hi Russell King,

Thank you for review comments.

The 07/21/2023 12:57, Russell King (Oracle) wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Fri, Jul 21, 2023 at 09:49:06AM +0100, Russell King (Oracle) wrote:
> > On Fri, Jul 21, 2023 at 11:30:17AM +0530, Raju Lakkaraju wrote:
> > > +static void lan743x_phylink_mac_config(struct phylink_config *config,
> > > +                                  unsigned int link_an_mode,
> > > +                                  const struct phylink_link_state *state)
> > > +{
> > > +   struct net_device *netdev = to_net_dev(config->dev);
> > > +   struct lan743x_adapter *adapter = netdev_priv(netdev);
> > > +   bool status;
> > > +   int ret;
> > > +
> > > +   lan743x_mac_cfg_update(adapter, state->link, state->speed,
> > > +                          state->advertising);
> >
> > Please, no new state->speed users in mac_config().
> 
> I have just submitted a patch series that results in state->speed always
> being set to SPEED_UNKNOWN when this function is called to prevent
> future uses of this struct member.

Still, these changes are not available in "net-next" branch.
I will check and fix.

> 
> > > +   adapter->phylink_config.dev = &netdev->dev;
> > > +   adapter->phylink_config.type = PHYLINK_NETDEV;
> > > +   adapter->phylink_config.mac_managed_pm = true;
> > > +   /* This driver makes use of state->speed in mac_config */
> > > +   adapter->phylink_config.legacy_pre_march2020 = true;
> >
> > Sorry, but no new users of legacy features.
> 
> ... and which totally strips out the legacy phylink code, which I've
> been wanting to remove for the last three years.
> 
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

-- 
Thanks,
Raju