netdev - Re: [PATCH RFC net-next 3/7] net: dsa: use fwnode_get_phy

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Message-ID: <ZBxkZYXrfugz0gYw@smile.fi.intel.com>
Date:   Thu, 23 Mar 2023 16:38:29 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     "Russell King (Oracle)" <linux@...linux.org.uk>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Daniel Scally <djrscally@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Jakub Kicinski <kuba@...nel.org>, linux-acpi@...r.kernel.org,
        netdev@...r.kernel.org, Paolo Abeni <pabeni@...hat.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>,
        Vladimir Oltean <olteanv@...il.com>
Subject: Re: [PATCH RFC net-next 3/7] net: dsa: use fwnode_get_phy_mode() to
 get phy interface mode

On Thu, Mar 23, 2023 at 02:31:04PM +0000, Russell King (Oracle) wrote:
> On Thu, Mar 23, 2023 at 04:03:05PM +0200, Andy Shevchenko wrote:
> > On Wed, Mar 22, 2023 at 12:00:06PM +0000, Russell King (Oracle) wrote:

...

> > > +	struct fwnode_handle *fwnode;
> > 
> > > +	fwnode = of_fwnode_handle(dp->dn);
> > 
> > 	const struct fwnode_handle *fwnode = of_fwnode_handle(dp->dn);
> > 
> > ?
> 
> Why const?

Do you modify its content on the fly?

For fwnode as a basic object type we want to reduce the scope of the possible
modifications. If you don't modify and APIs you call do not require non-const
object, use const for fwnode.

...

> Why do you want it on one line? The code as written conforms to
> netdev coding standards which as you well know are different from
> the rest of the kernel.

This is up to you. I don't care.


-- 
With Best Regards,
Andy Shevchenko