netdev - Re: [PATCH] net: phy: mdio-moxart: remove unneeded include

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Date:   Thu, 14 May 2020 19:20:32 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S . Miller" <davem@...emloft.net>,
        netdev <netdev@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: Re: [PATCH] net: phy: mdio-moxart: remove unneeded include

czw., 14 maj 2020 o 19:13 Florian Fainelli <f.fainelli@...il.com> napisał(a):
>
>
>
> On 5/14/2020 9:59 AM, Bartosz Golaszewski wrote:
> > From: Bartosz Golaszewski <bgolaszewski@...libre.com>
> >
> > mdio-moxart doesn't use regulators in the driver code. We can remove
> > the regulator include.
> >
> > Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
>
> Reviewed-by: Florian Fainelli <f.fainelli@...il.com>
> --
> Florian

Hi Andrew, Florian,

I noticed this by accident when I was looking at the PHY drivers to
see how they handle regulators supplying PHYs. In the case of the
MediaTek Pumpkin board I'm working on - the PHY is a Realtek RTL8201F
and it's supplied by a regulator that's enabled on boot by the
relevant PMIC driver. I'd like to model it in the device-tree but I'm
not sure what the correct approach is. Some ethernet drivers have a
phy-supply property but it looks wrong to me - IMO this should be
handled at the PHY driver level. Is it fine if I add a probe()
callback to the realtek driver and retrieve the "phy-supply" there?

Bart