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Message-ID: <ZZV7OerAJWGkSL1I@shell.armlinux.org.uk>
Date: Wed, 3 Jan 2024 15:20:25 +0000
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Maxime Chevallier <maxime.chevallier@...tlin.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com,
	Andrew Lunn <andrew@...n.ch>, Jakub Kicinski <kuba@...nel.org>,
	Eric Dumazet <edumazet@...gle.com>, Paolo Abeni <pabeni@...hat.com>,
	linux-arm-kernel@...ts.infradead.org,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	Herve Codina <herve.codina@...tlin.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Köry Maincent <kory.maincent@...tlin.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Jonathan Corbet <corbet@....net>,
	Marek Behún <kabel@...nel.org>,
	Piergiorgio Beruto <piergiorgio.beruto@...il.com>,
	Oleksij Rempel <o.rempel@...gutronix.de>,
	Nicolò Veronese <nicveronese@...il.com>,
	Simon Horman <horms@...nel.org>
Subject: Re: [PATCH net-next v5 02/13] net: sfp: pass the phy_device when
 disconnecting an sfp module's PHY

On Thu, Dec 21, 2023 at 07:00:35PM +0100, Maxime Chevallier wrote:
> Pass the phy_device as a parameter to the sfp upstream .disconnect_phy
> operation. This is preparatory work to help track phy devices across
> a net_device's link.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@...tlin.com>
> ---
> V5: No changes
> V4: No changes
> V3: No changes
> 
>  drivers/net/phy/phy_device.c | 8 ++++++++
>  drivers/net/phy/phylink.c    | 3 ++-
>  drivers/net/phy/sfp-bus.c    | 4 ++--
>  include/linux/sfp.h          | 2 +-
>  4 files changed, 13 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index d7c0812bd107..aad78e3f7894 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -266,6 +266,14 @@ static void phy_mdio_device_remove(struct mdio_device *mdiodev)
>  
>  static struct phy_driver genphy_driver;
>  
> +static struct phy_link_topology *phy_get_link_topology(struct phy_device *phydev)
> +{
> +	if (phydev->attached_dev)
> +		return &phydev->attached_dev->link_topo;
> +
> +	return NULL;
> +}
> +
>  static LIST_HEAD(phy_fixup_list);
>  static DEFINE_MUTEX(phy_fixup_lock);
>  

This should be in a different patch, it seems unrelated to the remainder
of this patch, and as it's static and no other changes to this file,
this would cause a build warning.

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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