Re: [PATCH net-next] net: phy: at803x: Use a helper to check for phy reset existence

[Andrew Lunn]

On Wed, Jul 15, 2026 at 12:13:54PM +0200, Maxime Chevallier wrote:
> The at803x family of devices are subjected to an errata that requires
> hard-reseting the PHY upon link change.
> 
> That can only work if there's a physical reset line wired to the PHY,
> which the driver checks by looking if there's a reset GPIO configured
> for the MDIO device.
> 
> The reset may however be controlled through a reset controller, which
> isn't accounted for in the errata handling.
> 
> Besides that, PHY drivers aren't expected to directly access the
> mdiodev's resources directly, let's therefore wrap this with a phylib
> helper, that uses a similar mdio helper to check for reset existence.
> 
> This was found in preparation for bus-level resource management for
> better mdio scan support.
> 
> Signed-off-by: Maxime Chevallier <maxime.chevallier@xxxxxxxxxxx>

Reviewed-by: Andrew Lunn <andrew@xxxxxxx>

    Andrew