Re: [net PATCH 2/2] net: phy: Skip PHY LEDs OF registration for Generic PHY driver

From: Andrew Lunn
Date: Thu Oct 03 2024 - 18:51:06 EST


On Fri, Oct 04, 2024 at 12:10:05AM +0200, Christian Marangi wrote:
> It might happen that a PHY driver fails to probe or is not present in
> the system as it's a kmod. In such case the Device Tree might have LED
> entry but the Generic PHY is probed instead.
>
> In this scenario, PHY LEDs OF registration should be skipped as
> controlling the PHY LEDs is not possible.
>
> Tested-by: Daniel Golle <daniel@xxxxxxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs")
> Signed-off-by: Christian Marangi <ansuelsmth@xxxxxxxxx>
> ---
> drivers/net/phy/phy_device.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index 499797646580..af088bf00bae 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -3411,6 +3411,11 @@ static int of_phy_leds(struct phy_device *phydev)
> struct device_node *leds;
> int err;
>
> + /* Skip LED registration if we are Generic PHY */
> + if (phy_driver_is_genphy(phydev) ||
> + phy_driver_is_genphy_10g(phydev))
> + return 0;

Why fix it link this, when what you propose for net-next, that the drv
ops must also exist, would fix it.

I don't see any need to special case genphy.

Andrew