Re: [net-next PATCH v3 2/5] net/fsl: store mdiobus fwnode

[Andrew Lunn <andrew@lunn.ch>]

On Wed, Jul 08, 2020 at 11:04:32PM +0530, Calvin Johnson wrote:
> Store fwnode for mdiobus in the bus structure so that it can
> later be retrieved and used whenever mdiobus fwnode information
> is required.
> 
> Signed-off-by: Calvin Johnson <calvin.johnson@oss.nxp.com>
> ---
> 
> Changes in v3: None
> Changes in v2: None
> 
>  drivers/net/ethernet/freescale/xgmac_mdio.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
> index 98be51d8b08c..8189c86d5a44 100644
> --- a/drivers/net/ethernet/freescale/xgmac_mdio.c
> +++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
> @@ -269,6 +269,8 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
>  	bus->write = xgmac_mdio_write;
>  	bus->parent = &pdev->dev;
>  	bus->probe_capabilities = MDIOBUS_C22_C45;
> +	if (pdev->dev.fwnode)
> +		bus->dev.fwnode = pdev->dev.fwnode;

This is pretty fundamental to making this work. In the device tree
world, this is setup by of_mdiobus_register(). Maybe we need an
fwnode_mdiobus_register(), just to ensure the next device wanting to
do ACPI does not forget this?

   Andrew