[PATCH net-next] ARM: dts: imx6qdl: Remove unnecessary mdio #address-cells/#size-cells

[Vladimir Oltean]

Hi Fabio,

On Fri, Jul 23, 2021 at 08:28:35AM -0300, Fabio Estevam wrote:
> Since commit dabb5db17c06 ("ARM: dts: imx6qdl: move phy properties into
> phy device node") the following W=1 dtc warnings are seen:
> 
> arch/arm/boot/dts/imx6qdl-aristainetos2.dtsi:323.7-334.4: Warning (avoid_unnecessary_addr_size): /soc/bus at 2100000/ethernet at 2188000/mdio: unnecessary #address-cells/#size-cells without "ranges" or child "reg" property
> 
> Remove the unnecessary mdio #address-cells/#size-cells to fix it.
> 
> Fixes: dabb5db17c06 ("ARM: dts: imx6qdl: move phy properties into phy device node")
> Signed-off-by: Fabio Estevam <festevam at gmail.com>
> ---

Are you actually sure this is the correct fix? If I look at mdio.yaml, I
think it is pretty clear that the "ethernet-phy" subnode of the MDIO
controller must have an "@[0-9a-f]+$" pattern, and a "reg" property. If
it did, then it wouldn't warn about #address-cells.