[PATCH v7 10/10] of: mdio: Prevent of_mdiobus_register from scanning mdio-mux nodes
Rob Herring
robh at kernel.org
Tue Oct 24 11:46:54 PDT 2017
On Wed, Oct 18, 2017 at 01:44:58PM +0200, Corentin Labbe wrote:
> Each child node of an MDIO node is scanned as a PHY when calling
> of_mdiobus_register() givint the following result:
> [ 18.175379] mdio_bus stmmac-0: /soc/ethernet at 1c30000/mdio/mdio-mux has invalid PHY address
> [ 18.175408] mdio_bus stmmac-0: scan phy mdio-mux at address 0
> [ 18.175450] mdio_bus stmmac-0: scan phy mdio-mux at address 1
> [...]
> [ 18.176420] mdio_bus stmmac-0: scan phy mdio-mux at address 30
> [ 18.176452] mdio_bus stmmac-0: scan phy mdio-mux at address 31
>
> Since mdio-mux nodes are not PHY, this patch a way to to not scan
> them.
This can be dropped now, right?
>
> Signed-off-by: Corentin Labbe <clabbe.montjoie at gmail.com>
> ---
> drivers/of/of_mdio.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
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