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SubjectRe: [PATCH 2/3] net: phy: set the of_node in the mdiodev's struct device
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On 06/19/2018 09:09 AM, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
>
> Copy the of_node over from mii_bus's struct device. This is needed
> for device-tree systems to be able to check the mdio device's
> compatible string.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> ---
> drivers/net/phy/phy_device.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c
> index bd0f339f69fd..a92d5ee61813 100644
> --- a/drivers/net/phy/phy_device.c
> +++ b/drivers/net/phy/phy_device.c
> @@ -411,6 +411,7 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, int phy_id,
> mdiodev->dev.parent = &bus->dev;
> mdiodev->dev.bus = &mdio_bus_type;
> mdiodev->dev.type = &mdio_bus_phy_type;
> + mdiodev->dev.of_node = bus->dev.of_node;

That does not quite make sense to me, the mdio device's parent already
points to &bus->dev, which would get you the correct of_node. You are
breaking the parent/child relationship here. From patch 3, see my
comments there, it does not look like you are matching on the right
device level.

> mdiodev->bus = bus;
> mdiodev->bus_match = phy_bus_match;
> mdiodev->addr = addr;
>


--
Florian

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