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Date:   Fri, 15 May 2020 09:00:02 -0700
From:   Florian Fainelli <>
To:     Tobias Waldekranz <>,
Subject: Re: [PATCH net-next] net: core: recursively find netdev by device

On 5/15/2020 2:52 AM, Tobias Waldekranz wrote:
> The assumption that a device node is associated either with the
> netdev's device, or the parent of that device, does not hold for all
> drivers. E.g. Freescale's DPAA has two layers of platform devices
> above the netdev. Instead, recursively walk up the tree from the
> netdev, allowing any parent to match against the sought after node.
> Signed-off-by: Tobias Waldekranz <>

Humm, yes I tried to solve this differently before within the Freescale
FMAN driver before and it failed miserably, so I suppose this is as good
as it can be:

a1a50c8e4c241a505b7270e1a3c6e50d94e794b1 ("fsl/man: Inherit parent
device and of_node") later reverted with
48167c9ce0b91c068430345bf039c7be23fa2f3f ("fsl/fman: remove of_node")

Reviewed-by: Florian Fainelli <>

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