linux-kernel - Re: [PATCH v3 0/6] adapt DPAA drivers for DSA

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Date:   Wed, 18 Oct 2017 13:45:04 +0100 (WEST)
From:   David Miller <davem@...emloft.net>
To:     madalin.bucur@....com
Cc:     netdev@...r.kernel.org, f.fainelli@...il.com, andrew@...n.ch,
        vivien.didelot@...oirfairelinux.com, junote@...look.com,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/6] adapt DPAA drivers for DSA

From: Madalin Bucur <madalin.bucur@....com>
Date: Mon, 16 Oct 2017 21:36:04 +0300

> Junote Cai reported that he was not able to get a DSA setup involving the
> DPAA/FMAN driver to work and narrowed it down to of_find_net_device_by_node()
> call in DSA setup. The initial attempt to fix this by adding of_node to the
> platform device results in a second, failed, probing of the FMan MAC driver
> against the new platform device created for the DPAA Ethernet driver.
> Solve these issues by removing the of_node pointer from the platform device
> and changing the net_dev dev to the of_device dev to ensure the DSA init
> will be able to find the DPAA net_dev using of_find_net_device_by_node().
> Several changes were required to enable this solution: refactoring the
> adjust_link (also resulted in lesser, cleaner code) and renaming the fman
> kernel modules to keep the legacy udev rules happy.
> 
> Changes in v2:
> 
>  - fix issue on error path in "dpaa_eth: change device used" patch
>  - cleanup the dpaa_eth_probe() error paths
> 
> Changes in v3:
> 
>  - remove obsolete comment in moved code
>  - add explanation for module rename

Series applied.