netdev - Re: [PATCH net-next v4 2/2] of: net: fix of_get_mac_addr

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Date:   Tue, 13 Apr 2021 02:57:11 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Michael Walle <michael@...le.cc>
Cc:     ath9k-devel@....qualcomm.com, UNGLinuxDriver@...rochip.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
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Subject: Re: [PATCH net-next v4 2/2] of: net: fix of_get_mac_addr_nvmem() for
 non-platform devices

On Mon, Apr 12, 2021 at 07:47:18PM +0200, Michael Walle wrote:
> of_get_mac_address() already supports fetching the MAC address by an
> nvmem provider. But until now, it was just working for platform devices.
> Esp. it was not working for DSA ports and PCI devices. It gets more
> common that PCI devices have a device tree binding since SoCs contain
> integrated root complexes.
> 
> Use the nvmem of_* binding to fetch the nvmem cells by a struct
> device_node. We still have to try to read the cell by device first
> because there might be a nvmem_cell_lookup associated with that device.
> 
> Signed-off-by: Michael Walle <michael@...le.cc>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew