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Re: [PATCH net-next v3 2/2] of: net: fix of_get_mac_addr_nvmem() for PCI and DSA nodes

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On 4/6/2021 3:09 PM, 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@xxxxxxxx>
> ---
> Please note, that I've kept the nvmem_get_mac_address() which operates
> on a device. The new of_get_mac_addr_nvmem() is almost identical and
> there are no users of the former function right now, but it seems to be
> the "newer" version to get the MAC address for a "struct device". Thus
> I've kept it. Please advise, if I should kill it though.

Nit: if you need to resubmit you could rephrase the subject such that
the limitation of of_get_mac_addr_nvmem() is lifted to include all kinds
of devices, and no longer just platform_device instances as before.
-- 
Florian



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