Re: [PATCH net-next v4 2/2] of: net: fix of_get_mac_addr_nvmem() for non-platform devices

[Benjamin Herrenschmidt]

On Mon, 2021-04-26 at 12:54 +0200, Michael Walle wrote:
> Before I'll try to come up with a patch for this, I'd like to get
> your opinion on it.
> 
> (1) replacing of_get_mac_address(node) with eth_get_mac_address(dev)
>      might sometimes lead to confusing comments like in
>      drivers/net/ethernet/allwinner/sun4i-emac.c:
> 
>      /* Read MAC-address from DT */
>      ret = of_get_mac_address(np, ndev->dev_addr);

You could leave it or turn it into "from platform", doesn't matter...

> (2) What do you think of eth_get_mac_address(ndev). That is, the

Not sure what you mean, eth_platform_get_mac_address() takes the
address as an argument. I think what you want is a consolidated
nvmem_get_mac_address + eth_platform_get_mac_address that takes a
device, which would have no requirement of the bus_type at all.

Cheers,
Ben.