Re: [PATCH] igb: allow optionally getting mac address from device tree

[Marcel Ziswiler]

Hi David

On Mon, 2018-06-25 at 17:05 +0900, David Miller wrote:
> From: Marcel Ziswiler <marcel@xxxxxxxxxxxx>
> Date: Mon, 25 Jun 2018 10:00:42 +0200
> 
> > @@ -3122,7 +3124,11 @@ static int igb_probe(struct pci_dev *pdev,
> > const struct pci_device_id *ent)
> >  		break;
> >  	}
> >  
> > -	if (eth_platform_get_mac_address(&pdev->dev, hw-
> > >mac.addr)) {
> > +	/* try to get the MAC address from device tree data */
> > +	iap = of_get_mac_address(pdev->dev.of_node);
> > +	if (iap)
> > +		memcpy(hw->mac.addr, iap, ETH_ALEN);
> 
> This is exactly what eth_platform_get_mac_address() shoule be doing.

Yes, you are absolutely right. That indeed already works just fine given a
proper device tree. Struggling with the device tree part I probably missed
noticing this.

Sorry for the noise and thanks for the tip!

Cheers

Marcel