linux-kernel - Re: [PATCH net-next v2 8/9] microchip: lan865x: add driver support for Microchip's LAN865X MACPHY

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Message-ID: <0ad1c14e-cd7e-4b24-aec9-75cbd19ad8e9@lunn.ch>
Date:   Tue, 31 Oct 2023 13:53:25 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Parthiban.Veerasooran@...rochip.com
Cc:     davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        corbet@....net, Steen.Hegelund@...rochip.com,
        rdunlap@...radead.org, horms@...nel.org, casper.casan@...il.com,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        Horatiu.Vultur@...rochip.com, Woojung.Huh@...rochip.com,
        Nicolas.Ferre@...rochip.com, UNGLinuxDriver@...rochip.com,
        Thorsten.Kummermehr@...rochip.com
Subject: Re: [PATCH net-next v2 8/9] microchip: lan865x: add driver support
 for Microchip's LAN865X MACPHY

> Ah ok, then it is supposed to be like below, isn't it?
> 
> static int lan865x_set_mac_address(struct net_device *netdev, void *addr)
> {
> 	struct sockaddr *address = addr;
> 	int ret;
> 
> 	if (netif_running(netdev))
> 		return -EBUSY;
> 
> 	ret = lan865x_set_hw_macaddr(netdev);
> 	if (ret)
> 		return ret;
> 
> 	eth_hw_addr_set(netdev, address->sa_data);
> 
> 	return 0;
> }

Yes, that is better. In practice, its probably not an issue, setting
the MAC address will never fail, but it is good to get right, just in
case.

	Andrew