netdev - Re: [PATCHv7 net-next 6/6] net: ibm: emac: generate random MAC if not found

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Message-ID: <20241017085853.GR2162@kernel.org>
Date: Thu, 17 Oct 2024 09:58:53 +0100
From: Simon Horman <horms@...nel.org>
To: Rosen Penev <rosenp@...il.com>
Cc: netdev@...r.kernel.org,
	Florian Fainelli <florian.fainelli@...adcom.com>,
	Andrew Lunn <andrew@...n.ch>, Vladimir Oltean <olteanv@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Kurt Kanzenbach <kurt@...utronix.de>,
	Woojung Huh <woojung.huh@...rochip.com>,
	"maintainer:MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER" <UNGLinuxDriver@...rochip.com>,
	Clément Léger <clement.leger@...tlin.com>,
	George McCollister <george.mccollister@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Jacob Keller <jacob.e.keller@...el.com>,
	Uwe Kleine-König <u.kleine-koenig@...libre.com>,
	Breno Leitao <leitao@...ian.org>,
	open list <linux-kernel@...r.kernel.org>,
	"open list:RENESAS RZ/N1 A5PSW SWITCH DRIVER" <linux-renesas-soc@...r.kernel.org>
Subject: Re: [PATCHv7 net-next 6/6] net: ibm: emac: generate random MAC if
 not found

On Tue, Oct 15, 2024 at 01:02:21PM -0700, Rosen Penev wrote:
> On this Cisco MX60W, u-boot sets the local-mac-address property.
> Unfortunately by default, the MAC is wrong and is actually located on a
> UBI partition. Which means nvmem needs to be used to grab it.
> 
> In the case where that fails, EMAC fails to initialize instead of
> generating a random MAC as many other drivers do.
> 
> Match behavior with other drivers to have a working ethernet interface.
> 
> Signed-off-by: Rosen Penev <rosenp@...il.com>

Reviewed-by: Simon Horman <horms@...nel.org>