netdev - Re: [PATCH net-next] net: ag71xx: support probe defferal for getting MAC address

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Message-ID: <a8d36852-d4c5-450d-9296-e8a07900985c@lunn.ch>
Date: Mon, 26 Aug 2024 03:54:13 +0200
From: Andrew Lunn <andrew@...n.ch>
To: Rosen Penev <rosenp@...il.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, linux@...linux.org.uk,
	linux-kernel@...r.kernel.org, o.rempel@...gutronix.de,
	p.zabel@...gutronix.de
Subject: Re: [PATCH net-next] net: ag71xx: support probe defferal for getting
 MAC address

On Sat, Aug 24, 2024 at 01:02:37PM -0700, Rosen Penev wrote:
> Currently, of_get_ethdev_address() return is checked for any return error
> code which means that trying to get the MAC from NVMEM cells that is backed
> by MTD will fail if it was not probed before ag71xx.
> 
> So, lets check the return error code for EPROBE_DEFER and defer the ag71xx
> probe in that case until the underlying NVMEM device is live.
> 
> Signed-off-by: Robert Marko <robimarko@...il.com>
> Signed-off-by: Rosen Penev <rosenp@...il.com>

Reviewed-by: Andrew Lunn <andrew@...n.ch>

    Andrew