linux-kernel - Re: [PATCH v2] net: mv643xx_eth: process retval from of_get_mac

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Message-ID: <20220224085754.703860a4@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Thu, 24 Feb 2022 08:57:54 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Mauri Sandberg <maukka@....kapsi.fi>, Andrew Lunn <andrew@...n.ch>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        "David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v2] net: mv643xx_eth: process retval from
 of_get_mac_address

On Wed, 23 Feb 2022 16:23:37 +0200 Mauri Sandberg wrote:
> Obtaining a MAC address may be deferred in cases when the MAC is stored
> in an NVMEM block, for example, and it may not be ready upon the first
> retrieval attempt and return EPROBE_DEFER.
> 
> It is also possible that a port that does not rely on NVMEM has been
> already created when getting the defer request. Thus, also the resources
> allocated previously must be freed when doing a roll-back.
> 
> Signed-off-by: Mauri Sandberg <maukka@....kapsi.fi>
> Cc: Andrew Lunn <andrew@...n.ch>

While we wait for Andrew's ack, is this the correct fixes tag?

Fixes: 76723bca2802 ("net: mv643xx_eth: add DT parsing support")