linux-kernel - Re: [PATCH net] Revert "ravb: Fixed to be able to unload modules"

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Date:   Wed, 23 Sep 2020 17:40:04 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     geert+renesas@...der.be
Cc:     kuba@...nel.org, ashiduka@...itsu.com, sergei.shtylyov@...il.com,
        andrew@...n.ch, hkallweit1@...il.com, linux@...linux.org.uk,
        netdev@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH net] Revert "ravb: Fixed to be able to unload modules"

From: Geert Uytterhoeven <geert+renesas@...der.be>
Date: Tue, 22 Sep 2020 09:29:31 +0200

> This reverts commit 1838d6c62f57836639bd3d83e7855e0ee4f6defc.
> 
> This commit moved the ravb_mdio_init() call (and thus the
> of_mdiobus_register() call) from the ravb_probe() to the ravb_open()
> call.  This causes a regression during system resume (s2idle/s2ram), as
> new PHY devices cannot be bound while suspended.
 ...
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Cc: stable@...r.kernel.org

I noticed this too late, but please don't CC: stable on networking
patches.  We have our own workflow as per the netdev FAQ.

I've applied this but the inability to remove a module is an
extremely serious bug and should be fixed properly.