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Date:   Wed, 11 Jul 2018 23:12:03 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH net 2/2] sfp: fix module initialisation with netdev
 already up

From: Russell King <>
Date: Tue, 10 Jul 2018 12:05:36 +0100

> It was been observed that with a particular order of initialisation,
> the netdev can be up, but the SFP module still has its TX_DISABLE
> signal asserted.  This occurs when the network device brought up before
> the SFP kernel module has been inserted by userspace.
> This occurs because sfp-bus layer does not hear about the change in
> network device state, and so assumes that it is still down.  Set
> netdev->sfp when the upstream is registered to work around this problem.
> Signed-off-by: Russell King <>


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