From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] net: usb: asix: replace mii_nway_restart in resume path
Date: Thu, 19 Jul 2018 05:43:50 +0900 (KST)
Message-ID: <20180719.054350.891466987638140875.davem@davemloft.net>
References: <20180717111709.8598-1-lynxis@fe80.eu>
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Cc: linux-usb@vger.kernel.org, robert.foss@collabora.com,
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To: lynxis@fe80.eu
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From: Alexander Couzens <lynxis@fe80.eu>
Date: Tue, 17 Jul 2018 13:17:09 +0200

> mii_nway_restart is not pm aware which results in a rtnl deadlock.
> Implement mii_nway_restart manual by setting BMCR_ANRESTART if
> BMCR_ANENABLE is set.
> 
> To reproduce:
> * plug an asix based usb network interface
> * wait until the device enters PM (~5 sec)
> * `ip link set eth1 up` will never return
> 
> Fixes: d9fe64e51114 ("net: asix: Add in_pm parameter")
> Signed-off-by: Alexander Couzens <lynxis@fe80.eu>

Applied and queued up for -stable, thank you.