linux-kernel - Re: [PATCH 1/1] Workaround for Suspend/Resume issue of AX88772B under ChromeOS

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Message-ID: <CANEJEGu_2YdVOjcnzh30RPMiP0KC5bL6JasxMS_+1xV9poxgQw@mail.gmail.com>
Date:	Thu, 21 Nov 2013 14:48:35 -0800
From:	Grant Grundler <grundler@...gle.com>
To:	David Miller <davem@...emloft.net>
Cc:	Freddy Xin <freddy@...x.com.tw>, netdev <netdev@...r.kernel.org>,
	linux-usb@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	davemloft@...emloft.net,
	ASIX Louis [蘇威陸] <louis@...x.com.tw>,
	Allan Chou <allan@...x.com.tw>,
	Daniel_ASIX <daniel@...x.com.tw>
Subject: Re: [PATCH 1/1] Workaround for Suspend/Resume issue of AX88772B under ChromeOS

On Wed, Nov 20, 2013 at 11:32 AM, Grant Grundler <grundler@...gle.com> wrote:
> Seems like this should be part of usbnet_resume code based on whether
> the driver provides mdio_write hook (most USBNET drivers do).

Just to be clear: I don't think this is feasible for the now obvious
reason that not all device lose phy stat on resume. :/

Freddy sent me a patch that saves/restores MII_ADVERTISE and MII_BMCR
registers. Testing that now and he'll post if that all works out.

thanks,
grant
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