linux-kernel - Re: [PATCH net] net: mediatek: setup proper state for disabled GMAC on the default

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Message-Id: <20171219.132150.57249791249142933.davem@davemloft.net>
Date:   Tue, 19 Dec 2017 13:21:50 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     sean.wang@...iatek.com
Cc:     john@...ozen.org, nbd@...nwrt.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net] net: mediatek: setup proper state for disabled
 GMAC on the default

From: <sean.wang@...iatek.com>
Date: Mon, 18 Dec 2017 17:00:17 +0800

> From: Sean Wang <sean.wang@...iatek.com>
> 
> The current solution would setup fixed and force link of 1Gbps to the both
> GMAC on the default. However, The GMAC should always be put to link down
> state when the GMAC is disabled on certain target boards. Otherwise,
> the driver possibly receives unexpected data from the floating hardware
> connection through the unused GMAC. Although the driver had been added
> certain protection in RX path to get rid of such kind of unexpected data
> sent to the upper stack.
> 
> Signed-off-by: Sean Wang <sean.wang@...iatek.com>

Applied, thanks.