netdev - Re: [PATCH] net: fec: fix suspend broken on multiple MACs sillicons

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Message-Id: <20141103.145038.1224937667378001886.davem@davemloft.net>
Date:	Mon, 03 Nov 2014 14:50:38 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	b38611@...escale.com
Cc:	netdev@...r.kernel.org, festevam@...il.com
Subject: Re: [PATCH] net: fec: fix suspend broken on multiple MACs sillicons

From: Fugang Duan <b38611@...escale.com>
Date: Mon, 3 Nov 2014 13:26:50 +0800

> On i.MX6SX sdb platform, there has two same enet MACs, after system up,
> just eth0 is up, and then do suspend/resume test:
 ...
> The root cause is that eth1 is not opened and clock is not enabled, and .suspend() still
> call .fec_enet_clk_enable() to disable clock.
> 
> To avoid the broken, let it check network device up status by calling .netif_running()
> before disable/enable clocks.
> 
> Signed-off-by: Fugang Duan <B38611@...escale.com>

Applied, thanks!
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