netdev - Re: [PATCH v2] net: phy: resume phydev when going to RESUMING

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Date:	Fri, 16 May 2014 15:18:40 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	zhangfei.gao@...aro.org
Cc:	sebastian.hesselbarth@...il.com, f.fainelli@...il.com,
	sergei.shtylyov@...entembedded.com, joe@...ches.com,
	netdev@...r.kernel.org, xuejiancheng@...wei.com
Subject: Re: [PATCH v2] net: phy: resume phydev when going to RESUMING

From: Zhangfei Gao <zhangfei.gao@...aro.org>
Date: Thu, 15 May 2014 13:35:34 +0800

> With commit be9dad1f9f26604fb ("net: phy: suspend phydev when going
> to HALTED"), an unused PHY device will be put in a low-power mode
> using BMCR_PDOWN. Some Ethernet drivers might be calling phy_start()
> and phy_stop() from ndo_open and ndo_close() respectively, while
> calling phy_connect() and phy_disconnect() from probe and remove.
> In such a case, the PHY will be powered down during the phy_stop()
> call, but will fail to be powered up in phy_start().
> This patch fixes this scenario.
> 
> Signed-off-by: Jiancheng Xue <xuejiancheng@...wei.com>
> Signed-off-by: Zhangfei Gao <zhangfei.gao@...aro.org>

Applied, thanks.
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