netdev - Re: [PATCH net-next v2 0/4] net: phy: prevent double suspend

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Message-ID: <54C7E140.4080908@cogentembedded.com>
Date:	Tue, 27 Jan 2015 22:04:32 +0300
From:	Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:	Florian Fainelli <f.fainelli@...il.com>, netdev@...r.kernel.org
CC:	davem@...emloft.net, s.hauer@...gutronix.de, b38611@...escale.com
Subject: Re: [PATCH net-next v2 0/4] net: phy: prevent double suspend

Hello.

On 01/27/2015 09:05 AM, Florian Fainelli wrote:

> This patch series addresses a problem that Fugang and I observed on different
> platforms where a given PHY device might end-up being suspended twice.

> Once as part of the call from ndo_open() all the way down to phy_detach() and
> phy_suspend() and a second time when the generic platform device/driver
> suspend/resume callbacks are called in drivers/net/phy/mdio_bus.c.

> Thanks to Fugang for giving this a quick try on i.MX6/FEC and reporting
> positive test results!

    I can now confirm this patchset fixed our issue with an external abort 
during suspend on R-Car platform (with the 'sh_eth' driver)!

> Florian Fainelli (4):
>    net: phy: utilize phy_suspend and phy_resume
>    net: phy: document has_fixups field
>    net: phy: keep track of the PHY suspend state
>    net: phy: avoid suspending twice a PHY

WBR, Sergei

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