netdev - Re: [PATCH net] at803x: insure minimum delay for SGMII link AN completion ckeck

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Date:   Mon, 13 Feb 2017 18:31:05 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Claudiu Manoil <claudiu.manoil@....com>
Cc:     Zefir Kurtisi <zefir.kurtisi@...atec.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH net] at803x: insure minimum delay for SGMII link AN
 completion ckeck

> Yes, the phy is operating in interrupt mode.
> The phy nodes from the board's device tree have their interrupt properties set:
> http://lxr.free-electrons.com/source/arch/powerpc/boot/dts/fsl/p1010rdb-pb.dts
> 
> I can confirm that link status changes are signaled via interrupts ("phy_interrupt") 
> in this case.

Is there a way to enable an interrupt when SGMII signalled link
changes has happened? Maybe another interrupt enable bit somewhere?
That would avoid having to sleep().

     Andrew