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Message-ID: <90A7E81AE28BAE4CBDDB3B35F187D2644073B1DE@CHN-SV-EXMX02.mchp-main.com>
Date:   Wed, 18 Jul 2018 22:46:37 +0000
From:   <Bryan.Whitehead@...rochip.com>
To:     <andrew@...n.ch>
CC:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <UNGLinuxDriver@...rochip.com>
Subject: RE: [PATCH v3 net-next 6/8] lan743x: Add power management support

> It depends on the hardware designs, but in some designs, the PHY can do
> WOL, without the MAC involved. When a WoL condition happens, it triggers
> an interrupt, or blinks an LED which is also connected to the power supply
> etc. And if the PHY is doing WoL, you can shut down the MAC, save more
> power.
> 
> Look at some of the PHY drivers, at803x, dp83822, dp83tc811, marvell, and
> mscc all support some sort of WoL.
> 
> Ideally, you want to offer the superset of both PHY WoL and MAC WoL.
> 
>     Andrew

OK thanks Andrew

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