netdev - Re: [PATCH] phy: SMSC device Energy Detect power-down mode

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Message-Id: <20091225.183829.246551084.davem@davemloft.net>
Date:	Fri, 25 Dec 2009 18:38:29 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	peppe.cavallaro@...com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] phy: SMSC device Energy Detect power-down mode

From: Giuseppe CAVALLARO <peppe.cavallaro@...com>
Date: Wed, 16 Dec 2009 08:28:18 +0100

> SMSC Ethernet Transceivers (LAN88710, LAN8710, LAN8720, LAN8187,
> LAN8700, LAN83C185) provide a mechanism to conserve power when
> the device is not connected to an active link partner
> (Energy Detect Mode).
> So this patch enables the Energy Detect power-down mode
> for these Transceivers.
> 
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@...com>

Both phy_read() and phy_write() can return errors, you must check
for them.  The rest of this driver does this properly.

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