netdev - Re: [PATCH v2] net: fec: Adjust ENET MDIO timeouts

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Message-Id: <20111227.140747.1238640414600997264.davem@davemloft.net>
Date:	Tue, 27 Dec 2011 14:07:47 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	festevam@...il.com
Cc:	netdev@...r.kernel.org, shawn.guo@...escale.com,
	kernel@...gutronix.de, rogerio.pimentel@...escale.com,
	fabio.estevam@...escale.com
Subject: Re: [PATCH v2] net: fec: Adjust ENET MDIO timeouts

From: Fabio Estevam <festevam@...il.com>
Date: Tue, 27 Dec 2011 16:53:41 -0200

> On extensive NFS boots on a mx6qsabrelite board it was noted that "FEC: MDIO read timeout" were occuring,
> which caused failure on loading the FEC driver.
> 
> The original FEC_MII_TIMEOUT was set to 1 ms, which is too low when passed to the usecs_to_jiffies macro.
> 
> On ARM one jiffy is 10ms, so use a timeout of 30ms, which corresponds to 3 jiffies.
> 
> After running extensive NFS boots, the MDIO timeouts do not occur anymore with this change.
> 
> Signed-off-by: Rogerio Pimentel <rogerio.pimentel@...escale.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@...escale.com>

Applied, thanks.
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