From: David Miller <davem@davemloft.net>
To: festevam@gmail.com
Cc: netdev@vger.kernel.org, shawn.guo@freescale.com,
kernel@pengutronix.de, rogerio.pimentel@freescale.com,
fabio.estevam@freescale.com
Subject: Re: [PATCH v2] net: fec: Adjust ENET MDIO timeouts
Date: Tue, 27 Dec 2011 14:07:47 -0500 (EST) [thread overview]
Message-ID: <20111227.140747.1238640414600997264.davem@davemloft.net> (raw)
In-Reply-To: <1325012021-3134-1-git-send-email-festevam@gmail.com>
From: Fabio Estevam <festevam@gmail.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@freescale.com>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Applied, thanks.
prev parent reply other threads:[~2011-12-27 19:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-27 14:46 [PATCH] net: fec: Adjust ENET MDIO timeouts Fabio Estevam
2011-12-27 18:13 ` David Miller
2011-12-27 18:53 ` [PATCH v2] " Fabio Estevam
2011-12-27 19:07 ` David Miller [this message]
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