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From: "Eric Bénard" <eric@eukrea.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 12/16] fec_imx: restart aneg at open and not at init
Date: Thu, 17 May 2012 21:32:57 +0200	[thread overview]
Message-ID: <20120517213257.5ab8d9b5@eb-e6520> (raw)
In-Reply-To: <20120517173619.GD30400@pengutronix.de>

Hi Sascha,

Le Thu, 17 May 2012 19:36:19 +0200,
Sascha Hauer <s.hauer@pengutronix.de> a écrit :
> On Thu, May 17, 2012 at 05:46:14PM +0200, Eric Bénard wrote:
> > else we can get a 1 second timeout at each boot since
> > "6cbecc4 net: miidev: properly check for MII reset"
> 
> I had this issue aswell on the babbage board. It turned out that this
> was really an issue in the initialization order. On the babbage the fec
> was registered before power was applied to the phy. Looking at the
> eukrea mx51 code it seems that you reset the phy after you have
> registered the fec. I suggest that you change the order instead of
> applying this patch.
> 
in fact I met the problem on cpuimx25 & cpuimx35 (because a wrong PHY
address was set in the board configuration) so I don't have the problem
anymore.
But I think launching the autonegotiation during the boot is not
necessary and can be a source of time loss.

Eric

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  reply	other threads:[~2012-05-17 19:33 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-17 15:46 [PATCH 01/16] eukrea_cpuimx25: workaround ENGcm09152 Eric Bénard
2012-05-17 15:46 ` [PATCH 02/16] eukrea_cpuimx25: add display choice in environment Eric Bénard
2012-05-17 15:46 ` [PATCH 03/16] eukrea_cpuimx25: update defconfig Eric Bénard
2012-05-17 15:46 ` [PATCH 04/16] eukrea_cpuimx35: add display choice in environment Eric Bénard
2012-05-17 15:46 ` [PATCH 05/16] eukrea_cpuimx35: update defconfig Eric Bénard
2012-05-17 15:46 ` [PATCH 06/16] eukrea_cpuimx51: updated env Eric Bénard
2012-05-17 15:46 ` [PATCH 07/16] eukrea_cpuimx51: update defconfig Eric Bénard
2012-05-17 15:46 ` [PATCH 08/16] eukrea_cpuimx25: use switch action to launch usbserial or dfu Eric Bénard
2012-05-17 15:46 ` [PATCH 09/16] eukrea_cpuimx35: " Eric Bénard
2012-05-17 15:46 ` [PATCH 10/16] fs/tftp: depend on NET_TFTP Eric Bénard
2012-05-17 17:54   ` Sascha Hauer
2012-05-26  9:43   ` Jean-Christophe PLAGNIOL-VILLARD
2012-05-31 18:24     ` Sascha Hauer
2012-05-17 15:46 ` [PATCH 11/16] iim: don't try to set ethaddr when NET is not selected Eric Bénard
2012-05-17 17:40   ` Sascha Hauer
2012-05-17 15:46 ` [PATCH 12/16] fec_imx: restart aneg at open and not at init Eric Bénard
2012-05-17 17:36   ` Sascha Hauer
2012-05-17 19:32     ` Eric Bénard [this message]
2012-05-18  8:40       ` Sascha Hauer
2012-05-17 15:46 ` [PATCH 13/16] eukrea_cpuimx25: fix PHY address Eric Bénard
2012-05-17 15:46 ` [PATCH 14/16] eukrea_cpuimx35: " Eric Bénard
2012-05-17 17:42   ` Sascha Hauer
2012-05-17 19:33     ` Eric Bénard
2012-05-17 15:46 ` [PATCH 15/16] eukrea_cpuimx25&35: update init_board Eric Bénard
2012-05-17 15:46 ` [PATCH 16/16] eukrea_cpuimx25&35: update defconfig Eric Bénard
2012-05-17 17:45   ` Sascha Hauer
2012-05-17 19:34     ` Eric Bénard

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