linux-kernel - Re: SoCFPGA ethernet broken

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Message-ID: <alpine.DEB.2.02.1510152149290.22844@linux-builds1>
Date:	Thu, 15 Oct 2015 22:04:04 -0500
From:	Dinh Nguyen <dinguyen@...nsource.altera.com>
To:	Florian Fainelli <f.fainelli@...il.com>
CC:	David Daney <ddaney@...iumnetworks.com>,
	"David S. Miller" <davem@...emloft.net>, <david.daney@...ium.com>,
	<netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: SoCFPGA ethernet broken

On Thu, 15 Oct 2015, Florian Fainelli wrote:

> On 15/10/15 13:49, Dinh Nguyen wrote:
> >>
> >> Does this text change with and without the 8b63ec1837fa patch?
> > 
> > No, this text does not change with/without the 8b63ec1837fa patch.
> 
> Could you instrument mdiobus_scan(), get_phy_device() and
> phy_device_create/register to see if the parent is NULL, non-NULL?
> 

[    0.800479] get_phy_device bus=0xeee26c00 addr=00000004 phy_id=00221611
[    0.806735] phy_device_create dev->dev.parent=0xeee26c50
[    0.811114] phy_device_register completed
[    0.814675] mdiobus_scan phydev=0xeee27000
[    1.979034] ksz9021_config_init of_node=00000000

---- Without patch ----

[    0.801294] get_phy_device bus=0xeeef6c00 addr=00000004 phy_id=00221611
[    0.807551] phy_device_create dev->dev.parent=0xeed6cc10
[    0.811929] phy_device_register completed
[    0.815510] mdiobus_scan phydev=0xeeef7000
[    1.979034] ksz9021_config_init of_node=0xef203538
[    1.988064] ksz9021_load_values_from_of
[    1.992485] ksz9021_load_values_from_of
[    1.996905] ksz9021_load_values_from_of 

BR,
Dinh
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