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Miller" , , , "linux-kernel@vger.kernel.org" Subject: Re: SoCFPGA ethernet broken In-Reply-To: <56201AE7.2020103@gmail.com> Message-ID: References: <561FF9E2.30102@opensource.altera.com> <56200687.9040903@gmail.com> <562005AD.8020903@opensource.altera.com> <56200BD7.8020505@gmail.com> <56200E15.9080603@caviumnetworks.com> <56201158.8040806@opensource.altera.com> <56201AE7.2020103@gmail.com> User-Agent: Alpine 2.02 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-Originating-IP: [64.129.157.38] X-ClientProxiedBy: BY2PR05CA059.namprd05.prod.outlook.com (10.141.250.49) To BY1PR03MB1371.namprd03.prod.outlook.com (25.162.109.29) X-Microsoft-Exchange-Diagnostics-untrusted: 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X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN1PR03MB038 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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