linux-kernel - [RFC PATCH 0/1] arm64: dts: added basic DTS for qmx8 congatec board

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Message-ID: <20191029122026.14208-1-oliver.graute@kococonnector.com>
Date:   Tue, 29 Oct 2019 12:22:44 +0000
From:   Oliver Graute <oliver.graute@...oconnector.com>
To:     "shawnguo@...nel.org" <shawnguo@...nel.org>
CC:     "oliver.graute@...il.com" <oliver.graute@...il.com>,
        "aisheng.dong@....com" <aisheng.dong@....com>,
        "peng.fan@....com" <peng.fan@....com>,
        Oliver Graute <oliver.graute@...oconnector.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Li Yang <leoyang.li@....com>,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        Lucas Stach <l.stach@...gutronix.de>,
        Anson Huang <Anson.Huang@....com>,
        Pramod Kumar <pramod.kumar_1@....com>,
        Jon Nettleton <jon@...id-run.com>,
        Stoica Cosmin-Stefan <cosmin.stoica@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: [RFC PATCH 0/1] arm64: dts: added basic DTS for qmx8 congatec board

This patch is ontop of Aisheng Dongs clock driver and imx8 changes for the
imx8qm.
https://patchwork.kernel.org/patch/11143321/
https://patchwork.kernel.org/patch/11138099/

I observe random crashes with this devicetree like this:

[  676.355973] fec 5b040000.ethernet eth0: MDIO read timeout
[  676.361455] ------------[ cut here ]------------
[  676.366087] WARNING: CPU: 0 PID: 208 at drivers/net/phy/phy.c:708 phy_error+0x10/0x58
[  676.373924] Modules linked in:
[  676.376984] CPU: 0 PID: 208 Comm: kworker/u8:2 Not tainted 5.3.0-rc7-next-20190904-00034-gdc1fd1a2104b #5
[  676.386553] Hardware name: Congatec QMX8 Qseven series (DT)
[  676.392128] Workqueue: events_power_efficient phy_state_machine
[  676.398049] pstate: 60000005 (nZCv daif -PAN -UAO)
[  676.402842] pc : phy_error+0x10/0x58
[  676.406413] lr : phy_state_machine+0xa8/0x168
[  676.410765] sp : ffff80001217bd60
[  676.414083] x29: ffff80001217bd60 x28: 0000000000000000
[  676.419399] x27: ffff0008f6b64338 x26: ffff800011073b98
[  676.424715] x25: 0000000000000000 x24: 00000000ffffff92
[  676.430032] x23: ffff0008f70c1000 x22: ffff0008f70c13e0
[  676.435348] x21: 0000000000000004 x20: ffff0008f70c1438
[  676.440665] x19: ffff0008f70c1000 x18: 0000000000000010
[  676.445973] x17: 0000000000000000 x16: 0000000000000000
[  676.451290] x15: ffffffffffffffff x14: ffff8000117398c8
[  676.456607] x13: ffff80009217b8b7 x12: ffff80001217b8bf
[  676.461923] x11: ffff800011752000 x10: ffff80001217b840
[  676.467240] x9 : 00000000ffffffd0 x8 : ffff800010698408
[  676.472557] x7 : 0000000000000151 x6 : 000000015f8c5440
[  676.477874] x5 : ffff0008f8341db0 x4 : ffff0008f6500000
[  676.483190] x3 : ffff0008f70c1438 x2 : 0000000000000000
[  676.488507] x1 : 0000000000000000 x0 : ffff0008f70c1000
[  676.493827] Call trace:
[  676.496273]  phy_error+0x10/0x58
[  676.499499]  phy_state_machine+0xa8/0x168
[  676.503510]  process_one_work+0x1e0/0x350
[  676.507518]  worker_thread+0x40/0x480
[  676.511179]  kthread+0x120/0x128
[  676.514413]  ret_from_fork+0x10/0x18
[  676.517990] ---[ end trace 919aac09d207cb93 ]---
[  676.522931] fec 5b040000.ethernet eth0: Link is Down

Some hints how to fix this?

Oliver Graute (1):
  arm64: dts: added basic DTS for qmx8 congatec board

 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../boot/dts/freescale/imx8qm-cgt-qmx8.dts    | 391 ++++++++++++++++++
 2 files changed, 392 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8qm-cgt-qmx8.dts

-- 
2.17.1