linux-kernel - Re: Regression: 442ec4c04d1: PCI: dwc: all: Split struct pcie

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Date:   Mon, 8 May 2017 22:30:13 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     Peter Senna Tschudin <peter.senna@...labora.com>
Cc:     Kishon Vijay Abraham I <kishon@...com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Jingoo Han <jingoohan1@...il.com>,
        Richard Zhu <hongxing.zhu@....com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Murali Karicheri <m-karicheri2@...com>,
        Minghuan Lian <minghuan.Lian@...escale.com>,
        Mingkai Hu <mingkai.hu@...escale.com>,
        Roy Zang <tie-fei.zang@...escale.com>,
        Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
        Niklas Cassel <niklas.cassel@...s.com>,
        Jesper Nilsson <jesper.nilsson@...s.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Gabriele Paoloni <gabriele.paoloni@...wei.com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Pratyush Anand <pratyush.anand@...il.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Tim Harvey <tharvey@...eworks.com>
Subject: Re: Regression: 442ec4c04d1: PCI: dwc: all: Split struct pcie_port
 into host-only and core structures

Hi Peter,

On Mon, May 8, 2017 at 12:02 PM, Peter Senna Tschudin
<peter.senna@...labora.com> wrote:
> Hello Kishon,
>
> Our iMX6 hardware (imx6q-b850v3.dts) is not booting with latest
> linux-next and I could bisect until:
>
> commit 442ec4c04d1235f8c664a74004dae54a7a574d18
> Author: Kishon Vijay Abraham I <kishon@...com>
> Date:   Wed Feb 15 18:48:14 2017 +0530
>
>     PCI: dwc: all: Split struct pcie_port into host-only and core structures

I can reproduce the same problem on a custom imx6q board with a PCI bridge chip.

Other mx6 boards without PCI bridge boot fine.

I haven't bisected it, but the problem for me does not happen on 4.11.
It happens only in linux-next.

The commit you mentioned above is from 4.11 and does not cause the
problem on my tests.

Can you double check if you really have issues with 4.11?