linux-kernel - Re: [PATCH v2 1/3] Revert "ARM: dts: imx7d: Invert legacy PCI irq mapping"

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Date:   Mon, 23 Jul 2018 12:41:00 +0000
From:   Leonard Crestez <leonard.crestez@....com>
To:     "andrew.smirnov@...il.com" <andrew.smirnov@...il.com>
CC:     Richard Zhu <hongxing.zhu@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "A.s. Dong" <aisheng.dong@....com>,
        "jingoohan1@...il.com" <jingoohan1@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
        Fabio Estevam <fabio.estevam@....com>,
        "Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [PATCH v2 1/3] Revert "ARM: dts: imx7d: Invert legacy PCI irq
 mapping"

On Fri, 2018-07-20 at 08:33 -0700, Andrey Smirnov wrote:
> On Fri, Jul 20, 2018 at 5:48 AM Leonard Crestez <leonard.crestez@....com> wrote:
> > 
> > This reverts commit 1c86c9dd82f859b474474a7fee0d5195da2c9c1d.
> > 
> > That commit followed the reference manual but unfortunately the imx7d
> > manual is incorrect.
> 
> I'd also add similar comment to DT file to prevent people from trying
> to "fix" this in the future.

I'll try to see if I can follow up internally with docs team to get
this updated in the next revision of the reference manual.

> Also, this change is going to break QEMU's mapping found here:

I had no idea that existed, I guess somebody needs to fix that as well.

Do you have an imx7d board using pci or did you just test in emulation?

--
Regards,
Leonard