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References: <20211101180243.23761-1-tharvey@gateworks.com>
In-Reply-To: <20211101180243.23761-1-tharvey@gateworks.com>
From:   Rob Herring <robh@kernel.org>
Date:   Wed, 1 Dec 2021 17:46:24 -0600
Message-ID: <CAL_Jsq+n9B7k3tLsgsNg=cLykQk-6ZDH3znsKeUEabvKwUiUQQ@mail.gmail.com>
Subject: Re: [PATCH] PCI: imx: do not remap invalid res
To:     Tim Harvey <tharvey@gateworks.com>
Cc:     Jingoo Han <jingoohan1@gmail.com>,
        Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= <kw@linux.com>,
        Bjorn Helgaas <bhelgaas@google.com>, linux-pci@vger.kernel.org,
        linux-kernel@vger.kernel.org, Richard Zhu <hongxing.zhu@nxp.com>
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On Mon, Nov 1, 2021 at 1:37 PM Tim Harvey <tharvey@gateworks.com> wrote:
>
> On imx6 and perhaps others when pcie probes you get a:
> imx6q-pcie 33800000.pcie: invalid resource
>
> This occurs because the atu is not specified in the DT and as such it
> should not be remapped.
>

Fixes: 281f1f99cf3a ("PCI: dwc: Detect number of iATU windows")
Reviewed-by: Rob Herring <robh@kernel.org>

> Cc: Richard Zhu <hongxing.zhu@nxp.com>
> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
> ---
>  drivers/pci/controller/dwc/pcie-designware.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)