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From:   Rob Herring <robh@kernel.org>
Date:   Thu, 31 Dec 2020 11:27:48 -0700
Message-ID: <CAL_Jsq+6HAB4xNzu75oVqoLQZUaEX=Y_j50GAiD4bwY_sq8Pig@mail.gmail.com>
Subject: Re: [PATCH v2] PCI: dwc: Fix MSI not work after resume
To:     Jisheng Zhang <Jisheng.Zhang@synaptics.com>,
        Bjorn Helgaas <bhelgaas@google.com>
Cc:     Jingoo Han <jingoohan1@gmail.com>,
        Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
        PCI <linux-pci@vger.kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
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On Mon, Dec 28, 2020 at 8:36 PM Jisheng Zhang
<Jisheng.Zhang@synaptics.com> wrote:
>
> After we move dw_pcie_msi_init() into core -- dw_pcie_host_init(), the
> MSI stops working after resume. Because dw_pcie_host_init() is only
> called once during probe. To fix this issue, we move dw_pcie_msi_init()
> to dw_pcie_setup_rc().
>
> Fixes: 59fbab1ae40e ("PCI: dwc: Move dw_pcie_msi_init() into core")
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@synaptics.com>
> ---
>
> Since v1:
>  - rebased on 5.11-rc1
>  - add Fixes tag
>
>  drivers/pci/controller/dwc/pcie-designware-host.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Reviewed-by: Rob Herring <robh@kernel.org>

Bjorn, please pick up for 5.11.

Rob