linux-kernel - Re: [PATCH v3 1/2] PCI: dwc: Skip PCIE_MSI

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Date:   Fri, 25 Sep 2020 09:50:03 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jisheng Zhang <Jisheng.Zhang@...aptics.com>
Cc:     Jingoo Han <jingoohan1@...il.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        PCI <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/2] PCI: dwc: Skip PCIE_MSI_INTR0* programming if MSI
 is disabled

On Fri, Sep 25, 2020 at 2:39 AM Jisheng Zhang
<Jisheng.Zhang@...aptics.com> wrote:
>
> If MSI is disabled, there's no need to program PCIE_MSI_INTR0_MASK
> and PCIE_MSI_INTR0_ENABLE registers.
>
> Fixes: 7c5925afbc58 ("PCI: dwc: Move MSI IRQs allocation to IRQ domainshierarchical API")
> Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
> Acked-by: Gustavo Pimentel <gustavo.pimentel@...opsys.com>
> ---
>  drivers/pci/controller/dwc/pcie-designware-host.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

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