linux-kernel - Re: [PATCH v2] PCI: qcom: Fix the fixup of PCI_VENDOR_ID

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Date:   Fri, 27 Dec 2019 10:51:53 +0200
From:   Stanimir Varbanov <svarbanov@...sol.com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <andrew.murray@....com>,
        Bjorn Helgaas <bhelgaas@...gle.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Marc Gonzalez <marc.w.gonzalez@...e.fr>, stable@...r.kernel.org
Subject: Re: [PATCH v2] PCI: qcom: Fix the fixup of PCI_VENDOR_ID_QCOM

Hi Bjorn,

On 12/27/19 3:27 AM, Bjorn Andersson wrote:
> There exists non-bridge PCIe devices with PCI_VENDOR_ID_QCOM, so limit
> the fixup to only affect the relevant PCIe bridges.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> ---
> 
> Stan, I picked up all the suggested device id's from the previous thread and
> added 0x1000 for QCS404. I looked at creating platform specific defines in
> pci_ids.h, but SDM845 has both 106 and 107... Please let me know if you would
> prefer that I do this anyway.

Looks good,

Acked-by: Stanimir Varbanov <svarbanov@...sol.com>

> 
>  drivers/pci/controller/dwc/pcie-qcom.c | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> index 5ea527a6bd9f..138e1a2d21cc 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> @@ -1439,7 +1439,13 @@ static void qcom_fixup_class(struct pci_dev *dev)
>  {
>  	dev->class = PCI_CLASS_BRIDGE_PCI << 8;
>  }
> -DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, PCI_ANY_ID, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0101, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0104, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0106, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0107, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x0302, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1000, qcom_fixup_class);
> +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, 0x1001, qcom_fixup_class);
>  
>  static struct platform_driver qcom_pcie_driver = {
>  	.probe = qcom_pcie_probe,
> 

-- 
regards,
Stan