On Mon 04 Nov 05:00 PST 2019, Stanimir Varbanov wrote:
> Hi Bjorn,
>
> Thanks for the fix!
>
> On 11/2/19 2:24 AM, Bjorn Andersson wrote:
> > There exists non-bridge PCIe devices with PCI_VENDOR_ID_QCOM, so limit
> > the fixup to only affect the PCIe 2.0 (0x106) and PCIe 3.0 (0x107)
> > bridges.
>
> Are you sure that this will not break ops_1_0_0 (Qcom IP rev.: 1.0.0
> Synopsys IP rev.: 4.11a) i.e. apq8084 ?
>
I am not, I've only tested this on db820c and db845c. Unfortunately I'm
unable to find a branch with the necessary dts snippets to test it. Do
you perhaps have a branch somewhere?
Regards,
Bjorn
> >
> > Cc: stable@xxxxxxxxxxxxxxx
> > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> > ---
> > drivers/pci/controller/dwc/pcie-qcom.c | 3 ++-
> > include/linux/pci_ids.h | 2 ++
> > 2 files changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
> > index 35f4980480bb..b91abf4d4905 100644
> > --- a/drivers/pci/controller/dwc/pcie-qcom.c
> > +++ b/drivers/pci/controller/dwc/pcie-qcom.c
> > @@ -1441,7 +1441,8 @@ 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, PCIE_DEVICE_ID_QCOM_PCIE20, qcom_fixup_class);
> > +DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_QCOM, PCIE_DEVICE_ID_QCOM_PCIE30, qcom_fixup_class);
> >
> > static struct platform_driver qcom_pcie_driver = {
> > .probe = qcom_pcie_probe,
> > diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
> > index 21a572469a4e..3d0724ee4d2f 100644
> > --- a/include/linux/pci_ids.h
> > +++ b/include/linux/pci_ids.h
> > @@ -2413,6 +2413,8 @@
> > #define PCI_VENDOR_ID_LENOVO 0x17aa
> >
> > #define PCI_VENDOR_ID_QCOM 0x17cb
> > +#define PCIE_DEVICE_ID_QCOM_PCIE20 0x0106
> > +#define PCIE_DEVICE_ID_QCOM_PCIE30 0x0107
> >
> > #define PCI_VENDOR_ID_CDNS 0x17cd
> >
> >
>
> --
> regards,
> Stan
