On Tue, Oct 27, 2020 at 11:12 AM Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx> wrote:
>
> Currently, AER and DPC Capabilities dependency checks is
> distributed between DPC and portdrv service drivers. So move
> them out of DPC driver.
>
> Also, since services & PCIE_PORT_SERVICE_AER check already
> ensures AER native ownership, no need to add additional
> pcie_aer_is_native() check.
>
> Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
> ---
> drivers/pci/pcie/dpc.c | 4 ----
> drivers/pci/pcie/portdrv_core.c | 1 +
> 2 files changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/drivers/pci/pcie/dpc.c b/drivers/pci/pcie/dpc.c
> index 21f77420632b..a8b922044447 100644
> --- a/drivers/pci/pcie/dpc.c
> +++ b/drivers/pci/pcie/dpc.c
> @@ -283,14 +283,10 @@ void pci_dpc_init(struct pci_dev *pdev)
> static int dpc_probe(struct pcie_device *dev)
> {
> struct pci_dev *pdev = dev->port;
> - struct pci_host_bridge *host = pci_find_host_bridge(pdev->bus);
> struct device *device = &dev->device;
> int status;
> u16 ctl, cap;
>
> - if (!pcie_aer_is_native(pdev) && !host->native_dpc)
> - return -ENOTSUPP;
> -
> status = devm_request_threaded_irq(device, dev->irq, dpc_irq,
> dpc_handler, IRQF_SHARED,
> "pcie-dpc", pdev);
> diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
> index e257a2ca3595..ffa1d9fc458e 100644
> --- a/drivers/pci/pcie/portdrv_core.c
> +++ b/drivers/pci/pcie/portdrv_core.c
> @@ -252,6 +252,7 @@ static int get_port_device_capability(struct pci_dev *dev)
> * permission to use AER.
> */
> if (pci_find_ext_capability(dev, PCI_EXT_CAP_ID_DPC) &&
> + host->native_dpc &&
What hell the logic is here ?
> (host->native_dpc || (services & PCIE_PORT_SERVICE_AER)))
> services |= PCIE_PORT_SERVICE_DPC;
>
> --
> 2.17.1
>
