Platforms may have dedicated IRQ lines for PCIe services like
AER/PME etc., check for such IRQ lines.
Check if platform has any dedicated IRQ lines for PCIe
services.

Signed-off-by: Bharat Kumar Gogada <bharat.kumar.gog...@xilinx.com>
---
 drivers/pci/pcie/portdrv_core.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index f458ac9..8e37beb 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -330,6 +330,14 @@ int pcie_port_device_register(struct pci_dev *dev)
                        goto error_disable;
        }
 
+       /*
+        * Some platforms have dedicated interrupt line from root complex to
+        * interrupt controller for PCIe services like AER/PME etc., check
+        * if platform registered with any such IRQ.
+        */
+       if (pci_pcie_type(dev) == PCI_EXP_TYPE_ROOT_PORT)
+               pci_check_platform_service_irqs(dev, irqs, capabilities);
+
        /* Allocate child services if any */
        status = -ENODEV;
        nr_service = 0;
-- 
2.7.4

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