PCI: Initialize dev->link_active_reporting earlier

Determine whether Data Link Layer Link Active Reporting is available before
calling any fixups so that the cached value can be used there and later on.

[bhelgaas: move to set_pcie_port_type() where other PCIe init is done]
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Maciej W. Rozycki <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>

Author: maciej-w-rozycki

drivers/pci/probe.c

@@ -820,7 +820,6 @@ static void pci_set_bus_speed(struct pci_bus *bus)
 
 		pcie_capability_read_dword(bridge, PCI_EXP_LNKCAP, &linkcap);
 		bus->max_bus_speed = pcie_link_speed[linkcap & PCI_EXP_LNKCAP_SLS];
-		bridge->link_active_reporting = !!(linkcap & PCI_EXP_LNKCAP_DLLLARC);
 
 		pcie_capability_read_word(bridge, PCI_EXP_LNKSTA, &linksta);
 		pcie_update_link_speed(bus, linksta);
@@ -1527,6 +1526,7 @@ void set_pcie_port_type(struct pci_dev *pdev)
 {
 	int pos;
 	u16 reg16;
+	u32 reg32;
 	int type;
 	struct pci_dev *parent;
 
@@ -1540,6 +1540,10 @@ void set_pcie_port_type(struct pci_dev *pdev)
 	pci_read_config_dword(pdev, pos + PCI_EXP_DEVCAP, &pdev->devcap);
 	pdev->pcie_mpss = FIELD_GET(PCI_EXP_DEVCAP_PAYLOAD, pdev->devcap);
 
+	pcie_capability_read_dword(pdev, PCI_EXP_LNKCAP, &reg32);
+	if (reg32 & PCI_EXP_LNKCAP_DLLLARC)
+		pdev->link_active_reporting = 1;
+
 	parent = pci_upstream_bridge(pdev);
 	if (!parent)
 		return;