PCI: iproc: Enhance PCIe Link information display

Add logging code so that after successful linkup more comprehensive
information about PCIe link speed and link width will be displayed to
the console.

Link: https://lore.kernel.org/r/20201001060054.6616-4-srinath.mannam@broadcom.comSigned-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

drivers/pci/controller/pcie-iproc.c

@@ -1479,6 +1479,7 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
 {
 	struct device *dev;
 	int ret;
+	struct pci_dev *pdev;
 	struct pci_host_bridge *host = pci_host_bridge_from_priv(pcie);
 
 	dev = pcie->dev;
@@ -1542,6 +1543,11 @@ int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res)
 		goto err_power_off_phy;
 	}
 
+	for_each_pci_bridge(pdev, host->bus) {
+		if (pci_pcie_type(pdev) == PCI_EXP_TYPE_ROOT_PORT)
+			pcie_print_link_status(pdev);
+	}
+
 	return 0;
 
 err_power_off_phy: