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.com
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

diff --git a/drivers/pci/controller/pcie-iproc.c b/drivers/pci/controller/pcie-iproc.c
index cc5b782..8ef2d1f 100644 (file)
--- a/drivers/pci/controller/pcie-iproc.c
+++ b/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: