From: Rob Herring <robh@kernel.org>
Date: Fri, 22 May 2020 17:48:23 -0600
Subject: PCI: tegra: Use pci_host_probe() to register host

Git-commit: 67047e8bc8aa4b4d57c5e2bd00d48ac7c8b8757b
Patch-mainline: v5.9-rc1
References: jsc#SLE-15847

The tegra host driver does the same host registration and bus scanning
calls as pci_host_probe, so let's use it instead.

Link: https://lore.kernel.org/r/20200522234832.954484-7-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>
Cc: linux-tegra@vger.kernel.org
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/pci/controller/pci-tegra.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/pci/controller/pci-tegra.c b/drivers/pci/controller/pci-tegra.c
index 235b456698fc..82fb36ed6f52 100644
--- a/drivers/pci/controller/pci-tegra.c
+++ b/drivers/pci/controller/pci-tegra.c
@@ -2670,7 +2670,6 @@ static int tegra_pcie_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct pci_host_bridge *host;
 	struct tegra_pcie *pcie;
-	struct pci_bus *child;
 	struct resource *bus;
 	int err;
 
@@ -2721,20 +2720,12 @@ static int tegra_pcie_probe(struct platform_device *pdev)
 	host->map_irq = tegra_pcie_map_irq;
 	host->swizzle_irq = pci_common_swizzle;
 
-	err = pci_scan_root_bus_bridge(host);
+	err = pci_host_probe(host);
 	if (err < 0) {
 		dev_err(dev, "failed to register host: %d\n", err);
 		goto pm_runtime_put;
 	}
 
-	pci_bus_size_bridges(host->bus);
-	pci_bus_assign_resources(host->bus);
-
-	list_for_each_entry(child, &host->bus->children, node)
-		pcie_bus_configure_settings(child);
-
-	pci_bus_add_devices(host->bus);
-
 	if (IS_ENABLED(CONFIG_DEBUG_FS)) {
 		err = tegra_pcie_debugfs_init(pcie);
 		if (err < 0)
-- 
2.26.2