PCI: tegra: Use of_device_get_match_data()

of_device_get_match_data() was added in v4.2 to reduce the the boilerplate
required to get at SoC-specific data.  Use it to simplify the code
slightly.

[bhelgaas: changelog]
Signed-off-by: NThierry Reding <treding@nvidia.com>
Signed-off-by: NBjorn Helgaas <bhelgaas@google.com>

drivers/pci/host/pci-tegra.c

@@ -2201,21 +2201,16 @@ static int tegra_pcie_debugfs_init(struct tegra_pcie *pcie)
 
 static int tegra_pcie_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct tegra_pcie *pcie;
 	int err;
 
-	match = of_match_device(tegra_pcie_of_match, &pdev->dev);
-	if (!match)
-		return -ENODEV;
-
 	pcie = devm_kzalloc(&pdev->dev, sizeof(*pcie), GFP_KERNEL);
 	if (!pcie)
 		return -ENOMEM;
 
+	pcie->soc = of_device_get_match_data(&pdev->dev);
 	INIT_LIST_HEAD(&pcie->buses);
 	INIT_LIST_HEAD(&pcie->ports);
-	pcie->soc = match->data;
 	pcie->dev = &pdev->dev;
 
 	err = tegra_pcie_parse_dt(pcie);