Merge branch 'remotes/lorenzo/pci/tegra'

- Remove unused struct tegra_pcie_bus (Krzysztof Wilczyński)

* remotes/lorenzo/pci/tegra:
  PCI: tegra: make const array err_msg static
  PCI: tegra: Use 'seq_puts' instead of 'seq_printf'
  PCI: tegra: Fix OF node reference leak
  PCI: tegra: Remove unused struct tegra_pcie_bus

Author: bjorn-helgaas

drivers/pci/controller/pci-tegra.c

@@ -372,11 +372,6 @@ struct tegra_pcie_port {
 	struct gpio_desc *reset_gpio;
 };
 
-struct tegra_pcie_bus {
-	struct list_head list;
-	unsigned int nr;
-};
-
 static inline void afi_writel(struct tegra_pcie *pcie, u32 value,
 			      unsigned long offset)
 {
@@ -764,7 +759,7 @@ static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin)
 
 static irqreturn_t tegra_pcie_isr(int irq, void *arg)
 {
-	const char *err_msg[] = {
+	static const char * const err_msg[] = {
 		"Unknown",
 		"AXI slave error",
 		"AXI decode error",
@@ -2191,13 +2186,15 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		rp->np = port;
 
 		rp->base = devm_pci_remap_cfg_resource(dev, &rp->regs);
-		if (IS_ERR(rp->base))
-			return PTR_ERR(rp->base);
+		if (IS_ERR(rp->base)) {
+			err = PTR_ERR(rp->base);
+			goto err_node_put;
+		}
 
 		label = devm_kasprintf(dev, GFP_KERNEL, "pex-reset-%u", index);
 		if (!label) {
-			dev_err(dev, "failed to create reset GPIO label\n");
-			return -ENOMEM;
+			err = -ENOMEM;
+			goto err_node_put;
 		}
 
 		/*
@@ -2215,7 +2212,8 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 			} else {
 				dev_err(dev, "failed to get reset GPIO: %ld\n",
 					PTR_ERR(rp->reset_gpio));
-				return PTR_ERR(rp->reset_gpio);
+				err = PTR_ERR(rp->reset_gpio);
+				goto err_node_put;
 			}
 		}
 
@@ -2546,7 +2544,7 @@ static void *tegra_pcie_ports_seq_start(struct seq_file *s, loff_t *pos)
 	if (list_empty(&pcie->ports))
 		return NULL;
 
-	seq_printf(s, "Index  Status\n");
+	seq_puts(s, "Index  Status\n");
 
 	return seq_list_start(&pcie->ports, *pos);
 }
@@ -2583,16 +2581,16 @@ static int tegra_pcie_ports_seq_show(struct seq_file *s, void *v)
 	seq_printf(s, "%2u     ", port->index);
 
 	if (up)
-		seq_printf(s, "up");
+		seq_puts(s, "up");
 
 	if (active) {
 		if (up)
-			seq_printf(s, ", ");
+			seq_puts(s, ", ");
 
-		seq_printf(s, "active");
+		seq_puts(s, "active");
 	}
 
-	seq_printf(s, "\n");
+	seq_puts(s, "\n");
 	return 0;
 }