1 files changed, 35 insertions, 5 deletions

diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 0fb0fdb223d5..7be31f58a4e6 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -253,6 +253,7 @@ struct tegra_pcie {
 	struct list_head buses;
 	struct resource *cs;
 
+	struct resource all;
 	struct resource io;
 	struct resource mem;
 	struct resource prefetch;
@@ -626,6 +627,15 @@ DECLARE_PCI_FIXUP_FINAL(PCI_ANY_ID, PCI_ANY_ID, tegra_pcie_relax_enable);
 static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
 {
 	struct tegra_pcie *pcie = sys_to_pcie(sys);
+	int err;
+
+	err = devm_request_resource(pcie->dev, &pcie->all, &pcie->mem);
+	if (err < 0)
+		return err;
+
+	err = devm_request_resource(pcie->dev, &pcie->all, &pcie->prefetch);
+	if (err)
+		return err;
 
 	pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
 	pci_add_resource_offset(&sys->resources, &pcie->prefetch,
@@ -1170,8 +1180,10 @@ static int tegra_msi_setup_irq(struct msi_chip *chip, struct pci_dev *pdev,
 		return hwirq;
 
 	irq = irq_create_mapping(msi->domain, hwirq);
-	if (!irq)
+	if (!irq) {
+		tegra_msi_free(msi, hwirq);
 		return -EINVAL;
+	}
 
 	irq_set_msi_desc(irq, desc);
 
@@ -1189,8 +1201,10 @@ static void tegra_msi_teardown_irq(struct msi_chip *chip, unsigned int irq)
 {
 	struct tegra_msi *msi = to_tegra_msi(chip);
 	struct irq_data *d = irq_get_irq_data(irq);
+	irq_hw_number_t hwirq = irqd_to_hwirq(d);
 
-	tegra_msi_free(msi, d->hwirq);
+	irq_dispose_mapping(irq);
+	tegra_msi_free(msi, hwirq);
 }
 
 static struct irq_chip tegra_msi_irq_chip = {
@@ -1514,6 +1528,12 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 	struct resource res;
 	int err;
 
+	memset(&pcie->all, 0, sizeof(pcie->all));
+	pcie->all.flags = IORESOURCE_MEM;
+	pcie->all.name = np->full_name;
+	pcie->all.start = ~0;
+	pcie->all.end = 0;
+
 	if (of_pci_range_parser_init(&parser, np)) {
 		dev_err(pcie->dev, "missing \"ranges\" property\n");
 		return -EINVAL;
@@ -1525,21 +1545,31 @@ static int tegra_pcie_parse_dt(struct tegra_pcie *pcie)
 		switch (res.flags & IORESOURCE_TYPE_BITS) {
 		case IORESOURCE_IO:
 			memcpy(&pcie->io, &res, sizeof(res));
-			pcie->io.name = "I/O";
+			pcie->io.name = np->full_name;
 			break;
 
 		case IORESOURCE_MEM:
 			if (res.flags & IORESOURCE_PREFETCH) {
 				memcpy(&pcie->prefetch, &res, sizeof(res));
-				pcie->prefetch.name = "PREFETCH";
+				pcie->prefetch.name = "prefetchable";
 			} else {
 				memcpy(&pcie->mem, &res, sizeof(res));
-				pcie->mem.name = "MEM";
+				pcie->mem.name = "non-prefetchable";
 			}
 			break;
 		}
+
+		if (res.start <= pcie->all.start)
+			pcie->all.start = res.start;
+
+		if (res.end >= pcie->all.end)
+			pcie->all.end = res.end;
 	}
 
+	err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->all);
+	if (err < 0)
+		return err;
+
 	err = of_pci_parse_bus_range(np, &pcie->busn);
 	if (err < 0) {
 		dev_err(pcie->dev, "failed to parse ranges property: %d\n",