From f5d3352b2751f8de7e06e23a04ac0b4c474075e9 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 16 Apr 2014 10:24:32 -0600 Subject: [PATCH] PCI: tegra: Use new OF interrupt mapping when possible Use new OF interrupt mapping (of_irq_parse_and_map_pci()) when possible. This is the recommended method of doing the IRQ mapping. For old devicetrees we fall back to the previous practice. This allows interrupts to be remapped across bridges. Tested-by: Stephen Warren Signed-off-by: Lucas Stach Signed-off-by: Bjorn Helgaas Acked-by: Arnd Bergmann --- drivers/pci/host/pci-tegra.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c index 330f7e3a32dd..083cf37ca047 100644 --- a/drivers/pci/host/pci-tegra.c +++ b/drivers/pci/host/pci-tegra.c @@ -639,10 +639,15 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys) static int tegra_pcie_map_irq(const struct pci_dev *pdev, u8 slot, u8 pin) { struct tegra_pcie *pcie = sys_to_pcie(pdev->bus->sysdata); + int irq; tegra_cpuidle_pcie_irqs_in_use(); - return pcie->irq; + irq = of_irq_parse_and_map_pci(pdev, slot, pin); + if (!irq) + irq = pcie->irq; + + return irq; } static void tegra_pcie_add_bus(struct pci_bus *bus)