of/irq: Create of_irq_parse_and_map_pci() to consolidate arch code.

Several architectures open code effectively the same code block for
finding and mapping PCI irqs. This patch consolidates it down to a
single function.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
Acked-by: Michal Simek <monstr@monstr.eu>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 1 insertions, 13 deletions

diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c
index 3a8d01ec50f7..07ddb3a13c6e 100644
--- a/drivers/pci/host/pci-mvebu.c
+++ b/drivers/pci/host/pci-mvebu.c
@@ -645,18 +645,6 @@ static int __init mvebu_pcie_setup(int nr, struct pci_sys_data *sys)
         return 1;
 }
 
-static int __init mvebu_pcie_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
-{
-        struct of_phandle_args oirq;
-        int ret;
-
-        ret = of_irq_parse_pci(dev, &oirq);
-        if (ret)
-                return ret;
-
-        return irq_create_of_mapping(&oirq);
-}
-
 static struct pci_bus *mvebu_pcie_scan_bus(int nr, struct pci_sys_data *sys)
 {
         struct mvebu_pcie *pcie = sys_to_pcie(sys);
@@ -705,7 +693,7 @@ static void __init mvebu_pcie_enable(struct mvebu_pcie *pcie)
         hw.private_data   = (void **)&pcie;
         hw.setup          = mvebu_pcie_setup;
         hw.scan           = mvebu_pcie_scan_bus;
-        hw.map_irq        = mvebu_pcie_map_irq;
+        hw.map_irq        = of_irq_parse_and_map_pci;
         hw.ops            = &mvebu_pcie_ops;
         hw.align_resource = mvebu_pcie_align_resource;