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>
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index bb3aeb3..a87e510 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -835,21 +835,6 @@
#ifdef CONFIG_OF
-static int __init pci_v3_map_irq_dt(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) {
- dev_err(&dev->dev, "of_irq_parse_pci() %d\n", ret);
- /* Proper return code 0 == NO_IRQ */
- return 0;
- }
-
- return irq_create_of_mapping(&oirq);
-}
-
static int __init pci_v3_dtprobe(struct platform_device *pdev,
struct device_node *np)
{
@@ -918,7 +903,7 @@
return -EINVAL;
}
- pci_v3.map_irq = pci_v3_map_irq_dt;
+ pci_v3.map_irq = of_irq_parse_and_map_pci;
pci_common_init_dev(&pdev->dev, &pci_v3);
return 0;