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/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index eadc431..adeff2b 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -583,27 +583,7 @@
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
- struct of_phandle_args dev_irq;
- int err;
- int irq;
-
- err = of_irq_parse_pci(dev, &dev_irq);
- if (err) {
- pr_err("pci %s: unable to get irq map, err=%d\n",
- pci_name((struct pci_dev *) dev), err);
- return 0;
- }
-
- irq = irq_create_of_mapping(&dev_irq);
-
- if (irq == 0)
- pr_crit("pci %s: no irq found for pin %u\n",
- pci_name((struct pci_dev *) dev), pin);
- else
- pr_info("pci %s: using irq %d for pin %u\n",
- pci_name((struct pci_dev *) dev), irq, pin);
-
- return irq;
+ return of_irq_parse_and_map_pci(dev, slot, pin);
}
int pcibios_plat_dev_init(struct pci_dev *dev)
